diff options
Diffstat (limited to 'llvm/lib/Target')
| -rw-r--r-- | llvm/lib/Target/X86/X86CallingConv.td | 10 | ||||
| -rw-r--r-- | llvm/lib/Target/X86/X86RegisterInfo.cpp | 12 |
2 files changed, 22 insertions, 0 deletions
diff --git a/llvm/lib/Target/X86/X86CallingConv.td b/llvm/lib/Target/X86/X86CallingConv.td index e733420e096..5b51a1e8e0b 100644 --- a/llvm/lib/Target/X86/X86CallingConv.td +++ b/llvm/lib/Target/X86/X86CallingConv.td @@ -620,6 +620,16 @@ def CSR_64EHRet : CalleeSavedRegs<(add RAX, RDX, CSR_64)>; def CSR_Win64 : CalleeSavedRegs<(add RBX, RBP, RDI, RSI, R12, R13, R14, R15, (sequence "XMM%u", 6, 15))>; +// All GPRs - except r11 +def CSR_64_RT_MostRegs : CalleeSavedRegs<(add CSR_64, RAX, RCX, RDX, RSI, RDI, + R8, R9, R10, RSP)>; + +// All registers - except r11 +def CSR_64_RT_AllRegs : CalleeSavedRegs<(add CSR_64_RT_MostRegs, + (sequence "XMM%u", 0, 15))>; +def CSR_64_RT_AllRegs_AVX : CalleeSavedRegs<(add CSR_64_RT_MostRegs, + (sequence "YMM%u", 0, 15))>; + def CSR_64_MostRegs : CalleeSavedRegs<(add RBX, RCX, RDX, RSI, RDI, R8, R9, R10, R11, R12, R13, R14, R15, RBP, (sequence "XMM%u", 0, 15))>; diff --git a/llvm/lib/Target/X86/X86RegisterInfo.cpp b/llvm/lib/Target/X86/X86RegisterInfo.cpp index 220dc433fef..8a65dc1f2f7 100644 --- a/llvm/lib/Target/X86/X86RegisterInfo.cpp +++ b/llvm/lib/Target/X86/X86RegisterInfo.cpp @@ -245,6 +245,12 @@ X86RegisterInfo::getCalleeSavedRegs(const MachineFunction *MF) const { if (HasAVX) return CSR_64_AllRegs_AVX_SaveList; return CSR_64_AllRegs_SaveList; + case CallingConv::PreserveMost: + return CSR_64_RT_MostRegs_SaveList; + case CallingConv::PreserveAll: + if (HasAVX) + return CSR_64_RT_AllRegs_AVX_SaveList; + return CSR_64_RT_AllRegs_SaveList; case CallingConv::Intel_OCL_BI: { if (HasAVX512 && IsWin64) return CSR_Win64_Intel_OCL_BI_AVX512_SaveList; @@ -292,6 +298,12 @@ X86RegisterInfo::getCallPreservedMask(CallingConv::ID CC) const { if (HasAVX) return CSR_64_AllRegs_AVX_RegMask; return CSR_64_AllRegs_RegMask; + case CallingConv::PreserveMost: + return CSR_64_RT_MostRegs_RegMask; + case CallingConv::PreserveAll: + if (HasAVX) + return CSR_64_RT_AllRegs_AVX_RegMask; + return CSR_64_RT_AllRegs_RegMask; case CallingConv::Intel_OCL_BI: { if (IsWin64 && HasAVX512) return CSR_Win64_Intel_OCL_BI_AVX512_RegMask; |
