fdo-mirrors/mesa
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/mesa/mesa.git synced 2026-05-09 04:38:03 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions 1

ac/llvm: fix bitfield ops

Browse source 
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/35423>
This commit is contained in:
Karol Herbst 2025-06-11 23:25:07 +02:00 • committed by Marge Bot
parent 358addb78d
commit 4ff66b4343
2 changed files with 2 additions and 3 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
src/amd/common/nir/ac_nir.c
View file

@ -45,6 +45,8 @@ void ac_nir_set_options(struct radeon_info *info, bool use_llvm,
options->lower_ineg = true;
options->lower_bitfield_insert = true;
options->lower_bitfield_extract = true;
options->lower_bitfield_extract16 = use_llvm;
options->lower_bitfield_extract8 = use_llvm;
options->lower_pack_snorm_4x8 = true;
options->lower_pack_unorm_4x8 = true;
options->lower_pack_half_2x16 = true;

3
src/amd/llvm/ac_llvm_build.c
View file

@ -2197,18 +2197,15 @@ LLVMValueRef ac_build_bitfield_reverse(struct ac_llvm_context *ctx, LLVMValueRef
switch (bitsize) {
case 64:
result = ac_build_intrinsic(ctx, "llvm.bitreverse.i64", ctx->i64, (LLVMValueRef[]){src0}, 1, 0);
result = LLVMBuildTrunc(ctx->builder, result, ctx->i32, "");
break;
case 32:
result = ac_build_intrinsic(ctx, "llvm.bitreverse.i32", ctx->i32, (LLVMValueRef[]){src0}, 1, 0);
break;
case 16:
result = ac_build_intrinsic(ctx, "llvm.bitreverse.i16", ctx->i16, (LLVMValueRef[]){src0}, 1, 0);
result = LLVMBuildZExt(ctx->builder, result, ctx->i32, "");
break;
case 8:
result = ac_build_intrinsic(ctx, "llvm.bitreverse.i8", ctx->i8, (LLVMValueRef[]){src0}, 1, 0);
result = LLVMBuildZExt(ctx->builder, result, ctx->i32, "");
break;
default:
unreachable("invalid bitsize");