From 831d13bc42f998538a247b4082a992d3af45aa3d Mon Sep 17 00:00:00 2001
From: Brian Paul <brian.paul@tungstengraphics.com>
Date: Sun, 5 Nov 2006 15:30:41 +0000
Subject: reindent

---
 src/mesa/shader/slang/slang_assemble.c    | 2479 +++++++++++++++--------------
 src/mesa/shader/slang/slang_execute_x86.c | 1114 ++++++-------
 2 files changed, 1822 insertions(+), 1771 deletions(-)

(limited to 'src/mesa')

diff --git a/src/mesa/shader/slang/slang_assemble.c b/src/mesa/shader/slang/slang_assemble.c
index 36fb2305f6..603fd4f7f8 100644
--- a/src/mesa/shader/slang/slang_assemble.c
+++ b/src/mesa/shader/slang/slang_assemble.c
@@ -35,13 +35,15 @@
 
 /* slang_assembly */
 
-static GLboolean slang_assembly_construct (slang_assembly *assem)
+static GLboolean
+slang_assembly_construct(slang_assembly * assem)
 {
-	assem->type = slang_asm_none;
-	return GL_TRUE;
+   assem->type = slang_asm_none;
+   return GL_TRUE;
 }
 
-static GLvoid slang_assembly_destruct (slang_assembly *assem)
+static GLvoid
+slang_assembly_destruct(slang_assembly * assem)
 {
 }
 
@@ -50,80 +52,89 @@ static GLvoid slang_assembly_destruct (slang_assembly *assem)
  */
 
 GLvoid
-_slang_assembly_file_ctr (slang_assembly_file *self)
+_slang_assembly_file_ctr(slang_assembly_file * self)
 {
    self->code = NULL;
    self->count = 0;
    self->capacity = 0;
 }
 
-GLvoid slang_assembly_file_destruct (slang_assembly_file *file)
+GLvoid
+slang_assembly_file_destruct(slang_assembly_file * file)
 {
-	GLuint i;
+   GLuint i;
 
-	for (i = 0; i < file->count; i++)
-		slang_assembly_destruct (&file->code[i]);
-	slang_alloc_free (file->code);
+   for (i = 0; i < file->count; i++)
+      slang_assembly_destruct(&file->code[i]);
+   slang_alloc_free(file->code);
 }
 
-static GLboolean push_new (slang_assembly_file *file)
+static GLboolean
+push_new(slang_assembly_file * file)
 {
-	if (file->count == file->capacity)
-	{
-		GLuint n;
-
-		if (file->capacity == 0)
-			n = 256;
-		else
-			n = file->capacity * 2;
-		file->code = (slang_assembly *) slang_alloc_realloc (file->code,
-			file->capacity * sizeof (slang_assembly), n * sizeof (slang_assembly));
-		if (file->code == NULL)
-			return GL_FALSE;
-		file->capacity = n;
-	}
-	if (!slang_assembly_construct (&file->code[file->count]))
-		return GL_FALSE;
-	file->count++;
-	return GL_TRUE;
+   if (file->count == file->capacity) {
+      GLuint n;
+
+      if (file->capacity == 0)
+         n = 256;
+      else
+         n = file->capacity * 2;
+      file->code = (slang_assembly *)
+         slang_alloc_realloc(file->code,
+                             file->capacity * sizeof(slang_assembly),
+                             n * sizeof(slang_assembly));
+      if (file->code == NULL)
+         return GL_FALSE;
+      file->capacity = n;
+   }
+   if (!slang_assembly_construct(&file->code[file->count]))
+      return GL_FALSE;
+   file->count++;
+   return GL_TRUE;
 }
 
-static GLboolean push_gen (slang_assembly_file *file, slang_assembly_type type, GLfloat literal,
-	GLuint label, GLuint size)
+static GLboolean
+push_gen(slang_assembly_file * file, slang_assembly_type type,
+         GLfloat literal, GLuint label, GLuint size)
 {
-	slang_assembly *assem;
-
-	if (!push_new (file))
-		return GL_FALSE;
-	assem = &file->code[file->count - 1];
-	assem->type = type;
-	assem->literal = literal;
-	assem->param[0] = label;
-	assem->param[1] = size;
-	return GL_TRUE;
+   slang_assembly *assem;
+
+   if (!push_new(file))
+      return GL_FALSE;
+   assem = &file->code[file->count - 1];
+   assem->type = type;
+   assem->literal = literal;
+   assem->param[0] = label;
+   assem->param[1] = size;
+   return GL_TRUE;
 }
 
-GLboolean slang_assembly_file_push (slang_assembly_file *file, slang_assembly_type type)
+GLboolean
+slang_assembly_file_push(slang_assembly_file * file, slang_assembly_type type)
 {
-	return push_gen (file, type, (GLfloat) 0, 0, 0);
+   return push_gen(file, type, (GLfloat) 0, 0, 0);
 }
 
-GLboolean slang_assembly_file_push_label (slang_assembly_file *file, slang_assembly_type type,
-	GLuint label)
+GLboolean
+slang_assembly_file_push_label(slang_assembly_file * file,
+                               slang_assembly_type type, GLuint label)
 {
-	return push_gen (file, type, (GLfloat) 0, label, 0);
+   return push_gen(file, type, (GLfloat) 0, label, 0);
 }
 
-GLboolean slang_assembly_file_push_label2 (slang_assembly_file *file, slang_assembly_type type,
-	GLuint label1, GLuint label2)
+GLboolean
+slang_assembly_file_push_label2(slang_assembly_file * file,
+                                slang_assembly_type type, GLuint label1,
+                                GLuint label2)
 {
-	return push_gen (file, type, (GLfloat) 0, label1, label2);
+   return push_gen(file, type, (GLfloat) 0, label1, label2);
 }
 
-GLboolean slang_assembly_file_push_literal (slang_assembly_file *file, slang_assembly_type type,
-	GLfloat literal)
+GLboolean
+slang_assembly_file_push_literal(slang_assembly_file * file,
+                                 slang_assembly_type type, GLfloat literal)
 {
-	return push_gen (file, type, literal, 0, 0);
+   return push_gen(file, type, literal, 0, 0);
 }
 
 #define PUSH slang_assembly_file_push
@@ -133,284 +144,302 @@ GLboolean slang_assembly_file_push_literal (slang_assembly_file *file, slang_ass
 
 /* slang_assembly_file_restore_point */
 
-GLboolean slang_assembly_file_restore_point_save (slang_assembly_file *file,
-	slang_assembly_file_restore_point *point)
+GLboolean
+slang_assembly_file_restore_point_save(slang_assembly_file * file,
+                                       slang_assembly_file_restore_point *
+                                       point)
 {
-	point->count = file->count;
-	return GL_TRUE;
+   point->count = file->count;
+   return GL_TRUE;
 }
 
-GLboolean slang_assembly_file_restore_point_load (slang_assembly_file *file,
-	slang_assembly_file_restore_point *point)
+GLboolean
+slang_assembly_file_restore_point_load(slang_assembly_file * file,
+                                       slang_assembly_file_restore_point *
+                                       point)
 {
-	GLuint i;
+   GLuint i;
 
-	for (i = point->count; i < file->count; i++)
-		slang_assembly_destruct (&file->code[i]);
-	file->count = point->count;
-	return GL_TRUE;
+   for (i = point->count; i < file->count; i++)
+      slang_assembly_destruct(&file->code[i]);
+   file->count = point->count;
+   return GL_TRUE;
 }
 
 /* utility functions */
 
-static GLboolean sizeof_variable (slang_assemble_ctx *A, slang_type_specifier *spec,
-	slang_type_qualifier qual, GLuint array_len, GLuint *size)
+static GLboolean
+sizeof_variable(slang_assemble_ctx * A, slang_type_specifier * spec,
+                slang_type_qualifier qual, GLuint array_len, GLuint * size)
 {
-	slang_storage_aggregate agg;
-
-	/* calculate the size of the variable's aggregate */
-	if (!slang_storage_aggregate_construct (&agg))
-		return GL_FALSE;
-	if (!_slang_aggregate_variable (&agg, spec, array_len, A->space.funcs, A->space.structs,
-			A->space.vars, A->mach, A->file, A->atoms))
-	{
-		slang_storage_aggregate_destruct (&agg);
-		return GL_FALSE;
-	}
-	*size += _slang_sizeof_aggregate (&agg);
-	slang_storage_aggregate_destruct (&agg);
-
-	/* for reference variables consider the additional address overhead */
-	if (qual == slang_qual_out || qual == slang_qual_inout)
-		*size += 4;
-
-	return GL_TRUE;
+   slang_storage_aggregate agg;
+
+   /* calculate the size of the variable's aggregate */
+   if (!slang_storage_aggregate_construct(&agg))
+      return GL_FALSE;
+   if (!_slang_aggregate_variable
+       (&agg, spec, array_len, A->space.funcs, A->space.structs,
+        A->space.vars, A->mach, A->file, A->atoms)) {
+      slang_storage_aggregate_destruct(&agg);
+      return GL_FALSE;
+   }
+   *size += _slang_sizeof_aggregate(&agg);
+   slang_storage_aggregate_destruct(&agg);
+
+   /* for reference variables consider the additional address overhead */
+   if (qual == slang_qual_out || qual == slang_qual_inout)
+      *size += 4;
+
+   return GL_TRUE;
 }
 
-static GLboolean sizeof_variable2 (slang_assemble_ctx *A, slang_variable *var, GLuint *size)
+static GLboolean
+sizeof_variable2(slang_assemble_ctx * A, slang_variable * var, GLuint * size)
 {
-	var->address = *size;
-	if (var->type.qualifier == slang_qual_out || var->type.qualifier == slang_qual_inout)
-		var->address += 4;
-	return sizeof_variable (A, &var->type.specifier, var->type.qualifier, var->array_len, size);
+   var->address = *size;
+   if (var->type.qualifier == slang_qual_out
+       || var->type.qualifier == slang_qual_inout)
+      var->address += 4;
+   return sizeof_variable(A, &var->type.specifier, var->type.qualifier,
+                          var->array_len, size);
 }
 
-static GLboolean sizeof_variables (slang_assemble_ctx *A, slang_variable_scope *vars, GLuint start,
-	GLuint stop, GLuint *size)
+static GLboolean
+sizeof_variables(slang_assemble_ctx * A, slang_variable_scope * vars,
+                 GLuint start, GLuint stop, GLuint * size)
 {
-	GLuint i;
+   GLuint i;
 
-	for (i = start; i < stop; i++)
-		if (!sizeof_variable2 (A, &vars->variables[i], size))
-			return GL_FALSE;
-	return GL_TRUE;
+   for (i = start; i < stop; i++)
+      if (!sizeof_variable2(A, &vars->variables[i], size))
+         return GL_FALSE;
+   return GL_TRUE;
 }
 
-static GLboolean collect_locals (slang_assemble_ctx *A, slang_operation *op, GLuint *size)
+static GLboolean
+collect_locals(slang_assemble_ctx * A, slang_operation * op, GLuint * size)
 {
-	GLuint i;
-
-	if (!sizeof_variables (A, op->locals, 0, op->locals->num_variables, size))
-		return GL_FALSE;
-	for (i = 0; i < op->num_children; i++)
-		if (!collect_locals (A, &op->children[i], size))
-			return GL_FALSE;
-	return GL_TRUE;
+   GLuint i;
+
+   if (!sizeof_variables(A, op->locals, 0, op->locals->num_variables, size))
+      return GL_FALSE;
+   for (i = 0; i < op->num_children; i++)
+      if (!collect_locals(A, &op->children[i], size))
+         return GL_FALSE;
+   return GL_TRUE;
 }
 
 /* _slang_locate_function() */
 
-slang_function *_slang_locate_function (slang_function_scope *funcs, slang_atom a_name,
-	slang_operation *params, GLuint num_params, slang_assembly_name_space *space,
-	slang_atom_pool *atoms)
+slang_function *
+_slang_locate_function(slang_function_scope * funcs, slang_atom a_name,
+                       slang_operation * params, GLuint num_params,
+                       slang_assembly_name_space * space,
+                       slang_atom_pool * atoms)
 {
-	GLuint i;
-
-	for (i = 0; i < funcs->num_functions; i++)
-	{
-		GLuint j;
-		slang_function *f = &funcs->functions[i];
-
-		if (a_name != f->header.a_name)
-			continue;
-		if (f->param_count != num_params)
-			continue;
-		for (j = 0; j < num_params; j++)
-		{
-			slang_assembly_typeinfo ti;
-
-			if (!slang_assembly_typeinfo_construct (&ti))
-				return NULL;
-			if (!_slang_typeof_operation_ (&params[j], space, &ti, atoms))
-			{
-				slang_assembly_typeinfo_destruct (&ti);
-				return NULL;
-			}
-			if (!slang_type_specifier_equal (&ti.spec, &f->parameters->variables[j].type.specifier))
-			{
-				slang_assembly_typeinfo_destruct (&ti);
-				break;
-			}
-			slang_assembly_typeinfo_destruct (&ti);
-
-			/* "out" and "inout" formal parameter requires the actual parameter to be l-value */
-			if (!ti.can_be_referenced &&
-					(f->parameters->variables[j].type.qualifier == slang_qual_out ||
-					f->parameters->variables[j].type.qualifier == slang_qual_inout))
-				break;
-		}
-		if (j == num_params)
-			return f;
-	}
-	if (funcs->outer_scope != NULL)
-		return _slang_locate_function (funcs->outer_scope, a_name, params, num_params, space, atoms);
-	return NULL;
+   GLuint i;
+
+   for (i = 0; i < funcs->num_functions; i++) {
+      GLuint j;
+      slang_function *f = &funcs->functions[i];
+
+      if (a_name != f->header.a_name)
+         continue;
+      if (f->param_count != num_params)
+         continue;
+      for (j = 0; j < num_params; j++) {
+         slang_assembly_typeinfo ti;
+
+         if (!slang_assembly_typeinfo_construct(&ti))
+            return NULL;
+         if (!_slang_typeof_operation_(&params[j], space, &ti, atoms)) {
+            slang_assembly_typeinfo_destruct(&ti);
+            return NULL;
+         }
+         if (!slang_type_specifier_equal
+             (&ti.spec, &f->parameters->variables[j].type.specifier)) {
+            slang_assembly_typeinfo_destruct(&ti);
+            break;
+         }
+         slang_assembly_typeinfo_destruct(&ti);
+
+         /* "out" and "inout" formal parameter requires the actual parameter to be l-value */
+         if (!ti.can_be_referenced &&
+             (f->parameters->variables[j].type.qualifier == slang_qual_out ||
+              f->parameters->variables[j].type.qualifier == slang_qual_inout))
+            break;
+      }
+      if (j == num_params)
+         return f;
+   }
+   if (funcs->outer_scope != NULL)
+      return _slang_locate_function(funcs->outer_scope, a_name, params,
+                                    num_params, space, atoms);
+   return NULL;
 }
 
 /* _slang_assemble_function() */
 
-GLboolean _slang_assemble_function (slang_assemble_ctx *A, slang_function *fun)
+GLboolean
+_slang_assemble_function(slang_assemble_ctx * A, slang_function * fun)
 {
-	GLuint param_size, local_size;
-	GLuint skip, cleanup;
-
-	fun->address = A->file->count;
-
-	if (fun->body == NULL)
-	{
-		/* jump to the actual function body - we do not know it, so add the instruction
-		 * to fixup table */
-		fun->fixups.table = (GLuint *) slang_alloc_realloc (fun->fixups.table,
-			fun->fixups.count * sizeof (GLuint), (fun->fixups.count + 1) * sizeof (GLuint));
-		if (fun->fixups.table == NULL)
-			return GL_FALSE;
-		fun->fixups.table[fun->fixups.count] = fun->address;
-		fun->fixups.count++;
-		if (!PUSH (A->file, slang_asm_jump))
-			return GL_FALSE;
-		return GL_TRUE;
-	}
-	else
-	{
-		GLuint i;
-
-		/* resolve all fixup table entries and delete it */
-		for (i = 0; i < fun->fixups.count; i++)
-			A->file->code[fun->fixups.table[i]].param[0] = fun->address;
-		slang_fixup_table_free (&fun->fixups);
-	}
-
-	/* At this point traverse function formal parameters and code to calculate
-	 * total memory size to be allocated on the stack.
-	 * During this process the variables will be assigned local addresses to
-	 * reference them in the code.
-	 * No storage optimizations are performed so exclusive scopes are not detected and shared. */
-
-	/* calculate return value size */
-	param_size = 0;
-	if (fun->header.type.specifier.type != slang_spec_void)
-		if (!sizeof_variable (A, &fun->header.type.specifier, slang_qual_none, 0, &param_size))
-			return GL_FALSE;
-	A->local.ret_size = param_size;
-
-	/* calculate formal parameter list size */
-	if (!sizeof_variables (A, fun->parameters, 0, fun->param_count, &param_size))
-		return GL_FALSE;
-
-	/* calculate local variables size - take into account the four-byte return address and
-	 * temporaries for various tasks (4 for addr and 16 for swizzle temporaries).
-	 * these include variables from the formal parameter scope and from the code */
-	A->local.addr_tmp = param_size + 4;
-	A->local.swizzle_tmp = param_size + 4 + 4;
-	local_size = param_size + 4 + 4 + 16;
-	if (!sizeof_variables (A, fun->parameters, fun->param_count, fun->parameters->num_variables,
-			&local_size))
-		return GL_FALSE;
-	if (!collect_locals (A, fun->body, &local_size))
-		return GL_FALSE;
-
-	/* allocate local variable storage */
-	if (!PLAB (A->file, slang_asm_local_alloc, local_size - param_size - 4))
-		return GL_FALSE;
-
-	/* mark a new frame for function variable storage */
-	if (!PLAB (A->file, slang_asm_enter, local_size))
-		return GL_FALSE;
-
-	/* jump directly to the actual code */
-	skip = A->file->count;
-	if (!push_new (A->file))
-		return GL_FALSE;
-	A->file->code[skip].type = slang_asm_jump;
-
-	/* all "return" statements will be directed here */
-	A->flow.function_end = A->file->count;
-	cleanup = A->file->count;
-	if (!push_new (A->file))
-		return GL_FALSE;
-	A->file->code[cleanup].type = slang_asm_jump;
-
-	/* execute the function body */
-	A->file->code[skip].param[0] = A->file->count;
-	if (!_slang_assemble_operation (A, fun->body, /*slang_ref_freelance*/slang_ref_forbid))
-		return GL_FALSE;
-
-	/* this is the end of the function - restore the old function frame */
-	A->file->code[cleanup].param[0] = A->file->count;
-	if (!PUSH (A->file, slang_asm_leave))
-		return GL_FALSE;
-
-	/* free local variable storage */
-	if (!PLAB (A->file, slang_asm_local_free, local_size - param_size - 4))
-		return GL_FALSE;
-
-	/* return from the function */
-	if (!PUSH (A->file, slang_asm_return))
-		return GL_FALSE;
-
-	return GL_TRUE;
+   GLuint param_size, local_size;
+   GLuint skip, cleanup;
+
+   fun->address = A->file->count;
+
+   if (fun->body == NULL) {
+      /* jump to the actual function body - we do not know it, so add the instruction
+       * to fixup table */
+      fun->fixups.table = (GLuint *)
+         slang_alloc_realloc(fun->fixups.table,
+                             fun->fixups.count * sizeof(GLuint),
+                             (fun->fixups.count + 1) * sizeof(GLuint));
+      if (fun->fixups.table == NULL)
+         return GL_FALSE;
+      fun->fixups.table[fun->fixups.count] = fun->address;
+      fun->fixups.count++;
+      if (!PUSH(A->file, slang_asm_jump))
+         return GL_FALSE;
+      return GL_TRUE;
+   }
+   else {
+      GLuint i;
+
+      /* resolve all fixup table entries and delete it */
+      for (i = 0; i < fun->fixups.count; i++)
+         A->file->code[fun->fixups.table[i]].param[0] = fun->address;
+      slang_fixup_table_free(&fun->fixups);
+   }
+
+   /* At this point traverse function formal parameters and code to calculate
+    * total memory size to be allocated on the stack.
+    * During this process the variables will be assigned local addresses to
+    * reference them in the code.
+    * No storage optimizations are performed so exclusive scopes are not
+    * detected and shared.
+    */
+
+   /* calculate return value size */
+   param_size = 0;
+   if (fun->header.type.specifier.type != slang_spec_void)
+      if (!sizeof_variable
+          (A, &fun->header.type.specifier, slang_qual_none, 0, &param_size))
+         return GL_FALSE;
+   A->local.ret_size = param_size;
+
+   /* calculate formal parameter list size */
+   if (!sizeof_variables
+       (A, fun->parameters, 0, fun->param_count, &param_size))
+      return GL_FALSE;
+
+   /* calculate local variables size - take into account the four-byte
+    * return address and temporaries for various tasks (4 for addr and
+    * 16 for swizzle temporaries).  these include variables from the
+    * formal parameter scope and from the code
+    */
+   A->local.addr_tmp = param_size + 4;
+   A->local.swizzle_tmp = param_size + 4 + 4;
+   local_size = param_size + 4 + 4 + 16;
+   if (!sizeof_variables
+       (A, fun->parameters, fun->param_count, fun->parameters->num_variables,
+        &local_size))
+      return GL_FALSE;
+   if (!collect_locals(A, fun->body, &local_size))
+      return GL_FALSE;
+
+   /* allocate local variable storage */
+   if (!PLAB(A->file, slang_asm_local_alloc, local_size - param_size - 4))
+      return GL_FALSE;
+
+   /* mark a new frame for function variable storage */
+   if (!PLAB(A->file, slang_asm_enter, local_size))
+      return GL_FALSE;
+
+   /* jump directly to the actual code */
+   skip = A->file->count;
+   if (!push_new(A->file))
+      return GL_FALSE;
+   A->file->code[skip].type = slang_asm_jump;
+
+   /* all "return" statements will be directed here */
+   A->flow.function_end = A->file->count;
+   cleanup = A->file->count;
+   if (!push_new(A->file))
+      return GL_FALSE;
+   A->file->code[cleanup].type = slang_asm_jump;
+
+   /* execute the function body */
+   A->file->code[skip].param[0] = A->file->count;
+   if (!_slang_assemble_operation
+       (A, fun->body, /*slang_ref_freelance */ slang_ref_forbid))
+      return GL_FALSE;
+
+   /* this is the end of the function - restore the old function frame */
+   A->file->code[cleanup].param[0] = A->file->count;
+   if (!PUSH(A->file, slang_asm_leave))
+      return GL_FALSE;
+
+   /* free local variable storage */
+   if (!PLAB(A->file, slang_asm_local_free, local_size - param_size - 4))
+      return GL_FALSE;
+
+   /* return from the function */
+   if (!PUSH(A->file, slang_asm_return))
+      return GL_FALSE;
+
+   return GL_TRUE;
 }
 
