diff options
| author | Dave Airlie <[email protected]> | 2017-02-16 03:46:16 +0000 |
|---|---|---|
| committer | Dave Airlie <[email protected]> | 2017-02-16 22:57:16 +0000 |
| commit | 4617ad07e066c70950a1ace34ab62b6209db8836 (patch) | |
| tree | bfa9310d229a11ef8a7822082d4aab1465ca5e71 /src/amd/common | |
| parent | e933331cd75d91449eda78edf3e830cd09ad9ee2 (diff) | |
radeon/ac: use llvm.amdgcn.sffbh intrinsic instead of AMDGPU.flbit.i32
Use the newer intrinsic.
Reviewed-by: Edward O'Callaghan <[email protected]>
Reviewed-by: Marek Olšák <[email protected]>
Signed-off-by: Dave Airlie <[email protected]>
Diffstat (limited to 'src/amd/common')
| -rw-r--r-- | src/amd/common/ac_llvm_build.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/src/amd/common/ac_llvm_build.c b/src/amd/common/ac_llvm_build.c index 180fd2414a5..dda2c0b9421 100644 --- a/src/amd/common/ac_llvm_build.c +++ b/src/amd/common/ac_llvm_build.c @@ -769,7 +769,8 @@ ac_emit_imsb(struct ac_llvm_context *ctx, LLVMValueRef arg, LLVMTypeRef dst_type) { - LLVMValueRef msb = ac_emit_llvm_intrinsic(ctx, "llvm.AMDGPU.flbit.i32", + const char *intr_name = (HAVE_LLVM < 0x0400) ? "llvm.AMDGPU.flbit.i32" : "llvm.amdgcn.sffbh"; + LLVMValueRef msb = ac_emit_llvm_intrinsic(ctx, intr_name, dst_type, &arg, 1, AC_FUNC_ATTR_READNONE); |