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mesa: add missing size check for assignment optimization
author
Brian Paul
<brian.paul@tungstengraphics.com>
Wed, 26 Nov 2008 16:35:08 +0000
(09:35 -0700)
committer
Brian Paul
<brianp@vmware.com>
Tue, 6 Jan 2009 16:03:06 +0000
(09:03 -0700)
(cherry picked from commit
aa40de5c6f7f70844d4a4c726456cceaee9f0e4d
)
src/mesa/shader/slang/slang_emit.c
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diff --git
a/src/mesa/shader/slang/slang_emit.c
b/src/mesa/shader/slang/slang_emit.c
index
9266070
..
7b45195
100644
(file)
--- a/
src/mesa/shader/slang/slang_emit.c
+++ b/
src/mesa/shader/slang/slang_emit.c
@@
-1321,7
+1321,8
@@
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