-GLboolean _slang_cleanup_stack (slang_assemble_ctx *A, slang_operation *op)
+GLboolean
+_slang_cleanup_stack(slang_assemble_ctx * A, slang_operation * op)
 {
-	slang_assembly_typeinfo ti;
-	GLuint size = 0;
-
-	/* get type info of the operation and calculate its size */
-	if (!slang_assembly_typeinfo_construct (&ti))
-		return GL_FALSE;
-	if (!_slang_typeof_operation (A, op, &ti))
-	{
-		slang_assembly_typeinfo_destruct (&ti);
-		return GL_FALSE;
-	}
-	if (ti.spec.type != slang_spec_void) {
-		if (A->ref == slang_ref_force) {
-			size = 4;
-		}
-		else if (!sizeof_variable (A, &ti.spec, slang_qual_none, 0, &size))
-		{
-			slang_assembly_typeinfo_destruct (&ti);
-			return GL_FALSE;
-		}
-	}
-	slang_assembly_typeinfo_destruct (&ti);
-
-	/* if nonzero, free it from the stack */
-	if (size != 0)
-	{
-		if (!PLAB (A->file, slang_asm_local_free, size))
-			return GL_FALSE;
-	}
-
-	return GL_TRUE;
+   slang_assembly_typeinfo ti;
+   GLuint size = 0;
+
+   /* get type info of the operation and calculate its size */
+   if (!slang_assembly_typeinfo_construct(&ti))
+      return GL_FALSE;
+   if (!_slang_typeof_operation(A, op, &ti)) {
+      slang_assembly_typeinfo_destruct(&ti);
+      return GL_FALSE;
+   }
+   if (ti.spec.type != slang_spec_void) {
+      if (A->ref == slang_ref_force) {
+         size = 4;
+      }
+      else if (!sizeof_variable(A, &ti.spec, slang_qual_none, 0, &size)) {
+         slang_assembly_typeinfo_destruct(&ti);
+         return GL_FALSE;
+      }
+   }
+   slang_assembly_typeinfo_destruct(&ti);
+
+   /* if nonzero, free it from the stack */
+   if (size != 0) {
+      if (!PLAB(A->file, slang_asm_local_free, size))
+         return GL_FALSE;
+   }
+
+   return GL_TRUE;
 }
 
 /* _slang_assemble_operation() */
 
 static GLboolean
-dereference_basic (slang_assemble_ctx *A, slang_storage_type type, GLuint *size, slang_swizzle *swz,
-                   GLboolean is_swizzled)
+dereference_basic(slang_assemble_ctx * A, slang_storage_type type,
+                  GLuint * size, slang_swizzle * swz, GLboolean is_swizzled)
 {
    GLuint src_offset;
    slang_assembly_type ty;
 
-   *size -= _slang_sizeof_type (type);
+   *size -= _slang_sizeof_type(type);
 
-   /* If swizzling is taking place, we are forced to use scalar operations, even if we have
-    * vec4 instructions enabled (this should be actually done with special vec4 shuffle
-    * instructions).
-    * Adjust the size and calculate the offset within source variable to read.
+   /* If swizzling is taking place, we are forced to use scalar
+    * operations, even if we have vec4 instructions enabled (this
+    * should be actually done with special vec4 shuffle instructions).
+    * Adjust the size and calculate the offset within source variable
+    * to read.
     */
    if (is_swizzled)
       src_offset = swz->swizzle[*size / 4] * 4;
@@ -418,14 +447,14 @@ dereference_basic (slang_assemble_ctx *A, slang_storage_type type, GLuint *size,
       src_offset = *size;
 
    /* dereference data slot of a basic type */
-   if (!PLAB2 (A->file, slang_asm_local_addr, A->local.addr_tmp, 4))
+   if (!PLAB2(A->file, slang_asm_local_addr, A->local.addr_tmp, 4))
       return GL_FALSE;
-   if (!PUSH (A->file, slang_asm_addr_deref))
+   if (!PUSH(A->file, slang_asm_addr_deref))
       return GL_FALSE;
    if (src_offset != 0) {
-      if (!PLAB (A->file, slang_asm_addr_push, src_offset))
+      if (!PLAB(A->file, slang_asm_addr_push, src_offset))
          return GL_FALSE;
-      if (!PUSH (A->file, slang_asm_addr_add))
+      if (!PUSH(A->file, slang_asm_addr_add))
          return GL_FALSE;
    }
 
@@ -449,12 +478,13 @@ dereference_basic (slang_assemble_ctx *A, slang_storage_type type, GLuint *size,
       ty = slang_asm_none;
    }
 
-   return PUSH (A->file, ty);
+   return PUSH(A->file, ty);
 }
 
 static GLboolean
-dereference_aggregate (slang_assemble_ctx *A, const slang_storage_aggregate *agg, GLuint *size,
-                       slang_swizzle *swz, GLboolean is_swizzled)
+dereference_aggregate(slang_assemble_ctx * A,
+                      const slang_storage_aggregate * agg, GLuint * size,
+                      slang_swizzle * swz, GLboolean is_swizzled)
 {
    GLuint i;
 
@@ -464,22 +494,27 @@ dereference_aggregate (slang_assemble_ctx *A, const slang_storage_aggregate *agg
 
       for (j = arr->length; j > 0; j--) {
          if (arr->type == slang_stor_aggregate) {
-            if (!dereference_aggregate (A, arr->aggregate, size, swz, is_swizzled))
+            if (!dereference_aggregate
+                (A, arr->aggregate, size, swz, is_swizzled))
                return GL_FALSE;
          }
          else {
             if (is_swizzled && arr->type == slang_stor_vec4) {
-               if (!dereference_basic (A, slang_stor_float, size, swz, is_swizzled))
+               if (!dereference_basic
+                   (A, slang_stor_float, size, swz, is_swizzled))
                   return GL_FALSE;
-               if (!dereference_basic (A, slang_stor_float, size, swz, is_swizzled))
+               if (!dereference_basic
+                   (A, slang_stor_float, size, swz, is_swizzled))
                   return GL_FALSE;
-               if (!dereference_basic (A, slang_stor_float, size, swz, is_swizzled))
+               if (!dereference_basic
+                   (A, slang_stor_float, size, swz, is_swizzled))
                   return GL_FALSE;
-               if (!dereference_basic (A, slang_stor_float, size, swz, is_swizzled))
+               if (!dereference_basic
+                   (A, slang_stor_float, size, swz, is_swizzled))
                   return GL_FALSE;
             }
             else {
-               if (!dereference_basic (A, arr->type, size, swz, is_swizzled))
+               if (!dereference_basic(A, arr->type, size, swz, is_swizzled))
                   return GL_FALSE;
             }
          }
@@ -489,235 +524,240 @@ dereference_aggregate (slang_assemble_ctx *A, const slang_storage_aggregate *agg
    return GL_TRUE;
 }
 
-GLboolean _slang_dereference (slang_assemble_ctx *A, slang_operation *op)
+GLboolean
+_slang_dereference(slang_assemble_ctx * A, slang_operation * op)
 {
-	slang_assembly_typeinfo ti;
-	GLboolean result = GL_FALSE;
-	slang_storage_aggregate agg;
-	GLuint size;
-
-	/* get type information of the given operation */
-	if (!slang_assembly_typeinfo_construct (&ti))
-		return GL_FALSE;
-	if (!_slang_typeof_operation (A, op, &ti))
-		goto end1;
-
-	/* construct aggregate from the type info */
-	if (!slang_storage_aggregate_construct (&agg))
-		goto end1;
-	if (!_slang_aggregate_variable (&agg, &ti.spec, ti.array_len, A->space.funcs, A->space.structs,
-			A->space.vars, A->mach, A->file, A->atoms))
-		goto end;
-
-	/* dereference the resulting aggregate */
-	size = _slang_sizeof_aggregate (&agg);
-	result = dereference_aggregate (A, &agg, &size, &ti.swz, ti.is_swizzled);
-
-end:
-	slang_storage_aggregate_destruct (&agg);
-end1:
-	slang_assembly_typeinfo_destruct (&ti);
-	return result;
+   slang_assembly_typeinfo ti;
+   GLboolean result = GL_FALSE;
+   slang_storage_aggregate agg;
+   GLuint size;
+
+   /* get type information of the given operation */
+   if (!slang_assembly_typeinfo_construct(&ti))
+      return GL_FALSE;
+   if (!_slang_typeof_operation(A, op, &ti))
+      goto end1;
+
+   /* construct aggregate from the type info */
+   if (!slang_storage_aggregate_construct(&agg))
+      goto end1;
+   if (!_slang_aggregate_variable
+       (&agg, &ti.spec, ti.array_len, A->space.funcs, A->space.structs,
+        A->space.vars, A->mach, A->file, A->atoms))
+      goto end;
+
+   /* dereference the resulting aggregate */
+   size = _slang_sizeof_aggregate(&agg);
+   result = dereference_aggregate(A, &agg, &size, &ti.swz, ti.is_swizzled);
+
+ end:
+   slang_storage_aggregate_destruct(&agg);
+ end1:
+   slang_assembly_typeinfo_destruct(&ti);
+   return result;
 }
 
-GLboolean _slang_assemble_function_call (slang_assemble_ctx *A, slang_function *fun,
-	slang_operation *params, GLuint param_count, GLboolean assignment)
+GLboolean
+_slang_assemble_function_call(slang_assemble_ctx * A, slang_function * fun,
+                              slang_operation * params, GLuint param_count,
+                              GLboolean assignment)
 {
-	GLuint i;
-	slang_swizzle p_swz[64];
-	slang_ref_type p_ref[64];
-
-	/* TODO: fix this, allocate dynamically */
-	if (param_count > 64)
-		return GL_FALSE;
-
-	/* make room for the return value, if any */
-	if (fun->header.type.specifier.type != slang_spec_void)
-	{
-		GLuint ret_size = 0;
-
-		if (!sizeof_variable (A, &fun->header.type.specifier, slang_qual_none, 0, &ret_size))
-			return GL_FALSE;
-		if (!PLAB (A->file, slang_asm_local_alloc, ret_size))
-			return GL_FALSE;
-	}
-
-	/* push the actual parameters on the stack */
-	for (i = 0; i < param_count; i++)
-	{
-		if (fun->parameters->variables[i].type.qualifier == slang_qual_inout ||
-			fun->parameters->variables[i].type.qualifier == slang_qual_out)
-		{
-			if (!PLAB2 (A->file, slang_asm_local_addr, A->local.addr_tmp, 4))
-				return GL_FALSE;
-			/* TODO: optimize the "out" parameter case */
-			if (!_slang_assemble_operation (A, &params[i], slang_ref_force))
-				return GL_FALSE;
-			p_swz[i] = A->swz;
-			p_ref[i] = A->ref;
-			if (!PUSH (A->file, slang_asm_addr_copy))
-				return GL_FALSE;
-			if (!PUSH (A->file, slang_asm_addr_deref))
-				return GL_FALSE;
-			if (i == 0 && assignment)
-			{
-				/* duplicate the resulting address */
-				if (!PLAB2 (A->file, slang_asm_local_addr, A->local.addr_tmp, 4))
-					return GL_FALSE;
-				if (!PUSH (A->file, slang_asm_addr_deref))
-					return GL_FALSE;
-			}
-			if (!_slang_dereference (A, &params[i]))
-				return GL_FALSE;
-		}
-		else
-		{
-			if (!_slang_assemble_operation (A, &params[i], slang_ref_forbid))
-				return GL_FALSE;
-			p_swz[i] = A->swz;
-			p_ref[i] = A->ref;
-		}
-	}
-
-	/* call the function */
-	if (!PLAB (A->file, slang_asm_call, fun->address))
-		return GL_FALSE;
-
-	/* pop the parameters from the stack */
-	for (i = param_count; i > 0; i--)
-	{
-		GLuint j = i - 1;
-
-		A->swz = p_swz[j];
-		A->ref = p_ref[j];
-		if (fun->parameters->variables[j].type.qualifier == slang_qual_inout ||
-			fun->parameters->variables[j].type.qualifier == slang_qual_out)
-		{
-			/* for output parameter copy the contents of the formal parameter
-			 * back to the original actual parameter */
-			if (!_slang_assemble_assignment (A, &params[j]))
-				return GL_FALSE;
-			/* pop the actual parameter's address */
-			if (!PLAB (A->file, slang_asm_local_free, 4))
-				return GL_FALSE;
-		}
-		else
-		{
-			/* pop the value of the parameter */
-			if (!_slang_cleanup_stack (A, &params[j]))
-				return GL_FALSE;
-		}
-	}
-
-	return GL_TRUE;
+   GLuint i;
+   slang_swizzle p_swz[64];
+   slang_ref_type p_ref[64];
+
+   /* TODO: fix this, allocate dynamically */
+   if (param_count > 64)
+      return GL_FALSE;
+
+   /* make room for the return value, if any */
+   if (fun->header.type.specifier.type != slang_spec_void) {
+      GLuint ret_size = 0;
+
+      if (!sizeof_variable
+          (A, &fun->header.type.specifier, slang_qual_none, 0, &ret_size))
+         return GL_FALSE;
+      if (!PLAB(A->file, slang_asm_local_alloc, ret_size))
+         return GL_FALSE;
+   }
+
+   /* push the actual parameters on the stack */
+   for (i = 0; i < param_count; i++) {
+      if (fun->parameters->variables[i].type.qualifier == slang_qual_inout ||
+          fun->parameters->variables[i].type.qualifier == slang_qual_out) {
+         if (!PLAB2(A->file, slang_asm_local_addr, A->local.addr_tmp, 4))
+            return GL_FALSE;
+         /* TODO: optimize the "out" parameter case */
+         if (!_slang_assemble_operation(A, &params[i], slang_ref_force))
+            return GL_FALSE;
+         p_swz[i] = A->swz;
+         p_ref[i] = A->ref;
+         if (!PUSH(A->file, slang_asm_addr_copy))
+            return GL_FALSE;
+         if (!PUSH(A->file, slang_asm_addr_deref))
+            return GL_FALSE;
+         if (i == 0 && assignment) {
+            /* duplicate the resulting address */
+            if (!PLAB2(A->file, slang_asm_local_addr, A->local.addr_tmp, 4))
+               return GL_FALSE;
+            if (!PUSH(A->file, slang_asm_addr_deref))
+               return GL_FALSE;
+         }
+         if (!_slang_dereference(A, &params[i]))
+            return GL_FALSE;
+      }
+      else {
+         if (!_slang_assemble_operation(A, &params[i], slang_ref_forbid))
+            return GL_FALSE;
+         p_swz[i] = A->swz;
+         p_ref[i] = A->ref;
+      }
+   }
+
+   /* call the function */
+   if (!PLAB(A->file, slang_asm_call, fun->address))
+      return GL_FALSE;
+
+   /* pop the parameters from the stack */
+   for (i = param_count; i > 0; i--) {
+      GLuint j = i - 1;
+
+      A->swz = p_swz[j];
+      A->ref = p_ref[j];
+      if (fun->parameters->variables[j].type.qualifier == slang_qual_inout ||
+          fun->parameters->variables[j].type.qualifier == slang_qual_out) {
+         /* for output parameter copy the contents of the formal parameter
+          * back to the original actual parameter
+          */
+         if (!_slang_assemble_assignment(A, &params[j]))
+            return GL_FALSE;
+         /* pop the actual parameter's address */
+         if (!PLAB(A->file, slang_asm_local_free, 4))
+            return GL_FALSE;
+      }
+      else {
+         /* pop the value of the parameter */
+         if (!_slang_cleanup_stack(A, &params[j]))
+            return GL_FALSE;
+      }
+   }
+
+   return GL_TRUE;
 }
 
-GLboolean _slang_assemble_function_call_name (slang_assemble_ctx *A, const char *name,
-	slang_operation *params, GLuint param_count, GLboolean assignment)
+GLboolean
+_slang_assemble_function_call_name(slang_assemble_ctx * A, const char *name,
+                                   slang_operation * params,
+                                   GLuint param_count, GLboolean assignment)
 {
-	slang_atom atom;
-	slang_function *fun;
-
-	atom = slang_atom_pool_atom (A->atoms, name);
-	if (atom == SLANG_ATOM_NULL)
-		return GL_FALSE;
-	fun = _slang_locate_function (A->space.funcs, atom, params, param_count, &A->space, A->atoms);
-	if (fun == NULL)
-		return GL_FALSE;
-	return _slang_assemble_function_call (A, fun, params, param_count, assignment);
+   slang_atom atom;
+   slang_function *fun;
+
+   atom = slang_atom_pool_atom(A->atoms, name);
+   if (atom == SLANG_ATOM_NULL)
+      return GL_FALSE;
+   fun =
+      _slang_locate_function(A->space.funcs, atom, params, param_count,
+                             &A->space, A->atoms);
+   if (fun == NULL)
+      return GL_FALSE;
+   return _slang_assemble_function_call(A, fun, params, param_count,
+                                        assignment);
 }
 
