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-rw-r--r--src/mesa/drivers/dri/r300/compiler/radeon_remove_constants.c150
1 files changed, 75 insertions, 75 deletions
diff --git a/src/mesa/drivers/dri/r300/compiler/radeon_remove_constants.c b/src/mesa/drivers/dri/r300/compiler/radeon_remove_constants.c
index 2e0e4ef898..7b3468a27e 100644
--- a/src/mesa/drivers/dri/r300/compiler/radeon_remove_constants.c
+++ b/src/mesa/drivers/dri/r300/compiler/radeon_remove_constants.c
@@ -31,104 +31,104 @@
static void remap_regs(void * userdata, struct rc_instruction * inst,
rc_register_file * pfile, unsigned int * pindex)
{
- unsigned *inv_remap_table = userdata;
+ unsigned *inv_remap_table = userdata;
- if (*pfile == RC_FILE_CONSTANT) {
- *pindex = inv_remap_table[*pindex];
- }
+ if (*pfile == RC_FILE_CONSTANT) {
+ *pindex = inv_remap_table[*pindex];
+ }
}
void rc_remove_unused_constants(struct radeon_compiler *c, void *user)
{
unsigned **out_remap_table = (unsigned**)user;
- unsigned char *const_used;
- unsigned *remap_table;
- unsigned *inv_remap_table;
- unsigned has_rel_addr = 0;
- unsigned is_identity = 1;
+ unsigned char *const_used;
+ unsigned *remap_table;
+ unsigned *inv_remap_table;
+ unsigned has_rel_addr = 0;
+ unsigned is_identity = 1;
unsigned are_externals_remapped = 0;
- struct rc_constant *constants = c->Program.Constants.Constants;
+ struct rc_constant *constants = c->Program.Constants.Constants;
- if (!c->Program.Constants.Count) {
- *out_remap_table = NULL;
- return;
- }
+ if (!c->Program.Constants.Count) {
+ *out_remap_table = NULL;
+ return;
+ }
- const_used = malloc(c->Program.Constants.Count);
- memset(const_used, 0, c->Program.Constants.Count);
+ const_used = malloc(c->Program.Constants.Count);
+ memset(const_used, 0, c->Program.Constants.Count);
/* Pass 1: Mark used constants. */
- for (struct rc_instruction *inst = c->Program.Instructions.Next;
- inst != &c->Program.Instructions; inst = inst->Next) {
- const struct rc_opcode_info *opcode = rc_get_opcode_info(inst->U.I.Opcode);
-
- /* XXX: This loop and the if statement after it should be
- * replaced by a call to one of the rc_for_all_reads_* functions.
- * The reason it does not use one of those functions now is
- * because none of them have RelAddr as an argument. */
- for (unsigned i = 0; i < opcode->NumSrcRegs; i++) {
- if (inst->U.I.SrcReg[i].File == RC_FILE_CONSTANT) {
- if (inst->U.I.SrcReg[i].RelAddr) {
- has_rel_addr = 1;
- } else {
- const_used[inst->U.I.SrcReg[i].Index] = 1;
- }
- }
- }
- if (inst->U.I.PreSub.Opcode != RC_PRESUB_NONE) {
+ for (struct rc_instruction *inst = c->Program.Instructions.Next;
+ inst != &c->Program.Instructions; inst = inst->Next) {
+ const struct rc_opcode_info *opcode = rc_get_opcode_info(inst->U.I.Opcode);
+
+ /* XXX: This loop and the if statement after it should be
+ * replaced by a call to one of the rc_for_all_reads_* functions.
