[X86] Remove what little support we had for MPX

-Deprecate -mmpx and -mno-mpx command line options
-Remove CPUID detection of mpx for -march=native
-Remove MPX from all CPUs
-Remove MPX preprocessor define

I've left the "mpx" string in the backend so we don't fail on old IR, but its not connected to anything.

gcc has also deprecated these command line options. https://www.phoronix.com/scan.php?page=news_item&px=GCC-Patch-To-Drop-MPX

Differential Revision: https://reviews.llvm.org/D66669

llvm-svn: 370393
This commit is contained in:
Craig Topper 2019-08-29 18:09:02 +00:00
parent 093ebf9275
commit 5a43fdd313
14 changed files with 39 additions and 64 deletions

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@ -70,6 +70,10 @@ Deprecated Compiler Flags
The following options are deprecated and ignored. They will be removed in
future versions of Clang.
- -mmpx used to enable the __MPX__ preprocessor define for the Intel MPX
instructions. There were no MPX intrinsics.
- -mno-mpx used to disable -mmpx and is the default behavior.
- ...
Modified Compiler Flags

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@ -211,6 +211,10 @@ def clang_ignored_legacy_options_Group : OptionGroup<"<clang legacy flags>">,
def : Flag<["-"], "fslp-vectorize-aggressive">, Group<clang_ignored_legacy_options_Group>;
def : Flag<["-"], "fno-slp-vectorize-aggressive">, Group<clang_ignored_legacy_options_Group>;
// Retired with clang-10.0. Previously controlled X86 MPX ISA.
def mmpx : Flag<["-"], "mmpx">, Group<clang_ignored_legacy_options_Group>;
def mno_mpx : Flag<["-"], "mno-mpx">, Group<clang_ignored_legacy_options_Group>;
// Group that ignores all gcc optimizations that won't be implemented
def clang_ignored_gcc_optimization_f_Group : OptionGroup<
"<clang_ignored_gcc_optimization_f_Group>">, Group<f_Group>, Flags<[Ignored]>;
@ -3000,8 +3004,6 @@ def mmovdiri : Flag<["-"], "mmovdiri">, Group<m_x86_Features_Group>;
def mno_movdiri : Flag<["-"], "mno-movdiri">, Group<m_x86_Features_Group>;
def mmovdir64b : Flag<["-"], "mmovdir64b">, Group<m_x86_Features_Group>;
def mno_movdir64b : Flag<["-"], "mno-movdir64b">, Group<m_x86_Features_Group>;
def mmpx : Flag<["-"], "mmpx">, Group<m_x86_Features_Group>;
def mno_mpx : Flag<["-"], "mno-mpx">, 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 mpku : Flag<["-"], "mpku">, Group<m_x86_Features_Group>;

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@ -198,7 +198,6 @@ IcelakeCommon:
SkylakeCommon:
setFeatureEnabledImpl(Features, "xsavec", true);
setFeatureEnabledImpl(Features, "xsaves", true);
setFeatureEnabledImpl(Features, "mpx", true);
setFeatureEnabledImpl(Features, "clflushopt", true);
setFeatureEnabledImpl(Features, "aes", true);
LLVM_FALLTHROUGH;
@ -277,7 +276,6 @@ SkylakeCommon:
setFeatureEnabledImpl(Features, "xsavec", true);
setFeatureEnabledImpl(Features, "xsaves", true);
setFeatureEnabledImpl(Features, "clflushopt", true);
setFeatureEnabledImpl(Features, "mpx", true);
setFeatureEnabledImpl(Features, "fsgsbase", true);
setFeatureEnabledImpl(Features, "aes", true);
LLVM_FALLTHROUGH;
@ -798,8 +796,6 @@ bool X86TargetInfo::handleTargetFeatures(std::vector<std::string> &Features,
HasAVX512VP2INTERSECT = true;
} else if (Feature == "+sha") {
HasSHA = true;
} else if (Feature == "+mpx") {
HasMPX = true;
} else if (Feature == "+shstk") {
HasSHSTK = true;
} else if (Feature == "+movbe") {
@ -1220,8 +1216,6 @@ void X86TargetInfo::getTargetDefines(const LangOptions &Opts,
Builder.defineMacro("__CLWB__");
if (HasWBNOINVD)
Builder.defineMacro("__WBNOINVD__");
if (HasMPX)
Builder.defineMacro("__MPX__");
if (HasSHSTK)
Builder.defineMacro("__SHSTK__");
if (HasSGX)
@ -1378,7 +1372,6 @@ bool X86TargetInfo::isValidFeatureName(StringRef Name) const {
.Case("movbe", true)
.Case("movdiri", true)
.Case("movdir64b", true)
.Case("mpx", true)
.Case("mwaitx", true)
.Case("pclmul", true)
.Case("pconfig", true)
@ -1462,7 +1455,6 @@ bool X86TargetInfo::hasFeature(StringRef Feature) const {
.Case("movbe", HasMOVBE)
.Case("movdiri", HasMOVDIRI)
.Case("movdir64b", HasMOVDIR64B)
.Case("mpx", HasMPX)
.Case("mwaitx", HasMWAITX)
.Case("pclmul", HasPCLMUL)
.Case("pconfig", HasPCONFIG)