-static GLboolean assemble_function_call_name_dummyint (slang_assemble_ctx *A, const char *name,
-	slang_operation *params)
+static GLboolean
+assemble_function_call_name_dummyint(slang_assemble_ctx * A, const char *name,
+                                     slang_operation * params)
 {
-	slang_operation p[2];
-	GLboolean result;
-
-	p[0] = params[0];
-	if (!slang_operation_construct (&p[1]))
-		return GL_FALSE;
-	p[1].type = slang_oper_literal_int;
-	result = _slang_assemble_function_call_name (A, name, p, 2, GL_FALSE);
-	slang_operation_destruct (&p[1]);
-	return result;
+   slang_operation p[2];
+   GLboolean result;
+
+   p[0] = params[0];
+   if (!slang_operation_construct(&p[1]))
+      return GL_FALSE;
+   p[1].type = slang_oper_literal_int;
+   result = _slang_assemble_function_call_name(A, name, p, 2, GL_FALSE);
+   slang_operation_destruct(&p[1]);
+   return result;
 }
 
 static const struct
 {
-	const char *name;
-	slang_assembly_type code1, code2;
+   const char *name;
+   slang_assembly_type code1, code2;
 } inst[] = {
-	/* core */
-	{ "float_add",      slang_asm_float_add,      slang_asm_float_copy },
-	{ "float_multiply", slang_asm_float_multiply, slang_asm_float_copy },
-	{ "float_divide",   slang_asm_float_divide,   slang_asm_float_copy },
-	{ "float_negate",   slang_asm_float_negate,   slang_asm_float_copy },
-	{ "float_less",     slang_asm_float_less,     slang_asm_bool_copy },
-	{ "float_equal",    slang_asm_float_equal_exp,slang_asm_bool_copy },
-	{ "float_to_int",   slang_asm_float_to_int,   slang_asm_int_copy },
-	{ "float_sine",     slang_asm_float_sine,     slang_asm_float_copy },
-	{ "float_arcsine",  slang_asm_float_arcsine,  slang_asm_float_copy },
-	{ "float_arctan",   slang_asm_float_arctan,   slang_asm_float_copy },
-	{ "float_power",    slang_asm_float_power,    slang_asm_float_copy },
-	{ "float_log2",     slang_asm_float_log2,     slang_asm_float_copy },
-	{ "float_floor",    slang_asm_float_floor,    slang_asm_float_copy },
-	{ "float_ceil",     slang_asm_float_ceil,     slang_asm_float_copy },
-	{ "float_noise1",   slang_asm_float_noise1,   slang_asm_float_copy },
-	{ "float_noise2",   slang_asm_float_noise2,   slang_asm_float_copy },
-	{ "float_noise3",   slang_asm_float_noise3,   slang_asm_float_copy },
-	{ "float_noise4",   slang_asm_float_noise4,   slang_asm_float_copy },
-	{ "int_to_float",   slang_asm_int_to_float,   slang_asm_float_copy },
-	{ "vec4_tex1d",     slang_asm_vec4_tex1d,     slang_asm_none },
-	{ "vec4_tex2d",     slang_asm_vec4_tex2d,     slang_asm_none },
-	{ "vec4_tex3d",     slang_asm_vec4_tex3d,     slang_asm_none },
-	{ "vec4_texcube",   slang_asm_vec4_texcube,   slang_asm_none },
-	{ "vec4_shad1d",    slang_asm_vec4_shad1d,    slang_asm_none },
-	{ "vec4_shad2d",    slang_asm_vec4_shad2d,    slang_asm_none },
-   /* GL_MESA_shader_debug */
-	{ "float_print",    slang_asm_float_deref,    slang_asm_float_print },
-	{ "int_print",      slang_asm_int_deref,      slang_asm_int_print },
-	{ "bool_print",     slang_asm_bool_deref,     slang_asm_bool_print },
+   /* core */
+   {"float_add", slang_asm_float_add, slang_asm_float_copy},
+   {"float_multiply", slang_asm_float_multiply, slang_asm_float_copy},
+   {"float_divide", slang_asm_float_divide, slang_asm_float_copy},
+   {"float_negate", slang_asm_float_negate, slang_asm_float_copy},
+   {"float_less", slang_asm_float_less, slang_asm_bool_copy},
+   {"float_equal", slang_asm_float_equal_exp, slang_asm_bool_copy},
+   {"float_to_int", slang_asm_float_to_int, slang_asm_int_copy},
+   {"float_sine", slang_asm_float_sine, slang_asm_float_copy},
+   {"float_arcsine", slang_asm_float_arcsine, slang_asm_float_copy},
+   {"float_arctan", slang_asm_float_arctan, slang_asm_float_copy},
+   {"float_power", slang_asm_float_power, slang_asm_float_copy},
+   {"float_log2", slang_asm_float_log2, slang_asm_float_copy},
+   {"float_floor", slang_asm_float_floor, slang_asm_float_copy},
+   {"float_ceil", slang_asm_float_ceil, slang_asm_float_copy},
+   {"float_noise1", slang_asm_float_noise1, slang_asm_float_copy},
+   {"float_noise2", slang_asm_float_noise2, slang_asm_float_copy},
+   {"float_noise3", slang_asm_float_noise3, slang_asm_float_copy},
+   {"float_noise4", slang_asm_float_noise4, slang_asm_float_copy},
+   {"int_to_float", slang_asm_int_to_float, slang_asm_float_copy},
+   {"vec4_tex1d", slang_asm_vec4_tex1d, slang_asm_none},
+   {"vec4_tex2d", slang_asm_vec4_tex2d, slang_asm_none},
+   {"vec4_tex3d", slang_asm_vec4_tex3d, slang_asm_none},
+   {"vec4_texcube", slang_asm_vec4_texcube, slang_asm_none},
+   {"vec4_shad1d", slang_asm_vec4_shad1d, slang_asm_none},
+   {"vec4_shad2d", slang_asm_vec4_shad2d, slang_asm_none},
+    /* GL_MESA_shader_debug */
+   {"float_print", slang_asm_float_deref, slang_asm_float_print},
+   {"int_print", slang_asm_int_deref, slang_asm_int_print},
+   {"bool_print", slang_asm_bool_deref, slang_asm_bool_print},
    /* vec4 */
-   { "float_to_vec4",  slang_asm_float_to_vec4,  slang_asm_none },
-   { "vec4_add",       slang_asm_vec4_add,       slang_asm_none },
-   { "vec4_subtract",  slang_asm_vec4_subtract,  slang_asm_none },
-   { "vec4_multiply",  slang_asm_vec4_multiply,  slang_asm_none },
-   { "vec4_divide",    slang_asm_vec4_divide,    slang_asm_none },
-   { "vec4_negate",    slang_asm_vec4_negate,    slang_asm_none },
-   { "vec4_dot",       slang_asm_vec4_dot,       slang_asm_none },
-
-	{ NULL,             slang_asm_none,           slang_asm_none }
+   {"float_to_vec4", slang_asm_float_to_vec4, slang_asm_none},
+   {"vec4_add", slang_asm_vec4_add, slang_asm_none},
+   {"vec4_subtract", slang_asm_vec4_subtract, slang_asm_none},
+   {"vec4_multiply", slang_asm_vec4_multiply, slang_asm_none},
+   {"vec4_divide", slang_asm_vec4_divide, slang_asm_none},
+   {"vec4_negate", slang_asm_vec4_negate, slang_asm_none},
+   {"vec4_dot", slang_asm_vec4_dot, slang_asm_none},
+   {NULL, slang_asm_none, slang_asm_none}
 };
 
-static GLboolean call_asm_instruction (slang_assemble_ctx *A, slang_atom a_name)
+static GLboolean
+call_asm_instruction(slang_assemble_ctx * A, slang_atom a_name)
 {
-	const char *id;
-	GLuint i;
+   const char *id;
+   GLuint i;
 
-	id = slang_atom_pool_id (A->atoms, a_name);
+   id = slang_atom_pool_id(A->atoms, a_name);
 
-	for (i = 0; inst[i].name != NULL; i++)
-		if (slang_string_compare (id, inst[i].name) == 0)
-			break;
-	if (inst[i].name == NULL)
-		return GL_FALSE;
+   for (i = 0; inst[i].name != NULL; i++)
+      if (slang_string_compare(id, inst[i].name) == 0)
+         break;
+   if (inst[i].name == NULL)
+      return GL_FALSE;
 
-	if (!PLAB2 (A->file, inst[i].code1, 4, 0))
-		return GL_FALSE;
-	if (inst[i].code2 != slang_asm_none)
-		if (!PLAB2 (A->file, inst[i].code2, 4, 0))
-			return GL_FALSE;
+   if (!PLAB2(A->file, inst[i].code1, 4, 0))
+      return GL_FALSE;
+   if (inst[i].code2 != slang_asm_none)
+      if (!PLAB2(A->file, inst[i].code2, 4, 0))
+         return GL_FALSE;
 
-	/* clean-up the stack from the remaining dst address */
-	if (!PLAB (A->file, slang_asm_local_free, 4))
-		return GL_FALSE;
+   /* clean-up the stack from the remaining dst address */
+   if (!PLAB(A->file, slang_asm_local_free, 4))
+      return GL_FALSE;
 
-	return GL_TRUE;
+   return GL_TRUE;
 }
 
 static GLboolean
-equality_aggregate (slang_assemble_ctx *A, const slang_storage_aggregate *agg, GLuint *index,
-                    GLuint size, GLuint z_label)
+equality_aggregate(slang_assemble_ctx * A,
+                   const slang_storage_aggregate * agg, GLuint * index,
+                   GLuint size, GLuint z_label)
 {
    GLuint i;
 
@@ -727,22 +767,25 @@ equality_aggregate (slang_assemble_ctx *A, const slang_storage_aggregate *agg, G
 
       for (j = 0; j < arr->length; j++) {
          if (arr->type == slang_stor_aggregate) {
-            if (!equality_aggregate (A, arr->aggregate, index, size, z_label))
+            if (!equality_aggregate(A, arr->aggregate, index, size, z_label))
                return GL_FALSE;
          }
          else {
 #if defined(USE_X86_ASM) || defined(SLANG_X86)
             if (arr->type == slang_stor_vec4) {
-               if (!PLAB2 (A->file, slang_asm_vec4_equal_int, size + *index, *index))
+               if (!PLAB2
+                   (A->file, slang_asm_vec4_equal_int, size + *index, *index))
                   return GL_FALSE;
             }
             else
 #endif
-               if (!PLAB2 (A->file, slang_asm_float_equal_int, size + *index, *index))
-                  return GL_FALSE;
+            if (!PLAB2
+                   (A->file, slang_asm_float_equal_int, size + *index,
+                       *index))
+               return GL_FALSE;
 
-            *index += _slang_sizeof_type (arr->type);
-            if (!PLAB (A->file, slang_asm_jump_if_zero, z_label))
+            *index += _slang_sizeof_type(arr->type);
+            if (!PLAB(A->file, slang_asm_jump_if_zero, z_label))
                return GL_FALSE;
          }
       }
@@ -751,753 +794,755 @@ equality_aggregate (slang_assemble_ctx *A, const slang_storage_aggregate *agg, G
    return GL_TRUE;
 }
 
-static GLboolean equality (slang_assemble_ctx *A, slang_operation *op, GLboolean equal)
+static GLboolean
+equality(slang_assemble_ctx * A, slang_operation * op, GLboolean equal)
 {
-	slang_assembly_typeinfo ti;
-	GLboolean result = GL_FALSE;
-	slang_storage_aggregate agg;
-	GLuint index, size;
-	GLuint skip_jump, true_label, true_jump, false_label, false_jump;
-
-	/* get type of operation */
-	if (!slang_assembly_typeinfo_construct (&ti))
-		return GL_FALSE;
-	if (!_slang_typeof_operation (A, op, &ti))
-		goto end1;
-
-	/* convert it to an aggregate */
-	if (!slang_storage_aggregate_construct (&agg))
-		goto end1;
-	if (!_slang_aggregate_variable (&agg, &ti.spec, 0, A->space.funcs, A->space.structs,
-			A->space.vars, A->mach, A->file, A->atoms))
-		goto end;
-
-	/* compute the size of the agregate - there are two such aggregates on the stack */
-	size = _slang_sizeof_aggregate (&agg);
-
-	/* jump to the actual data-comparison code */
-	skip_jump = A->file->count;
-	if (!PUSH (A->file, slang_asm_jump))
-		goto end;
-
-	/* pop off the stack the compared data and push 1 */
-	true_label = A->file->count;
-	if (!PLAB (A->file, slang_asm_local_free, size * 2))
-		goto end;
-	if (!PLIT (A->file, slang_asm_bool_push, (GLfloat) 1))
-		goto end;
-	true_jump = A->file->count;
-	if (!PUSH (A->file, slang_asm_jump))
-		goto end;
-
-	false_label = A->file->count;
-	if (!PLAB (A->file, slang_asm_local_free, size * 2))
-		goto end;
-	if (!PLIT (A->file, slang_asm_bool_push, (GLfloat) 0))
-		goto end;
-	false_jump = A->file->count;
-	if (!PUSH (A->file, slang_asm_jump))
-		goto end;
-
-	A->file->code[skip_jump].param[0] = A->file->count;
-
-	/* compare the data on stack, it will eventually jump either to true or false label */
-	index = 0;
-	if (!equality_aggregate (A, &agg, &index, size, equal ? false_label : true_label))
-		goto end;
-	if (!PLAB (A->file, slang_asm_jump, equal ? true_label : false_label))
-		goto end;
-
-	A->file->code[true_jump].param[0] = A->file->count;
-	A->file->code[false_jump].param[0] = A->file->count;
-
-	result = GL_TRUE;
-end:
-	slang_storage_aggregate_destruct (&agg);
-end1:
-	slang_assembly_typeinfo_destruct (&ti);
-	return result;
+   slang_assembly_typeinfo ti;
+   GLboolean result = GL_FALSE;
+   slang_storage_aggregate agg;
+   GLuint index, size;
+   GLuint skip_jump, true_label, true_jump, false_label, false_jump;
+
+   /* get type of operation */
+   if (!slang_assembly_typeinfo_construct(&ti))
+      return GL_FALSE;
+   if (!_slang_typeof_operation(A, op, &ti))
+      goto end1;
+
+   /* convert it to an aggregate */
+   if (!slang_storage_aggregate_construct(&agg))
+      goto end1;
+   if (!_slang_aggregate_variable
+       (&agg, &ti.spec, 0, A->space.funcs, A->space.structs, A->space.vars,
+        A->mach, A->file, A->atoms))
+      goto end;
+
+   /* compute the size of the agregate - there are two such aggregates on the stack */
+   size = _slang_sizeof_aggregate(&agg);
+
+   /* jump to the actual data-comparison code */
+   skip_jump = A->file->count;
+   if (!PUSH(A->file, slang_asm_jump))
+      goto end;
+
+   /* pop off the stack the compared data and push 1 */
+   true_label = A->file->count;
+   if (!PLAB(A->file, slang_asm_local_free, size * 2))
+      goto end;
+   if (!PLIT(A->file, slang_asm_bool_push, (GLfloat) 1))
+      goto end;
+   true_jump = A->file->count;
+   if (!PUSH(A->file, slang_asm_jump))
+      goto end;
+
+   false_label = A->file->count;
+   if (!PLAB(A->file, slang_asm_local_free, size * 2))
+      goto end;
+   if (!PLIT(A->file, slang_asm_bool_push, (GLfloat) 0))
+      goto end;
+   false_jump = A->file->count;
+   if (!PUSH(A->file, slang_asm_jump))
+      goto end;
+
+   A->file->code[skip_jump].param[0] = A->file->count;
+
+   /* compare the data on stack, it will eventually jump either to true or false label */
+   index = 0;
+   if (!equality_aggregate
+       (A, &agg, &index, size, equal ? false_label : true_label))
+      goto end;
+   if (!PLAB(A->file, slang_asm_jump, equal ? true_label : false_label))
+      goto end;
+
+   A->file->code[true_jump].param[0] = A->file->count;
+   A->file->code[false_jump].param[0] = A->file->count;
+
+   result = GL_TRUE;
+ end:
+   slang_storage_aggregate_destruct(&agg);
+ end1:
+   slang_assembly_typeinfo_destruct(&ti);
+   return result;
 }
 
-static GLboolean handle_subscript (slang_assemble_ctx *A, slang_assembly_typeinfo *tie,
-	slang_assembly_typeinfo *tia, slang_operation *op, slang_ref_type ref)
+static GLboolean
+handle_subscript(slang_assemble_ctx * A, slang_assembly_typeinfo * tie,
+                 slang_assembly_typeinfo * tia, slang_operation * op,
+                 slang_ref_type ref)
 {
-	GLuint asize = 0, esize = 0;
-
-	/* get type info of the master expression (matrix, vector or an array */
-	if (!_slang_typeof_operation (A, &op->children[0], tia))
-		return GL_FALSE;
-	if (!sizeof_variable (A, &tia->spec, slang_qual_none, tia->array_len, &asize))
-		return GL_FALSE;
-
-	/* get type info of the result (matrix column, vector row or array element) */
-	if (!_slang_typeof_operation (A, op, tie))
-		return GL_FALSE;
-	if (!sizeof_variable (A, &tie->spec, slang_qual_none, 0, &esize))
-		return GL_FALSE;
-
-	/* assemble the master expression */
-	if (!_slang_assemble_operation (A, &op->children[0], ref))
-		return GL_FALSE;
-
-	/* when indexing an l-value swizzle, push the swizzle_tmp */
-	if (ref == slang_ref_force && tia->is_swizzled)
-		if (!PLAB2 (A->file, slang_asm_local_addr, A->local.swizzle_tmp, 16))
-			return GL_FALSE;
-
-	/* assemble the subscript expression */
-	if (!_slang_assemble_operation (A, &op->children[1], slang_ref_forbid))
-		return GL_FALSE;
-
-	if (ref == slang_ref_force && tia->is_swizzled)
-	{
-		GLuint i;
-
-		/* copy the swizzle indexes to the swizzle_tmp */
-		for (i = 0; i < tia->swz.num_components; i++)
-		{
-			if (!PLAB2 (A->file, slang_asm_local_addr, A->local.swizzle_tmp, 16))
-				return GL_FALSE;
-			if (!PLAB (A->file, slang_asm_addr_push, i * 4))
-				return GL_FALSE;
-			if (!PUSH (A->file, slang_asm_addr_add))
-				return GL_FALSE;
-			if (!PLAB (A->file, slang_asm_addr_push, tia->swz.swizzle[i]))
-				return GL_FALSE;
-			if (!PUSH (A->file, slang_asm_addr_copy))
-				return GL_FALSE;
-			if (!PLAB (A->file, slang_asm_local_free, 4))
-				return GL_FALSE;
-		}
-
-		/* offset the pushed swizzle_tmp address and dereference it */
-		if (!PUSH (A->file, slang_asm_int_to_addr))
-			return GL_FALSE;
-		if (!PLAB (A->file, slang_asm_addr_push, 4))
-			return GL_FALSE;
-		if (!PUSH (A->file, slang_asm_addr_multiply))
-			return GL_FALSE;
-		if (!PUSH (A->file, slang_asm_addr_add))
-			return GL_FALSE;
-		if (!PUSH (A->file, slang_asm_addr_deref))
-			return GL_FALSE;
-	}
-	else
-	{
-		/* convert the integer subscript to a relative address */
-		if (!PUSH (A->file, slang_asm_int_to_addr))
-			return GL_FALSE;
-	}
-
-	if (!PLAB (A->file, slang_asm_addr_push, esize))
-		return GL_FALSE;
-	if (!PUSH (A->file, slang_asm_addr_multiply))
-		return GL_FALSE;
-
-	if (ref == slang_ref_force)
-	{
-		/* offset the base address with the relative address */
-		if (!PUSH (A->file, slang_asm_addr_add))
-			return GL_FALSE;
-	}
-	else
-	{
-		GLuint i;
-
-		/* move the selected element to the beginning of the master expression */
-		for (i = 0; i < esize; i += 4)
-			if (!PLAB2 (A->file, slang_asm_float_move, asize - esize + i + 4, i + 4))
-				return GL_FALSE;
-		if (!PLAB (A->file, slang_asm_local_free, 4))
-			return GL_FALSE;
-
-		/* free the rest of the master expression */
-		if (!PLAB (A->file, slang_asm_local_free, asize - esize))
-			return GL_FALSE;
-	}
-
-	return GL_TRUE;
+   GLuint asize = 0, esize = 0;
+
+   /* get type info of the master expression (matrix, vector or an array */
+   if (!_slang_typeof_operation(A, &op->children[0], tia))
+      return GL_FALSE;
+   if (!sizeof_variable
+       (A, &tia->spec, slang_qual_none, tia->array_len, &asize))
+      return GL_FALSE;
+
+   /* get type info of the result (matrix column, vector row or array element) */
+   if (!_slang_typeof_operation(A, op, tie))
+      return GL_FALSE;
+   if (!sizeof_variable(A, &tie->spec, slang_qual_none, 0, &esize))
+      return GL_FALSE;
+
+   /* assemble the master expression */
+   if (!_slang_assemble_operation(A, &op->children[0], ref))
+      return GL_FALSE;
+
+   /* when indexing an l-value swizzle, push the swizzle_tmp */
+   if (ref == slang_ref_force && tia->is_swizzled)
+      if (!PLAB2(A->file, slang_asm_local_addr, A->local.swizzle_tmp, 16))
+         return GL_FALSE;
+
+   /* assemble the subscript expression */
+   if (!_slang_assemble_operation(A, &op->children[1], slang_ref_forbid))
+      return GL_FALSE;
+
+   if (ref == slang_ref_force && tia->is_swizzled) {
+      GLuint i;
+
+      /* copy the swizzle indexes to the swizzle_tmp */
+      for (i = 0; i < tia->swz.num_components; i++) {
+         if (!PLAB2(A->file, slang_asm_local_addr, A->local.swizzle_tmp, 16))
+            return GL_FALSE;
+         if (!PLAB(A->file, slang_asm_addr_push, i * 4))
+            return GL_FALSE;
+         if (!PUSH(A->file, slang_asm_addr_add))
+            return GL_FALSE;
+         if (!PLAB(A->file, slang_asm_addr_push, tia->swz.swizzle[i]))
+            return GL_FALSE;
+         if (!PUSH(A->file, slang_asm_addr_copy))
+            return GL_FALSE;
+         if (!PLAB(A->file, slang_asm_local_free, 4))
+            return GL_FALSE;
+      }
+
+      /* offset the pushed swizzle_tmp address and dereference it */
+      if (!PUSH(A->file, slang_asm_int_to_addr))
+         return GL_FALSE;
+      if (!PLAB(A->file, slang_asm_addr_push, 4))
+         return GL_FALSE;
+      if (!PUSH(A->file, slang_asm_addr_multiply))
+         return GL_FALSE;
+      if (!PUSH(A->file, slang_asm_addr_add))
+         return GL_FALSE;
+      if (!PUSH(A->file, slang_asm_addr_deref))
+         return GL_FALSE;
+   }
+   else {
+      /* convert the integer subscript to a relative address */
+      if (!PUSH(A->file, slang_asm_int_to_addr))
+         return GL_FALSE;
+   }
+
+   if (!PLAB(A->file, slang_asm_addr_push, esize))
+      return GL_FALSE;
+   if (!PUSH(A->file, slang_asm_addr_multiply))
+      return GL_FALSE;
+
+   if (ref == slang_ref_force) {
+      /* offset the base address with the relative address */
+      if (!PUSH(A->file, slang_asm_addr_add))
+         return GL_FALSE;
+   }
+   else {
+      GLuint i;
+
+      /* move the selected element to the beginning of the master expression */
+      for (i = 0; i < esize; i += 4)
+         if (!PLAB2
+             (A->file, slang_asm_float_move, asize - esize + i + 4, i + 4))
+            return GL_FALSE;
+      if (!PLAB(A->file, slang_asm_local_free, 4))
+         return GL_FALSE;
+
+      /* free the rest of the master expression */
+      if (!PLAB(A->file, slang_asm_local_free, asize - esize))
+         return GL_FALSE;
+   }
+
+   return GL_TRUE;
 }
 
