diff options
| author | Tom Stellard <tstellar@gmail.com> | 2010-06-18 20:42:33 -0700 |
|---|---|---|
| committer | Marek Olšák <maraeo@gmail.com> | 2010-07-03 04:27:09 +0200 |
| commit | 0dbdcb43215c13dd7d7f83c1f1cdbfe6706109f0 (patch) | |
| tree | d48058f5e5abeb54bac279524e05c8eb2046f955 | |
| parent | 7f575309437100dcd9b1f72320845f56ac581919 (diff) | |
r300/compiler: Don't continue copy propagation inside loops.
| -rw-r--r-- | src/mesa/drivers/dri/r300/compiler/radeon_optimize.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/r300/compiler/radeon_optimize.c b/src/mesa/drivers/dri/r300/compiler/radeon_optimize.c index e760b59bd41..eca06515367 100644 --- a/src/mesa/drivers/dri/r300/compiler/radeon_optimize.c +++ b/src/mesa/drivers/dri/r300/compiler/radeon_optimize.c @@ -162,6 +162,11 @@ static void peephole(struct radeon_compiler * c, struct rc_instruction * inst_mo for(struct rc_instruction * inst = inst_mov->Next; inst != &c->Program.Instructions; inst = inst->Next) { + /* XXX In the future we might be able to make the optimizer + * smart enough to handle loops. */ + if(inst->U.I.Opcode == RC_OPCODE_BGNLOOP){ + return; + } rc_for_all_reads_mask(inst, peephole_scan_read, &s); rc_for_all_writes_mask(inst, peephole_scan_write, &s); if (s.Conflict) |