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@ -80,7 +80,6 @@ class LLVM_LIBRARY_VISIBILITY X86TargetInfo : public TargetInfo {
bool HasAVX512IFMA = false;
bool HasAVX512VP2INTERSECT = false;
bool HasSHA = false;
bool HasMPX = false;
bool HasSHSTK = false;
bool HasSGX = false;
bool HasCX8 = false;

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@ -72,8 +72,8 @@
// RUN: %clang -target i386-unknown-linux-gnu -march=i386 -mmpx %s -### -o %t.o 2>&1 | FileCheck -check-prefix=MPX %s
// RUN: %clang -target i386-unknown-linux-gnu -march=i386 -mno-mpx %s -### -o %t.o 2>&1 | FileCheck -check-prefix=NO-MPX %s
// MPX: "-target-feature" "+mpx"
// NO-MPX: "-target-feature" "-mpx"
// MPX: the flag '-mmpx' has been deprecated and will be ignored
// NO-MPX: the flag '-mno-mpx' has been deprecated and will be ignored
// RUN: %clang -target i386-unknown-linux-gnu -march=i386 -mshstk %s -### -o %t.o 2>&1 | FileCheck -check-prefix=CETSS %s
// RUN: %clang -target i386-unknown-linux-gnu -march=i386 -mno-shstk %s -### -o %t.o 2>&1 | FileCheck -check-prefix=NO-CETSS %s