-static GLboolean handle_field (slang_assemble_ctx *A, slang_assembly_typeinfo *tia,
-	slang_assembly_typeinfo *tib, slang_operation *op, slang_ref_type ref)
+static GLboolean
+handle_field(slang_assemble_ctx * A, slang_assembly_typeinfo * tia,
+             slang_assembly_typeinfo * tib, slang_operation * op,
+             slang_ref_type ref)
 {
-	/* get type info of the result (field or swizzle) */
-	if (!_slang_typeof_operation (A, op, tia))
-		return GL_FALSE;
-
-	/* get type info of the master expression being accessed (struct or vector) */
-	if (!_slang_typeof_operation (A, &op->children[0], tib))
-		return GL_FALSE;
-
-	/* if swizzling a vector in-place, the swizzle temporary is needed */
-	if (ref == slang_ref_forbid && tia->is_swizzled)
-		if (!PLAB2 (A->file, slang_asm_local_addr, A->local.swizzle_tmp, 16))
-			return GL_FALSE;
-
-	/* assemble the master expression */
-	if (!_slang_assemble_operation (A, &op->children[0], ref))
-		return GL_FALSE;
-
-	/* assemble the field expression */
-	if (tia->is_swizzled)
-	{
-		if (ref == slang_ref_force)
-		{
+   /* get type info of the result (field or swizzle) */
+   if (!_slang_typeof_operation(A, op, tia))
+      return GL_FALSE;
+
+   /* get type info of the master expression being accessed (struct or vector) */
+   if (!_slang_typeof_operation(A, &op->children[0], tib))
+      return GL_FALSE;
+
+   /* if swizzling a vector in-place, the swizzle temporary is needed */
+   if (ref == slang_ref_forbid && tia->is_swizzled)
+      if (!PLAB2(A->file, slang_asm_local_addr, A->local.swizzle_tmp, 16))
+         return GL_FALSE;
+
+   /* assemble the master expression */
+   if (!_slang_assemble_operation(A, &op->children[0], ref))
+      return GL_FALSE;
+
+   /* assemble the field expression */
+   if (tia->is_swizzled) {
+      if (ref == slang_ref_force) {
 #if 0
-			if (tia->swz.num_components == 1)
-			{
-				/* simple case - adjust the vector's address to point to the selected component */
-				if (!PLAB (file, slang_asm_addr_push, tia->swz.swizzle[0] * 4))
-					return 0;
-				if (!PUSH (file, slang_asm_addr_add))
-					return 0;
-			}
-			else
+         if (tia->swz.num_components == 1) {
+            /* simple case - adjust the vector's address to point to
+             * the selected component
+             */
+            if (!PLAB(file, slang_asm_addr_push, tia->swz.swizzle[0] * 4))
+               return 0;
+            if (!PUSH(file, slang_asm_addr_add))
+               return 0;
+         }
+         else
 #endif
-			{
-				/* two or more vector components are being referenced - the so-called write mask
-				 * must be passed to the upper operations and applied when assigning value
-				 * to this swizzle */
-				A->swz = tia->swz;
-			}
-		}
-		else
-		{
-			/* swizzle the vector in-place using the swizzle temporary */
-			if (!_slang_assemble_constructor_from_swizzle (A, &tia->swz, &tia->spec, &tib->spec))
-				return GL_FALSE;
-		}
-	}
-	else
-	{
-		GLuint i, struct_size = 0, field_offset = 0, field_size = 0;
+         {
+            /* two or more vector components are being referenced -
+             * the so-called write mask must be passed to the upper
+             * operations and applied when assigning value to this swizzle
+             */
+            A->swz = tia->swz;
+         }
+      }
+      else {
+         /* swizzle the vector in-place using the swizzle temporary */
+         if (!_slang_assemble_constructor_from_swizzle
+             (A, &tia->swz, &tia->spec, &tib->spec))
+            return GL_FALSE;
+      }
+   }
+   else {
+      GLuint i, struct_size = 0, field_offset = 0, field_size = 0;
 
       /*
        * Calculate struct size, field offset and field size.
        */
-		for (i = 0; i < tib->spec._struct->fields->num_variables; i++)
-		{
-			slang_variable *field;
-			slang_storage_aggregate agg;
-			GLuint size;
-
-			field = &tib->spec._struct->fields->variables[i];
-			if (!slang_storage_aggregate_construct (&agg))
-				return GL_FALSE;
-			if (!_slang_aggregate_variable (&agg, &field->type.specifier, field->array_len,
-					A->space.funcs, A->space.structs, A->space.vars, A->mach, A->file, A->atoms))
-			{
-				slang_storage_aggregate_destruct (&agg);
-				return GL_FALSE;
-			}
-			size = _slang_sizeof_aggregate (&agg);
-			slang_storage_aggregate_destruct (&agg);
+      for (i = 0; i < tib->spec._struct->fields->num_variables; i++) {
+         slang_variable *field;
+         slang_storage_aggregate agg;
+         GLuint size;
+
+         field = &tib->spec._struct->fields->variables[i];
+         if (!slang_storage_aggregate_construct(&agg))
+            return GL_FALSE;
+         if (!_slang_aggregate_variable
+             (&agg, &field->type.specifier, field->array_len, A->space.funcs,
+              A->space.structs, A->space.vars, A->mach, A->file, A->atoms)) {
+            slang_storage_aggregate_destruct(&agg);
+            return GL_FALSE;
+         }
+         size = _slang_sizeof_aggregate(&agg);
+         slang_storage_aggregate_destruct(&agg);
 
          if (op->a_id == field->a_name) {
             field_size = size;
             field_offset = struct_size;
          }
          struct_size += size;
-		}
+      }
 
-		if (ref == slang_ref_force)
-		{
+      if (ref == slang_ref_force) {
          GLboolean shift;
 
          /*
-         * OPTIMIZATION: If selecting first field, no address shifting is needed.
-         */
+          * OPTIMIZATION: If selecting first field, no address shifting
+          * is needed.
+          */
          shift = (field_offset != 0);
 
          if (shift) {
-            if (!PLAB (A->file, slang_asm_addr_push, field_offset))
+            if (!PLAB(A->file, slang_asm_addr_push, field_offset))
+               return GL_FALSE;
+            if (!PUSH(A->file, slang_asm_addr_add))
                return GL_FALSE;
-				if (!PUSH (A->file, slang_asm_addr_add))
-					return GL_FALSE;
-			}
-		}
-		else
-		{
+         }
+      }
+      else {
          GLboolean relocate, shrink;
-			GLuint free_b = 0;
+         GLuint free_b = 0;
 
          /*
-         * OPTIMIZATION: If selecting last field, no relocation is needed.
-         */
+          * OPTIMIZATION: If selecting last field, no relocation is needed.
+          */
          relocate = (field_offset != (struct_size - field_size));
 
          /*
-         * OPTIMIZATION: If field and struct sizes are equal, no partial free is needed.
-         */
+          * OPTIMIZATION: If field and struct sizes are equal, no partial
+          * free is needed.
+          */
          shrink = (field_size != struct_size);
 
-			if (relocate)
-			{
-				GLuint i;
+         if (relocate) {
+            GLuint i;
 
-				/*
-				 * Move the selected element to the end of the master expression.
-				 * Do it in reverse order to avoid overwriting itself.
-				 */
-            if (!PLAB (A->file, slang_asm_addr_push, field_offset))
+            /*
+             * Move the selected element to the end of the master expression.
+             * Do it in reverse order to avoid overwriting itself.
+             */
+            if (!PLAB(A->file, slang_asm_addr_push, field_offset))
                return GL_FALSE;
-				for (i = field_size; i > 0; i -= 4)
-					if (!PLAB2 (A->file, slang_asm_float_move, struct_size - field_size + i, i))
-						return GL_FALSE;
-				free_b += 4;
-			}
-
-			if (shrink)
-			{
-				/* free the rest of the master expression */
-				free_b += struct_size - field_size;
-			}
-
-			if (free_b)
-			{
-				if (!PLAB (A->file, slang_asm_local_free, free_b))
-					return GL_FALSE;
-			}
-		}
-	}
-
-	return GL_TRUE;
+            for (i = field_size; i > 0; i -= 4)
+               if (!PLAB2
+                   (A->file, slang_asm_float_move,
+                    struct_size - field_size + i, i))
+                  return GL_FALSE;
+            free_b += 4;
+         }
+
+         if (shrink) {
+            /* free the rest of the master expression */
+            free_b += struct_size - field_size;
+         }
+
+         if (free_b) {
+            if (!PLAB(A->file, slang_asm_local_free, free_b))
+               return GL_FALSE;
+         }
+      }
+   }
+
+   return GL_TRUE;
 }
 
-GLboolean _slang_assemble_operation (slang_assemble_ctx *A, slang_operation *op, slang_ref_type ref)
+GLboolean
+_slang_assemble_operation(slang_assemble_ctx * A, slang_operation * op,
+                          slang_ref_type ref)
 {
-	/* set default results */
-	A->ref = /*(ref == slang_ref_freelance) ? slang_ref_force : */ref;
-	A->swz.num_components = 0;
-
-	switch (op->type)
-	{
-	case slang_oper_block_no_new_scope:
-	case slang_oper_block_new_scope:
-		{
-			GLuint i;
-
-			for (i = 0; i < op->num_children; i++)
-			{
-				if (!_slang_assemble_operation (A, &op->children[i], slang_ref_forbid/*slang_ref_freelance*/))
-					return GL_FALSE;
-				if (!_slang_cleanup_stack (A, &op->children[i]))
-					return GL_FALSE;
-			}
-		}
-		break;
-	case slang_oper_variable_decl:
-		{
-			GLuint i;
-			slang_operation assign;
-			GLboolean result;
-
-			/* Construct assignment expression placeholder. */
-			if (!slang_operation_construct (&assign))
-				return GL_FALSE;
-			assign.type = slang_oper_assign;
-			assign.children = (slang_operation *) slang_alloc_malloc (2 * sizeof (slang_operation));
-			if (assign.children == NULL)
-			{
-				slang_operation_destruct (&assign);
-				return GL_FALSE;
-			}
-			for (assign.num_children = 0; assign.num_children < 2; assign.num_children++)
-				if (!slang_operation_construct (&assign.children[assign.num_children]))
-				{
-					slang_operation_destruct (&assign);
-					return GL_FALSE;
-				}
-
-			result = GL_TRUE;
-			for (i = 0; i < op->num_children; i++)
-			{
-				slang_variable *var;
-
-				var = _slang_locate_variable (op->children[i].locals, op->children[i].a_id, GL_TRUE);
-				if (var == NULL)
-				{
-					result = GL_FALSE;
-					break;
-				}
-				if (var->initializer == NULL)
-					continue;
-
-				if (!slang_operation_copy (&assign.children[0], &op->children[i]) ||
-					!slang_operation_copy (&assign.children[1], var->initializer) ||
-					!_slang_assemble_assign (A, &assign, "=", slang_ref_forbid) ||
-					!_slang_cleanup_stack (A, &assign))
-				{
-					result = GL_FALSE;
-					break;
-				}
-			}
-			slang_operation_destruct (&assign);
-			if (!result)
-				return GL_FALSE;
-		}
-		break;
-	case slang_oper_asm:
-		{
-			GLuint i;
-
-			if (!_slang_assemble_operation (A, &op->children[0], slang_ref_force))
-				return GL_FALSE;
-			for (i = 1; i < op->num_children; i++)
-				if (!_slang_assemble_operation (A, &op->children[i], slang_ref_forbid))
-					return GL_FALSE;
-			if (!call_asm_instruction (A, op->a_id))
-				return GL_FALSE;
-		}
-		break;
-	case slang_oper_break:
-		if (!PLAB (A->file, slang_asm_jump, A->flow.loop_end))
-			return GL_FALSE;
-		break;
-	case slang_oper_continue:
-		if (!PLAB (A->file, slang_asm_jump, A->flow.loop_start))
-			return GL_FALSE;
-		break;
-	case slang_oper_discard:
-		if (!PUSH (A->file, slang_asm_discard))
-			return GL_FALSE;
-		if (!PUSH (A->file, slang_asm_exit))
-			return GL_FALSE;
-		break;
-	case slang_oper_return:
-		if (A->local.ret_size != 0)
-		{
-			/* push the result's address */
-			if (!PLAB2 (A->file, slang_asm_local_addr, 0, A->local.ret_size))
-				return GL_FALSE;
-			if (!_slang_assemble_operation (A, &op->children[0], slang_ref_forbid))
-				return GL_FALSE;
-
-			A->swz.num_components = 0;
-			/* assign the operation to the function result (it was reserved on the stack) */
-			if (!_slang_assemble_assignment (A, op->children))
-				return GL_FALSE;
-
-			if (!PLAB (A->file, slang_asm_local_free, 4))
-				return GL_FALSE;
-		}
-		if (!PLAB (A->file, slang_asm_jump, A->flow.function_end))
-			return GL_FALSE;
-		break;
-	case slang_oper_expression:
-		if (ref == slang_ref_force)
-			return GL_FALSE;
-		if (!_slang_assemble_operation (A, &op->children[0], ref))
-			return GL_FALSE;
-		break;
-	case slang_oper_if:
-		if (!_slang_assemble_if (A, op))
-			return GL_FALSE;
-		break;
-	case slang_oper_while:
-		if (!_slang_assemble_while (A, op))
-			return GL_FALSE;
-		break;
-	case slang_oper_do:
-		if (!_slang_assemble_do (A, op))
-			return GL_FALSE;
-		break;
-	case slang_oper_for:
-		if (!_slang_assemble_for (A, op))
-			return GL_FALSE;
-		break;
-	case slang_oper_void:
-		break;
-	case slang_oper_literal_bool:
-		if (ref == slang_ref_force)
-			return GL_FALSE;
-		if (!PLIT (A->file, slang_asm_bool_push, op->literal))
-			return GL_FALSE;
-		A->ref = slang_ref_forbid;
-		break;
-	case slang_oper_literal_int:
-		if (ref == slang_ref_force)
-			return GL_FALSE;
-		if (!PLIT (A->file, slang_asm_int_push, op->literal))
-			return GL_FALSE;
-		A->ref = slang_ref_forbid;
-		break;
-	case slang_oper_literal_float:
-		if (ref == slang_ref_force)
-			return GL_FALSE;
-		if (!PLIT (A->file, slang_asm_float_push, op->literal))
-			return GL_FALSE;
-		A->ref = slang_ref_forbid;
-		break;
-	case slang_oper_identifier:
-		{
-			slang_variable *var;
-			GLuint size;
-
-			/* find the variable and calculate its size */
-			var = _slang_locate_variable (op->locals, op->a_id, GL_TRUE);
-			if (var == NULL)
-				return GL_FALSE;
-			size = 0;
-			if (!sizeof_variable (A, &var->type.specifier, slang_qual_none, var->array_len, &size))
-				return GL_FALSE;
-
-			/* prepare stack for dereferencing */
-			if (ref == slang_ref_forbid)
-				if (!PLAB2 (A->file, slang_asm_local_addr, A->local.addr_tmp, 4))
-					return GL_FALSE;
-
-			/* push the variable's address */
-			if (var->global)
-			{
-				if (!PLAB (A->file, slang_asm_global_addr, var->address))
-					return GL_FALSE;
-			}
-			else
-			{
-				if (!PLAB2 (A->file, slang_asm_local_addr, var->address, size))
-					return GL_FALSE;
-			}
-
-			/* perform the dereference */
-			if (ref == slang_ref_forbid)
-			{
-				if (!PUSH (A->file, slang_asm_addr_copy))
-					return GL_FALSE;
-				if (!PLAB (A->file, slang_asm_local_free, 4))
-					return GL_FALSE;
-				if (!_slang_dereference (A, op))
-					return GL_FALSE;
-			}
-		}
-		break;
-	case slang_oper_sequence:
-		if (ref == slang_ref_force)
-			return GL_FALSE;
-		if (!_slang_assemble_operation (A, &op->children[0], slang_ref_forbid/*slang_ref_freelance*/))
-			return GL_FALSE;
-		if (!_slang_cleanup_stack (A, &op->children[0]))
-			return GL_FALSE;
-		if (!_slang_assemble_operation (A, &op->children[1], slang_ref_forbid))
-			return GL_FALSE;
-		A->ref = slang_ref_forbid;
-		break;
-	case slang_oper_assign:
-		if (!_slang_assemble_assign (A, op, "=", ref))
-			return GL_FALSE;
-		break;
-	case slang_oper_addassign:
-		if (!_slang_assemble_assign (A, op, "+=", ref))
-			return GL_FALSE;
-		A->ref = ref;
-		break;
-	case slang_oper_subassign:
-		if (!_slang_assemble_assign (A, op, "-=", ref))
-			return GL_FALSE;
-		A->ref = ref;
-		break;
-	case slang_oper_mulassign:
-		if (!_slang_assemble_assign (A, op, "*=", ref))
-			return GL_FALSE;
-		A->ref = ref;
-		break;
-	/*case slang_oper_modassign:*/
-	/*case slang_oper_lshassign:*/
-	/*case slang_oper_rshassign:*/
-	/*case slang_oper_orassign:*/
-	/*case slang_oper_xorassign:*/
-	/*case slang_oper_andassign:*/
-	case slang_oper_divassign:
-		if (!_slang_assemble_assign (A, op, "/=", ref))
-			return GL_FALSE;
-		A->ref = ref;
-		break;
-	case slang_oper_select:
-		if (!_slang_assemble_select (A, op))
-			return GL_FALSE;
-		A->ref = slang_ref_forbid;
-		break;
-	case slang_oper_logicalor:
-		if (!_slang_assemble_logicalor (A, op))
-			return GL_FALSE;
-		A->ref = slang_ref_forbid;
-		break;
-	case slang_oper_logicaland:
-		if (!_slang_assemble_logicaland (A, op))
-			return GL_FALSE;
-		A->ref = slang_ref_forbid;
-		break;
-	case slang_oper_logicalxor:
-		if (!_slang_assemble_function_call_name (A, "^^", op->children, 2, GL_FALSE))
-			return GL_FALSE;
-		A->ref = slang_ref_forbid;
-		break;
-	/*case slang_oper_bitor:*/
-	/*case slang_oper_bitxor:*/
-	/*case slang_oper_bitand:*/
-	case slang_oper_less:
-		if (!_slang_assemble_function_call_name (A, "<", op->children, 2, GL_FALSE))
-			return GL_FALSE;
-		A->ref = slang_ref_forbid;
-		break;
-	case slang_oper_greater:
-		if (!_slang_assemble_function_call_name (A, ">", op->children, 2, GL_FALSE))
-			return GL_FALSE;
-		A->ref = slang_ref_forbid;
-		break;
-	case slang_oper_lessequal:
-		if (!_slang_assemble_function_call_name (A, "<=", op->children, 2, GL_FALSE))
-			return GL_FALSE;
-		A->ref = slang_ref_forbid;
-		break;
-	case slang_oper_greaterequal:
-		if (!_slang_assemble_function_call_name (A, ">=", op->children, 2, GL_FALSE))
-			return GL_FALSE;
-		A->ref = slang_ref_forbid;
-		break;
-	/*case slang_oper_lshift:*/
-	/*case slang_oper_rshift:*/
-	case slang_oper_add:
-		if (!_slang_assemble_function_call_name (A, "+", op->children, 2, GL_FALSE))
-			return GL_FALSE;
-		A->ref = slang_ref_forbid;
-		break;
-	case slang_oper_subtract:
-		if (!_slang_assemble_function_call_name (A, "-", op->children, 2, GL_FALSE))
-			return GL_FALSE;
-		A->ref = slang_ref_forbid;
-		break;
-	case slang_oper_multiply:
-		if (!_slang_assemble_function_call_name (A, "*", op->children, 2, GL_FALSE))
-			return GL_FALSE;
-		A->ref = slang_ref_forbid;
-		break;
-	/*case slang_oper_modulus:*/
-	case slang_oper_divide:
-		if (!_slang_assemble_function_call_name (A, "/", op->children, 2, GL_FALSE))
-			return GL_FALSE;
-		A->ref = slang_ref_forbid;
-		break;
-	case slang_oper_equal:
-		if (!_slang_assemble_operation (A, &op->children[0], slang_ref_forbid))
-			return GL_FALSE;
-		if (!_slang_assemble_operation (A, &op->children[1], slang_ref_forbid))
-			return GL_FALSE;
-		if (!equality (A, op->children, GL_TRUE))
-			return GL_FALSE;
-		A->ref = slang_ref_forbid;
-		break;
-	case slang_oper_notequal:
-		if (!_slang_assemble_operation (A, &op->children[0], slang_ref_forbid))
-			return GL_FALSE;
-		if (!_slang_assemble_operation (A, &op->children[1], slang_ref_forbid))
-			return GL_FALSE;
-		if (!equality (A, op->children, GL_FALSE))
-			return GL_FALSE;
-		A->ref = slang_ref_forbid;
-		break;
-	case slang_oper_preincrement:
-		if (!_slang_assemble_assign (A, op, "++", ref))
-			return GL_FALSE;
-		A->ref = ref;
-		break;
-	case slang_oper_predecrement:
-		if (!_slang_assemble_assign (A, op, "--", ref))
-			return GL_FALSE;
-		A->ref = ref;
-		break;
-	case slang_oper_plus:
-		if (!_slang_dereference (A, op))
-			return GL_FALSE;
-		A->ref = slang_ref_forbid;
-		break;
-	case slang_oper_minus:
-		if (!_slang_assemble_function_call_name (A, "-", op->children, 1, GL_FALSE))
-			return GL_FALSE;
-		A->ref = slang_ref_forbid;
-		break;
-	/*case slang_oper_complement:*/
-	case slang_oper_not:
-		if (!_slang_assemble_function_call_name (A, "!", op->children, 1, GL_FALSE))
-			return GL_FALSE;
-		A->ref = slang_ref_forbid;
-		break;
-	case slang_oper_subscript:
-		{
-			slang_assembly_typeinfo ti_arr, ti_elem;
-
-			if (!slang_assembly_typeinfo_construct (&ti_arr))
-				return GL_FALSE;
-			if (!slang_assembly_typeinfo_construct (&ti_elem))
-			{
-				slang_assembly_typeinfo_destruct (&ti_arr);
-				return GL_FALSE;
-			}
-			if (!handle_subscript (A, &ti_elem, &ti_arr, op, ref))
-			{
-				slang_assembly_typeinfo_destruct (&ti_arr);
-				slang_assembly_typeinfo_destruct (&ti_elem);
-				return GL_FALSE;
-			}
-			slang_assembly_typeinfo_destruct (&ti_arr);
-			slang_assembly_typeinfo_destruct (&ti_elem);
-		}
-		break;
-	case slang_oper_call:
-		{
-			slang_function *fun;
-
-			fun = _slang_locate_function (A->space.funcs, op->a_id, op->children, op->num_children,
-				&A->space, A->atoms);
-			if (fun == NULL)
-			{
-				if (!_slang_assemble_constructor (A, op))
-					return GL_FALSE;
-			}
-			else
-			{
-				if (!_slang_assemble_function_call (A, fun, op->children, op->num_children, GL_FALSE))
-					return GL_FALSE;
-			}
-			A->ref = slang_ref_forbid;
-		}
-		break;
-	case slang_oper_field:
-		{
-			slang_assembly_typeinfo ti_after, ti_before;
-
-			if (!slang_assembly_typeinfo_construct (&ti_after))
-				return GL_FALSE;
-			if (!slang_assembly_typeinfo_construct (&ti_before))
-			{
-				slang_assembly_typeinfo_destruct (&ti_after);
-				return GL_FALSE;
-			}
-			if (!handle_field (A, &ti_after, &ti_before, op, ref))
-			{
-				slang_assembly_typeinfo_destruct (&ti_after);
-				slang_assembly_typeinfo_destruct (&ti_before);
-				return GL_FALSE;
-			}
-			slang_assembly_typeinfo_destruct (&ti_after);
-			slang_assembly_typeinfo_destruct (&ti_before);
-		}
-		break;
-	case slang_oper_postincrement:
-		if (!assemble_function_call_name_dummyint (A, "++", op->children))
-			return GL_FALSE;
-		A->ref = slang_ref_forbid;
-		break;
-	case slang_oper_postdecrement:
-		if (!assemble_function_call_name_dummyint (A, "--", op->children))
-			return GL_FALSE;
-		A->ref = slang_ref_forbid;
-		break;
-	default:
-		return GL_FALSE;
-	}
-
-	return GL_TRUE;
-}
+   /* set default results */
+   A->ref = /*(ref == slang_ref_freelance) ? slang_ref_force : */ ref;
+   A->swz.num_components = 0;
+
+   switch (op->type) {
+   case slang_oper_block_no_new_scope:
+   case slang_oper_block_new_scope:
+      {
+         GLuint i;
+
+         for (i = 0; i < op->num_children; i++) {
+            if (!_slang_assemble_operation
+                (A, &op->children[i],
+                 slang_ref_forbid /*slang_ref_freelance */ ))
+               return GL_FALSE;
+            if (!_slang_cleanup_stack(A, &op->children[i]))
+               return GL_FALSE;
+         }
+      }
+      break;
+   case slang_oper_variable_decl:
+      {
+         GLuint i;
+         slang_operation assign;
+         GLboolean result;
+
+         /* Construct assignment expression placeholder. */
+         if (!slang_operation_construct(&assign))
+            return GL_FALSE;
+         assign.type = slang_oper_assign;
+         assign.children =
+            (slang_operation *) slang_alloc_malloc(2 *
+                                                   sizeof(slang_operation));
+         if (assign.children == NULL) {
+            slang_operation_destruct(&assign);
+            return GL_FALSE;
+         }
+         for (assign.num_children = 0; assign.num_children < 2;
+              assign.num_children++)
+            if (!slang_operation_construct
+                (&assign.children[assign.num_children])) {
+               slang_operation_destruct(&assign);
+               return GL_FALSE;
+            }
+
+         result = GL_TRUE;
+         for (i = 0; i < op->num_children; i++) {
+            slang_variable *var;
+
+            var =
+               _slang_locate_variable(op->children[i].locals,
+                                      op->children[i].a_id, GL_TRUE);
+            if (var == NULL) {
+               result = GL_FALSE;
+               break;
+            }
+            if (var->initializer == NULL)
+               continue;
+
+            if (!slang_operation_copy(&assign.children[0], &op->children[i])
+                || !slang_operation_copy(&assign.children[1],
+                                         var->initializer)
+                || !_slang_assemble_assign(A, &assign, "=", slang_ref_forbid)
+                || !_slang_cleanup_stack(A, &assign)) {
+               result = GL_FALSE;
+               break;
+            }
+         }
+         slang_operation_destruct(&assign);
+         if (!result)
+            return GL_FALSE;
+      }
+      break;
+   case slang_oper_asm:
+      {
+         GLuint i;
+         if (!_slang_assemble_operation(A, &op->children[0], slang_ref_force))
+            return GL_FALSE;
+         for (i = 1; i < op->num_children; i++)
+            if (!_slang_assemble_operation
+                (A, &op->children[i], slang_ref_forbid))
+               return GL_FALSE;
+         if (!call_asm_instruction(A, op->a_id))
+            return GL_FALSE;
+      }
+      break;
+   case slang_oper_break:
+      if (!PLAB(A->file, slang_asm_jump, A->flow.loop_end))
+         return GL_FALSE;
+      break;
+   case slang_oper_continue:
+      if (!PLAB(A->file, slang_asm_jump, A->flow.loop_start))
+         return GL_FALSE;
+      break;
+   case slang_oper_discard:
+      if (!PUSH(A->file, slang_asm_discard))
+         return GL_FALSE;
+      if (!PUSH(A->file, slang_asm_exit))
+         return GL_FALSE;
+      break;
+   case slang_oper_return:
+      if (A->local.ret_size != 0) {
+         /* push the result's address */
+         if (!PLAB2(A->file, slang_asm_local_addr, 0, A->local.ret_size))
+            return GL_FALSE;
+         if (!_slang_assemble_operation
+             (A, &op->children[0], slang_ref_forbid))
+            return GL_FALSE;
+
+         A->swz.num_components = 0;
+         /* assign the operation to the function result (it was reserved on the stack) */
+         if (!_slang_assemble_assignment(A, op->children))
+            return GL_FALSE;
+
+         if (!PLAB(A->file, slang_asm_local_free, 4))
+            return GL_FALSE;
+      }
+      if (!PLAB(A->file, slang_asm_jump, A->flow.function_end))
+         return GL_FALSE;
+      break;
+   case slang_oper_expression:
+      if (ref == slang_ref_force)
+         return GL_FALSE;
+      if (!_slang_assemble_operation(A, &op->children[0], ref))
+         return GL_FALSE;
+      break;
+   case slang_oper_if:
+      if (!_slang_assemble_if(A, op))
+         return GL_FALSE;
+      break;
+   case slang_oper_while:
+      if (!_slang_assemble_while(A, op))
+         return GL_FALSE;
+      break;
+   case slang_oper_do:
+      if (!_slang_assemble_do(A, op))
+         return GL_FALSE;
+      break;
+   case slang_oper_for:
+      if (!_slang_assemble_for(A, op))
+         return GL_FALSE;
+      break;
+   case slang_oper_void:
+      break;
+   case slang_oper_literal_bool:
+      if (ref == slang_ref_force)
+         return GL_FALSE;
+      if (!PLIT(A->file, slang_asm_bool_push, op->literal))
+         return GL_FALSE;
+      A->ref = slang_ref_forbid;
+      break;
+   case slang_oper_literal_int:
+      if (ref == slang_ref_force)
+         return GL_FALSE;
+      if (!PLIT(A->file, slang_asm_int_push, op->literal))
+         return GL_FALSE;
+      A->ref = slang_ref_forbid;
+      break;
+   case slang_oper_literal_float:
+      if (ref == slang_ref_force)
+         return GL_FALSE;
+      if (!PLIT(A->file, slang_asm_float_push, op->literal))
+         return GL_FALSE;
+      A->ref = slang_ref_forbid;
+      break;
+   case slang_oper_identifier:
+      {
+         slang_variable *var;
+         GLuint size;
+
+         /* find the variable and calculate its size */
+         var = _slang_locate_variable(op->locals, op->a_id, GL_TRUE);
+         if (var == NULL)
+            return GL_FALSE;
+         size = 0;
+         if (!sizeof_variable
+             (A, &var->type.specifier, slang_qual_none, var->array_len,
+              &size))
+            return GL_FALSE;
+
+         /* prepare stack for dereferencing */
+         if (ref == slang_ref_forbid)
+            if (!PLAB2(A->file, slang_asm_local_addr, A->local.addr_tmp, 4))
+               return GL_FALSE;
+
+         /* push the variable's address */
+         if (var->global) {
+            if (!PLAB(A->file, slang_asm_global_addr, var->address))
+               return GL_FALSE;
+         }
+         else {
+            if (!PLAB2(A->file, slang_asm_local_addr, var->address, size))
+               return GL_FALSE;
+         }
 
