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| author | Simon Pilgrim <llvm-dev@redking.me.uk> | 2017-06-06 14:18:39 +0000 |
|---|---|---|
| committer | Simon Pilgrim <llvm-dev@redking.me.uk> | 2017-06-06 14:18:39 +0000 |
| commit | f7113fd2704af1913471f812e595e463baada3d5 (patch) | |
| tree | ec8c8db5a5903bfa5e083379d3242c7e7a35fc5c /llvm/lib | |
| parent | 8cd60a506781db87bd996768b69fef8865d0f2a6 (diff) | |
| download | bcm5719-llvm-f7113fd2704af1913471f812e595e463baada3d5.tar.gz bcm5719-llvm-f7113fd2704af1913471f812e595e463baada3d5.zip | |
[X86][AVX1] Split 256-bit vector non-temporal FastISel loads to keep it non-temporal (PR32744)
Extension to D33728
llvm-svn: 304798
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/Target/X86/X86FastISel.cpp | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/llvm/lib/Target/X86/X86FastISel.cpp b/llvm/lib/Target/X86/X86FastISel.cpp index 3cfb924abd0..621505aaded 100644 --- a/llvm/lib/Target/X86/X86FastISel.cpp +++ b/llvm/lib/Target/X86/X86FastISel.cpp @@ -414,6 +414,8 @@ bool X86FastISel::X86FastEmitLoad(EVT VT, X86AddressMode &AM, assert(HasAVX); if (IsNonTemporal && Alignment >= 32 && HasAVX2) Opc = HasVLX ? X86::VMOVNTDQAZ256rm : X86::VMOVNTDQAYrm; + else if (IsNonTemporal && Alignment >= 16) + return false; // Force split for X86::VMOVNTDQArm else if (Alignment >= 32) Opc = HasVLX ? X86::VMOVAPSZ256rm : X86::VMOVAPSYrm; else @@ -424,6 +426,8 @@ bool X86FastISel::X86FastEmitLoad(EVT VT, X86AddressMode &AM, assert(HasAVX); if (IsNonTemporal && Alignment >= 32 && HasAVX2) Opc = X86::VMOVNTDQAYrm; + else if (IsNonTemporal && Alignment >= 16) + return false; // Force split for X86::VMOVNTDQArm else if (Alignment >= 32) Opc = HasVLX ? X86::VMOVAPDZ256rm : X86::VMOVAPDYrm; else @@ -437,6 +441,8 @@ bool X86FastISel::X86FastEmitLoad(EVT VT, X86AddressMode &AM, assert(HasAVX); if (IsNonTemporal && Alignment >= 32 && HasAVX2) Opc = X86::VMOVNTDQAYrm; + else if (IsNonTemporal && Alignment >= 16) + return false; // Force split for X86::VMOVNTDQArm else if (Alignment >= 32) Opc = HasVLX ? X86::VMOVDQA64Z256rm : X86::VMOVDQAYrm; else |
