gallivm: fix atomic compare-and-swap

Not sure how I missed this before, but compswap was hitting an
assert here as it is it's own special case.

Fixes: b5ac381d8f ("gallivm: add buffer operations to the tgsi->llvm conversion.")
Reviewed-by: Roland Scheidegger <sroland@vmware.com>

diff --git a/src/gallium/auxiliary/gallivm/lp_bld_tgsi_soa.c b/src/gallium/auxiliary/gallivm/lp_bld_tgsi_soa.c
index 31f6f082acc3d5bd0b13f0785f39cc34a8d2824b..7c747f38e7ab741e14820074179742a1296a2d27 100644 (file)
--- a/src/gallium/auxiliary/gallivm/lp_bld_tgsi_soa.c
+++ b/src/gallium/auxiliary/gallivm/lp_bld_tgsi_soa.c
@@ -3585,6 +3585,8 @@ atomic_emit(
    case TGSI_OPCODE_ATOMIMAX:
       op = LLVMAtomicRMWBinOpMax;
       break;
+   case TGSI_OPCODE_ATOMCAS:
+      break;
    default:
       assert(0);
       return;