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| author | Anton Korobeynikov <asl@math.spbu.ru> | 2009-08-14 20:10:52 +0000 |
|---|---|---|
| committer | Anton Korobeynikov <asl@math.spbu.ru> | 2009-08-14 20:10:52 +0000 |
| commit | a6b3ce203a09da37ee7f93b8b8339af9e38fdf07 (patch) | |
| tree | 6ee83efbe0c12a1ca8c5c3c8355aa5f08e236edb /llvm/lib/Target/ARM/ARMISelLowering.cpp | |
| parent | dc49a8d3f1e3de05941a987647659d3e70cfff7d (diff) | |
| download | bcm5719-llvm-a6b3ce203a09da37ee7f93b8b8339af9e38fdf07.tar.gz bcm5719-llvm-a6b3ce203a09da37ee7f93b8b8339af9e38fdf07.zip | |
Allow targets to specify their choice of calling conventions per
libcall. Take advantage of this in the ARM backend to rectify broken
choice of CC when hard float is in effect. PIC16 may want to see if
it could be of use in MakePIC16Libcall, which works unchanged.
Patch by Sandeep!
llvm-svn: 79033
Diffstat (limited to 'llvm/lib/Target/ARM/ARMISelLowering.cpp')
| -rw-r--r-- | llvm/lib/Target/ARM/ARMISelLowering.cpp | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/llvm/lib/Target/ARM/ARMISelLowering.cpp b/llvm/lib/Target/ARM/ARMISelLowering.cpp index 9138c5730c4..a4471000b0c 100644 --- a/llvm/lib/Target/ARM/ARMISelLowering.cpp +++ b/llvm/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 |
