[Mesa-dev] [PATCH] radv/ac: set no signed zero fp math on radv

[Dave Airlie]

From: Dave Airlie <airlied at redhat.com>

This is taken from radeonsi, and looks it should enable
output mods in llvm now.

Signed-off-by: Dave Airlie <airlied at redhat.com>
---
 src/amd/common/ac_nir_to_llvm.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/amd/common/ac_nir_to_llvm.c b/src/amd/common/ac_nir_to_llvm.c
index 4d2e469..36aa5e8 100644
--- a/src/amd/common/ac_nir_to_llvm.c
+++ b/src/amd/common/ac_nir_to_llvm.c
@@ -287,6 +287,9 @@ create_llvm_function(LLVMContextRef ctx, LLVMModuleRef module,
 		}
 	}
 
+	LLVMAddTargetDependentFunctionAttr(main_function,
+					   "no-signed-zeros-fp-math",
+					   "true");
 	if (unsafe_math) {
 		/* These were copied from some LLVM test. */
 		LLVMAddTargetDependentFunctionAttr(main_function,
-- 
2.7.4