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@ -682,7 +682,6 @@
// CHECK_SKL_M32: #define __LZCNT__ 1
// CHECK_SKL_M32: #define __MMX__ 1
// CHECK_SKL_M32: #define __MOVBE__ 1
// CHECK_SKL_M32: #define __MPX__ 1
// CHECK_SKL_M32: #define __PCLMUL__ 1
// CHECK_SKL_M32: #define __POPCNT__ 1
// CHECK_SKL_M32: #define __PRFCHW__ 1
@ -717,7 +716,6 @@
// CHECK_SKL_M64: #define __LZCNT__ 1
// CHECK_SKL_M64: #define __MMX__ 1
// CHECK_SKL_M64: #define __MOVBE__ 1
// CHECK_SKL_M64: #define __MPX__ 1
// CHECK_SKL_M64: #define __PCLMUL__ 1
// CHECK_SKL_M64: #define __POPCNT__ 1
// CHECK_SKL_M64: #define __PRFCHW__ 1
@ -912,7 +910,6 @@
// CHECK_SKX_M32: #define __LZCNT__ 1
// CHECK_SKX_M32: #define __MMX__ 1
// CHECK_SKX_M32: #define __MOVBE__ 1
// CHECK_SKX_M32: #define __MPX__ 1
// CHECK_SKX_M32: #define __PCLMUL__ 1
// CHECK_SKX_M32: #define __PKU__ 1
// CHECK_SKX_M32: #define __POPCNT__ 1
@ -958,7 +955,6 @@
// CHECK_SKX_M64: #define __LZCNT__ 1
// CHECK_SKX_M64: #define __MMX__ 1
// CHECK_SKX_M64: #define __MOVBE__ 1
// CHECK_SKX_M64: #define __MPX__ 1
// CHECK_SKX_M64: #define __PCLMUL__ 1
// CHECK_SKX_M64: #define __PKU__ 1
// CHECK_SKX_M64: #define __POPCNT__ 1
@ -1008,7 +1004,6 @@
// CHECK_CLX_M32: #define __LZCNT__ 1
// CHECK_CLX_M32: #define __MMX__ 1
// CHECK_CLX_M32: #define __MOVBE__ 1
// CHECK_CLX_M32: #define __MPX__ 1
// CHECK_CLX_M32: #define __PCLMUL__ 1
// CHECK_CLX_M32: #define __PKU__ 1
// CHECK_CLX_M32: #define __POPCNT__ 1
@ -1055,7 +1050,6 @@
// CHECK_CLX_M64: #define __LZCNT__ 1
// CHECK_CLX_M64: #define __MMX__ 1
// CHECK_CLX_M64: #define __MOVBE__ 1
// CHECK_CLX_M64: #define __MPX__ 1
// CHECK_CLX_M64: #define __PCLMUL__ 1
// CHECK_CLX_M64: #define __PKU__ 1
// CHECK_CLX_M64: #define __POPCNT__ 1
@ -1106,7 +1100,6 @@
// CHECK_CPX_M32: #define __LZCNT__ 1
// CHECK_CPX_M32: #define __MMX__ 1
// CHECK_CPX_M32: #define __MOVBE__ 1
// CHECK_CPX_M32: #define __MPX__ 1
// CHECK_CPX_M32: #define __PCLMUL__ 1
// CHECK_CPX_M32: #define __PKU__ 1
// CHECK_CPX_M32: #define __POPCNT__ 1
@ -1154,7 +1147,6 @@
// CHECK_CPX_M64: #define __LZCNT__ 1
// CHECK_CPX_M64: #define __MMX__ 1
// CHECK_CPX_M64: #define __MOVBE__ 1
// CHECK_CPX_M64: #define __MPX__ 1
// CHECK_CPX_M64: #define __PCLMUL__ 1
// CHECK_CPX_M64: #define __PKU__ 1
// CHECK_CPX_M64: #define __POPCNT__ 1
@ -1205,7 +1197,6 @@
// CHECK_CNL_M32: #define __LZCNT__ 1
// CHECK_CNL_M32: #define __MMX__ 1
// CHECK_CNL_M32: #define __MOVBE__ 1
// CHECK_CNL_M32: #define __MPX__ 1
// CHECK_CNL_M32: #define __PCLMUL__ 1
// CHECK_CNL_M32: #define __PKU__ 1
// CHECK_CNL_M32: #define __POPCNT__ 1
@ -1254,7 +1245,6 @@
// CHECK_CNL_M64: #define __LZCNT__ 1
// CHECK_CNL_M64: #define __MMX__ 1
// CHECK_CNL_M64: #define __MOVBE__ 1
// CHECK_CNL_M64: #define __MPX__ 1
// CHECK_CNL_M64: #define __PCLMUL__ 1
// CHECK_CNL_M64: #define __PKU__ 1
// CHECK_CNL_M64: #define __POPCNT__ 1
@ -1309,7 +1299,6 @@
// CHECK_ICL_M32: #define __LZCNT__ 1
// CHECK_ICL_M32: #define __MMX__ 1
// CHECK_ICL_M32: #define __MOVBE__ 1
// CHECK_ICL_M32: #define __MPX__ 1
// CHECK_ICL_M32: #define __PCLMUL__ 1
// CHECK_ICL_M32: #define __PKU__ 1
// CHECK_ICL_M32: #define __POPCNT__ 1
@ -1367,7 +1356,6 @@
