diff options
Diffstat (limited to 'llvm/lib/Target')
| -rw-r--r-- | llvm/lib/Target/X86/X86CallingConv.td | 2 | ||||
| -rw-r--r-- | llvm/lib/Target/X86/X86RegisterInfo.cpp | 8 |
2 files changed, 8 insertions, 2 deletions
diff --git a/llvm/lib/Target/X86/X86CallingConv.td b/llvm/lib/Target/X86/X86CallingConv.td index cf7bc981b8a..6781d761a1c 100644 --- a/llvm/lib/Target/X86/X86CallingConv.td +++ b/llvm/lib/Target/X86/X86CallingConv.td @@ -1074,6 +1074,8 @@ def CSR_32_AllRegs_AVX512 : CalleeSavedRegs<(add CSR_32_AllRegs, (sequence "K%u", 0, 7))>; def CSR_64_AllRegs : CalleeSavedRegs<(add CSR_64_MostRegs, RAX)>; +def CSR_64_AllRegs_NoSSE : CalleeSavedRegs<(add RAX, RBX, RCX, RDX, RSI, RDI, R8, R9, + R10, R11, R12, R13, R14, R15, RBP)>; def CSR_64_AllRegs_AVX : CalleeSavedRegs<(sub (add CSR_64_MostRegs, RAX, (sequence "YMM%u", 0, 15)), (sequence "XMM%u", 0, 15))>; diff --git a/llvm/lib/Target/X86/X86RegisterInfo.cpp b/llvm/lib/Target/X86/X86RegisterInfo.cpp index 65f438f94b0..9e886e13ac5 100644 --- a/llvm/lib/Target/X86/X86RegisterInfo.cpp +++ b/llvm/lib/Target/X86/X86RegisterInfo.cpp @@ -337,7 +337,9 @@ X86RegisterInfo::getCalleeSavedRegs(const MachineFunction *MF) const { return CSR_64_AllRegs_AVX512_SaveList; if (HasAVX) return CSR_64_AllRegs_AVX_SaveList; - return CSR_64_AllRegs_SaveList; + if (HasSSE) + return CSR_64_AllRegs_SaveList; + return CSR_64_AllRegs_NoSSE_SaveList; } else { if (HasAVX512) return CSR_32_AllRegs_AVX512_SaveList; @@ -447,7 +449,9 @@ X86RegisterInfo::getCallPreservedMask(const MachineFunction &MF, return CSR_64_AllRegs_AVX512_RegMask; if (HasAVX) return CSR_64_AllRegs_AVX_RegMask; - return CSR_64_AllRegs_RegMask; + if (HasSSE) + return CSR_64_AllRegs_RegMask; + return CSR_64_AllRegs_NoSSE_RegMask; } else { if (HasAVX512) return CSR_32_AllRegs_AVX512_RegMask; |
