diff options
Diffstat (limited to 'llvm/lib/Target/AArch64/Utils/AArch64BaseInfo.h')
| -rw-r--r-- | llvm/lib/Target/AArch64/Utils/AArch64BaseInfo.h | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/llvm/lib/Target/AArch64/Utils/AArch64BaseInfo.h b/llvm/lib/Target/AArch64/Utils/AArch64BaseInfo.h index ce6866154242..d168c2a84bbe 100644 --- a/llvm/lib/Target/AArch64/Utils/AArch64BaseInfo.h +++ b/llvm/lib/Target/AArch64/Utils/AArch64BaseInfo.h @@ -106,6 +106,25 @@ inline static unsigned getXRegFromWReg(unsigned Reg) { return Reg; } +inline static unsigned getXRegFromXRegTuple(unsigned RegTuple) { + switch (RegTuple) { + case AArch64::X0_X1_X2_X3_X4_X5_X6_X7: return AArch64::X0; + case AArch64::X2_X3_X4_X5_X6_X7_X8_X9: return AArch64::X2; + case AArch64::X4_X5_X6_X7_X8_X9_X10_X11: return AArch64::X4; + case AArch64::X6_X7_X8_X9_X10_X11_X12_X13: return AArch64::X6; + case AArch64::X8_X9_X10_X11_X12_X13_X14_X15: return AArch64::X8; + case AArch64::X10_X11_X12_X13_X14_X15_X16_X17: return AArch64::X10; + case AArch64::X12_X13_X14_X15_X16_X17_X18_X19: return AArch64::X12; + case AArch64::X14_X15_X16_X17_X18_X19_X20_X21: return AArch64::X14; + case AArch64::X16_X17_X18_X19_X20_X21_X22_X23: return AArch64::X16; + case AArch64::X18_X19_X20_X21_X22_X23_X24_X25: return AArch64::X18; + case AArch64::X20_X21_X22_X23_X24_X25_X26_X27: return AArch64::X20; + case AArch64::X22_X23_X24_X25_X26_X27_X28_FP: return AArch64::X22; + } + // For anything else, return it unchanged. + return RegTuple; +} + static inline unsigned getBRegFromDReg(unsigned Reg) { switch (Reg) { case AArch64::D0: return AArch64::B0; |