diff options
Diffstat (limited to 'lib/Target/SystemZ/SystemZInstrInfo.td')
| -rw-r--r-- | lib/Target/SystemZ/SystemZInstrInfo.td | 20 |
1 files changed, 15 insertions, 5 deletions
diff --git a/lib/Target/SystemZ/SystemZInstrInfo.td b/lib/Target/SystemZ/SystemZInstrInfo.td index b93e863a95..241cd3336a 100644 --- a/lib/Target/SystemZ/SystemZInstrInfo.td +++ b/lib/Target/SystemZ/SystemZInstrInfo.td @@ -254,6 +254,9 @@ def BASR : InstRR<0x0D, (outs), (ins GR64:$R1, ADDR64:$R2), // Register moves. let neverHasSideEffects = 1 in { + // Expands to LR, RISBHG or RISBLG, depending on the choice of registers. + def LRMux : UnaryRRPseudo<"l", null_frag, GRX32, GRX32>, + Requires<[FeatureHighWord]>; def LR : UnaryRR <"l", 0x18, null_frag, GR32, GR32>; def LGR : UnaryRRE<"lg", 0xB904, null_frag, GR64, GR64>; } @@ -293,6 +296,9 @@ let neverHasSideEffects = 1, isAsCheapAsAMove = 1, isMoveImm = 1, // Register loads. let canFoldAsLoad = 1, SimpleBDXLoad = 1 in { + // Expands to L, LY or LFH, depending on the choice of register. + def LMux : UnaryRXYPseudo<"l", load, GRX32, 4>, + Requires<[FeatureHighWord]>; defm L : UnaryRXPair<"l", 0x58, 0xE358, load, GR32, 4>; def LFH : UnaryRXY<"lfh", 0xE3CA, load, GRH32, 4>, Requires<[FeatureHighWord]>; @@ -327,6 +333,9 @@ let Uses = [CC] in { // Register stores. let SimpleBDXStore = 1 in { + // Expands to ST, STY or STFH, depending on the choice of register. + def STMux : StoreRXYPseudo<store, GRX32, 4>, + Requires<[FeatureHighWord]>; defm ST : StoreRXPair<"st", 0x50, 0xE350, store, GR32, 4>; def STFH : StoreRXY<"stfh", 0xE3CB, store, GRH32, 4>, Requires<[FeatureHighWord]>; @@ -929,13 +938,14 @@ let Defs = [CC] in { // Forms of RISBG that only affect one word of the destination register. // They do not set CC. -let isCodeGenOnly = 1 in - def RISBLG32 : RotateSelectRIEf<"risblg", 0xEC51, GR32, GR32>, - Requires<[FeatureHighWord]>; -def RISBHG : RotateSelectRIEf<"risbhg", 0xEC5D, GRH32, GR64>, - Requires<[FeatureHighWord]>; +def RISBLL : RotateSelectAliasRIEf<GR32, GR32>, Requires<[FeatureHighWord]>; +def RISBLH : RotateSelectAliasRIEf<GR32, GRH32>, Requires<[FeatureHighWord]>; +def RISBHL : RotateSelectAliasRIEf<GRH32, GR32>, Requires<[FeatureHighWord]>; +def RISBHH : RotateSelectAliasRIEf<GRH32, GRH32>, Requires<[FeatureHighWord]>; def RISBLG : RotateSelectRIEf<"risblg", 0xEC51, GR32, GR64>, Requires<[FeatureHighWord]>; +def RISBHG : RotateSelectRIEf<"risbhg", 0xEC5D, GRH32, GR64>, + Requires<[FeatureHighWord]>; // Rotate second operand left and perform a logical operation with selected // bits of the first operand. The CC result only describes the selected bits, |