diff options
Diffstat (limited to 'llvm/lib/Target/X86/X86InstrInfo.h')
| -rw-r--r-- | llvm/lib/Target/X86/X86InstrInfo.h | 38 |
1 files changed, 29 insertions, 9 deletions
diff --git a/llvm/lib/Target/X86/X86InstrInfo.h b/llvm/lib/Target/X86/X86InstrInfo.h index 8c6b617c4d7..6051e4287bd 100644 --- a/llvm/lib/Target/X86/X86InstrInfo.h +++ b/llvm/lib/Target/X86/X86InstrInfo.h @@ -338,11 +338,13 @@ namespace X86II { // This three-bit field describes the size of an immediate operand. Zero is // unused so that we can tell if we forgot to set a value. ImmShift = 13, - ImmMask = 7 << ImmShift, - Imm8 = 1 << ImmShift, - Imm16 = 2 << ImmShift, - Imm32 = 3 << ImmShift, - Imm64 = 4 << ImmShift, + ImmMask = 7 << ImmShift, + Imm8 = 1 << ImmShift, + Imm8PCRel = 2 << ImmShift, + Imm16 = 3 << ImmShift, + Imm32 = 4 << ImmShift, + Imm32PCRel = 5 << ImmShift, + Imm64 = 6 << ImmShift, //===------------------------------------------------------------------===// // FP Instruction Classification... Zero is non-fp instruction. @@ -408,10 +410,28 @@ namespace X86II { static inline unsigned getSizeOfImm(unsigned TSFlags) { switch (TSFlags & X86II::ImmMask) { default: assert(0 && "Unknown immediate size"); - case X86II::Imm8: return 1; - case X86II::Imm16: return 2; - case X86II::Imm32: return 4; - case X86II::Imm64: return 8; + case X86II::Imm8: + case X86II::Imm8PCRel: return 1; + case X86II::Imm16: return 2; + case X86II::Imm32: + case X86II::Imm32PCRel: return 4; + case X86II::Imm64: return 8; + } + } + + /// isImmPCRel - Return true if the immediate of the specified instruction's + /// TSFlags indicates that it is pc relative. + static inline unsigned isImmPCRel(unsigned TSFlags) { + switch (TSFlags & X86II::ImmMask) { + default: assert(0 && "Unknown immediate size"); + case X86II::Imm8PCRel: + case X86II::Imm32PCRel: + return true; + case X86II::Imm8: + case X86II::Imm16: + case X86II::Imm32: + case X86II::Imm64: + return false; } } } |