// CHECK_ICL_M64: #define __LZCNT__ 1
// CHECK_ICL_M64: #define __MMX__ 1
// CHECK_ICL_M64: #define __MOVBE__ 1
// CHECK_ICL_M64: #define __MPX__ 1
// CHECK_ICL_M64: #define __PCLMUL__ 1
// CHECK_ICL_M64: #define __PKU__ 1
// CHECK_ICL_M64: #define __POPCNT__ 1
@ -1426,7 +1414,6 @@
// CHECK_ICX_M32: #define __LZCNT__ 1
// CHECK_ICX_M32: #define __MMX__ 1
// CHECK_ICX_M32: #define __MOVBE__ 1
// CHECK_ICX_M32: #define __MPX__ 1
// CHECK_ICX_M32: #define __PCLMUL__ 1
// CHECK_ICX_M32: #define __PCONFIG__ 1
// CHECK_ICX_M32: #define __PKU__ 1
@ -1485,7 +1472,6 @@
// CHECK_ICX_M64: #define __LZCNT__ 1
// CHECK_ICX_M64: #define __MMX__ 1
// CHECK_ICX_M64: #define __MOVBE__ 1
// CHECK_ICX_M64: #define __MPX__ 1
// CHECK_ICX_M64: #define __PCLMUL__ 1
// CHECK_ICX_M64: #define __PCONFIG__ 1
// CHECK_ICX_M64: #define __PKU__ 1
@ -1548,7 +1534,6 @@
// CHECK_TGL_M32: #define __MOVBE__ 1
// CHECK_TGL_M32: #define __MOVDIR64B__ 1
// CHECK_TGL_M32: #define __MOVDIRI__ 1
// CHECK_TGL_M32: #define __MPX__ 1
// CHECK_TGL_M32: #define __PCLMUL__ 1
// CHECK_TGL_M32-NOT: #define __PCONFIG__ 1
// CHECK_TGL_M32: #define __PKU__ 1
@ -1611,7 +1596,6 @@
// CHECK_TGL_M64: #define __MOVBE__ 1
// CHECK_TGL_M64: #define __MOVDIR64B__ 1
// CHECK_TGL_M64: #define __MOVDIRI__ 1
// CHECK_TGL_M64: #define __MPX__ 1
// CHECK_TGL_M64: #define __PCLMUL__ 1
// CHECK_TGL_M64-NOT: #define __PCONFIG__ 1
// CHECK_TGL_M64: #define __PKU__ 1
@ -1688,7 +1672,6 @@
// CHECK_GLM_M32: #define __FXSR__ 1
// CHECK_GLM_M32: #define __MMX__ 1
// CHECK_GLM_M32: #define __MOVBE__ 1
// CHECK_GLM_M32: #define __MPX__ 1
// CHECK_GLM_M32: #define __PCLMUL__ 1
// CHECK_GLM_M32: #define __POPCNT__ 1
// CHECK_GLM_M32: #define __PRFCHW__ 1
@ -1722,7 +1705,6 @@
// CHECK_GLM_M64: #define __FXSR__ 1
// CHECK_GLM_M64: #define __MMX__ 1
// CHECK_GLM_M64: #define __MOVBE__ 1
// CHECK_GLM_M64: #define __MPX__ 1
// CHECK_GLM_M64: #define __PCLMUL__ 1
// CHECK_GLM_M64: #define __POPCNT__ 1
// CHECK_GLM_M64: #define __PRFCHW__ 1
@ -1754,7 +1736,6 @@
// CHECK_GLMP_M32: #define __FXSR__ 1
// CHECK_GLMP_M32: #define __MMX__ 1
// CHECK_GLMP_M32: #define __MOVBE__ 1
// CHECK_GLMP_M32: #define __MPX__ 1
// CHECK_GLMP_M32: #define __PCLMUL__ 1
// CHECK_GLMP_M32: #define __POPCNT__ 1
// CHECK_GLMP_M32: #define __PRFCHW__ 1
@ -1791,7 +1772,6 @@
// CHECK_GLMP_M64: #define __FXSR__ 1
// CHECK_GLMP_M64: #define __MMX__ 1
// CHECK_GLMP_M64: #define __MOVBE__ 1
// CHECK_GLMP_M64: #define __MPX__ 1
// CHECK_GLMP_M64: #define __PCLMUL__ 1
// CHECK_GLMP_M64: #define __POPCNT__ 1
// CHECK_GLMP_M64: #define __PRFCHW__ 1
@ -1830,7 +1810,6 @@
// CHECK_TRM_M32: #define __MOVBE__ 1
// CHECK_TRM_M32: #define __MOVDIR64B__ 1
// CHECK_TRM_M32: #define __MOVDIRI__ 1
// CHECK_TRM_M32: #define __MPX__ 1
// CHECK_TRM_M32: #define __PCLMUL__ 1
// CHECK_TRM_M32: #define __POPCNT__ 1
// CHECK_TRM_M32: #define __PRFCHW__ 1
@ -1872,7 +1851,6 @@
// CHECK_TRM_M64: #define __MOVBE__ 1
// CHECK_TRM_M64: #define __MOVDIR64B__ 1
// CHECK_TRM_M64: #define __MOVDIRI__ 1
// CHECK_TRM_M64: #define __MPX__ 1
// CHECK_TRM_M64: #define __PCLMUL__ 1
// CHECK_TRM_M64: #define __POPCNT__ 1
// CHECK_TRM_M64: #define __PRFCHW__ 1

