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Differential D39576

[X86] Add -mprefer-avx256 and -mprefer-avx128 to the clang driver
AbandonedPublic

Authored by craig.topper on Nov 2 2017, 3:42 PM.

Details

Reviewers
RKSimon
zvi
DavidKreitzer
Summary

As proposed in this RFC http://lists.llvm.org/pipermail/llvm-dev/2017-November/118734.html

Diff Detail

Revision Contents

PathSize
include/
clang/
Driver/
4 lines
test/
Driver/
10 lines

Diff 121399

include/clang/Driver/Options.td

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def mmwaitx : Flag<["-"], "mmwaitx">, Group<m_x86_Features_Group>; def mmwaitx : Flag<["-"], "mmwaitx">, Group<m_x86_Features_Group>;
def mno_mwaitx : Flag<["-"], "mno-mwaitx">, Group<m_x86_Features_Group>; def mno_mwaitx : Flag<["-"], "mno-mwaitx">, Group<m_x86_Features_Group>;
def mpku : Flag<["-"], "mpku">, Group<m_x86_Features_Group>; def mpku : Flag<["-"], "mpku">, Group<m_x86_Features_Group>;
def mno_pku : Flag<["-"], "mno-pku">, Group<m_x86_Features_Group>; def mno_pku : Flag<["-"], "mno-pku">, Group<m_x86_Features_Group>;
def mpclmul : Flag<["-"], "mpclmul">, Group<m_x86_Features_Group>; def mpclmul : Flag<["-"], "mpclmul">, Group<m_x86_Features_Group>;
def mno_pclmul : Flag<["-"], "mno-pclmul">, Group<m_x86_Features_Group>; def mno_pclmul : Flag<["-"], "mno-pclmul">, Group<m_x86_Features_Group>;
def mpopcnt : Flag<["-"], "mpopcnt">, Group<m_x86_Features_Group>; def mpopcnt : Flag<["-"], "mpopcnt">, Group<m_x86_Features_Group>;
def mno_popcnt : Flag<["-"], "mno-popcnt">, Group<m_x86_Features_Group>; def mno_popcnt : Flag<["-"], "mno-popcnt">, Group<m_x86_Features_Group>;
def mprefer_avx128 : Flag<["-"], "mprefer-avx128">, Group<m_x86_Features_Group>;
def mno_prefer_avx128 : Flag<["-"], "mno-prefer-avx128">, Group<m_x86_Features_Group>;
def mprefer_avx256 : Flag<["-"], "mprefer-avx256">, Group<m_x86_Features_Group>;
def mno_prefer_avx256 : Flag<["-"], "mno-prefer-avx256">, Group<m_x86_Features_Group>;
def mprefetchwt1 : Flag<["-"], "mprefetchwt1">, Group<m_x86_Features_Group>; def mprefetchwt1 : Flag<["-"], "mprefetchwt1">, Group<m_x86_Features_Group>;
def mno_prefetchwt1 : Flag<["-"], "mno-prefetchwt1">, Group<m_x86_Features_Group>; def mno_prefetchwt1 : Flag<["-"], "mno-prefetchwt1">, Group<m_x86_Features_Group>;
def mprfchw : Flag<["-"], "mprfchw">, Group<m_x86_Features_Group>; def mprfchw : Flag<["-"], "mprfchw">, Group<m_x86_Features_Group>;
def mno_prfchw : Flag<["-"], "mno-prfchw">, Group<m_x86_Features_Group>; def mno_prfchw : Flag<["-"], "mno-prfchw">, Group<m_x86_Features_Group>;
def mrdrnd : Flag<["-"], "mrdrnd">, Group<m_x86_Features_Group>; def mrdrnd : Flag<["-"], "mrdrnd">, Group<m_x86_Features_Group>;
def mno_rdrnd : Flag<["-"], "mno-rdrnd">, Group<m_x86_Features_Group>; def mno_rdrnd : Flag<["-"], "mno-rdrnd">, Group<m_x86_Features_Group>;
def mrtm : Flag<["-"], "mrtm">, Group<m_x86_Features_Group>; def mrtm : Flag<["-"], "mrtm">, Group<m_x86_Features_Group>;
def mno_rtm : Flag<["-"], "mno-rtm">, Group<m_x86_Features_Group>; def mno_rtm : Flag<["-"], "mno-rtm">, Group<m_x86_Features_Group>;
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test/Driver/x86-target-features.c

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// RUN: %clang -target i386-unknown-linux-gnu -march=i386 -mno-prefetchwt1 %s -### -o %t.o 2>&1 | FileCheck -check-prefix=NO-PREFETCHWT1 %s // RUN: %clang -target i386-unknown-linux-gnu -march=i386 -mno-prefetchwt1 %s -### -o %t.o 2>&1 | FileCheck -check-prefix=NO-PREFETCHWT1 %s
// PREFETCHWT1: "-target-feature" "+prefetchwt1" // PREFETCHWT1: "-target-feature" "+prefetchwt1"
// NO-PREFETCHWT1: "-target-feature" "-prefetchwt1" // NO-PREFETCHWT1: "-target-feature" "-prefetchwt1"
// RUN: %clang -target i386-unknown-linux-gnu -march=i386 -mclzero %s -### -o %t.o 2>&1 | FileCheck -check-prefix=CLZERO %s // RUN: %clang -target i386-unknown-linux-gnu -march=i386 -mclzero %s -### -o %t.o 2>&1 | FileCheck -check-prefix=CLZERO %s
// RUN: %clang -target i386-unknown-linux-gnu -march=i386 -mno-clzero %s -### -o %t.o 2>&1 | FileCheck -check-prefix=NO-CLZERO %s // RUN: %clang -target i386-unknown-linux-gnu -march=i386 -mno-clzero %s -### -o %t.o 2>&1 | FileCheck -check-prefix=NO-CLZERO %s
// CLZERO: "-target-feature" "+clzero" // CLZERO: "-target-feature" "+clzero"
// NO-CLZERO: "-target-feature" "-clzero" // NO-CLZERO: "-target-feature" "-clzero"
// RUN: %clang -target i386-unknown-linux-gnu -march=i386 -mprefer-avx128 %s -### -o %t.o 2>&1 | FileCheck -check-prefix=PREFERAVX128 %s
// RUN: %clang -target i386-unknown-linux-gnu -march=i386 -mno-prefer-avx128 %s -### -o %t.o 2>&1 | FileCheck -check-prefix=NO-PREFERAVX128 %s
// PREFERAVX128: "-target-feature" "+prefer-avx128"
// NO-PREFERAVX128: "-target-feature" "-prefer-avx128"
// RUN: %clang -target i386-unknown-linux-gnu -march=i386 -mprefer-avx256 %s -### -o %t.o 2>&1 | FileCheck -check-prefix=PREFERAVX256 %s
// RUN: %clang -target i386-unknown-linux-gnu -march=i386 -mno-prefer-avx256 %s -### -o %t.o 2>&1 | FileCheck -check-prefix=NO-PREFERAVX256 %s
// PREFERAVX256: "-target-feature" "+prefer-avx256"
// NO-PREFERAVX256: "-target-feature" "-prefer-avx256"