diff options
Diffstat (limited to 'lib/Target/Sparc/SparcCallingConv.td')
-rw-r--r-- | lib/Target/Sparc/SparcCallingConv.td | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/lib/Target/Sparc/SparcCallingConv.td b/lib/Target/Sparc/SparcCallingConv.td index a181bcf..acd4ec2 100644 --- a/lib/Target/Sparc/SparcCallingConv.td +++ b/lib/Target/Sparc/SparcCallingConv.td @@ -117,3 +117,14 @@ def CC_Sparc64 : CallingConv<[ // arguments whether they are passed in registers or not. CCCustom<"CC_Sparc64_Full"> ]>; + +// Callee-saved registers are handled by the register window mechanism. +def CSR : CalleeSavedRegs<(add)> { + let OtherPreserved = (add (sequence "I%u", 0, 7), + (sequence "L%u", 0, 7)); +} + +// Callee-saved registers for calls with ReturnsTwice attribute. +def RTCSR : CalleeSavedRegs<(add)> { + let OtherPreserved = (add I6, I7); +} |