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@ -98,6 +98,10 @@ Changes to the AVR Target
During this release ...
* Deprecated the mpx feature flag for the Intel MPX instructions. There were no
intrinsics for this feature. This change only this effects the results
returned by getHostCPUFeatures on CPUs that implement the MPX instructions.
Changes to the WebAssembly Target
---------------------------------

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@ -1378,7 +1378,6 @@ bool sys::getHostCPUFeatures(StringMap<bool> &Features) {
Features["bmi2"] = HasLeaf7 && ((EBX >> 8) & 1);
Features["invpcid"] = HasLeaf7 && ((EBX >> 10) & 1);
Features["rtm"] = HasLeaf7 && ((EBX >> 11) & 1);
Features["mpx"] = HasLeaf7 && ((EBX >> 14) & 1);
// AVX512 is only supported if the OS supports the context save for it.
Features["avx512f"] = HasLeaf7 && ((EBX >> 16) & 1) && HasAVX512Save;
Features["avx512dq"] = HasLeaf7 && ((EBX >> 17) & 1) && HasAVX512Save;

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@ -241,8 +241,11 @@ def FeatureCLDEMOTE : SubtargetFeature<"cldemote", "HasCLDEMOTE", "true",
"Enable Cache Demote">;
def FeaturePTWRITE : SubtargetFeature<"ptwrite", "HasPTWRITE", "true",
"Support ptwrite instruction">;
def FeatureMPX : SubtargetFeature<"mpx", "HasMPX", "true",
"Support MPX instructions">;
// FIXME: This feature is deprecated in 10.0 and should not be used for
// anything, but removing it would break IR files that may contain it in a
// target-feature attribute.
def FeatureDeprecatedMPX : SubtargetFeature<"mpx", "DeprecatedHasMPX", "false",
"Deprecated. Support MPX instructions">;
def FeatureLEAForSP : SubtargetFeature<"lea-sp", "UseLeaForSP", "true",
"Use LEA for adjusting the stack pointer">;
def FeatureSlowDivide32 : SubtargetFeature<"idivl-to-divb",
@ -580,7 +583,6 @@ def ProcessorFeatures {
// Skylake
list<SubtargetFeature> SKLAdditionalFeatures = [FeatureAES,
FeatureMPX,
FeatureXSAVEC,
FeatureXSAVES,
FeatureCLFLUSHOPT,
@ -719,7 +721,6 @@ def ProcessorFeatures {
// Goldmont
list<SubtargetFeature> GLMAdditionalFeatures = [FeatureAES,
FeatureMPX,
FeatureSHA,
FeatureRDSEED,
FeatureXSAVE,

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@ -940,7 +940,6 @@ def HasMOVDIR64B : Predicate<"Subtarget->hasMOVDIR64B()">;
def HasPTWRITE : Predicate<"Subtarget->hasPTWRITE()">;
def FPStackf32 : Predicate<"!Subtarget->hasSSE1()">;
def FPStackf64 : Predicate<"!Subtarget->hasSSE2()">;
def HasMPX : Predicate<"Subtarget->hasMPX()">;
def HasSHSTK : Predicate<"Subtarget->hasSHSTK()">;
def HasCLFLUSHOPT : Predicate<"Subtarget->hasCLFLUSHOPT()">;
def HasCLWB : Predicate<"Subtarget->hasCLWB()">;

