diff options
Diffstat (limited to 'contrib/llvm/lib/Target/AArch64/Utils/AArch64BaseInfo.h')
| -rw-r--r-- | contrib/llvm/lib/Target/AArch64/Utils/AArch64BaseInfo.h | 65 |
1 files changed, 64 insertions, 1 deletions
diff --git a/contrib/llvm/lib/Target/AArch64/Utils/AArch64BaseInfo.h b/contrib/llvm/lib/Target/AArch64/Utils/AArch64BaseInfo.h index 9a1ca61..ce970b0 100644 --- a/contrib/llvm/lib/Target/AArch64/Utils/AArch64BaseInfo.h +++ b/contrib/llvm/lib/Target/AArch64/Utils/AArch64BaseInfo.h @@ -289,6 +289,7 @@ namespace A64SE { enum ShiftExtSpecifiers { Invalid = -1, LSL, + MSL, LSR, ASR, ROR, @@ -305,6 +306,65 @@ namespace A64SE { }; } +namespace A64Layout { + enum VectorLayout { + Invalid = -1, + VL_8B, + VL_4H, + VL_2S, + VL_1D, + + VL_16B, + VL_8H, + VL_4S, + VL_2D, + + // Bare layout for the 128-bit vector + // (only show ".b", ".h", ".s", ".d" without vector number) + VL_B, + VL_H, + VL_S, + VL_D + }; +} + +inline static const char * +A64VectorLayoutToString(A64Layout::VectorLayout Layout) { + switch (Layout) { + case A64Layout::VL_8B: return ".8b"; + case A64Layout::VL_4H: return ".4h"; + case A64Layout::VL_2S: return ".2s"; + case A64Layout::VL_1D: return ".1d"; + case A64Layout::VL_16B: return ".16b"; + case A64Layout::VL_8H: return ".8h"; + case A64Layout::VL_4S: return ".4s"; + case A64Layout::VL_2D: return ".2d"; + case A64Layout::VL_B: return ".b"; + case A64Layout::VL_H: return ".h"; + case A64Layout::VL_S: return ".s"; + case A64Layout::VL_D: return ".d"; + default: llvm_unreachable("Unknown Vector Layout"); + } +} + +inline static A64Layout::VectorLayout +A64StringToVectorLayout(StringRef LayoutStr) { + return StringSwitch<A64Layout::VectorLayout>(LayoutStr) + .Case(".8b", A64Layout::VL_8B) + .Case(".4h", A64Layout::VL_4H) + .Case(".2s", A64Layout::VL_2S) + .Case(".1d", A64Layout::VL_1D) + .Case(".16b", A64Layout::VL_16B) + .Case(".8h", A64Layout::VL_8H) + .Case(".4s", A64Layout::VL_4S) + .Case(".2d", A64Layout::VL_2D) + .Case(".b", A64Layout::VL_B) + .Case(".h", A64Layout::VL_H) + .Case(".s", A64Layout::VL_S) + .Case(".d", A64Layout::VL_D) + .Default(A64Layout::Invalid); +} + namespace A64SysReg { enum SysRegROValues { MDCCSR_EL0 = 0x9808, // 10 011 0000 0001 000 @@ -1068,7 +1128,10 @@ namespace A64Imms { // MOVN but *not* with a MOVZ (because that would take priority). bool isOnlyMOVNImm(int RegWidth, uint64_t Value, int &UImm16, int &Shift); -} + uint64_t decodeNeonModImm(unsigned Val, unsigned OpCmode, unsigned &EltBits); + bool decodeNeonModShiftImm(unsigned OpCmode, unsigned &ShiftImm, + unsigned &ShiftOnesIn); + } } // end namespace llvm; |
