Mesa (master): nv50/ir: fix ConstantFolding::createMul for 64 bit muls
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Sat Oct 20 10:21:30 UTC 2018
Module: Mesa
Branch: master
Commit: 2d235d69c825a22f218507fd2ba186973ba79002
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=2d235d69c825a22f218507fd2ba186973ba79002
Author: Karol Herbst <kherbst at redhat.com>
Date: Fri Oct 19 19:26:39 2018 +0200
nv50/ir: fix ConstantFolding::createMul for 64 bit muls
Fixes: 2f52925f5c60c72c9389bfdc122c3d5f8e15b25f
"nv50/ir: move a * b -> a << log2(b) code into createMul()"
Reviewed-by: Rhys Perry <pendingchaos02 at gmail.com>
Signed-off-by: Karol Herbst <kherbst at redhat.com>
---
src/gallium/drivers/nouveau/codegen/nv50_ir_peephole.cpp | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/src/gallium/drivers/nouveau/codegen/nv50_ir_peephole.cpp b/src/gallium/drivers/nouveau/codegen/nv50_ir_peephole.cpp
index d851cf3c37..8767e5efb9 100644
--- a/src/gallium/drivers/nouveau/codegen/nv50_ir_peephole.cpp
+++ b/src/gallium/drivers/nouveau/codegen/nv50_ir_peephole.cpp
@@ -965,7 +965,7 @@ ConstantFolding::createMul(DataType ty, Value *def, Value *a, int64_t b, Value *
if (b >= 0 && util_is_power_of_two_or_zero64(b)) {
int shl = util_logbase2_64(b);
- Value *res = c ? bld.getSSA() : def;
+ Value *res = c ? bld.getSSA(typeSizeof(ty)) : def;
bld.mkOp2(OP_SHL, ty, res, a, bld.mkImm(shl));
if (c)
bld.mkOp2(OP_ADD, ty, def, res, c);
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