SPIR-V has the two arguments in the opposite order from GLSL.  NIR uses the
GLSL order so we had them backwards.

Fixes dEQP-VK.spirv_assembly.instruction.compute.opatomic.compex

Signed-off-by: Jason Ekstrand <ja...@jlekstrand.net>
Cc: "12.0" <mesa-sta...@lists.freedesktop.org>
---
 src/compiler/spirv/spirv_to_nir.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/compiler/spirv/spirv_to_nir.c 
b/src/compiler/spirv/spirv_to_nir.c
index fda38f9..4c0c794 100644
--- a/src/compiler/spirv/spirv_to_nir.c
+++ b/src/compiler/spirv/spirv_to_nir.c
@@ -1847,8 +1847,8 @@ fill_common_atomic_sources(struct vtn_builder *b, SpvOp 
opcode,
       break;
 
    case SpvOpAtomicCompareExchange:
-      src[0] = nir_src_for_ssa(vtn_ssa_value(b, w[7])->def);
-      src[1] = nir_src_for_ssa(vtn_ssa_value(b, w[8])->def);
+      src[0] = nir_src_for_ssa(vtn_ssa_value(b, w[8])->def);
+      src[1] = nir_src_for_ssa(vtn_ssa_value(b, w[7])->def);
       break;
       /* Fall through */
 
-- 
2.5.0.400.gff86faf

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