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[X86] Add -mprefetchwt1/-mno-prefetchwt1 command line options and __PREFETCHWT1__ define to match gcc.

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llvm-svn: 294424
This commit is contained in:
Craig Topper 2017-02-08 08:23:40 +00:00
parent 204ecffdb4
commit d2bf7b03e5
5 changed files with 13 additions and 0 deletions
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2
clang/docs/ClangCommandLineReference.rst
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@ -2195,6 +2195,8 @@ X86
.. option:: -mpopcnt, -mno-popcnt
.. option:: -mprefetchwt1, -mno-prefetchwt1
.. option:: -mprfchw, -mno-prfchw
.. option:: -mrdrnd, -mno-rdrnd

2
clang/include/clang/Driver/Options.td
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@ -1720,6 +1720,7 @@ def mno_clwb : Flag<["-"], "mno-clwb">, Group<m_x86_Features_Group>;
def mno_movbe : Flag<["-"], "mno-movbe">, Group<m_x86_Features_Group>;
def mno_mpx : Flag<["-"], "mno-mpx">, Group<m_x86_Features_Group>;
def mno_sgx : Flag<["-"], "mno-sgx">, Group<m_x86_Features_Group>;
def mno_prefetchwt1 : Flag<["-"], "mno-prefetchwt1">, Group<m_x86_Features_Group>;
def munaligned_access : Flag<["-"], "munaligned-access">, Group<m_arm_Features_Group>,
HelpText<"Allow memory accesses to be unaligned (AArch32/AArch64 only)">;
@ -1917,6 +1918,7 @@ def mclwb : Flag<["-"], "mclwb">, Group<m_x86_Features_Group>;
def mmovbe : Flag<["-"], "mmovbe">, Group<m_x86_Features_Group>;
def mmpx : Flag<["-"], "mmpx">, Group<m_x86_Features_Group>;
def msgx : Flag<["-"], "msgx">, Group<m_x86_Features_Group>;
def mprefetchwt1 : Flag<["-"], "mprefetchwt1">, Group<m_x86_Features_Group>;
def mips16 : Flag<["-"], "mips16">, Group<m_Group>;
def mno_mips16 : Flag<["-"], "mno-mips16">, Group<m_Group>;
def mmicromips : Flag<["-"], "mmicromips">, Group<m_Group>;

2
clang/lib/Basic/Targets.cpp
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@ -3885,6 +3885,8 @@ void X86TargetInfo::getTargetDefines(const LangOptions &Opts,
Builder.defineMacro("__MPX__");
if (HasSGX)
Builder.defineMacro("__SGX__");
if (HasPREFETCHWT1)
Builder.defineMacro("__PREFETCHWT1__");
// Each case falls through to the previous one here.
switch (SSELevel) {

5
clang/test/Driver/x86-target-features.c
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@ -74,3 +74,8 @@
// RUN: %clang -target i386-unknown-linux-gnu -march=i386 -mno-sgx %s -### -o %t.o 2>&1 | FileCheck -check-prefix=NO-SGX %s
// SGX: "-target-feature" "+sgx"
// NO-SGX: "-target-feature" "-sgx"
// RUN: %clang -target i386-unknown-linux-gnu -march=i386 -mprefetchwt1 %s -### -o %t.o 2>&1 | FileCheck -check-prefix=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"
// NO-PREFETCHWT1: "-target-feature" "-prefetchwt1"

2
clang/test/Preprocessor/predefined-arch-macros.c
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@ -731,6 +731,7 @@
// CHECK_KNL_M32: #define __MMX__ 1
// CHECK_KNL_M32: #define __PCLMUL__ 1
// CHECK_KNL_M32: #define __POPCNT__ 1
// CHECK_KNL_M32: #define __PREFETCHWT1__ 1
// CHECK_KNL_M32: #define __RDRND__ 1
// CHECK_KNL_M32: #define __RTM__ 1
// CHECK_KNL_M32: #define __SSE2__ 1
@ -766,6 +767,7 @@
// CHECK_KNL_M64: #define __MMX__ 1
// CHECK_KNL_M64: #define __PCLMUL__ 1
// CHECK_KNL_M64: #define __POPCNT__ 1
// CHECK_KNL_M64: #define __PREFETCHWT1__ 1
// CHECK_KNL_M64: #define __RDRND__ 1
// CHECK_KNL_M64: #define __RTM__ 1
// CHECK_KNL_M64: #define __SSE2_MATH__ 1