+         /* perform the dereference */
+         if (ref == slang_ref_forbid) {
+            if (!PUSH(A->file, slang_asm_addr_copy))
+               return GL_FALSE;
+            if (!PLAB(A->file, slang_asm_local_free, 4))
+               return GL_FALSE;
+            if (!_slang_dereference(A, op))
+               return GL_FALSE;
+         }
+      }
+      break;
+   case slang_oper_sequence:
+      if (ref == slang_ref_force)
+         return GL_FALSE;
+      if (!_slang_assemble_operation(A, &op->children[0],
+                                     slang_ref_forbid /*slang_ref_freelance */ ))
+         return GL_FALSE;
+      if (!_slang_cleanup_stack(A, &op->children[0]))
+         return GL_FALSE;
+      if (!_slang_assemble_operation(A, &op->children[1], slang_ref_forbid))
+         return GL_FALSE;
+      A->ref = slang_ref_forbid;
+      break;
+   case slang_oper_assign:
+      if (!_slang_assemble_assign(A, op, "=", ref))
+         return GL_FALSE;
+      break;
+   case slang_oper_addassign:
+      if (!_slang_assemble_assign(A, op, "+=", ref))
+         return GL_FALSE;
+      A->ref = ref;
+      break;
+   case slang_oper_subassign:
+      if (!_slang_assemble_assign(A, op, "-=", ref))
+         return GL_FALSE;
+      A->ref = ref;
+      break;
+   case slang_oper_mulassign:
+      if (!_slang_assemble_assign(A, op, "*=", ref))
+         return GL_FALSE;
+      A->ref = ref;
+      break;
+      /*case slang_oper_modassign: */
+      /*case slang_oper_lshassign: */
+      /*case slang_oper_rshassign: */
+      /*case slang_oper_orassign: */
+      /*case slang_oper_xorassign: */
+      /*case slang_oper_andassign: */
+   case slang_oper_divassign:
+      if (!_slang_assemble_assign(A, op, "/=", ref))
+         return GL_FALSE;
+      A->ref = ref;
+      break;
+   case slang_oper_select:
+      if (!_slang_assemble_select(A, op))
+         return GL_FALSE;
+      A->ref = slang_ref_forbid;
+      break;
+   case slang_oper_logicalor:
+      if (!_slang_assemble_logicalor(A, op))
+         return GL_FALSE;
+      A->ref = slang_ref_forbid;
+      break;
+   case slang_oper_logicaland:
+      if (!_slang_assemble_logicaland(A, op))
+         return GL_FALSE;
+      A->ref = slang_ref_forbid;
+      break;
+   case slang_oper_logicalxor:
+      if (!_slang_assemble_function_call_name(A, "^^", op->children, 2, GL_FALSE))
+         return GL_FALSE;
+      A->ref = slang_ref_forbid;
+      break;
+      /*case slang_oper_bitor: */
+      /*case slang_oper_bitxor: */
+      /*case slang_oper_bitand: */
+   case slang_oper_less:
+      if (!_slang_assemble_function_call_name(A, "<", op->children, 2, GL_FALSE))
+         return GL_FALSE;
+      A->ref = slang_ref_forbid;
+      break;
+   case slang_oper_greater:
+      if (!_slang_assemble_function_call_name(A, ">", op->children, 2, GL_FALSE))
+         return GL_FALSE;
+      A->ref = slang_ref_forbid;
+      break;
+   case slang_oper_lessequal:
+      if (!_slang_assemble_function_call_name(A, "<=", op->children, 2, GL_FALSE))
+         return GL_FALSE;
+      A->ref = slang_ref_forbid;
+      break;
+   case slang_oper_greaterequal:
+      if (!_slang_assemble_function_call_name(A, ">=", op->children, 2, GL_FALSE))
+         return GL_FALSE;
+      A->ref = slang_ref_forbid;
+      break;
+      /*case slang_oper_lshift: */
+      /*case slang_oper_rshift: */
+   case slang_oper_add:
+      if (!_slang_assemble_function_call_name(A, "+", op->children, 2, GL_FALSE))
+         return GL_FALSE;
+      A->ref = slang_ref_forbid;
+      break;
+   case slang_oper_subtract:
+      if (!_slang_assemble_function_call_name(A, "-", op->children, 2, GL_FALSE))
+         return GL_FALSE;
+      A->ref = slang_ref_forbid;
+      break;
+   case slang_oper_multiply:
+      if (!_slang_assemble_function_call_name(A, "*", op->children, 2, GL_FALSE))
+         return GL_FALSE;
+      A->ref = slang_ref_forbid;
+      break;
+      /*case slang_oper_modulus: */
+   case slang_oper_divide:
+      if (!_slang_assemble_function_call_name(A, "/", op->children, 2, GL_FALSE))
+         return GL_FALSE;
+      A->ref = slang_ref_forbid;
+      break;
+   case slang_oper_equal:
+      if (!_slang_assemble_operation(A, &op->children[0], slang_ref_forbid))
+         return GL_FALSE;
+      if (!_slang_assemble_operation(A, &op->children[1], slang_ref_forbid))
+         return GL_FALSE;
+      if (!equality(A, op->children, GL_TRUE))
+         return GL_FALSE;
+      A->ref = slang_ref_forbid;
+      break;
+   case slang_oper_notequal:
+      if (!_slang_assemble_operation(A, &op->children[0], slang_ref_forbid))
+         return GL_FALSE;
+      if (!_slang_assemble_operation(A, &op->children[1], slang_ref_forbid))
+         return GL_FALSE;
+      if (!equality(A, op->children, GL_FALSE))
+         return GL_FALSE;
+      A->ref = slang_ref_forbid;
+      break;
+   case slang_oper_preincrement:
+      if (!_slang_assemble_assign(A, op, "++", ref))
+         return GL_FALSE;
+      A->ref = ref;
+      break;
+   case slang_oper_predecrement:
+      if (!_slang_assemble_assign(A, op, "--", ref))
+         return GL_FALSE;
+      A->ref = ref;
+      break;
+   case slang_oper_plus:
+      if (!_slang_dereference(A, op))
+         return GL_FALSE;
+      A->ref = slang_ref_forbid;
+      break;
+   case slang_oper_minus:
+      if (!_slang_assemble_function_call_name
+          (A, "-", op->children, 1, GL_FALSE))
+         return GL_FALSE;
+      A->ref = slang_ref_forbid;
+      break;
+      /*case slang_oper_complement: */
+   case slang_oper_not:
+      if (!_slang_assemble_function_call_name
+          (A, "!", op->children, 1, GL_FALSE))
+         return GL_FALSE;
+      A->ref = slang_ref_forbid;
+      break;
+   case slang_oper_subscript:
+      {
+         slang_assembly_typeinfo ti_arr, ti_elem;
+
+         if (!slang_assembly_typeinfo_construct(&ti_arr))
+            return GL_FALSE;
+         if (!slang_assembly_typeinfo_construct(&ti_elem)) {
+            slang_assembly_typeinfo_destruct(&ti_arr);
+            return GL_FALSE;
+         }
+         if (!handle_subscript(A, &ti_elem, &ti_arr, op, ref)) {
+            slang_assembly_typeinfo_destruct(&ti_arr);
+            slang_assembly_typeinfo_destruct(&ti_elem);
+            return GL_FALSE;
+         }
+         slang_assembly_typeinfo_destruct(&ti_arr);
+         slang_assembly_typeinfo_destruct(&ti_elem);
+      }
+      break;
+   case slang_oper_call:
+      {
+         slang_function *fun;
+
+         fun =
+            _slang_locate_function(A->space.funcs, op->a_id, op->children,
+                                   op->num_children, &A->space, A->atoms);
+         if (fun == NULL) {
+            if (!_slang_assemble_constructor(A, op))
+               return GL_FALSE;
+         }
+         else {
+            if (!_slang_assemble_function_call
+                (A, fun, op->children, op->num_children, GL_FALSE))
+               return GL_FALSE;
+         }
+         A->ref = slang_ref_forbid;
+      }
+      break;
+   case slang_oper_field:
+      {
+         slang_assembly_typeinfo ti_after, ti_before;
+
+         if (!slang_assembly_typeinfo_construct(&ti_after))
+            return GL_FALSE;
+         if (!slang_assembly_typeinfo_construct(&ti_before)) {
+            slang_assembly_typeinfo_destruct(&ti_after);
+            return GL_FALSE;
+         }
+         if (!handle_field(A, &ti_after, &ti_before, op, ref)) {
+            slang_assembly_typeinfo_destruct(&ti_after);
+            slang_assembly_typeinfo_destruct(&ti_before);
+            return GL_FALSE;
+         }
+         slang_assembly_typeinfo_destruct(&ti_after);
+         slang_assembly_typeinfo_destruct(&ti_before);
+      }
+      break;
+   case slang_oper_postincrement:
+      if (!assemble_function_call_name_dummyint(A, "++", op->children))
+         return GL_FALSE;
+      A->ref = slang_ref_forbid;
+      break;
+   case slang_oper_postdecrement:
+      if (!assemble_function_call_name_dummyint(A, "--", op->children))
+         return GL_FALSE;
+      A->ref = slang_ref_forbid;
+      break;
+   default:
+      return GL_FALSE;
+   }
+
+   return GL_TRUE;
+}
diff --git a/src/mesa/shader/slang/slang_execute_x86.c b/src/mesa/shader/slang/slang_execute_x86.c
index 3e21edff6a..958086ff07 100644
--- a/src/mesa/shader/slang/slang_execute_x86.c
+++ b/src/mesa/shader/slang/slang_execute_x86.c
@@ -40,40 +40,42 @@
 
 typedef struct
 {
-	GLuint index;
-	GLubyte *csr;
+   GLuint index;
+   GLubyte *csr;
 } fixup;
 
 typedef struct
 {
-	struct x86_function f;
-	struct x86_reg r_eax;
-	struct x86_reg r_ecx;
-	struct x86_reg r_edx;
+   struct x86_function f;
+   struct x86_reg r_eax;
+   struct x86_reg r_ecx;
+   struct x86_reg r_edx;
    struct x86_reg r_ebx;
-	struct x86_reg r_esp;
-	struct x86_reg r_ebp;
-	struct x86_reg r_st0;
-	struct x86_reg r_st1;
-	struct x86_reg r_st2;
-	struct x86_reg r_st3;
+   struct x86_reg r_esp;
+   struct x86_reg r_ebp;
+   struct x86_reg r_st0;
+   struct x86_reg r_st1;
+   struct x86_reg r_st2;
+   struct x86_reg r_st3;
    struct x86_reg r_st4;
-	fixup *fixups;
-	GLuint fixup_count;
-	GLubyte **labels;
-	slang_machine *mach;
-	GLubyte *l_discard;
-	GLubyte *l_exit;
-	GLshort fpucntl;
+   fixup *fixups;
+   GLuint fixup_count;
+   GLubyte **labels;
+   slang_machine *mach;
+   GLubyte *l_discard;
+   GLubyte *l_exit;
+   GLshort fpucntl;
 } codegen_ctx;
 
