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nv50/ir: Add support for 64bit immediates to checkSwapSrc01

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Now that we support 64 bit immediates in insnCanLoad, we need to swap
64 bit immediate sources too for optimal effect.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Ilia Mirkin <imirkin@alum.mit.edu>
This commit is contained in:
Hans de Goede 2015-11-05 14:32:38 +01:00 • committed by Ilia Mirkin
parent 9f2f8bda6e
commit f979d3cfec
1 changed files with 6 additions and 5 deletions
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11
src/gallium/drivers/nouveau/codegen/nv50_ir_peephole.cpp
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@ -155,7 +155,7 @@ private:
void checkSwapSrc01(Instruction *);
bool isCSpaceLoad(Instruction *);
bool isImmd32Load(Instruction *);
bool isImmdLoad(Instruction *);
bool isAttribOrSharedLoad(Instruction *);
};
@ -166,9 +166,10 @@ LoadPropagation::isCSpaceLoad(Instruction *ld)
}
bool
LoadPropagation::isImmd32Load(Instruction *ld)
LoadPropagation::isImmdLoad(Instruction *ld)
{
if (!ld || (ld->op != OP_MOV) || (typeSizeof(ld->dType) != 4))
if (!ld || (ld->op != OP_MOV) ||
((typeSizeof(ld->dType) != 4) && (typeSizeof(ld->dType) != 8)))
return false;
return ld->src(0).getFile() == FILE_IMMEDIATE;
}
@ -201,8 +202,8 @@ LoadPropagation::checkSwapSrc01(Instruction *insn)
else
return;
} else
if (isImmd32Load(i0)) {
if (!isCSpaceLoad(i1) && !isImmd32Load(i1))
if (isImmdLoad(i0)) {
if (!isCSpaceLoad(i1) && !isImmdLoad(i1))
insn->swapSources(0, 1);
else
return;