From: Marek Olšák <[email protected]>
It selects v_med3_f32, which has the same rate & size.
---
src/amd/common/ac_llvm_build.c | 17 +++++++++++++++++
1 file changed, 17 insertions(+)
diff --git a/src/amd/common/ac_llvm_build.c b/src/amd/common/ac_llvm_build.c
index 7e8552b..cbc048c 100644
--- a/src/amd/common/ac_llvm_build.c
+++ b/src/amd/common/ac_llvm_build.c
@@ -759,20 +759,37 @@ ac_emit_sendmsg(struct ac_llvm_context *ctx,
LLVMValueRef args[2];
const char *intr_name = (HAVE_LLVM < 0x0400) ? "llvm.SI.sendmsg" :
"llvm.amdgcn.s.sendmsg";
args[0] = LLVMConstInt(ctx->i32, msg, false);
args[1] = wave_id;
ac_emit_llvm_intrinsic(ctx, intr_name, ctx->voidt,
args, 2, 0);
}
LLVMValueRef ac_emit_clamp(struct ac_llvm_context *ctx, LLVMValueRef value)
{
+ if (HAVE_LLVM >= 0x0500) {
+ LLVMValueRef max[2] = {
+ value,
+ LLVMConstReal(ctx->f32, 0),
+ };
+ LLVMValueRef min[2] = {
+ LLVMConstReal(ctx->f32, 1),
+ };
+
+ min[1] = ac_emit_llvm_intrinsic(ctx, "llvm.maxnum.f32",
+ ctx->f32, max, 2,
+ AC_FUNC_ATTR_READNONE);
+ return ac_emit_llvm_intrinsic(ctx, "llvm.minnum.f32",
+ ctx->f32, min, 2,
+ AC_FUNC_ATTR_READNONE);
+ }
+
const char *intr = HAVE_LLVM >= 0x0308 ? "llvm.AMDGPU.clamp." :
"llvm.AMDIL.clamp.";
LLVMValueRef args[3] = {
value,
LLVMConstReal(ctx->f32, 0),
LLVMConstReal(ctx->f32, 1),
};
return ac_emit_llvm_intrinsic(ctx, intr, ctx->f32, args, 3,
AC_FUNC_ATTR_READNONE);
--
2.7.4
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