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| author | Fangrui Song <maskray@google.com> | 2019-07-15 05:02:32 +0000 |
|---|---|---|
| committer | Fangrui Song <maskray@google.com> | 2019-07-15 05:02:32 +0000 |
| commit | 335f955dc4942d6956e759b8c2686c52914c36b6 (patch) | |
| tree | 6801a3b545cac2b27c66de8d546f472f10aa72af /llvm/lib | |
| parent | c3805d761ea8be6f35212a29aec09f03f1be5612 (diff) | |
| download | bcm5719-llvm-335f955dc4942d6956e759b8c2686c52914c36b6.tar.gz bcm5719-llvm-335f955dc4942d6956e759b8c2686c52914c36b6.zip | |
[PowerPC] Support fp128 libcalls
On PowerPC, IEEE 754 quadruple-precision libcall names use "kf" instead of "tf".
In libgcc, libgcc/config/rs6000/float128-sed converts TF names to KF
names. This patch implements its 24 substitution rules.
Reviewed By: hfinkel
Differential Revision: https://reviews.llvm.org/D64282
llvm-svn: 366039
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/CodeGen/TargetLoweringBase.cpp | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/llvm/lib/CodeGen/TargetLoweringBase.cpp b/llvm/lib/CodeGen/TargetLoweringBase.cpp index 1fd3d38255e..7c135864766 100644 --- a/llvm/lib/CodeGen/TargetLoweringBase.cpp +++ b/llvm/lib/CodeGen/TargetLoweringBase.cpp @@ -123,6 +123,34 @@ void TargetLoweringBase::InitLibcalls(const Triple &TT) { for (int LC = 0; LC < RTLIB::UNKNOWN_LIBCALL; ++LC) setLibcallCallingConv((RTLIB::Libcall)LC, CallingConv::C); + // For IEEE quad-precision libcall names, PPC uses "kf" instead of "tf". + if (TT.getArch() == Triple::ppc || TT.isPPC64()) { + setLibcallName(RTLIB::ADD_F128, "__addkf3"); + setLibcallName(RTLIB::SUB_F128, "__subkf3"); + setLibcallName(RTLIB::MUL_F128, "__mulkf3"); + setLibcallName(RTLIB::DIV_F128, "__divkf3"); + setLibcallName(RTLIB::FPEXT_F32_F128, "__extendsfkf2"); + setLibcallName(RTLIB::FPEXT_F64_F128, "__extenddfkf2"); + setLibcallName(RTLIB::FPROUND_F128_F32, "__trunckfsf2"); + setLibcallName(RTLIB::FPROUND_F128_F64, "__trunckfdf2"); + setLibcallName(RTLIB::FPTOSINT_F128_I32, "__fixkfsi"); + setLibcallName(RTLIB::FPTOSINT_F128_I64, "__fixkfdi"); + setLibcallName(RTLIB::FPTOUINT_F128_I32, "__fixunskfsi"); + setLibcallName(RTLIB::FPTOUINT_F128_I64, "__fixunskfdi"); + setLibcallName(RTLIB::SINTTOFP_I32_F128, "__floatsikf"); + setLibcallName(RTLIB::SINTTOFP_I64_F128, "__floatdikf"); + setLibcallName(RTLIB::UINTTOFP_I32_F128, "__floatunsikf"); + setLibcallName(RTLIB::UINTTOFP_I64_F128, "__floatundikf"); + setLibcallName(RTLIB::OEQ_F128, "__eqkf2"); + setLibcallName(RTLIB::UNE_F128, "__nekf2"); + setLibcallName(RTLIB::OGE_F128, "__gekf2"); + setLibcallName(RTLIB::OLT_F128, "__ltkf2"); + setLibcallName(RTLIB::OLE_F128, "__lekf2"); + setLibcallName(RTLIB::OGT_F128, "__gtkf2"); + setLibcallName(RTLIB::UO_F128, "__unordkf2"); + setLibcallName(RTLIB::O_F128, "__unordkf2"); + } + // A few names are different on particular architectures or environments. if (TT.isOSDarwin()) { // For f16/f32 conversions, Darwin uses the standard naming scheme, instead |