-static GLvoid add_fixup (codegen_ctx *G, GLuint index, GLubyte *csr)
+static GLvoid
+add_fixup(codegen_ctx * G, GLuint index, GLubyte * csr)
 {
-	G->fixups = (fixup *) slang_alloc_realloc (G->fixups, G->fixup_count * sizeof (fixup),
-		(G->fixup_count + 1) * sizeof (fixup));
-	G->fixups[G->fixup_count].index = index;
-	G->fixups[G->fixup_count].csr = csr;
-	G->fixup_count++;
+   G->fixups =
+      (fixup *) slang_alloc_realloc(G->fixups, G->fixup_count * sizeof(fixup),
+                                    (G->fixup_count + 1) * sizeof(fixup));
+   G->fixups[G->fixup_count].index = index;
+   G->fixups[G->fixup_count].csr = csr;
+   G->fixup_count++;
 }
 
 #ifdef NO_FAST_MATH
@@ -88,661 +90,665 @@ static GLvoid add_fixup (codegen_ctx *G, GLuint index, GLubyte *csr)
 
 /*
  * XXX
- * These should produce a valid code that computes powers. Unfortunately, it does not.
+ * These should produce a valid code that computes powers.
+ * Unfortunately, it does not.
  */
-static void set_fpu_round_neg_inf (codegen_ctx *G)
+static void
+set_fpu_round_neg_inf(codegen_ctx * G)
 {
-	if (G->fpucntl != RND_NEG_FPU)
-	{
-		G->fpucntl = RND_NEG_FPU;
-		x87_fnclex (&G->f);
-		x86_mov_reg_imm (&G->f, G->r_eax, (GLint) &G->mach->x86.fpucntl_rnd_neg);
-		x87_fldcw (&G->f, x86_deref (G->r_eax));
-	}
+   if (G->fpucntl != RND_NEG_FPU) {
+      G->fpucntl = RND_NEG_FPU;
+      x87_fnclex(&G->f);
+      x86_mov_reg_imm(&G->f, G->r_eax,
+                      (GLint) & G->mach->x86.fpucntl_rnd_neg);
+      x87_fldcw(&G->f, x86_deref(G->r_eax));
+   }
 }
 
-static void emit_x87_ex2 (codegen_ctx *G)
+static void
+emit_x87_ex2(codegen_ctx * G)
 {
-	set_fpu_round_neg_inf (G);
-
-	x87_fld (&G->f, G->r_st0);	/* a a */
-	x87_fprndint (&G->f);		/* int(a) a */
-	x87_fld (&G->f, G->r_st0);	/* int(a) int(a) a */
-	x87_fstp (&G->f, G->r_st3);	/* int(a) a int(a)*/
-	x87_fsubp (&G->f, G->r_st1);/* frac(a) int(a) */
-	x87_f2xm1 (&G->f);			/* (2^frac(a))-1 int(a)*/
-	x87_fld1 (&G->f);			/* 1 (2^frac(a))-1 int(a)*/
-	x87_faddp (&G->f, G->r_st1);/* 2^frac(a) int(a) */
-	x87_fscale (&G->f);			/* 2^a */
+   set_fpu_round_neg_inf(G);
+
+   x87_fld(&G->f, G->r_st0);    /* a a */
+   x87_fprndint(&G->f);         /* int(a) a */
+   x87_fld(&G->f, G->r_st0);    /* int(a) int(a) a */
+   x87_fstp(&G->f, G->r_st3);   /* int(a) a int(a) */
+   x87_fsubp(&G->f, G->r_st1);  /* frac(a) int(a) */
+   x87_f2xm1(&G->f);            /* (2^frac(a))-1 int(a) */
+   x87_fld1(&G->f);             /* 1 (2^frac(a))-1 int(a) */
+   x87_faddp(&G->f, G->r_st1);  /* 2^frac(a) int(a) */
+   x87_fscale(&G->f);           /* 2^a */
 }
 
-static void emit_pow (codegen_ctx *G)
+static void
+emit_pow(codegen_ctx * G)
 {
-	x87_fld (&G->f, x86_deref (G->r_esp));
-	x87_fld (&G->f, x86_make_disp (G->r_esp, 4));
-	x87_fyl2x (&G->f);
-	emit_x87_ex2 (G);
+   x87_fld(&G->f, x86_deref(G->r_esp));
+   x87_fld(&G->f, x86_make_disp(G->r_esp, 4));
+   x87_fyl2x(&G->f);
+   emit_x87_ex2(G);
 }
 
 #endif
 
-static GLfloat do_ceilf (GLfloat x)
+static GLfloat
+do_ceilf(GLfloat x)
 {
-	return CEILF (x);
+   return CEILF(x);
 }
 
-static GLfloat do_floorf (GLfloat x)
+static GLfloat
+do_floorf(GLfloat x)
 {
-	return FLOORF (x);
+   return FLOORF(x);
 }
 
 static GLfloat
-do_ftoi (GLfloat x)
+do_ftoi(GLfloat x)
 {
    return (GLfloat) ((GLint) (x));
 }
 
-static GLfloat do_powf (GLfloat y, GLfloat x)
+static GLfloat
+do_powf(GLfloat y, GLfloat x)
 {
-	return (GLfloat) _mesa_pow ((GLdouble) x, (GLdouble) y);
+   return (GLfloat) _mesa_pow((GLdouble) x, (GLdouble) y);
 }
 
 static GLvoid
-ensure_infolog_created (slang_info_log **infolog)
+ensure_infolog_created(slang_info_log ** infolog)
 {
    if (*infolog == NULL) {
-      *infolog = slang_alloc_malloc (sizeof (slang_info_log));
+      *infolog = slang_alloc_malloc(sizeof(slang_info_log));
       if (*infolog == NULL)
          return;
-      slang_info_log_construct (*infolog);
+      slang_info_log_construct(*infolog);
    }
 }
 
-static GLvoid do_print_float (slang_info_log **infolog, GLfloat x)
+static GLvoid
+do_print_float(slang_info_log ** infolog, GLfloat x)
 {
-   _mesa_printf ("slang print: %f\n", x);
-   ensure_infolog_created (infolog);
-   slang_info_log_print (*infolog, "%f", x);
+   _mesa_printf("slang print: %f\n", x);
+   ensure_infolog_created(infolog);
+   slang_info_log_print(*infolog, "%f", x);
 }
 
-static GLvoid do_print_int (slang_info_log **infolog, GLfloat x)
+static GLvoid
+do_print_int(slang_info_log ** infolog, GLfloat x)
 {
-   _mesa_printf ("slang print: %d\n", (GLint) (x));
-   ensure_infolog_created (infolog);
-   slang_info_log_print (*infolog, "%d", (GLint) (x));
+   _mesa_printf("slang print: %d\n", (GLint) (x));
+   ensure_infolog_created(infolog);
+   slang_info_log_print(*infolog, "%d", (GLint) (x));
 }
 
-static GLvoid do_print_bool (slang_info_log **infolog, GLfloat x)
+static GLvoid
+do_print_bool(slang_info_log ** infolog, GLfloat x)
 {
-   _mesa_printf ("slang print: %s\n", (GLint) (x) ? "true" : "false");
-   ensure_infolog_created (infolog);
-   slang_info_log_print (*infolog, "%s", (GLint) (x) ? "true" : "false");
+   _mesa_printf("slang print: %s\n", (GLint) (x) ? "true" : "false");
+   ensure_infolog_created(infolog);
+   slang_info_log_print(*infolog, "%s", (GLint) (x) ? "true" : "false");
 }
 
