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spirv: Fix reaching unreachable for compare exchange on images

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We were hitting the
	unreachable("Invalid image opcode")
near the end of vtn_handle_image when parsing the
SpvOpAtomicCompareExchange opcode.

v2: Add stable CC.
v3: Ignore SpvOpAtomicCompareExchangeWeak. It requires the Kernel
capability which is not exposed in Vulkan, and spirv_to_nir is not used
for OpenCL which does support it.

Reviewed-by: Jason Ekstrand <jason@jlekstrand.net>
CC: <mesa-stable@lists.freedesktop.org>
This commit is contained in:
James Legg
2017-06-26 10:46:23 +01:00
committed by Jason Ekstrand
parent aaee0d1bbf
commit b117f59710
1 changed files with 1 additions and 0 deletions
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1
src/compiler/spirv/spirv_to_nir.c
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@@ -2008,6 +2008,7 @@ vtn_handle_image(struct vtn_builder *b, SpvOp opcode,
intrin->src[2] = nir_src_for_ssa(vtn_ssa_value(b, w[3])->def);
break;
case SpvOpAtomicCompareExchange:
case SpvOpAtomicIIncrement:
case SpvOpAtomicIDecrement:
case SpvOpAtomicExchange: