summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorMarek Olšák <[email protected]>2018-01-02 03:59:43 +0100
committerMarek Olšák <[email protected]>2018-01-06 09:51:43 +0100
commita140aeb6195553efeab703e7e21b1d553eef205e (patch)
tree1ccb98bbef04be4bc22df1e5199748c964df03cc
parent581507f10aaa8a0239c9152501ad6f79aa61a08e (diff)
ac: add ac_build_fmin/fmax helpers
Reviewed-by: Samuel Pitoiset <[email protected]>
-rw-r--r--src/amd/common/ac_llvm_build.c32
-rw-r--r--src/amd/common/ac_llvm_build.h5
2 files changed, 22 insertions, 15 deletions
diff --git a/src/amd/common/ac_llvm_build.c b/src/amd/common/ac_llvm_build.c
index 8a3a2abf17b..efc6fa12e56 100644
--- a/src/amd/common/ac_llvm_build.c
+++ b/src/amd/common/ac_llvm_build.c
@@ -1222,6 +1222,22 @@ ac_build_umsb(struct ac_llvm_context *ctx,
LLVMConstInt(ctx->i32, -1, true), msb, "");
}
+LLVMValueRef ac_build_fmin(struct ac_llvm_context *ctx, LLVMValueRef a,
+ LLVMValueRef b)
+{
+ LLVMValueRef args[2] = {a, b};
+ return ac_build_intrinsic(ctx, "llvm.minnum.f32", ctx->f32, args, 2,
+ AC_FUNC_ATTR_READNONE);
+}
+
+LLVMValueRef ac_build_fmax(struct ac_llvm_context *ctx, LLVMValueRef a,
+ LLVMValueRef b)
+{
+ LLVMValueRef args[2] = {a, b};
+ return ac_build_intrinsic(ctx, "llvm.maxnum.f32", ctx->f32, args, 2,
+ AC_FUNC_ATTR_READNONE);
+}
+
LLVMValueRef ac_build_umin(struct ac_llvm_context *ctx, LLVMValueRef a,
LLVMValueRef b)
{
@@ -1232,20 +1248,8 @@ LLVMValueRef ac_build_umin(struct ac_llvm_context *ctx, LLVMValueRef a,
LLVMValueRef ac_build_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_build_intrinsic(ctx, "llvm.maxnum.f32",
- ctx->f32, max, 2,
- AC_FUNC_ATTR_READNONE);
- return ac_build_intrinsic(ctx, "llvm.minnum.f32",
- ctx->f32, min, 2,
- AC_FUNC_ATTR_READNONE);
+ return ac_build_fmin(ctx, ac_build_fmax(ctx, value, ctx->f32_0),
+ ctx->f32_1);
}
LLVMValueRef args[3] = {
diff --git a/src/amd/common/ac_llvm_build.h b/src/amd/common/ac_llvm_build.h
index 3c81e2d43d3..e0fe0a58a46 100644
--- a/src/amd/common/ac_llvm_build.h
+++ b/src/amd/common/ac_llvm_build.h
@@ -244,7 +244,10 @@ LLVMValueRef ac_build_imsb(struct ac_llvm_context *ctx,
LLVMValueRef ac_build_umsb(struct ac_llvm_context *ctx,
LLVMValueRef arg,
LLVMTypeRef dst_type);
-
+LLVMValueRef ac_build_fmin(struct ac_llvm_context *ctx, LLVMValueRef a,
+ LLVMValueRef b);
+LLVMValueRef ac_build_fmax(struct ac_llvm_context *ctx, LLVMValueRef a,
+ LLVMValueRef b);
LLVMValueRef ac_build_umin(struct ac_llvm_context *ctx, LLVMValueRef a, LLVMValueRef b);
LLVMValueRef ac_build_clamp(struct ac_llvm_context *ctx, LLVMValueRef value);