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@ -12,16 +12,16 @@
//
//===----------------------------------------------------------------------===//
// FIXME: Investigate a better scheduler class once MPX is used inside LLVM.
// FIXME: Investigate a better scheduler class if MPX is ever used inside LLVM.
let SchedRW = [WriteSystem] in {
multiclass mpx_bound_make<bits<8> opc, string OpcodeStr> {
def 32rm: I<opc, MRMSrcMem, (outs BNDR:$dst), (ins anymem:$src),
OpcodeStr#"\t{$src, $dst|$dst, $src}", []>,
Requires<[HasMPX, Not64BitMode]>;
Requires<[Not64BitMode]>;
def 64rm: I<opc, MRMSrcMem, (outs BNDR:$dst), (ins anymem:$src),
OpcodeStr#"\t{$src, $dst|$dst, $src}", []>,
Requires<[HasMPX, In64BitMode]>;
Requires<[In64BitMode]>;
}
defm BNDMK : mpx_bound_make<0x1B, "bndmk">, XS;
@ -29,17 +29,17 @@ defm BNDMK : mpx_bound_make<0x1B, "bndmk">, XS;
multiclass mpx_bound_check<bits<8> opc, string OpcodeStr> {
def 32rm: I<opc, MRMSrcMem, (outs), (ins BNDR:$src1, anymem:$src2),
OpcodeStr#"\t{$src2, $src1|$src1, $src2}", []>,
Requires<[HasMPX, Not64BitMode]>;
Requires<[Not64BitMode]>;
def 64rm: I<opc, MRMSrcMem, (outs), (ins BNDR:$src1, anymem:$src2),
OpcodeStr#"\t{$src2, $src1|$src1, $src2}", []>,
Requires<[HasMPX, In64BitMode]>;
Requires<[In64BitMode]>;
def 32rr: I<opc, MRMSrcReg, (outs), (ins BNDR:$src1, GR32:$src2),
OpcodeStr#"\t{$src2, $src1|$src1, $src2}", []>,
Requires<[HasMPX, Not64BitMode]>;
Requires<[Not64BitMode]>;
def 64rr: I<opc, MRMSrcReg, (outs), (ins BNDR:$src1, GR64:$src2),
OpcodeStr#"\t{$src2, $src1|$src1, $src2}", []>,
Requires<[HasMPX, In64BitMode]>;
Requires<[In64BitMode]>;
}
defm BNDCL : mpx_bound_check<0x1A, "bndcl">, XS, NotMemoryFoldable;
defm BNDCU : mpx_bound_check<0x1A, "bndcu">, XD, NotMemoryFoldable;
@ -47,33 +47,31 @@ defm BNDCN : mpx_bound_check<0x1B, "bndcn">, XD, NotMemoryFoldable;
def BNDMOVrr : I<0x1A, MRMSrcReg, (outs BNDR:$dst), (ins BNDR:$src),
"bndmov\t{$src, $dst|$dst, $src}", []>, PD,
Requires<[HasMPX]>, NotMemoryFoldable;
NotMemoryFoldable;
let mayLoad = 1 in {
def BNDMOV32rm : I<0x1A, MRMSrcMem, (outs BNDR:$dst), (ins i64mem:$src),
"bndmov\t{$src, $dst|$dst, $src}", []>, PD,
Requires<[HasMPX, Not64BitMode]>, NotMemoryFoldable;
Requires<[Not64BitMode]>, NotMemoryFoldable;
def BNDMOV64rm : I<0x1A, MRMSrcMem, (outs BNDR:$dst), (ins i128mem:$src),
"bndmov\t{$src, $dst|$dst, $src}", []>, PD,
Requires<[HasMPX, In64BitMode]>, NotMemoryFoldable;
Requires<[In64BitMode]>, NotMemoryFoldable;
}
let isCodeGenOnly = 1, ForceDisassemble = 1 in
def BNDMOVrr_REV : I<0x1B, MRMDestReg, (outs BNDR:$dst), (ins BNDR:$src),
"bndmov\t{$src, $dst|$dst, $src}", []>, PD,
Requires<[HasMPX]>, NotMemoryFoldable;
NotMemoryFoldable;
let mayStore = 1 in {
def BNDMOV32mr : I<0x1B, MRMDestMem, (outs), (ins i64mem:$dst, BNDR:$src),
"bndmov\t{$src, $dst|$dst, $src}", []>, PD,
Requires<[HasMPX, Not64BitMode]>, NotMemoryFoldable;
Requires<[Not64BitMode]>, NotMemoryFoldable;
def BNDMOV64mr : I<0x1B, MRMDestMem, (outs), (ins i128mem:$dst, BNDR:$src),
"bndmov\t{$src, $dst|$dst, $src}", []>, PD,
Requires<[HasMPX, In64BitMode]>, NotMemoryFoldable;
Requires<[In64BitMode]>, NotMemoryFoldable;
def BNDSTXmr: I<0x1B, MRMDestMem, (outs), (ins anymem:$dst, BNDR:$src),
"bndstx\t{$src, $dst|$dst, $src}", []>, PS,
Requires<[HasMPX]>;
"bndstx\t{$src, $dst|$dst, $src}", []>, PS;
}
let mayLoad = 1 in
def BNDLDXrm: I<0x1A, MRMSrcMem, (outs BNDR:$dst), (ins anymem:$src),
"bndldx\t{$src, $dst|$dst, $src}", []>, PS,
Requires<[HasMPX]>;
"bndldx\t{$src, $dst|$dst, $src}", []>, PS;
} // SchedRW

