AlexIndustrial/mesa
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

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

Browse Source 
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 14:51:40 +01:00
parent 1565118d8f
commit c8af1d51d4
1 changed files with 13 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/amd/llvm/ac_llvm_build.c
+13 -6
View File
@@ -3818,10 +3818,17 @@ ds_pattern_bitmode(unsigned and_mask, unsigned or_mask, unsigned xor_mask)
static LLVMValueRef
_ac_build_ds_swizzle(struct ac_llvm_context *ctx, LLVMValueRef src, unsigned mask)
{
return ac_build_intrinsic(ctx, "llvm.amdgcn.ds.swizzle",
LLVMTypeOf(src), (LLVMValueRef []) {
LLVMTypeRef src_type = LLVMTypeOf(src);
LLVMValueRef ret;
src = LLVMBuildZExt(ctx->builder, src, ctx->i32, "");
ret = ac_build_intrinsic(ctx, "llvm.amdgcn.ds.swizzle", ctx->i32,
(LLVMValueRef []) {
src, LLVMConstInt(ctx->i32, mask, 0) },
2, AC_FUNC_ATTR_READNONE | AC_FUNC_ATTR_CONVERGENT);
2, AC_FUNC_ATTR_READNONE | AC_FUNC_ATTR_CONVERGENT);
return LLVMBuildTrunc(ctx->builder, ret, src_type, "");
}
LLVMValueRef
@@ -3831,9 +3838,7 @@ ac_build_ds_swizzle(struct ac_llvm_context *ctx, LLVMValueRef src, unsigned mask
src = ac_to_integer(ctx, src);
unsigned bits = LLVMGetIntTypeWidth(LLVMTypeOf(src));
LLVMValueRef ret;
if (bits == 32) {
ret = _ac_build_ds_swizzle(ctx, src, mask);
} else {
if (bits > 32) {
assert(bits % 32 == 0);
LLVMTypeRef vec_type = LLVMVectorType(ctx->i32, bits / 32);
LLVMValueRef src_vector =
@@ -3850,6 +3855,8 @@ ac_build_ds_swizzle(struct ac_llvm_context *ctx, LLVMValueRef src, unsigned mask
LLVMConstInt(ctx->i32, i,
0), "");
}
} else {
ret = _ac_build_ds_swizzle(ctx, src, mask);
}
return LLVMBuildBitCast(ctx->builder, ret, src_type, "");
}