From: Dave Airlie <airlied@redhat.com>
Date: Tue, 20 Aug 2019 05:44:50 +0000 (+1000)
Subject: gallivm: fix atomic compare-and-swap
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=1eda49cc3de22e97a70944367d17d5afe611f3cc;p=mesa.git

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 31f6f082acc..7c747f38e7a 100644
--- 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;