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R600: Fix regression with shadow array sampler on pre-SI GPUs.

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'R600/SI: Use proper instructions for array/shadow samplers.' removed two
cases from TEX_SHADOW. Vincent Lejeune reported on IRC that this broke some
shadow array piglit tests with the r600g driver. Reinstating the removed
cases should fix this, and still works with radeonsi as well.

I will follow up with some lit tests which would have caught the regression.

NOTE: This is a candidate for the Mesa stable branch.

Tested-by: Vincent Lejeune <vljn@ovi.com>
Reviewed-by: Tom Stellard <thomas.stellard@amd.com>
llvm-svn: 174963
This commit is contained in:
Michel Danzer 2013-02-12 12:11:23 +00:00
parent 2a0a9b8280
commit 6e93c3c0af
1 changed files with 1 additions and 1 deletions
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2
lib/Target/R600/R600Instructions.td
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@ -399,7 +399,7 @@ class R600_TEX <bits<11> inst, string opName, list<dag> pattern,
def TEX_SHADOW : PatLeaf<
(imm),
[{uint32_t TType = (uint32_t)N->getZExtValue();
return (TType >= 6 && TType <= 8) || TType == 13;
return (TType >= 6 && TType <= 8) || (TType >= 11 && TType <= 13);
}]
>;