r-b
On Tue, Mar 19, 2019 at 11:37 PM Samuel Pitoiset
<samuel.pitoi...@gmail.com> wrote:
>
> Noticed with a Doom shader.
>
> 29077 shaders in 15096 tests
> Totals:
> SGPRS: 1282125 -> 1282133 (0.00 %)
> VGPRS: 908716 -> 908616 (-0.01 %)
> Spilled SGPRs: 24811 -> 24779 (-0.13 %)
> Code Size: 49048176 -> 48936488 (-0.23 %) bytes
> Max Waves: 244232 -> 244226 (-0.00 %)
>
> Totals from affected shaders:
> SGPRS: 229584 -> 229592 (0.00 %)
> VGPRS: 163268 -> 163168 (-0.06 %)
> Spilled SGPRs: 8682 -> 8650 (-0.37 %)
> Code Size: 12819572 -> 12707884 (-0.87 %) bytes
> Max Waves: 24398 -> 24392 (-0.02 %)
>
> Signed-off-by: Samuel Pitoiset <samuel.pitoi...@gmail.com>
> ---
> src/amd/common/ac_llvm_build.c | 9 ++++-----
> 1 file changed, 4 insertions(+), 5 deletions(-)
>
> diff --git a/src/amd/common/ac_llvm_build.c b/src/amd/common/ac_llvm_build.c
> index 0cab4d4a9b5..9cf1c6f8792 100644
> --- a/src/amd/common/ac_llvm_build.c
> +++ b/src/amd/common/ac_llvm_build.c
> @@ -2155,19 +2155,18 @@ LLVMValueRef ac_build_fract(struct ac_llvm_context
> *ctx, LLVMValueRef src0,
> char *intr;
>
> if (bitsize == 32) {
> - intr = "llvm.floor.f32";
> + intr = "llvm.amdgcn.fract.f32";
> type = ctx->f32;
> } else {
> - intr = "llvm.floor.f64";
> + intr = "llvm.amdgcn.fract.f64";
> type = ctx->f64;
> }
>
> LLVMValueRef params[] = {
> src0,
> };
> - LLVMValueRef floor = ac_build_intrinsic(ctx, intr, type, params, 1,
> - AC_FUNC_ATTR_READNONE);
> - return LLVMBuildFSub(ctx->builder, src0, floor, "");
> + return ac_build_intrinsic(ctx, intr, type, params, 1,
> + AC_FUNC_ATTR_READNONE);
> }
>
> LLVMValueRef ac_build_isign(struct ac_llvm_context *ctx, LLVMValueRef src0,
> --
> 2.21.0
>
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