 #define FLOAT_ONE 0x3f800000
 #define FLOAT_ZERO 0
 
-static GLvoid codegen_assem (codegen_ctx *G, slang_assembly *a, slang_info_log **infolog)
+static GLvoid
+codegen_assem(codegen_ctx * G, slang_assembly * a, slang_info_log ** infolog)
 {
-	GLint disp, i;
-
-	switch (a->type)
-	{
-	case slang_asm_none:
-		break;
-	case slang_asm_float_copy:
-	case slang_asm_int_copy:
-	case slang_asm_bool_copy:
-		x86_mov (&G->f, G->r_eax, x86_make_disp (G->r_esp, a->param[0]));
-		x86_pop (&G->f, G->r_ecx);
-		x86_mov (&G->f, x86_make_disp (G->r_eax, a->param[1]), G->r_ecx);
-		break;
-	case slang_asm_float_move:
-	case slang_asm_int_move:
-	case slang_asm_bool_move:
-		x86_lea (&G->f, G->r_eax, x86_make_disp (G->r_esp, a->param[1]));
-		x86_add (&G->f, G->r_eax, x86_deref (G->r_esp));
-		x86_mov (&G->f, G->r_eax, x86_deref (G->r_eax));
-		x86_mov (&G->f, x86_make_disp (G->r_esp, a->param[0]), G->r_eax);
-		break;
-	case slang_asm_float_push:
-	case slang_asm_int_push:
-	case slang_asm_bool_push:
-		/* TODO: use push imm32 */
-		x86_mov_reg_imm (&G->f, G->r_eax, *((GLint *) &a->literal));
-		x86_push (&G->f, G->r_eax);
-		break;
-	case slang_asm_float_deref:
-	case slang_asm_int_deref:
-	case slang_asm_bool_deref:
-	case slang_asm_addr_deref:
-		x86_mov (&G->f, G->r_eax, x86_deref (G->r_esp));
-		x86_mov (&G->f, G->r_eax, x86_deref (G->r_eax));
-		x86_mov (&G->f, x86_deref (G->r_esp), G->r_eax);
-		break;
-	case slang_asm_float_add:
-		x87_fld (&G->f, x86_make_disp (G->r_esp, 4));
-		x87_fld (&G->f, x86_deref (G->r_esp));
-		x87_faddp (&G->f, G->r_st1);
-		x86_lea (&G->f, G->r_esp, x86_make_disp (G->r_esp, 4));
-		x87_fstp (&G->f, x86_deref (G->r_esp));
-		break;
-	case slang_asm_float_multiply:
-		x87_fld (&G->f, x86_make_disp (G->r_esp, 4));
-		x87_fld (&G->f, x86_deref (G->r_esp));
-		x87_fmulp (&G->f, G->r_st1);
-		x86_lea (&G->f, G->r_esp, x86_make_disp (G->r_esp, 4));
-		x87_fstp (&G->f, x86_deref (G->r_esp));
-		break;
-	case slang_asm_float_divide:
-		x87_fld (&G->f, x86_make_disp (G->r_esp, 4));
-		x87_fld (&G->f, x86_deref (G->r_esp));
-		x87_fdivp (&G->f, G->r_st1);
-		x86_lea (&G->f, G->r_esp, x86_make_disp (G->r_esp, 4));
-		x87_fstp (&G->f, x86_deref (G->r_esp));
-		break;
-	case slang_asm_float_negate:
-		x87_fld (&G->f, x86_deref (G->r_esp));
-		x87_fchs (&G->f);
-		x87_fstp (&G->f, x86_deref (G->r_esp));
-		break;
-	case slang_asm_float_less:
-		x87_fld (&G->f, x86_make_disp (G->r_esp, 4));
-		x87_fcomp (&G->f, x86_deref (G->r_esp));
-		x87_fnstsw (&G->f, G->r_eax);
-		/* TODO: use test r8,imm8 */
-		x86_mov_reg_imm (&G->f, G->r_ecx, 0x100);
-		x86_test (&G->f, G->r_eax, G->r_ecx);
-		{
-			GLubyte *lab0, *lab1;
-
-			/* TODO: use jcc rel8 */
-			lab0 = x86_jcc_forward (&G->f, cc_E);
-			x86_mov_reg_imm (&G->f, G->r_ecx, FLOAT_ONE);
-			/* TODO: use jmp rel8 */
-			lab1 = x86_jmp_forward (&G->f);
-			x86_fixup_fwd_jump (&G->f, lab0);
-			x86_mov_reg_imm (&G->f, G->r_ecx, FLOAT_ZERO);
-			x86_fixup_fwd_jump (&G->f, lab1);
-			x86_lea (&G->f, G->r_esp, x86_make_disp (G->r_esp, 4));
-			x86_mov (&G->f, x86_deref (G->r_esp), G->r_ecx);
-		}
-		break;
-	case slang_asm_float_equal_exp:
-		x87_fld (&G->f, x86_make_disp (G->r_esp, 4));
-		x87_fcomp (&G->f, x86_deref (G->r_esp));
-		x87_fnstsw (&G->f, G->r_eax);
-		/* TODO: use test r8,imm8 */
-		x86_mov_reg_imm (&G->f, G->r_ecx, 0x4000);
-		x86_test (&G->f, G->r_eax, G->r_ecx);
-		{
-			GLubyte *lab0, *lab1;
-
-			/* TODO: use jcc rel8 */
-			lab0 = x86_jcc_forward (&G->f, cc_E);
-			x86_mov_reg_imm (&G->f, G->r_ecx, FLOAT_ONE);
-			/* TODO: use jmp rel8 */
-			lab1 = x86_jmp_forward (&G->f);
-			x86_fixup_fwd_jump (&G->f, lab0);
-			x86_mov_reg_imm (&G->f, G->r_ecx, FLOAT_ZERO);
-			x86_fixup_fwd_jump (&G->f, lab1);
-			x86_lea (&G->f, G->r_esp, x86_make_disp (G->r_esp, 4));
-			x86_mov (&G->f, x86_deref (G->r_esp), G->r_ecx);
-		}
-		break;
-	case slang_asm_float_equal_int:
-		x86_lea (&G->f, G->r_esp, x86_make_disp (G->r_esp, -4));
-		x87_fld (&G->f, x86_make_disp (G->r_esp, a->param[0] + 4));
-		x87_fcomp (&G->f, x86_make_disp (G->r_esp, a->param[1] + 4));
-		x87_fnstsw (&G->f, G->r_eax);
-		/* TODO: use test r8,imm8 */
-		x86_mov_reg_imm (&G->f, G->r_ecx, 0x4000);
-		x86_test (&G->f, G->r_eax, G->r_ecx);
-		{
-			GLubyte *lab0, *lab1;
-
-			/* TODO: use jcc rel8 */
-			lab0 = x86_jcc_forward (&G->f, cc_E);
-			x86_mov_reg_imm (&G->f, G->r_ecx, FLOAT_ONE);
-			/* TODO: use jmp rel8 */
-			lab1 = x86_jmp_forward (&G->f);
-			x86_fixup_fwd_jump (&G->f, lab0);
-			x86_mov_reg_imm (&G->f, G->r_ecx, FLOAT_ZERO);
-			x86_fixup_fwd_jump (&G->f, lab1);
-			x86_mov (&G->f, x86_deref (G->r_esp), G->r_ecx);
-		}
-		break;
-	case slang_asm_float_to_int:
+   GLint disp, i;
+
+   switch (a->type) {
+   case slang_asm_none:
+      break;
+   case slang_asm_float_copy:
+   case slang_asm_int_copy:
+   case slang_asm_bool_copy:
+      x86_mov(&G->f, G->r_eax, x86_make_disp(G->r_esp, a->param[0]));
+      x86_pop(&G->f, G->r_ecx);
+      x86_mov(&G->f, x86_make_disp(G->r_eax, a->param[1]), G->r_ecx);
+      break;
+   case slang_asm_float_move:
+   case slang_asm_int_move:
+   case slang_asm_bool_move:
+      x86_lea(&G->f, G->r_eax, x86_make_disp(G->r_esp, a->param[1]));
+      x86_add(&G->f, G->r_eax, x86_deref(G->r_esp));
+      x86_mov(&G->f, G->r_eax, x86_deref(G->r_eax));
+      x86_mov(&G->f, x86_make_disp(G->r_esp, a->param[0]), G->r_eax);
+      break;
+   case slang_asm_float_push:
+   case slang_asm_int_push:
+   case slang_asm_bool_push:
+      /* TODO: use push imm32 */
+      x86_mov_reg_imm(&G->f, G->r_eax, *((GLint *) & a->literal));
+      x86_push(&G->f, G->r_eax);
+      break;
+   case slang_asm_float_deref:
+   case slang_asm_int_deref:
+   case slang_asm_bool_deref:
+   case slang_asm_addr_deref:
+      x86_mov(&G->f, G->r_eax, x86_deref(G->r_esp));
+      x86_mov(&G->f, G->r_eax, x86_deref(G->r_eax));
+      x86_mov(&G->f, x86_deref(G->r_esp), G->r_eax);
+      break;
+   case slang_asm_float_add:
+      x87_fld(&G->f, x86_make_disp(G->r_esp, 4));
+      x87_fld(&G->f, x86_deref(G->r_esp));
+      x87_faddp(&G->f, G->r_st1);
+      x86_lea(&G->f, G->r_esp, x86_make_disp(G->r_esp, 4));
+      x87_fstp(&G->f, x86_deref(G->r_esp));
+      break;
+   case slang_asm_float_multiply:
+      x87_fld(&G->f, x86_make_disp(G->r_esp, 4));
+      x87_fld(&G->f, x86_deref(G->r_esp));
+      x87_fmulp(&G->f, G->r_st1);
+      x86_lea(&G->f, G->r_esp, x86_make_disp(G->r_esp, 4));
+      x87_fstp(&G->f, x86_deref(G->r_esp));
+      break;
+   case slang_asm_float_divide:
+      x87_fld(&G->f, x86_make_disp(G->r_esp, 4));
+      x87_fld(&G->f, x86_deref(G->r_esp));
+      x87_fdivp(&G->f, G->r_st1);
+      x86_lea(&G->f, G->r_esp, x86_make_disp(G->r_esp, 4));
+      x87_fstp(&G->f, x86_deref(G->r_esp));
+      break;
+   case slang_asm_float_negate:
+      x87_fld(&G->f, x86_deref(G->r_esp));
+      x87_fchs(&G->f);
+      x87_fstp(&G->f, x86_deref(G->r_esp));
+      break;
+   case slang_asm_float_less:
+      x87_fld(&G->f, x86_make_disp(G->r_esp, 4));
+      x87_fcomp(&G->f, x86_deref(G->r_esp));
+      x87_fnstsw(&G->f, G->r_eax);
+      /* TODO: use test r8,imm8 */
+      x86_mov_reg_imm(&G->f, G->r_ecx, 0x100);
+      x86_test(&G->f, G->r_eax, G->r_ecx);
+      {
+         GLubyte *lab0, *lab1;
+         /* TODO: use jcc rel8 */
+         lab0 = x86_jcc_forward(&G->f, cc_E);
+         x86_mov_reg_imm(&G->f, G->r_ecx, FLOAT_ONE);
+         /* TODO: use jmp rel8 */
+         lab1 = x86_jmp_forward(&G->f);
+         x86_fixup_fwd_jump(&G->f, lab0);
+         x86_mov_reg_imm(&G->f, G->r_ecx, FLOAT_ZERO);
+         x86_fixup_fwd_jump(&G->f, lab1);
+         x86_lea(&G->f, G->r_esp, x86_make_disp(G->r_esp, 4));
+         x86_mov(&G->f, x86_deref(G->r_esp), G->r_ecx);
+      }
+      break;
+   case slang_asm_float_equal_exp:
+      x87_fld(&G->f, x86_make_disp(G->r_esp, 4));
+      x87_fcomp(&G->f, x86_deref(G->r_esp));
+      x87_fnstsw(&G->f, G->r_eax);
+      /* TODO: use test r8,imm8 */
+      x86_mov_reg_imm(&G->f, G->r_ecx, 0x4000);
+      x86_test(&G->f, G->r_eax, G->r_ecx);
+      {
+         GLubyte *lab0, *lab1;
+         /* TODO: use jcc rel8 */
+         lab0 = x86_jcc_forward(&G->f, cc_E);
+         x86_mov_reg_imm(&G->f, G->r_ecx, FLOAT_ONE);
+         /* TODO: use jmp rel8 */
+         lab1 = x86_jmp_forward(&G->f);
+         x86_fixup_fwd_jump(&G->f, lab0);
+         x86_mov_reg_imm(&G->f, G->r_ecx, FLOAT_ZERO);
+         x86_fixup_fwd_jump(&G->f, lab1);
+         x86_lea(&G->f, G->r_esp, x86_make_disp(G->r_esp, 4));
+         x86_mov(&G->f, x86_deref(G->r_esp), G->r_ecx);
+      }
+      break;
+   case slang_asm_float_equal_int:
+      x86_lea(&G->f, G->r_esp, x86_make_disp(G->r_esp, -4));
+      x87_fld(&G->f, x86_make_disp(G->r_esp, a->param[0] + 4));
+      x87_fcomp(&G->f, x86_make_disp(G->r_esp, a->param[1] + 4));
+      x87_fnstsw(&G->f, G->r_eax);
+      /* TODO: use test r8,imm8 */
+      x86_mov_reg_imm(&G->f, G->r_ecx, 0x4000);
+      x86_test(&G->f, G->r_eax, G->r_ecx);
+      {
+         GLubyte *lab0, *lab1;
+         /* TODO: use jcc rel8 */
+         lab0 = x86_jcc_forward(&G->f, cc_E);
+         x86_mov_reg_imm(&G->f, G->r_ecx, FLOAT_ONE);
+         /* TODO: use jmp rel8 */
+         lab1 = x86_jmp_forward(&G->f);
+         x86_fixup_fwd_jump(&G->f, lab0);
+         x86_mov_reg_imm(&G->f, G->r_ecx, FLOAT_ZERO);
+         x86_fixup_fwd_jump(&G->f, lab1);
+         x86_mov(&G->f, x86_deref(G->r_esp), G->r_ecx);
+      }
+      break;
+   case slang_asm_float_to_int:
       /* TODO: use fistp without rounding */
-      x86_call (&G->f, (GLubyte *) (do_ftoi));
-      x87_fstp (&G->f, x86_deref (G->r_esp));
-		break;
-	case slang_asm_float_sine:
-		/* TODO: use fsin */
-		x86_call (&G->f, (GLubyte *) _mesa_sinf);
-		x87_fstp (&G->f, x86_deref (G->r_esp));
-		break;
-	case slang_asm_float_arcsine:
-		/* TODO: use fpatan (?) */
-		x86_call (&G->f, (GLubyte *) _mesa_asinf);
-		x87_fstp (&G->f, x86_deref (G->r_esp));
-		break;
-	case slang_asm_float_arctan:
-		/* TODO: use fpatan */
-		x86_call (&G->f, (GLubyte *) _mesa_atanf);
-		x87_fstp (&G->f, x86_deref (G->r_esp));
-		break;
-	case slang_asm_float_power:
-		/* TODO: use emit_pow() */
-		x86_call (&G->f, (GLubyte *) do_powf);
-		x86_lea (&G->f, G->r_esp, x86_make_disp (G->r_esp, 4));
-		x87_fstp (&G->f, x86_deref (G->r_esp));
-		break;
-	case slang_asm_float_log2:
-		x87_fld1 (&G->f);
-		x87_fld (&G->f, x86_deref (G->r_esp));
-		x87_fyl2x (&G->f);
-		x87_fstp (&G->f, x86_deref (G->r_esp));
-		break;
-	case slang_asm_float_floor:
-		x86_call (&G->f, (GLubyte *) do_floorf);
-		x87_fstp (&G->f, x86_deref (G->r_esp));
-		break;
-	case slang_asm_float_ceil:
-		x86_call (&G->f, (GLubyte *) do_ceilf);
-		x87_fstp (&G->f, x86_deref (G->r_esp));
-		break;
-	case slang_asm_float_noise1:
-		x86_call (&G->f, (GLubyte *) _slang_library_noise1);
-		x87_fstp (&G->f, x86_deref (G->r_esp));
-		break;
-	case slang_asm_float_noise2:
-		x86_call (&G->f, (GLubyte *) _slang_library_noise2);
-		x86_lea (&G->f, G->r_esp, x86_make_disp (G->r_esp, 4));
-		x87_fstp (&G->f, x86_deref (G->r_esp));
-		break;
-	case slang_asm_float_noise3:
-		x86_call (&G->f, (GLubyte *) _slang_library_noise4);
-		x86_lea (&G->f, G->r_esp, x86_make_disp (G->r_esp, 8));
-		x87_fstp (&G->f, x86_deref (G->r_esp));
-		break;
-	case slang_asm_float_noise4:
-		x86_call (&G->f, (GLubyte *) _slang_library_noise4);
-		x86_lea (&G->f, G->r_esp, x86_make_disp (G->r_esp, 12));
-		x87_fstp (&G->f, x86_deref (G->r_esp));
-		break;
-	case slang_asm_int_to_float:
-		break;
-	case slang_asm_int_to_addr:
-		x87_fld (&G->f, x86_deref (G->r_esp));
-		x87_fistp (&G->f, x86_deref (G->r_esp));
-		break;
-	case slang_asm_addr_copy:
-		x86_pop (&G->f, G->r_eax);
-		x86_mov (&G->f, G->r_ecx, x86_deref (G->r_esp));
-		x86_mov (&G->f, x86_deref (G->r_ecx), G->r_eax);
-		break;
-	case slang_asm_addr_push:
-		/* TODO: use push imm32 */
-		x86_mov_reg_imm (&G->f, G->r_eax, (GLint) a->param[0]);
-		x86_push (&G->f, G->r_eax);
-		break;
-	case slang_asm_addr_add:
-		x86_pop (&G->f, G->r_eax);
-		x86_add (&G->f, x86_deref (G->r_esp), G->r_eax);
-		break;
-	case slang_asm_addr_multiply:
-		x86_pop (&G->f, G->r_ecx);
-		x86_mov (&G->f, G->r_eax, x86_deref (G->r_esp));
-		x86_mul (&G->f, G->r_ecx);
-		x86_mov (&G->f, x86_deref (G->r_esp), G->r_eax);
-		break;
-	case slang_asm_vec4_tex1d:
-		x86_call (&G->f, (GLubyte *) _slang_library_tex1d);
-		x86_lea (&G->f, G->r_esp, x86_make_disp (G->r_esp, 12));
-		break;
-	case slang_asm_vec4_tex2d:
-		x86_call (&G->f, (GLubyte *) _slang_library_tex2d);
-		x86_lea (&G->f, G->r_esp, x86_make_disp (G->r_esp, 16));
-		break;
-	case slang_asm_vec4_tex3d:
-		x86_call (&G->f, (GLubyte *) _slang_library_tex3d);
-		x86_lea (&G->f, G->r_esp, x86_make_disp (G->r_esp, 20));
-		break;
-	case slang_asm_vec4_texcube:
-		x86_call (&G->f, (GLubyte *) _slang_library_texcube);
-		x86_lea (&G->f, G->r_esp, x86_make_disp (G->r_esp, 20));
-		break;
-	case slang_asm_vec4_shad1d:
-		x86_call (&G->f, (GLubyte *) _slang_library_shad1d);
-		x86_lea (&G->f, G->r_esp, x86_make_disp (G->r_esp, 20));
-		break;
-	case slang_asm_vec4_shad2d:
-		x86_call (&G->f, (GLubyte *) _slang_library_shad2d);
-		x86_lea (&G->f, G->r_esp, x86_make_disp (G->r_esp, 20));
-		break;
-	case slang_asm_jump:
-		add_fixup (G, a->param[0], x86_jmp_forward (&G->f));
-		break;
-	case slang_asm_jump_if_zero:
-		x86_lea (&G->f, G->r_esp, x86_make_disp (G->r_esp, 4));
-		x86_xor (&G->f, G->r_eax, G->r_eax);
-		x86_cmp (&G->f, G->r_eax, x86_make_disp (G->r_esp, -4));
-		{
-			GLubyte *lab0;
-
-			/* TODO: use jcc rel8 */
-			lab0 = x86_jcc_forward (&G->f, cc_NE);
-			add_fixup (G, a->param[0], x86_jmp_forward (&G->f));
-			x86_fixup_fwd_jump (&G->f, lab0);
-		}
-		break;
-	case slang_asm_enter:
-		/* FIXME: x86_make_disp(esp, 0) + x86_lea() generates bogus code */
-		assert (a->param[0] != 0);
-		x86_push (&G->f, G->r_ebp);
-		x86_lea (&G->f, G->r_ebp, x86_make_disp (G->r_esp, (GLint) a->param[0]));
-		break;
-	case slang_asm_leave:
-		x86_pop (&G->f, G->r_ebp);
-		break;
-	case slang_asm_local_alloc:
-		/* FIXME: x86_make_disp(esp, 0) + x86_lea() generates bogus code */
-		assert (a->param[0] != 0);
-		x86_lea (&G->f, G->r_esp, x86_make_disp (G->r_esp, -(GLint) a->param[0]));
-		break;
-	case slang_asm_local_free:
-		/* FIXME: x86_make_disp(esp, 0) + x86_lea() generates bogus code */
-		assert (a->param[0] != 0);
-		x86_lea (&G->f, G->r_esp, x86_make_disp (G->r_esp, (GLint) a->param[0]));
-		break;
-	case slang_asm_local_addr:
-		disp = -(GLint) (a->param[0] + a->param[1]) + 4;
-		if (disp != 0)
-		{
-			x86_lea (&G->f, G->r_eax, x86_make_disp (G->r_ebp, disp));
-			x86_push (&G->f, G->r_eax);
-		}
-		else
-			x86_push (&G->f, G->r_ebp);
-		break;
-	case slang_asm_global_addr:
-		/* TODO: use push imm32 */
-		x86_mov_reg_imm (&G->f, G->r_eax, (GLint) &G->mach->mem + a->param[0]);
-		x86_push (&G->f, G->r_eax);
-		break;
-	case slang_asm_call:
-		add_fixup (G, a->param[0], x86_call_forward (&G->f));
-		break;
-	case slang_asm_return:
-		x86_ret (&G->f);
-		break;
-	case slang_asm_discard:
-		x86_jmp (&G->f, G->l_discard);
-		break;
-	case slang_asm_exit:
-		x86_jmp (&G->f, G->l_exit);
-		break;
-   /* GL_MESA_shader_debug */
+      x86_call(&G->f, (GLubyte *) (do_ftoi));
+      x87_fstp(&G->f, x86_deref(G->r_esp));
+      break;
+   case slang_asm_float_sine:
+      /* TODO: use fsin */
+      x86_call(&G->f, (GLubyte *) _mesa_sinf);
+      x87_fstp(&G->f, x86_deref(G->r_esp));
+      break;
+   case slang_asm_float_arcsine:
+      /* TODO: use fpatan (?) */
+      x86_call(&G->f, (GLubyte *) _mesa_asinf);
+      x87_fstp(&G->f, x86_deref(G->r_esp));
+      break;
+   case slang_asm_float_arctan:
+      /* TODO: use fpatan */
+      x86_call(&G->f, (GLubyte *) _mesa_atanf);
+      x87_fstp(&G->f, x86_deref(G->r_esp));
+      break;
+   case slang_asm_float_power:
+      /* TODO: use emit_pow() */
+      x86_call(&G->f, (GLubyte *) do_powf);
+      x86_lea(&G->f, G->r_esp, x86_make_disp(G->r_esp, 4));
+      x87_fstp(&G->f, x86_deref(G->r_esp));
+      break;
+   case slang_asm_float_log2:
+      x87_fld1(&G->f);
+      x87_fld(&G->f, x86_deref(G->r_esp));
+      x87_fyl2x(&G->f);
+      x87_fstp(&G->f, x86_deref(G->r_esp));
+      break;
+   case slang_asm_float_floor:
+      x86_call(&G->f, (GLubyte *) do_floorf);
+      x87_fstp(&G->f, x86_deref(G->r_esp));
+      break;
+   case slang_asm_float_ceil:
+      x86_call(&G->f, (GLubyte *) do_ceilf);
+      x87_fstp(&G->f, x86_deref(G->r_esp));
+      break;
+   case slang_asm_float_noise1:
+      x86_call(&G->f, (GLubyte *) _slang_library_noise1);
+      x87_fstp(&G->f, x86_deref(G->r_esp));
+      break;
+   case slang_asm_float_noise2:
+      x86_call(&G->f, (GLubyte *) _slang_library_noise2);
+      x86_lea(&G->f, G->r_esp, x86_make_disp(G->r_esp, 4));
+      x87_fstp(&G->f, x86_deref(G->r_esp));
+      break;
+   case slang_asm_float_noise3:
+      x86_call(&G->f, (GLubyte *) _slang_library_noise4);
+      x86_lea(&G->f, G->r_esp, x86_make_disp(G->r_esp, 8));
+      x87_fstp(&G->f, x86_deref(G->r_esp));
+      break;
+   case slang_asm_float_noise4:
+      x86_call(&G->f, (GLubyte *) _slang_library_noise4);
+      x86_lea(&G->f, G->r_esp, x86_make_disp(G->r_esp, 12));
+      x87_fstp(&G->f, x86_deref(G->r_esp));
+      break;
+   case slang_asm_int_to_float:
+      break;
+   case slang_asm_int_to_addr:
+      x87_fld(&G->f, x86_deref(G->r_esp));
+      x87_fistp(&G->f, x86_deref(G->r_esp));
+      break;
+   case slang_asm_addr_copy:
+      x86_pop(&G->f, G->r_eax);
+      x86_mov(&G->f, G->r_ecx, x86_deref(G->r_esp));
+      x86_mov(&G->f, x86_deref(G->r_ecx), G->r_eax);
+      break;
+   case slang_asm_addr_push:
+      /* TODO: use push imm32 */
+      x86_mov_reg_imm(&G->f, G->r_eax, (GLint) a->param[0]);
+      x86_push(&G->f, G->r_eax);
+      break;
+   case slang_asm_addr_add:
+      x86_pop(&G->f, G->r_eax);
+      x86_add(&G->f, x86_deref(G->r_esp), G->r_eax);
+      break;
+   case slang_asm_addr_multiply:
+      x86_pop(&G->f, G->r_ecx);
+      x86_mov(&G->f, G->r_eax, x86_deref(G->r_esp));
+      x86_mul(&G->f, G->r_ecx);
+      x86_mov(&G->f, x86_deref(G->r_esp), G->r_eax);
+      break;
+   case slang_asm_vec4_tex1d:
+      x86_call(&G->f, (GLubyte *) _slang_library_tex1d);
+      x86_lea(&G->f, G->r_esp, x86_make_disp(G->r_esp, 12));
+      break;
+   case slang_asm_vec4_tex2d:
+      x86_call(&G->f, (GLubyte *) _slang_library_tex2d);
+      x86_lea(&G->f, G->r_esp, x86_make_disp(G->r_esp, 16));
+      break;
+   case slang_asm_vec4_tex3d:
+      x86_call(&G->f, (GLubyte *) _slang_library_tex3d);
+      x86_lea(&G->f, G->r_esp, x86_make_disp(G->r_esp, 20));
+      break;
+   case slang_asm_vec4_texcube:
+      x86_call(&G->f, (GLubyte *) _slang_library_texcube);
+      x86_lea(&G->f, G->r_esp, x86_make_disp(G->r_esp, 20));
+      break;
+   case slang_asm_vec4_shad1d:
+      x86_call(&G->f, (GLubyte *) _slang_library_shad1d);
+      x86_lea(&G->f, G->r_esp, x86_make_disp(G->r_esp, 20));
+      break;
+   case slang_asm_vec4_shad2d:
+      x86_call(&G->f, (GLubyte *) _slang_library_shad2d);
+      x86_lea(&G->f, G->r_esp, x86_make_disp(G->r_esp, 20));
+      break;
+   case slang_asm_jump:
+      add_fixup(G, a->param[0], x86_jmp_forward(&G->f));
+      break;
+   case slang_asm_jump_if_zero:
+      x86_lea(&G->f, G->r_esp, x86_make_disp(G->r_esp, 4));
+      x86_xor(&G->f, G->r_eax, G->r_eax);
+      x86_cmp(&G->f, G->r_eax, x86_make_disp(G->r_esp, -4));
+      {
+         GLubyte *lab0;
+         /* TODO: use jcc rel8 */
+         lab0 = x86_jcc_forward(&G->f, cc_NE);
+         add_fixup(G, a->param[0], x86_jmp_forward(&G->f));
+         x86_fixup_fwd_jump(&G->f, lab0);
+      }
+      break;
+   case slang_asm_enter:
+      /* FIXME: x86_make_disp(esp, 0) + x86_lea() generates bogus code */
+      assert(a->param[0] != 0);
+      x86_push(&G->f, G->r_ebp);
+      x86_lea(&G->f, G->r_ebp, x86_make_disp(G->r_esp, (GLint) a->param[0]));
+      break;
+   case slang_asm_leave:
+      x86_pop(&G->f, G->r_ebp);
+      break;
+   case slang_asm_local_alloc:
+      /* FIXME: x86_make_disp(esp, 0) + x86_lea() generates bogus code */
+      assert(a->param[0] != 0);
+      x86_lea(&G->f, G->r_esp, x86_make_disp(G->r_esp, -(GLint) a->param[0]));
+      break;
+   case slang_asm_local_free:
+      /* FIXME: x86_make_disp(esp, 0) + x86_lea() generates bogus code */
+      assert(a->param[0] != 0);
+      x86_lea(&G->f, G->r_esp, x86_make_disp(G->r_esp, (GLint) a->param[0]));
+      break;
+   case slang_asm_local_addr:
+      disp = -(GLint) (a->param[0] + a->param[1]) + 4;
+      if (disp != 0) {
+         x86_lea(&G->f, G->r_eax, x86_make_disp(G->r_ebp, disp));
+         x86_push(&G->f, G->r_eax);
+      }
+      else
+         x86_push(&G->f, G->r_ebp);
+      break;
+   case slang_asm_global_addr:
+      /* TODO: use push imm32 */
+      x86_mov_reg_imm(&G->f, G->r_eax, (GLint) & G->mach->mem + a->param[0]);
+      x86_push(&G->f, G->r_eax);
+      break;
+   case slang_asm_call:
+      add_fixup(G, a->param[0], x86_call_forward(&G->f));
+      break;
+   case slang_asm_return:
+      x86_ret(&G->f);
+      break;
+   case slang_asm_discard:
+      x86_jmp(&G->f, G->l_discard);
+      break;
+   case slang_asm_exit:
+      x86_jmp(&G->f, G->l_exit);
+      break;
+      /* GL_MESA_shader_debug */
    case slang_asm_float_print:
       /* TODO: use push imm32 */
-      x86_mov_reg_imm (&G->f, G->r_eax, (GLint) (infolog));
-      x86_push (&G->f, G->r_eax);
-      x86_call (&G->f, (GLubyte *) (do_print_float));
-      x86_lea (&G->f, G->r_esp, x86_make_disp (G->r_esp, 4));
+      x86_mov_reg_imm(&G->f, G->r_eax, (GLint) (infolog));
+      x86_push(&G->f, G->r_eax);
+      x86_call(&G->f, (GLubyte *) (do_print_float));
+      x86_lea(&G->f, G->r_esp, x86_make_disp(G->r_esp, 4));
       break;
-	case slang_asm_int_print:
+   case slang_asm_int_print:
       /* TODO: use push imm32 */
-      x86_mov_reg_imm (&G->f, G->r_eax, (GLint) (infolog));
-      x86_push (&G->f, G->r_eax);
-		x86_call (&G->f, (GLubyte *) do_print_int);
-      x86_lea (&G->f, G->r_esp, x86_make_disp (G->r_esp, 4));
-		break;
-	case slang_asm_bool_print:
+      x86_mov_reg_imm(&G->f, G->r_eax, (GLint) (infolog));
+      x86_push(&G->f, G->r_eax);
+      x86_call(&G->f, (GLubyte *) do_print_int);
+      x86_lea(&G->f, G->r_esp, x86_make_disp(G->r_esp, 4));
+      break;
+   case slang_asm_bool_print:
       /* TODO: use push imm32 */
-      x86_mov_reg_imm (&G->f, G->r_eax, (GLint) (infolog));
-      x86_push (&G->f, G->r_eax);
-		x86_call (&G->f, (GLubyte *) do_print_bool);
-      x86_lea (&G->f, G->r_esp, x86_make_disp (G->r_esp, 4));
-		break;
-   /* vec4 */
+      x86_mov_reg_imm(&G->f, G->r_eax, (GLint) (infolog));
+      x86_push(&G->f, G->r_eax);
+      x86_call(&G->f, (GLubyte *) do_print_bool);
+      x86_lea(&G->f, G->r_esp, x86_make_disp(G->r_esp, 4));
+      break;
+      /* vec4 */
    case slang_asm_float_to_vec4:
       /* [vec4] | float > [vec4] */
-      x87_fld (&G->f, x86_deref (G->r_esp));
-      x86_lea (&G->f, G->r_esp, x86_make_disp (G->r_esp, 4));
-      x86_mov (&G->f, G->r_eax, x86_deref (G->r_esp));
-      x87_fst (&G->f, x86_make_disp (G->r_eax, 12));
-      x87_fst (&G->f, x86_make_disp (G->r_eax, 8));
-      x87_fst (&G->f, x86_make_disp (G->r_eax, 4));
-      x87_fstp (&G->f, x86_deref (G->r_eax));
+      x87_fld(&G->f, x86_deref(G->r_esp));
+      x86_lea(&G->f, G->r_esp, x86_make_disp(G->r_esp, 4));
+      x86_mov(&G->f, G->r_eax, x86_deref(G->r_esp));
+      x87_fst(&G->f, x86_make_disp(G->r_eax, 12));
+      x87_fst(&G->f, x86_make_disp(G->r_eax, 8));
+      x87_fst(&G->f, x86_make_disp(G->r_eax, 4));
+      x87_fstp(&G->f, x86_deref(G->r_eax));
       break;
    case slang_asm_vec4_add:
       /* [vec4] | vec4 > [vec4] */
-      x86_mov (&G->f, G->r_eax, x86_make_disp (G->r_esp, 16));
+      x86_mov(&G->f, G->r_eax, x86_make_disp(G->r_esp, 16));
       for (i = 0; i < 4; i++)
-         x87_fld (&G->f, x86_make_disp (G->r_eax, i * 4));
+         x87_fld(&G->f, x86_make_disp(G->r_eax, i * 4));
       for (i = 0; i < 4; i++)
-         x87_fld (&G->f, x86_make_disp (G->r_esp, i * 4));
-      x86_lea (&G->f, G->r_esp, x86_make_disp (G->r_esp, 16));
+         x87_fld(&G->f, x86_make_disp(G->r_esp, i * 4));
+      x86_lea(&G->f, G->r_esp, x86_make_disp(G->r_esp, 16));
       for (i = 0; i < 4; i++)
-         x87_faddp (&G->f, G->r_st4);
+         x87_faddp(&G->f, G->r_st4);
       for (i = 0; i < 4; i++)
-         x87_fstp (&G->f, x86_make_disp (G->r_eax, 12 - i * 4));
+         x87_fstp(&G->f, x86_make_disp(G->r_eax, 12 - i * 4));
       break;
    case slang_asm_vec4_subtract:
       /* [vec4] | vec4 > [vec4] */
-      x86_mov (&G->f, G->r_eax, x86_make_disp (G->r_esp, 16));
+      x86_mov(&G->f, G->r_eax, x86_make_disp(G->r_esp, 16));
       for (i = 0; i < 4; i++)
-         x87_fld (&G->f, x86_make_disp (G->r_eax, i * 4));
+         x87_fld(&G->f, x86_make_disp(G->r_eax, i * 4));
       for (i = 0; i < 4; i++)
-         x87_fld (&G->f, x86_make_disp (G->r_esp, i * 4));
-      x86_lea (&G->f, G->r_esp, x86_make_disp (G->r_esp, 16));
+         x87_fld(&G->f, x86_make_disp(G->r_esp, i * 4));
+      x86_lea(&G->f, G->r_esp, x86_make_disp(G->r_esp, 16));
       for (i = 0; i < 4; i++)
-         x87_fsubp (&G->f, G->r_st4);
+         x87_fsubp(&G->f, G->r_st4);
       for (i = 0; i < 4; i++)
-         x87_fstp (&G->f, x86_make_disp (G->r_eax, 12 - i * 4));
+         x87_fstp(&G->f, x86_make_disp(G->r_eax, 12 - i * 4));
       break;
    case slang_asm_vec4_multiply:
       /* [vec4] | vec4 > [vec4] */
-      x86_mov (&G->f, G->r_eax, x86_make_disp (G->r_esp, 16));
+      x86_mov(&G->f, G->r_eax, x86_make_disp(G->r_esp, 16));
       for (i = 0; i < 4; i++)
-         x87_fld (&G->f, x86_make_disp (G->r_eax, i * 4));
+         x87_fld(&G->f, x86_make_disp(G->r_eax, i * 4));
       for (i = 0; i < 4; i++)
-         x87_fld (&G->f, x86_make_disp (G->r_esp, i * 4));
-      x86_lea (&G->f, G->r_esp, x86_make_disp (G->r_esp, 16));
+         x87_fld(&G->f, x86_make_disp(G->r_esp, i * 4));
+      x86_lea(&G->f, G->r_esp, x86_make_disp(G->r_esp, 16));
       for (i = 0; i < 4; i++)
-         x87_fmulp (&G->f, G->r_st4);
+         x87_fmulp(&G->f, G->r_st4);
       for (i = 0; i < 4; i++)
-         x87_fstp (&G->f, x86_make_disp (G->r_eax, 12 - i * 4));
+         x87_fstp(&G->f, x86_make_disp(G->r_eax, 12 - i * 4));
       break;
    case slang_asm_vec4_divide:
       /* [vec4] | vec4 > [vec4] */
-      x86_mov (&G->f, G->r_eax, x86_make_disp (G->r_esp, 16));
+      x86_mov(&G->f, G->r_eax, x86_make_disp(G->r_esp, 16));
       for (i = 0; i < 4; i++)
-         x87_fld (&G->f, x86_make_disp (G->r_eax, i * 4));
+         x87_fld(&G->f, x86_make_disp(G->r_eax, i * 4));
       for (i = 0; i < 4; i++)
-         x87_fld (&G->f, x86_make_disp (G->r_esp, i * 4));
-      x86_lea (&G->f, G->r_esp, x86_make_disp (G->r_esp, 16));
+         x87_fld(&G->f, x86_make_disp(G->r_esp, i * 4));
+      x86_lea(&G->f, G->r_esp, x86_make_disp(G->r_esp, 16));
       for (i = 0; i < 4; i++)
-         x87_fdivp (&G->f, G->r_st4);
+         x87_fdivp(&G->f, G->r_st4);
       for (i = 0; i < 4; i++)
-         x87_fstp (&G->f, x86_make_disp (G->r_eax, 12 - i * 4));
+         x87_fstp(&G->f, x86_make_disp(G->r_eax, 12 - i * 4));
       break;
    case slang_asm_vec4_negate:
       /* [vec4] > [vec4] */
-      x86_mov (&G->f, G->r_eax, x86_deref (G->r_esp));
+      x86_mov(&G->f, G->r_eax, x86_deref(G->r_esp));
       for (i = 0; i < 4; i++)
-         x87_fld (&G->f, x86_make_disp (G->r_eax, i * 4));
+         x87_fld(&G->f, x86_make_disp(G->r_eax, i * 4));
       for (i = 0; i < 4; i++) {
-         x87_fchs (&G->f);
-         x87_fstp (&G->f, x86_make_disp (G->r_eax, 12 - i * 4));
+         x87_fchs(&G->f);
+         x87_fstp(&G->f, x86_make_disp(G->r_eax, 12 - i * 4));
       }
       break;
    case slang_asm_vec4_dot:
       /* [vec4] | vec4 > [float] */
       for (i = 0; i < 4; i++)
-         x87_fld (&G->f, x86_make_disp (G->r_esp, i * 4));
-      x86_lea (&G->f, G->r_esp, x86_make_disp (G->r_esp, 16));
-      x86_mov (&G->f, G->r_eax, x86_deref (G->r_esp));
+         x87_fld(&G->f, x86_make_disp(G->r_esp, i * 4));
+      x86_lea(&G->f, G->r_esp, x86_make_disp(G->r_esp, 16));
+      x86_mov(&G->f, G->r_eax, x86_deref(G->r_esp));
       for (i = 0; i < 4; i++)
-         x87_fld (&G->f, x86_make_disp (G->r_eax, i * 4));
+         x87_fld(&G->f, x86_make_disp(G->r_eax, i * 4));
       for (i = 0; i < 4; i++)
-         x87_fmulp (&G->f, G->r_st4);
+         x87_fmulp(&G->f, G->r_st4);
       for (i = 0; i < 3; i++)
-         x87_faddp (&G->f, G->r_st1);
-      x87_fstp (&G->f, x86_deref (G->r_eax));
+         x87_faddp(&G->f, G->r_st1);
+      x87_fstp(&G->f, x86_deref(G->r_eax));
       break;
    case slang_asm_vec4_copy:
       /* [vec4] | vec4 > [vec4] */
-      x86_mov (&G->f, G->r_eax, x86_make_disp (G->r_esp, a->param[0]));
-      x86_pop (&G->f, G->r_ecx);
-      x86_pop (&G->f, G->r_edx);
-      x86_mov (&G->f, x86_make_disp (G->r_eax, a->param[1]), G->r_ecx);
-      x86_pop (&G->f, G->r_ebx);
-      x86_mov (&G->f, x86_make_disp (G->r_eax, a->param[1] + 4), G->r_edx);
-      x86_pop (&G->f, G->r_ecx);
-      x86_mov (&G->f, x86_make_disp (G->r_eax, a->param[1] + 8), G->r_ebx);
-      x86_mov (&G->f, x86_make_disp (G->r_eax, a->param[1] + 12), G->r_ecx);
+      x86_mov(&G->f, G->r_eax, x86_make_disp(G->r_esp, a->param[0]));
+      x86_pop(&G->f, G->r_ecx);
+      x86_pop(&G->f, G->r_edx);
+      x86_mov(&G->f, x86_make_disp(G->r_eax, a->param[1]), G->r_ecx);
+      x86_pop(&G->f, G->r_ebx);
+      x86_mov(&G->f, x86_make_disp(G->r_eax, a->param[1] + 4), G->r_edx);
+      x86_pop(&G->f, G->r_ecx);
+      x86_mov(&G->f, x86_make_disp(G->r_eax, a->param[1] + 8), G->r_ebx);
+      x86_mov(&G->f, x86_make_disp(G->r_eax, a->param[1] + 12), G->r_ecx);
       break;
    case slang_asm_vec4_deref:
       /* [vec4] > vec4 */
-      x86_mov (&G->f, G->r_eax, x86_deref (G->r_esp));
-      x86_mov (&G->f, G->r_ecx, x86_make_disp (G->r_eax, 12));
-      x86_mov (&G->f, G->r_edx, x86_make_disp (G->r_eax, 8));
-      x86_mov (&G->f, x86_deref (G->r_esp), G->r_ecx);
-      x86_mov (&G->f, G->r_ebx, x86_make_disp (G->r_eax, 4));
-      x86_push (&G->f, G->r_edx);
-      x86_mov (&G->f, G->r_ecx, x86_deref (G->r_eax));
-      x86_push (&G->f, G->r_ebx);
-      x86_push (&G->f, G->r_ecx);
+      x86_mov(&G->f, G->r_eax, x86_deref(G->r_esp));
+      x86_mov(&G->f, G->r_ecx, x86_make_disp(G->r_eax, 12));
+      x86_mov(&G->f, G->r_edx, x86_make_disp(G->r_eax, 8));
+      x86_mov(&G->f, x86_deref(G->r_esp), G->r_ecx);
+      x86_mov(&G->f, G->r_ebx, x86_make_disp(G->r_eax, 4));
+      x86_push(&G->f, G->r_edx);
+      x86_mov(&G->f, G->r_ecx, x86_deref(G->r_eax));
+      x86_push(&G->f, G->r_ebx);
+      x86_push(&G->f, G->r_ecx);
       break;
    case slang_asm_vec4_equal_int:
-      x86_lea (&G->f, G->r_esp, x86_make_disp (G->r_esp, -4));
-      x86_mov_reg_imm (&G->f, G->r_edx, 0x4000);
+      x86_lea(&G->f, G->r_esp, x86_make_disp(G->r_esp, -4));
+      x86_mov_reg_imm(&G->f, G->r_edx, 0x4000);
       for (i = 0; i < 4; i++) {
-         x87_fld (&G->f, x86_make_disp (G->r_esp, a->param[0] + 4 + i * 4));
-         x87_fcomp (&G->f, x86_make_disp (G->r_esp, a->param[1] + 4 + i * 4));
-         x87_fnstsw (&G->f, G->r_eax);
-         x86_and (&G->f, G->r_edx, G->r_eax);
+         x87_fld(&G->f, x86_make_disp(G->r_esp, a->param[0] + 4 + i * 4));
+         x87_fcomp(&G->f, x86_make_disp(G->r_esp, a->param[1] + 4 + i * 4));
+         x87_fnstsw(&G->f, G->r_eax);
+         x86_and(&G->f, G->r_edx, G->r_eax);
       }
       /* TODO: use test r8,imm8 */
-      x86_mov_reg_imm (&G->f, G->r_ecx, 0x4000);
-      x86_test (&G->f, G->r_edx, G->r_ecx);
+      x86_mov_reg_imm(&G->f, G->r_ecx, 0x4000);
+      x86_test(&G->f, G->r_edx, G->r_ecx);
       {
          GLubyte *lab0, *lab1;
 
