Mesa (master): radeonsi: use llvm.amdgcn.rsq.f64 if available

[Marek Olšák]

Module: Mesa
Branch: master
Commit: 1fb6e55eafbbf56e0ca12aebfc129cb2ceb4a752
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=1fb6e55eafbbf56e0ca12aebfc129cb2ceb4a752

Author: Marek Olšák <marek.olsak at amd.com>
Date:   Sat Jul 30 16:23:48 2016 +0200

radeonsi: use llvm.amdgcn.rsq.f64 if available

Reviewed-by: Nicolai Hähnle <nicolai.haehnle at amd.com>

---

 src/gallium/drivers/radeon/radeon_setup_tgsi_llvm.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/gallium/drivers/radeon/radeon_setup_tgsi_llvm.c b/src/gallium/drivers/radeon/radeon_setup_tgsi_llvm.c
index 4c603fb..cd9ac26 100644
--- a/src/gallium/drivers/radeon/radeon_setup_tgsi_llvm.c
+++ b/src/gallium/drivers/radeon/radeon_setup_tgsi_llvm.c
@@ -1758,7 +1758,8 @@ void radeon_llvm_context_init(struct radeon_llvm_context *ctx, const char *tripl
 	bld_base->op_actions[TGSI_OPCODE_DSLT].emit = emit_dcmp;
 	bld_base->op_actions[TGSI_OPCODE_DSNE].emit = emit_dcmp;
 	bld_base->op_actions[TGSI_OPCODE_DRSQ].emit = build_tgsi_intrinsic_nomem;
-	bld_base->op_actions[TGSI_OPCODE_DRSQ].intr_name = "llvm.AMDGPU.rsq.f64";
+	bld_base->op_actions[TGSI_OPCODE_DRSQ].intr_name =
+		HAVE_LLVM >= 0x0309 ? "llvm.amdgcn.rsq.f64" : "llvm.AMDGPU.rsq.f64";
 	bld_base->op_actions[TGSI_OPCODE_DSQRT].emit = build_tgsi_intrinsic_nomem;
 	bld_base->op_actions[TGSI_OPCODE_DSQRT].intr_name = "llvm.sqrt.f64";
 	bld_base->op_actions[TGSI_OPCODE_ELSE].emit = else_emit;