Mesa (master): ac/llvm: set xnack like radeonsi does.

[Dave Airlie]

Module: Mesa
Branch: master
Commit: d97275e42c0750fa74ce17de4f985c73c54a1bf4
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=d97275e42c0750fa74ce17de4f985c73c54a1bf4

Author: Dave Airlie <airlied at redhat.com>
Date:   Thu Jul  6 03:01:56 2017 +0100

ac/llvm: set xnack like radeonsi does.

Use family, but only set xnack+ for gfx9.

Reviewed-by: Bas Nieuwenhuizen <bas at basnieuwenhuizen.nl>
Signed-off-by: Dave Airlie <airlied at redhat.com>

---

 src/amd/common/ac_llvm_util.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/amd/common/ac_llvm_util.c b/src/amd/common/ac_llvm_util.c
index 4f32d4bb97..84ed73f164 100644
--- a/src/amd/common/ac_llvm_util.c
+++ b/src/amd/common/ac_llvm_util.c
@@ -126,7 +126,9 @@ LLVMTargetMachineRef ac_create_target_machine(enum radeon_family family, enum ac
 	LLVMTargetRef target = ac_get_llvm_target(triple);
 
 	snprintf(features, sizeof(features),
-		 "+DumpCode,+vgpr-spilling,-fp32-denormals,-xnack");
+		 "+DumpCode,+vgpr-spilling,-fp32-denormals%s",
+		 family >= CHIP_VEGA10 ? ",+xnack" : ",-xnack");
+	
 	LLVMTargetMachineRef tm = LLVMCreateTargetMachine(
 	                             target,
 	                             triple,