From 9f01f6093cef31a7c972e7ffc98f60964c4941ba Mon Sep 17 00:00:00 2001 From: Craig Topper Date: Mon, 30 Oct 2017 21:09:19 +0000 Subject: [X86] Add AVX512 support to fast isel's X86ChooseCmpOpcode. llvm-svn: 316955 --- llvm/lib/Target/X86/X86FastISel.cpp | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) (limited to 'llvm/lib/Target/X86/X86FastISel.cpp') diff --git a/llvm/lib/Target/X86/X86FastISel.cpp b/llvm/lib/Target/X86/X86FastISel.cpp index 19ee52efe1d..654283f32f6 100644 --- a/llvm/lib/Target/X86/X86FastISel.cpp +++ b/llvm/lib/Target/X86/X86FastISel.cpp @@ -1342,6 +1342,7 @@ bool X86FastISel::X86SelectLoad(const Instruction *I) { } static unsigned X86ChooseCmpOpcode(EVT VT, const X86Subtarget *Subtarget) { + bool HasAVX512 = Subtarget->hasAVX512(); bool HasAVX = Subtarget->hasAVX(); bool X86ScalarSSEf32 = Subtarget->hasSSE1(); bool X86ScalarSSEf64 = Subtarget->hasSSE2(); @@ -1353,9 +1354,9 @@ static unsigned X86ChooseCmpOpcode(EVT VT, const X86Subtarget *Subtarget) { case MVT::i32: return X86::CMP32rr; case MVT::i64: return X86::CMP64rr; case MVT::f32: - return X86ScalarSSEf32 ? (HasAVX ? X86::VUCOMISSrr : X86::UCOMISSrr) : 0; + return X86ScalarSSEf32 ? (HasAVX512 ? X86::VUCOMISSZrr : HasAVX ? X86::VUCOMISSrr : X86::UCOMISSrr) : 0; case MVT::f64: - return X86ScalarSSEf64 ? (HasAVX ? X86::VUCOMISDrr : X86::UCOMISDrr) : 0; + return X86ScalarSSEf64 ? (HasAVX512 ? X86::VUCOMISDZrr : HasAVX ? X86::VUCOMISDrr : X86::UCOMISDrr) : 0; } } -- cgit v1.2.3