summaryrefslogtreecommitdiff
path: root/src
diff options
context:
space:
mode:
authorBrian <brian@yutani.localnet.net>2007-03-28 14:38:36 -0600
committerBrian <brian@yutani.localnet.net>2007-03-28 14:38:36 -0600
commit3b7f2f53a222b06ca14fff44b5e1143e1b41e390 (patch)
treefa14b33344efa1fe6a2242b716486c019e0865e1 /src
parent8128f7143d9c3768df4cf669e97777e021db127a (diff)
remove IR_BREAK_IF_FALSE
Diffstat (limited to 'src')
-rw-r--r--src/mesa/shader/slang/slang_emit.c54
-rw-r--r--src/mesa/shader/slang/slang_ir.c4
-rw-r--r--src/mesa/shader/slang/slang_ir.h1
3 files changed, 13 insertions, 46 deletions
diff --git a/src/mesa/shader/slang/slang_emit.c b/src/mesa/shader/slang/slang_emit.c
index 310a9f1243..b5a2dfaafc 100644
--- a/src/mesa/shader/slang/slang_emit.c
+++ b/src/mesa/shader/slang/slang_emit.c
@@ -1207,7 +1207,6 @@ emit_loop(slang_emit_info *emitInfo, slang_ir_node *n)
struct prog_instruction *inst = prog->Instructions + ir->InstLocation;
assert(inst->BranchTarget < 0);
if (ir->Opcode == IR_BREAK ||
- ir->Opcode == IR_BREAK_IF_FALSE ||
ir->Opcode == IR_BREAK_IF_TRUE) {
assert(inst->Opcode == OPCODE_BRK ||
inst->Opcode == OPCODE_BRA);
@@ -1269,14 +1268,12 @@ emit_cont_break(slang_emit_info *emitInfo, slang_ir_node *n)
* Either OPCODE_CONT, OPCODE_BRK or OPCODE_BRA will be emitted.
*/
static struct prog_instruction *
-emit_cont_break_if(slang_emit_info *emitInfo, slang_ir_node *n,
- GLboolean breakTrue)
+emit_cont_break_if_true(slang_emit_info *emitInfo, slang_ir_node *n)
{
struct prog_instruction *inst;
assert(n->Opcode == IR_CONT_IF_TRUE ||
- n->Opcode == IR_BREAK_IF_TRUE ||
- n->Opcode == IR_BREAK_IF_FALSE);
+ n->Opcode == IR_BREAK_IF_TRUE);
/* evaluate condition expr, setting cond codes */
inst = emit(emitInfo, n->Children[0]);
@@ -1289,11 +1286,11 @@ emit_cont_break_if(slang_emit_info *emitInfo, slang_ir_node *n,
/* opcode selection */
if (emitInfo->EmitHighLevelInstructions) {
+ const gl_inst_opcode opcode
+ = (n->Opcode == IR_CONT_IF_TRUE) ? OPCODE_CONT : OPCODE_BRK;
if (emitInfo->EmitCondCodes) {
- gl_inst_opcode opcode
- = (n->Opcode == IR_CONT_IF_TRUE) ? OPCODE_CONT : OPCODE_BRK;
inst = new_instruction(emitInfo, opcode);
- inst->DstReg.CondMask = breakTrue ? COND_NE : COND_EQ;
+ inst->DstReg.CondMask = COND_NE;
return inst;
}
else {
@@ -1302,35 +1299,12 @@ emit_cont_break_if(slang_emit_info *emitInfo, slang_ir_node *n,
* ENDIF
*/
GLint ifInstLoc;
- if (n->Opcode == IR_CONT_IF_TRUE ||
- n->Opcode == IR_BREAK_IF_TRUE) {
- ifInstLoc = emitInfo->prog->NumInstructions;
- inst = new_instruction(emitInfo, OPCODE_IF);
- storage_to_src_reg(&inst->SrcReg[0], n->Children[0]->Store);
- }
- else {
- /* invert the expression */
- if (!alloc_temp_storage(emitInfo, n, 1))
- return NULL;
- inst = new_instruction(emitInfo, OPCODE_SEQ);
- storage_to_src_reg(&inst->SrcReg[0], n->Children[0]->Store);