+ * The reason it does not use one of those functions now is
+ * because none of them have RelAddr as an argument. */
+ for (unsigned i = 0; i < opcode->NumSrcRegs; i++) {
+ if (inst->U.I.SrcReg[i].File == RC_FILE_CONSTANT) {
+ if (inst->U.I.SrcReg[i].RelAddr) {
+ has_rel_addr = 1;
+ } else {
+ const_used[inst->U.I.SrcReg[i].Index] = 1;
+ }
+ }
+ }
+ if (inst->U.I.PreSub.Opcode != RC_PRESUB_NONE) {
unsigned int i;
unsigned int srcp_regs = rc_presubtract_src_reg_count(
inst->U.I.PreSub.Opcode);
for( i = 0; i < srcp_regs; i++) {
- if (inst->U.I.PreSub.SrcReg[i].File ==
- RC_FILE_CONSTANT) {
- const_used[
- inst->U.I.PreSub.SrcReg[i].Index] = 1;
- }
- }
+ if (inst->U.I.PreSub.SrcReg[i].File ==
+ RC_FILE_CONSTANT) {
+ const_used[
+ inst->U.I.PreSub.SrcReg[i].Index] = 1;
+ }
+ }
}
- }
+ }
- /* Pass 2: If there is relative addressing, mark all externals as used. */
- if (has_rel_addr) {
- for (unsigned i = 0; i < c->Program.Constants.Count; i++)
- if (constants[i].Type == RC_CONSTANT_EXTERNAL)
- const_used[i] = 1;
- }
+ /* Pass 2: If there is relative addressing, mark all externals as used. */
+ if (has_rel_addr) {
+ for (unsigned i = 0; i < c->Program.Constants.Count; i++)
+ if (constants[i].Type == RC_CONSTANT_EXTERNAL)
+ const_used[i] = 1;
+ }
- /* Pass 3: Make the remapping table and remap constants.
+ /* Pass 3: Make the remapping table and remap constants.
* This pass removes unused constants simply by overwriting them by other constants. */
- remap_table = malloc(c->Program.Constants.Count * sizeof(unsigned));
- inv_remap_table = malloc(c->Program.Constants.Count * sizeof(unsigned));
- unsigned new_count = 0;
+ remap_table = malloc(c->Program.Constants.Count * sizeof(unsigned));
+ inv_remap_table = malloc(c->Program.Constants.Count * sizeof(unsigned));
+ unsigned new_count = 0;
- for (unsigned i = 0; i < c->Program.Constants.Count; i++) {
- if (const_used[i]) {
- remap_table[new_count] = i;
- inv_remap_table[i] = new_count;
+ for (unsigned i = 0; i < c->Program.Constants.Count; i++) {
+ if (const_used[i]) {
+ remap_table[new_count] = i;
+ inv_remap_table[i] = new_count;
- if (i != new_count) {
+ if (i != new_count) {
if (constants[i].Type == RC_CONSTANT_EXTERNAL)
are_externals_remapped = 1;
constants[new_count] = constants[i];
- is_identity = 0;
- }
- new_count++;
- }
- }
+ is_identity = 0;
+ }
+ new_count++;
+ }
+ }
/* is_identity ==> new_count == old_count
* !is_identity ==> new_count < old_count */
assert( is_identity || new_count < c->Program.Constants.Count);
assert(!(has_rel_addr && are_externals_remapped));
- /* Pass 4: Redirect reads of all constants to their new locations. */
- if (!is_identity) {
- for (struct rc_instruction *inst = c->Program.Instructions.Next;
- inst != &c->Program.Instructions; inst = inst->Next) {
- rc_remap_registers(inst, remap_regs, inv_remap_table);
- }
+ /* Pass 4: Redirect reads of all constants to their new locations. */
+ if (!is_identity) {
+ for (struct rc_instruction *inst = c->Program.Instructions.Next;
+ inst != &c->Program.Instructions; inst = inst->Next) {
+ rc_remap_registers(inst, remap_regs, inv_remap_table);
+ }
}
@@ -138,14 +138,14 @@ void rc_remove_unused_constants(struct radeon_compiler *c, void *user)
c->Program.Constants.Count = new_count;
if (are_externals_remapped) {
- *out_remap_table = remap_table;
- } else {
- *out_remap_table = NULL;
- free(remap_table);
- }
-
- free(const_used);
- free(inv_remap_table);
+ *out_remap_table = remap_table;
+ } else {
+ *out_remap_table = NULL;
+ free(remap_table);
+ }
+
+ free(const_used);
+ free(inv_remap_table);
if (c->Debug)
rc_constants_print(&c->Program.Constants);
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-09 06:59:08 +0000