Mesa (master): mesa: add missing size check for assignment optimization
Brian Paul
brianp at kemper.freedesktop.org
Wed Nov 26 17:03:58 UTC 2008
Module: Mesa
Branch: master
Commit: aa40de5c6f7f70844d4a4c726456cceaee9f0e4d
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=aa40de5c6f7f70844d4a4c726456cceaee9f0e4d
Author: Brian Paul <brian.paul at tungstengraphics.com>
Date: Wed Nov 26 09:35:08 2008 -0700
mesa: add missing size check for assignment optimization
---
src/mesa/shader/slang/slang_emit.c | 3 ++-
1 files changed, 2 insertions(+), 1 deletions(-)
diff --git a/src/mesa/shader/slang/slang_emit.c b/src/mesa/shader/slang/slang_emit.c
index f31e9b4..e3cb252 100644
--- a/src/mesa/shader/slang/slang_emit.c
+++ b/src/mesa/shader/slang/slang_emit.c
@@ -1324,7 +1324,8 @@ emit_copy(slang_emit_info *emitInfo, slang_ir_node *n)
_slang_is_temp(emitInfo->vt, n->Children[1]->Store) &&
(inst->DstReg.File == n->Children[1]->Store->File) &&
(inst->DstReg.Index == n->Children[1]->Store->Index) &&
- !n->Children[0]->Store->IsIndirect) {
+ !n->Children[0]->Store->IsIndirect &&
+ n->Children[0]->Store->Size <= 4) {
/* Peephole optimization:
* The Right-Hand-Side has its results in a temporary place.
* Modify the RHS (and the prev instruction) to store its results
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