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| author | Simon Pilgrim <llvm-dev@redking.me.uk> | 2019-02-19 16:33:17 +0000 |
|---|---|---|
| committer | Simon Pilgrim <llvm-dev@redking.me.uk> | 2019-02-19 16:33:17 +0000 |
| commit | 9d575db85ed52e87e759cb0fc88c221ef19898a4 (patch) | |
| tree | 71e87a2dcd06f4fa54c0d07edcaabd86760f513d /llvm/lib/Target | |
| parent | 26b7e859efb0dd76028003720594869c7ed64ced (diff) | |
| download | bcm5719-llvm-9d575db85ed52e87e759cb0fc88c221ef19898a4.tar.gz bcm5719-llvm-9d575db85ed52e87e759cb0fc88c221ef19898a4.zip | |
[X86][AVX] Update VBROADCAST folds to always use v2i64 X86vzload
The VBROADCAST combines and SimplifyDemandedVectorElts improvements mean that we now more consistently use shorter (128-bit) X86vzload input operands.
Follow up to D58053
llvm-svn: 354346
Diffstat (limited to 'llvm/lib/Target')
| -rw-r--r-- | llvm/lib/Target/X86/X86InstrAVX512.td | 4 | ||||
| -rw-r--r-- | llvm/lib/Target/X86/X86InstrSSE.td | 2 |
2 files changed, 3 insertions, 3 deletions
diff --git a/llvm/lib/Target/X86/X86InstrAVX512.td b/llvm/lib/Target/X86/X86InstrAVX512.td index 0fba8cb4d09..c82d1703a0d 100644 --- a/llvm/lib/Target/X86/X86InstrAVX512.td +++ b/llvm/lib/Target/X86/X86InstrAVX512.td @@ -1378,7 +1378,7 @@ multiclass avx512_subvec_broadcast_rm_dq<bits<8> opc, string OpcodeStr, let Predicates = [HasAVX512] in { // 32-bit targets will fail to load a i64 directly but can use ZEXT_LOAD. - def : Pat<(v8i64 (X86VBroadcast (v8i64 (X86vzload addr:$src)))), + def : Pat<(v8i64 (X86VBroadcast (v2i64 (X86vzload addr:$src)))), (VPBROADCASTQZm addr:$src)>; } @@ -1386,7 +1386,7 @@ let Predicates = [HasVLX] in { // 32-bit targets will fail to load a i64 directly but can use ZEXT_LOAD. def : Pat<(v2i64 (X86VBroadcast (v2i64 (X86vzload addr:$src)))), (VPBROADCASTQZ128m addr:$src)>; - def : Pat<(v4i64 (X86VBroadcast (v4i64 (X86vzload addr:$src)))), + def : Pat<(v4i64 (X86VBroadcast (v2i64 (X86vzload addr:$src)))), (VPBROADCASTQZ256m addr:$src)>; } let Predicates = [HasVLX, HasBWI] in { diff --git a/llvm/lib/Target/X86/X86InstrSSE.td b/llvm/lib/Target/X86/X86InstrSSE.td index bc2622446bc..a55b1489e9e 100644 --- a/llvm/lib/Target/X86/X86InstrSSE.td +++ b/llvm/lib/Target/X86/X86InstrSSE.td @@ -7850,7 +7850,7 @@ let Predicates = [HasAVX2, NoVLX] in { // 32-bit targets will fail to load a i64 directly but can use ZEXT_LOAD. def : Pat<(v2i64 (X86VBroadcast (v2i64 (X86vzload addr:$src)))), (VPBROADCASTQrm addr:$src)>; - def : Pat<(v4i64 (X86VBroadcast (v4i64 (X86vzload addr:$src)))), + def : Pat<(v4i64 (X86VBroadcast (v2i64 (X86vzload addr:$src)))), (VPBROADCASTQYrm addr:$src)>; def : Pat<(v4i32 (X86VBroadcast (v4i32 (scalar_to_vector (loadi32 addr:$src))))), |
