diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/Target/X86/X86RegisterInfo.td | 9 |
1 files changed, 3 insertions, 6 deletions
diff --git a/lib/Target/X86/X86RegisterInfo.td b/lib/Target/X86/X86RegisterInfo.td index 6db0cc3057..ed8f12f967 100644 --- a/lib/Target/X86/X86RegisterInfo.td +++ b/lib/Target/X86/X86RegisterInfo.td @@ -512,13 +512,9 @@ def GR64_ABCD : RegisterClass<"X86", [i64], 64, [RAX, RCX, RDX, RBX]> { let SubRegClassList = [GR8_ABCD_L, GR8_ABCD_H, GR16_ABCD, GR32_ABCD]; } -// GR8_NOREX, GR16_NOREX, GR32_NOREX, GR64_NOREX - Subclasses of -// GR8, GR16, GR32, and GR64 which contain only the first 8 GPRs. -// On x86-64, GR64_NOREX, GR32_NOREX and GR16_NOREX are the classes -// of registers which do not by themselves require a REX prefix. +// GR8_NOREX - GR8 registers which do not require a REX prefix. def GR8_NOREX : RegisterClass<"X86", [i8], 8, - [AL, CL, DL, AH, CH, DH, BL, BH, - SIL, DIL, BPL, SPL]> { + [AL, CL, DL, AH, CH, DH, BL, BH]> { let MethodProtos = [{ iterator allocation_order_begin(const MachineFunction &MF) const; iterator allocation_order_end(const MachineFunction &MF) const; @@ -556,6 +552,7 @@ def GR8_NOREX : RegisterClass<"X86", [i8], 8, } }]; } +// GR16_NOREX - GR16 registers which do not require a REX prefix. def GR16_NOREX : RegisterClass<"X86", [i16], 16, [AX, CX, DX, SI, DI, BX, BP, SP]> { let SubRegClassList = [GR8_NOREX, GR8_NOREX]; |