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ac: add 8-bit and 16-bit supports to ac_build_wwm()

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Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
This commit is contained in:
Samuel Pitoiset
2019-11-08 17:12:15 +01:00
parent ef352a2466
commit 21a9243f5e
1 changed files with 18 additions and 3 deletions
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src/amd/llvm/ac_llvm_build.c
+18 -3
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@@ -3864,12 +3864,27 @@ ac_build_ds_swizzle(struct ac_llvm_context *ctx, LLVMValueRef src, unsigned mask
static LLVMValueRef
ac_build_wwm(struct ac_llvm_context *ctx, LLVMValueRef src)
{
LLVMTypeRef src_type = LLVMTypeOf(src);
unsigned bitsize = ac_get_elem_bits(ctx, src_type);
char name[32], type[8];
LLVMValueRef ret;
src = ac_to_integer(ctx, src);
if (bitsize < 32)
src = LLVMBuildZExt(ctx->builder, src, ctx->i32, "");
ac_build_type_name_for_intr(LLVMTypeOf(src), type, sizeof(type));
snprintf(name, sizeof(name), "llvm.amdgcn.wwm.%s", type);
return ac_build_intrinsic(ctx, name, LLVMTypeOf(src),
(LLVMValueRef []) { src }, 1,
AC_FUNC_ATTR_READNONE);
ret = ac_build_intrinsic(ctx, name, LLVMTypeOf(src),
(LLVMValueRef []) { src }, 1,
AC_FUNC_ATTR_READNONE);
if (bitsize < 32)
ret = LLVMBuildTrunc(ctx->builder, ret,
ac_to_integer_type(ctx, src_type), "");
return LLVMBuildBitCast(ctx->builder, ret, src_type, "");
}
static LLVMValueRef