- constant_to_src_reg(&inst->SrcReg[1], 0.0, emitInfo);
- storage_to_dst_reg(&inst->DstReg, n->Store, n->Writemask);
- inst->Comment = _mesa_strdup("Invert true/false");
-
- ifInstLoc = emitInfo->prog->NumInstructions;
- inst = new_instruction(emitInfo, OPCODE_IF);
- storage_to_src_reg(&inst->SrcReg[0], n->Store);
- free_temp_storage(emitInfo->vt, n);
- }
+ ifInstLoc = emitInfo->prog->NumInstructions;
+ inst = new_instruction(emitInfo, OPCODE_IF);
+ storage_to_src_reg(&inst->SrcReg[0], n->Children[0]->Store);
n->InstLocation = emitInfo->prog->NumInstructions;
- if (n->Opcode == IR_BREAK_IF_TRUE ||
- n->Opcode == IR_BREAK_IF_FALSE) {
- inst = new_instruction(emitInfo, OPCODE_BRK);
- }
- else {
- inst = new_instruction(emitInfo, OPCODE_CONT);
- }
+
+ inst = new_instruction(emitInfo, opcode);
inst = new_instruction(emitInfo, OPCODE_ENDIF);
emitInfo->prog->Instructions[ifInstLoc].BranchTarget
@@ -1341,7 +1315,7 @@ emit_cont_break_if(slang_emit_info *emitInfo, slang_ir_node *n,
else {
assert(emitInfo->EmitCondCodes);
inst = new_instruction(emitInfo, OPCODE_BRA);
- inst->DstReg.CondMask = breakTrue ? COND_NE : COND_EQ;
+ inst->DstReg.CondMask = COND_NE;
return inst;
}
}
@@ -1677,11 +1651,9 @@ emit(slang_emit_info *emitInfo, slang_ir_node *n)
case IR_LOOP:
return emit_loop(emitInfo, n);
- case IR_BREAK_IF_FALSE:
- return emit_cont_break_if(emitInfo, n, GL_FALSE);
case IR_BREAK_IF_TRUE:
case IR_CONT_IF_TRUE:
- return emit_cont_break_if(emitInfo, n, GL_TRUE);
+ return emit_cont_break_if_true(emitInfo, n);
case IR_BREAK:
/* fall-through */
case IR_CONT:
@@ -1790,7 +1762,7 @@ _slang_emit_code(slang_ir_node *n, slang_var_table *vt,
emitInfo.NumSubroutines = 0;
emitInfo.EmitHighLevelInstructions = ctx->Shader.EmitHighLevelInstructions;
- emitInfo.EmitCondCodes = ctx->Shader.EmitCondCodes;
+ emitInfo.EmitCondCodes = 0*ctx->Shader.EmitCondCodes;
emitInfo.EmitComments = ctx->Shader.EmitComments;
emitInfo.EmitBeginEndSub = 0; /* XXX for compiler debug only */
diff --git a/src/mesa/shader/slang/slang_ir.c b/src/mesa/shader/slang/slang_ir.c
index dd17b4a1e0..0c2e65ab5e 100644
--- a/src/mesa/shader/slang/slang_ir.c
+++ b/src/mesa/shader/slang/slang_ir.c
@@ -326,10 +326,6 @@ _slang_print_ir_tree(const slang_ir_node *n, int indent)
case IR_BREAK:
printf("BREAK\n");
break;
- case IR_BREAK_IF_FALSE:
- printf("BREAK_IF_FALSE\n");
- _slang_print_ir_tree(n->Children[0], indent+3);
- break;
case IR_BREAK_IF_TRUE:
printf("BREAK_IF_TRUE\n");
_slang_print_ir_tree(n->Children[0], indent+3);
diff --git a/src/mesa/shader/slang/slang_ir.h b/src/mesa/shader/slang/slang_ir.h
index a183ea62e2..69db4b5451 100644
--- a/src/mesa/shader/slang/slang_ir.h
+++ b/src/mesa/shader/slang/slang_ir.h
@@ -73,7 +73,6 @@ typedef enum
IR_BREAK, /* break loop */
IR_BREAK_IF_TRUE,
- IR_BREAK_IF_FALSE,
IR_CONT_IF_TRUE,
/* Children[0] = the condition expression */