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@ -365,8 +365,8 @@ protected:
/// Processor has AVX-512 vp2intersect instructions
bool HasVP2INTERSECT = false;
/// Processor supports MPX - Memory Protection Extensions
bool HasMPX = false;
/// Deprecated flag for MPX instructions.
bool DeprecatedHasMPX = false;
/// Processor supports CET SHSTK - Control-Flow Enforcement Technology
/// using Shadow Stack
@ -684,7 +684,6 @@ public:
bool hasBF16() const { return HasBF16; }
bool hasVP2INTERSECT() const { return HasVP2INTERSECT; }
bool hasBITALG() const { return HasBITALG; }
bool hasMPX() const { return HasMPX; }
bool hasSHSTK() const { return HasSHSTK; }
bool hasCLFLUSHOPT() const { return HasCLFLUSHOPT; }
bool hasCLWB() const { return HasCLWB; }

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@ -20,5 +20,5 @@ entry:
; CHECK: movq %rax, 7(%rsp)
; CHECK: retq
attributes #0 = { noinline nounwind "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-jump-tables"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="skylake-avx512" "target-features"="+adx,+aes,+avx,+avx2,+avx512bw,+avx512cd,+avx512dq,+avx512f,+avx512vl,+bmi,+bmi2,+clflushopt,+clwb,+cx16,+f16c,+fma,+fsgsbase,+fxsr,+lzcnt,+mmx,+movbe,+mpx,+pclmul,+pku,+popcnt,+rdrnd,+rdseed,+rtm,+sgx,+sse,+sse2,+sse3,+sse4.1,+sse4.2,+ssse3,+x87,+xsave,+xsavec,+xsaveopt,+xsaves" "unsafe-fp-math"="false" "use-soft-float"="false" }
attributes #0 = { noinline nounwind "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-jump-tables"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="skylake-avx512" "target-features"="+adx,+aes,+avx,+avx2,+avx512bw,+avx512cd,+avx512dq,+avx512f,+avx512vl,+bmi,+bmi2,+clflushopt,+clwb,+cx16,+f16c,+fma,+fsgsbase,+fxsr,+lzcnt,+mmx,+movbe,+pclmul,+pku,+popcnt,+rdrnd,+rdseed,+rtm,+sgx,+sse,+sse2,+sse3,+sse4.1,+sse4.2,+ssse3,+x87,+xsave,+xsavec,+xsaveopt,+xsaves" "unsafe-fp-math"="false" "use-soft-float"="false" }
attributes #1 = { nounwind }

