i965: Emit compaction stats without walking the assembly.

Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
This commit is contained in:
Matt Turner 2014-05-25 14:56:41 -07:00
parent 6fdfe3f2dc
commit 757d7ddf01
3 changed files with 12 additions and 19 deletions

View file

@ -841,23 +841,4 @@ brw_compact_instructions(struct brw_compile *p, int start_offset,
annotation[num_annotations].offset = p->next_insn_offset;
}
if (0) {
fprintf(stderr, "dumping compacted program\n");
brw_disassemble(brw, store, 0, p->next_insn_offset - start_offset, stderr);
int cmp = 0;
for (offset = 0; offset < p->next_insn_offset - start_offset;) {
struct brw_instruction *insn = store + offset;
if (insn->header.cmpt_control) {
offset += 8;
cmp++;
} else {
offset += 16;
}
}
fprintf(stderr, "%db/%db saved (%d%%)\n", cmp * 8, offset + cmp * 8,
cmp * 8 * 100 / (offset + cmp * 8));
}
}

View file

@ -1769,8 +1769,10 @@ fs_generator::generate_code(exec_list *instructions)
brw_set_uip_jip(p);
annotation_finalize(&annotation, p->next_insn_offset);
int before_size = p->next_insn_offset - start_offset;
brw_compact_instructions(p, start_offset, annotation.ann_count,
annotation.ann);
int after_size = p->next_insn_offset - start_offset;
if (unlikely(debug_flag)) {
if (prog) {
@ -1786,6 +1788,10 @@ fs_generator::generate_code(exec_list *instructions)
fprintf(stderr, "Native code for blorp program (SIMD%d dispatch):\n",
dispatch_width);
}
fprintf(stderr, "SIMD%d shader: %d instructions. Compacted %d to %d"
" bytes (%.0f%%)\n",
dispatch_width, before_size / 16, before_size, after_size,
100.0f * (before_size - after_size) / before_size);
const struct gl_program *prog = fp ? &fp->Base : NULL;

View file

@ -1311,7 +1311,9 @@ vec4_generator::generate_code(exec_list *instructions)
brw_set_uip_jip(p);
annotation_finalize(&annotation, p->next_insn_offset);
int before_size = p->next_insn_offset;
brw_compact_instructions(p, 0, annotation.ann_count, annotation.ann);
int after_size = p->next_insn_offset;
if (unlikely(debug_flag)) {
if (shader_prog) {
@ -1321,6 +1323,10 @@ vec4_generator::generate_code(exec_list *instructions)
} else {
fprintf(stderr, "Native code for vertex program %d:\n", prog->Id);
}
fprintf(stderr, "vec4 shader: %d instructions. Compacted %d to %d"
" bytes (%.0f%%)\n",
before_size / 16, before_size, after_size,
100.0f * (before_size - after_size) / before_size);
dump_assembly(p->store, annotation.ann_count, annotation.ann,
brw, prog, brw_disassemble);