diff options
Diffstat (limited to 'lib/Target/ARM/ARMISelLowering.cpp')
| -rw-r--r-- | lib/Target/ARM/ARMISelLowering.cpp | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/lib/Target/ARM/ARMISelLowering.cpp b/lib/Target/ARM/ARMISelLowering.cpp index 9138c5730c..a4471000b0 100644 --- a/lib/Target/ARM/ARMISelLowering.cpp +++ b/lib/Target/ARM/ARMISelLowering.cpp @@ -201,6 +201,15 @@ ARMTargetLowering::ARMTargetLowering(TargetMachine &TM) setLibcallName(RTLIB::SRL_I128, 0); setLibcallName(RTLIB::SRA_I128, 0); + // Libcalls should use the AAPCS base standard ABI, even if hard float + // is in effect, as per the ARM RTABI specification, section 4.1.2. + if (Subtarget->isAAPCS_ABI()) { + for (int i = 0; i < RTLIB::UNKNOWN_LIBCALL; ++i) { + setLibcallCallingConv(static_cast<RTLIB::Libcall>(i), + CallingConv::ARM_AAPCS); + } + } + if (Subtarget->isThumb1Only()) addRegisterClass(MVT::i32, ARM::tGPRRegisterClass); else |