View File

@ -46,8 +46,8 @@ entry:
; Function Attrs: argmemonly nounwind
declare void @llvm.memmove.p0i8.p0i8.i64(i8* nocapture, i8* nocapture readonly, i64, i1 immarg) #1
attributes #0 = { nounwind uwtable "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "less-precise-fpmad"="false" "min-legal-vector-width"="0" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-jump-tables"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="false" "prefer-vector-width"="128" "stack-protector-buffer-size"="8" "target-cpu"="skylake-avx512" "target-features"="+adx,+aes,+avx,+avx2,+avx512bw,+avx512cd,+avx512dq,+avx512f,+avx512vl,+bmi,+bmi2,+clflushopt,+clwb,+cx16,+cx8,+f16c,+fma,+fsgsbase,+fxsr,+invpcid,+lzcnt,+mmx,+movbe,+mpx,+pclmul,+pku,+popcnt,+prfchw,+rdrnd,+rdseed,+sahf,+sse,+sse2,+sse3,+sse4.1,+sse4.2,+ssse3,+x87,+xsave,+xsavec,+xsaveopt,+xsaves" "unsafe-fp-math"="false" "use-soft-float"="false" }
attributes #0 = { nounwind uwtable "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "less-precise-fpmad"="false" "min-legal-vector-width"="0" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-jump-tables"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="false" "prefer-vector-width"="128" "stack-protector-buffer-size"="8" "target-cpu"="skylake-avx512" "target-features"="+adx,+aes,+avx,+avx2,+avx512bw,+avx512cd,+avx512dq,+avx512f,+avx512vl,+bmi,+bmi2,+clflushopt,+clwb,+cx16,+cx8,+f16c,+fma,+fsgsbase,+fxsr,+invpcid,+lzcnt,+mmx,+movbe,+pclmul,+pku,+popcnt,+prfchw,+rdrnd,+rdseed,+sahf,+sse,+sse2,+sse3,+sse4.1,+sse4.2,+ssse3,+x87,+xsave,+xsavec,+xsaveopt,+xsaves" "unsafe-fp-math"="false" "use-soft-float"="false" }
attributes #1 = { argmemonly nounwind }
attributes #2 = { nounwind uwtable "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "less-precise-fpmad"="false" "min-legal-vector-width"="0" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-jump-tables"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="false" "prefer-vector-width"="256" "stack-protector-buffer-size"="8" "target-cpu"="skylake-avx512" "target-features"="+adx,+aes,+avx,+avx2,+avx512bw,+avx512cd,+avx512dq,+avx512f,+avx512vl,+bmi,+bmi2,+clflushopt,+clwb,+cx16,+cx8,+f16c,+fma,+fsgsbase,+fxsr,+invpcid,+lzcnt,+mmx,+movbe,+mpx,+pclmul,+pku,+popcnt,+prfchw,+rdrnd,+rdseed,+sahf,+sse,+sse2,+sse3,+sse4.1,+sse4.2,+ssse3,+x87,+xsave,+xsavec,+xsaveopt,+xsaves" "unsafe-fp-math"="false" "use-soft-float"="false" }
attributes #2 = { nounwind uwtable "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "less-precise-fpmad"="false" "min-legal-vector-width"="0" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-jump-tables"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="false" "prefer-vector-width"="256" "stack-protector-buffer-size"="8" "target-cpu"="skylake-avx512" "target-features"="+adx,+aes,+avx,+avx2,+avx512bw,+avx512cd,+avx512dq,+avx512f,+avx512vl,+bmi,+bmi2,+clflushopt,+clwb,+cx16,+cx8,+f16c,+fma,+fsgsbase,+fxsr,+invpcid,+lzcnt,+mmx,+movbe,+pclmul,+pku,+popcnt,+prfchw,+rdrnd,+rdseed,+sahf,+sse,+sse2,+sse3,+sse4.1,+sse4.2,+ssse3,+x87,+xsave,+xsavec,+xsaveopt,+xsaves" "unsafe-fp-math"="false" "use-soft-float"="false" }
!0 = !{i32 1, !"wchar_size", i32 4}