diff options
| author | Dimitry Andric <dim@FreeBSD.org> | 2018-01-24 20:23:48 +0000 |
|---|---|---|
| committer | Dimitry Andric <dim@FreeBSD.org> | 2018-01-24 20:23:48 +0000 |
| commit | a096e0bdf6cfa020569afca490d8e4c9ac8ebb01 (patch) | |
| tree | 39ef21ba905e021d44b9a5fb47336d4a864da27e /lib/CodeGen/TargetLoweringBase.cpp | |
| parent | d215fd3b74b90f5dc1964610926fcc2a20f959aa (diff) | |
Diffstat (limited to 'lib/CodeGen/TargetLoweringBase.cpp')
| -rw-r--r-- | lib/CodeGen/TargetLoweringBase.cpp | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/lib/CodeGen/TargetLoweringBase.cpp b/lib/CodeGen/TargetLoweringBase.cpp index 224ae1a3236a..b29a33ac1c14 100644 --- a/lib/CodeGen/TargetLoweringBase.cpp +++ b/lib/CodeGen/TargetLoweringBase.cpp @@ -132,9 +132,18 @@ void TargetLoweringBase::InitLibcalls(const Triple &TT) { setLibcallName(RTLIB::FPEXT_F16_F32, "__extendhfsf2"); setLibcallName(RTLIB::FPROUND_F32_F16, "__truncsfhf2"); - // Darwin 10 and higher has an optimized __bzero. - if (!TT.isMacOSX() || !TT.isMacOSXVersionLT(10, 6) || TT.isArch64Bit()) { - setLibcallName(RTLIB::BZERO, TT.isAArch64() ? "bzero" : "__bzero"); + // Some darwins have an optimized __bzero/bzero function. + switch (TT.getArch()) { + case Triple::x86: + case Triple::x86_64: + if (TT.isMacOSX() && !TT.isMacOSXVersionLT(10, 6)) + setLibcallName(RTLIB::BZERO, "__bzero"); + break; + case Triple::aarch64: + setLibcallName(RTLIB::BZERO, "bzero"); + break; + default: + break; } if (darwinHasSinCos(TT)) { |