          /* TODO: use jcc rel8 */
-         lab0 = x86_jcc_forward (&G->f, cc_E);
-         x86_mov_reg_imm (&G->f, G->r_ecx, FLOAT_ONE);
+         lab0 = x86_jcc_forward(&G->f, cc_E);
+         x86_mov_reg_imm(&G->f, G->r_ecx, FLOAT_ONE);
          /* TODO: use jmp rel8 */
-         lab1 = x86_jmp_forward (&G->f);
-         x86_fixup_fwd_jump (&G->f, lab0);
-         x86_mov_reg_imm (&G->f, G->r_ecx, FLOAT_ZERO);
-         x86_fixup_fwd_jump (&G->f, lab1);
-         x86_mov (&G->f, x86_deref (G->r_esp), G->r_ecx);
+         lab1 = x86_jmp_forward(&G->f);
+         x86_fixup_fwd_jump(&G->f, lab0);
+         x86_mov_reg_imm(&G->f, G->r_ecx, FLOAT_ZERO);
+         x86_fixup_fwd_jump(&G->f, lab1);
+         x86_mov(&G->f, x86_deref(G->r_esp), G->r_ecx);
       }
       break;
    default:
-      assert (0);
+      _mesa_problem(NULL, "Unexpected switch case in codegen_assem");
    }
 }
 
-GLboolean _slang_x86_codegen (slang_machine *mach, slang_assembly_file *file, GLuint start)
+GLboolean
+_slang_x86_codegen(slang_machine * mach, slang_assembly_file * file,
+                   GLuint start)
 {
-	codegen_ctx G;
-	GLubyte *j_body, *j_exit;
-	GLuint i;
+   codegen_ctx G;
+   GLubyte *j_body, *j_exit;
+   GLuint i;
 
    /* Free the old code - if any.
     */
    if (mach->x86.compiled_func != NULL) {
-      _mesa_exec_free (mach->x86.compiled_func);
+      _mesa_exec_free(mach->x86.compiled_func);
       mach->x86.compiled_func = NULL;
    }
 
-	/*
-	 * We need as much as 1M because *all* assembly, including built-in library, is
-	 * being translated to x86.
-	 * The built-in library occupies 450K, so we can be safe for now.
-	 * It is going to change in the future, when we get assembly analysis running.
-	 */
-	x86_init_func_size (&G.f, 1048576);
-	G.r_eax = x86_make_reg (file_REG32, reg_AX);
-	G.r_ecx = x86_make_reg (file_REG32, reg_CX);
-	G.r_edx = x86_make_reg (file_REG32, reg_DX);
-   G.r_ebx = x86_make_reg (file_REG32, reg_BX);
-	G.r_esp = x86_make_reg (file_REG32, reg_SP);
-	G.r_ebp = x86_make_reg (file_REG32, reg_BP);
-	G.r_st0 = x86_make_reg (file_x87, 0);
-	G.r_st1 = x86_make_reg (file_x87, 1);
-	G.r_st2 = x86_make_reg (file_x87, 2);
-	G.r_st3 = x86_make_reg (file_x87, 3);
-   G.r_st4 = x86_make_reg (file_x87, 4);
-	G.fixups = NULL;
-	G.fixup_count = 0;
-	G.labels = (GLubyte **) slang_alloc_malloc (file->count * sizeof (GLubyte *));
-	G.mach = mach;
-	G.fpucntl = RESTORE_FPU;
-
-	mach->x86.fpucntl_rnd_neg = RND_NEG_FPU;
-	mach->x86.fpucntl_restore = RESTORE_FPU;
-
-	/* prepare stack and jump to start */
-	x86_push (&G.f, G.r_ebp);
-	x86_mov_reg_imm (&G.f, G.r_eax, (GLint) &mach->x86.esp_restore);
-	x86_push (&G.f, G.r_esp);
-	x86_pop (&G.f, G.r_ecx);
-	x86_mov (&G.f, x86_deref (G.r_eax), G.r_ecx);
-	j_body = x86_jmp_forward (&G.f);
-
-	/* "discard" instructions jump to this label */
-	G.l_discard = x86_get_label (&G.f);
-	x86_mov_reg_imm (&G.f, G.r_eax, (GLint) &G.mach->kill);
-	x86_mov_reg_imm (&G.f, G.r_ecx, 1);
-	x86_mov (&G.f, x86_deref (G.r_eax), G.r_ecx);
-	G.l_exit = x86_get_label (&G.f);
-	j_exit = x86_jmp_forward (&G.f);
-
-	for (i = 0; i < file->count; i++)
-	{
-		G.labels[i] = x86_get_label (&G.f);
-		if (i == start)
-			x86_fixup_fwd_jump (&G.f, j_body);
-		codegen_assem (&G, &file->code[i], &mach->infolog);
-	}
-
-	/*
-	 * Restore stack and return.
-	 * This must be handled this way, because "discard" can be invoked from any
-	 * place in the code.
-	 */
-	x86_fixup_fwd_jump (&G.f, j_exit);
-	x86_mov_reg_imm (&G.f, G.r_eax, (GLint) &mach->x86.esp_restore);
-	x86_mov (&G.f, G.r_esp, x86_deref (G.r_eax));
-	x86_pop (&G.f, G.r_ebp);
-	if (G.fpucntl != RESTORE_FPU)
-	{
-		x87_fnclex (&G.f);
-		x86_mov_reg_imm (&G.f, G.r_eax, (GLint) &G.mach->x86.fpucntl_restore);
-		x87_fldcw (&G.f, x86_deref (G.r_eax));
-	}
-	x86_ret (&G.f);
-
-	/* fixup forward labels */
-	for (i = 0; i < G.fixup_count; i++)
-	{
-		G.f.csr = G.labels[G.fixups[i].index];
-		x86_fixup_fwd_jump (&G.f, G.fixups[i].csr);
-	}
-
-	slang_alloc_free (G.fixups);
-	slang_alloc_free (G.labels);
-
-	/* install new code */
-	mach->x86.compiled_func = (GLvoid (*) (slang_machine *)) x86_get_func (&G.f);
-
-	return GL_TRUE;
+   /*
+    * We need as much as 1M because *all* assembly, including built-in library, is
+    * being translated to x86.
+    * The built-in library occupies 450K, so we can be safe for now.
+    * It is going to change in the future, when we get assembly analysis running.
+    */
+   x86_init_func_size(&G.f, 1048576);
+   G.r_eax = x86_make_reg(file_REG32, reg_AX);
+   G.r_ecx = x86_make_reg(file_REG32, reg_CX);
+   G.r_edx = x86_make_reg(file_REG32, reg_DX);
+   G.r_ebx = x86_make_reg(file_REG32, reg_BX);
+   G.r_esp = x86_make_reg(file_REG32, reg_SP);
+   G.r_ebp = x86_make_reg(file_REG32, reg_BP);
+   G.r_st0 = x86_make_reg(file_x87, 0);
+   G.r_st1 = x86_make_reg(file_x87, 1);
+   G.r_st2 = x86_make_reg(file_x87, 2);
+   G.r_st3 = x86_make_reg(file_x87, 3);
+   G.r_st4 = x86_make_reg(file_x87, 4);
+   G.fixups = NULL;
+   G.fixup_count = 0;
+   G.labels =
+      (GLubyte **) slang_alloc_malloc(file->count * sizeof(GLubyte *));
+   G.mach = mach;
+   G.fpucntl = RESTORE_FPU;
+
+   mach->x86.fpucntl_rnd_neg = RND_NEG_FPU;
+   mach->x86.fpucntl_restore = RESTORE_FPU;
+
+   /* prepare stack and jump to start */
+   x86_push(&G.f, G.r_ebp);
+   x86_mov_reg_imm(&G.f, G.r_eax, (GLint) & mach->x86.esp_restore);
+   x86_push(&G.f, G.r_esp);
+   x86_pop(&G.f, G.r_ecx);
+   x86_mov(&G.f, x86_deref(G.r_eax), G.r_ecx);
+   j_body = x86_jmp_forward(&G.f);
+
+   /* "discard" instructions jump to this label */
+   G.l_discard = x86_get_label(&G.f);
+   x86_mov_reg_imm(&G.f, G.r_eax, (GLint) & G.mach->kill);
+   x86_mov_reg_imm(&G.f, G.r_ecx, 1);
+   x86_mov(&G.f, x86_deref(G.r_eax), G.r_ecx);
+   G.l_exit = x86_get_label(&G.f);
+   j_exit = x86_jmp_forward(&G.f);
+
+   for (i = 0; i < file->count; i++) {
+      G.labels[i] = x86_get_label(&G.f);
+      if (i == start)
+         x86_fixup_fwd_jump(&G.f, j_body);
+      codegen_assem(&G, &file->code[i], &mach->infolog);
+   }
+
+   /*
+    * Restore stack and return.
+    * This must be handled this way, because "discard" can be invoked from any
+    * place in the code.
+    */
+   x86_fixup_fwd_jump(&G.f, j_exit);
+   x86_mov_reg_imm(&G.f, G.r_eax, (GLint) & mach->x86.esp_restore);
+   x86_mov(&G.f, G.r_esp, x86_deref(G.r_eax));
+   x86_pop(&G.f, G.r_ebp);
+   if (G.fpucntl != RESTORE_FPU) {
+      x87_fnclex(&G.f);
+      x86_mov_reg_imm(&G.f, G.r_eax, (GLint) & G.mach->x86.fpucntl_restore);
+      x87_fldcw(&G.f, x86_deref(G.r_eax));
+   }
+   x86_ret(&G.f);
+
+   /* fixup forward labels */
+   for (i = 0; i < G.fixup_count; i++) {
+      G.f.csr = G.labels[G.fixups[i].index];
+      x86_fixup_fwd_jump(&G.f, G.fixups[i].csr);
+   }
+
+   slang_alloc_free(G.fixups);
+   slang_alloc_free(G.labels);
+
+   /* install new code */
+   mach->x86.compiled_func = (GLvoid(*)(slang_machine *)) x86_get_func(&G.f);
+
+   return GL_TRUE;
 }
 
 #endif
-
-- 
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