RPCS3/llvm
1
0
Fork 0
mirror of https://github.com/RPCS3/llvm.git synced 2025-01-24 19:44:49 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

AVX-512: Use correct extract vector length.

Browse Source 
Bug https://llvm.org/bugs/show_bug.cgi?id=25318

Differential Revision: http://reviews.llvm.org/D14062

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@251285 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Igor Breger 2015-10-26 12:26:34 +00:00
parent e1ed72f459
commit 40b928c9fe
2 changed files with 12 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
lib/Target/X86/X86InstrAVX512.td
View File

@ -739,7 +739,7 @@ defm : vextract_for_size_lowering<"VEXTRACTI32x4Z", v8i64_info, v2i64x_info,
vextract128_extract, EXTRACT_get_vextract128_imm, [HasAVX512, NoDQI]>;
defm : vextract_for_size_lowering<"VEXTRACTF64x4Z", v16f32_info, v8f32x_info,
vextract128_extract, EXTRACT_get_vextract128_imm, [HasAVX512, NoDQI]>;
vextract256_extract, EXTRACT_get_vextract256_imm, [HasAVX512, NoDQI]>;
defm : vextract_for_size_lowering<"VEXTRACTI64x4Z", v16i32_info, v8i32x_info,
vextract256_extract, EXTRACT_get_vextract256_imm, [HasAVX512, NoDQI]>;

11
test/CodeGen/X86/vector-shuffle-512-v16.ll
View File

@ -120,3 +120,14 @@ define <16 x i32> @shuffle_v16i32_0_1_2_13_u_u_u_u_u_u_u_u_u_u_u_u(<16 x i32> %a
ret <16 x i32> %c
}
define <8 x float> @shuffle_v16f32_extract_256(float* %RET, float* %a) {
; ALL-LABEL: shuffle_v16f32_extract_256:
; ALL: # BB#0:
; ALL-NEXT: vmovups (%rsi), %zmm0
; ALL-NEXT: vextractf64x4 $1, %zmm0, %ymm0
; ALL-NEXT: retq
%ptr_a = bitcast float* %a to <16 x float>*
%v_a = load <16 x float>, <16 x float>* %ptr_a, align 4
%v2 = shufflevector <16 x float> %v_a, <16 x float> undef, <8 x i32> <i32 8, i32 9, i32 10, i32 11, i32 12, i32 13, i32 14, i32 15>
ret <8 x float> %v2
}