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i965/fs: Add some minimal backend-IR dumping.

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Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
This commit is contained in:
Eric Anholt 2012-10-30 15:35:44 -07:00
parent 960ab06da0
commit 154ef07aa7
2 changed files with 92 additions and 0 deletions
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89
src/mesa/drivers/dri/i965/brw_fs.cpp
View file

@ -1935,6 +1935,95 @@ fs_visitor::remove_duplicate_mrf_writes()
return progress;
}
void
fs_visitor::dump_instruction(fs_inst *inst)
{
if (inst->opcode < ARRAY_SIZE(opcode_descs) &&
opcode_descs[inst->opcode].name) {
printf("%s", opcode_descs[inst->opcode].name);
} else {
printf("op%d", inst->opcode);
}
if (inst->saturate)
printf(".sat");
printf(" ");
switch (inst->dst.file) {
case GRF:
printf("vgrf%d", inst->dst.reg);
if (inst->dst.reg_offset)
printf("+%d", inst->dst.reg_offset);
break;
case MRF:
printf("m%d", inst->dst.reg);
break;
case BAD_FILE:
printf("(null)");
break;
case UNIFORM:
printf("***u%d***", inst->dst.reg);
break;
default:
printf("???");
break;
}
printf(", ");
for (int i = 0; i < 3; i++) {
if (inst->src[i].negate)
printf("-");
if (inst->src[i].abs)
printf("|");
switch (inst->src[i].file) {
case GRF:
printf("vgrf%d", inst->src[i].reg);
if (inst->src[i].reg_offset)
printf("+%d", inst->src[i].reg_offset);
break;
case MRF:
printf("***m%d***", inst->src[i].reg);
break;
case UNIFORM:
printf("u%d", inst->src[i].reg);
if (inst->src[i].reg_offset)
printf(".%d", inst->src[i].reg_offset);
break;
case BAD_FILE:
printf("(null)");
break;
default:
printf("???");
break;
}
if (inst->src[i].abs)
printf("|");
if (i < 3)
printf(", ");
}
printf(" ");
if (inst->force_uncompressed)
printf("1sthalf ");
if (inst->force_sechalf)
printf("2ndhalf ");
printf("\n");
}
void
fs_visitor::dump_instructions()
{
int ip = 0;
foreach_list(node, &this->instructions) {
fs_inst *inst = (fs_inst *)node;
printf("%d: ", ip++);
dump_instruction(inst);
}
}
/**
* Possibly returns an instruction that set up @param reg.
*

3
src/mesa/drivers/dri/i965/brw_fs.h
View file

@ -365,6 +365,9 @@ public:
void setup_builtin_uniform_values(ir_variable *ir);
int implied_mrf_writes(fs_inst *inst);
void dump_instructions();
void dump_instruction(fs_inst *inst);
const struct gl_fragment_program *fp;
struct brw_wm_compile *c;