diff options
Diffstat (limited to 'lib/Target/SystemZ/SystemZInstrFormats.td')
| -rw-r--r-- | lib/Target/SystemZ/SystemZInstrFormats.td | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/lib/Target/SystemZ/SystemZInstrFormats.td b/lib/Target/SystemZ/SystemZInstrFormats.td index 8199c17..b4e5531 100644 --- a/lib/Target/SystemZ/SystemZInstrFormats.td +++ b/lib/Target/SystemZ/SystemZInstrFormats.td @@ -680,6 +680,36 @@ class UnaryRRF<string mnemonic, bits<16> opcode, RegisterOperand cls1, let OpType = "reg"; } +// These instructions are generated by if conversion. The old value of R1 +// is added as an implicit use. +class CondUnaryRRF<string mnemonic, bits<16> opcode, RegisterOperand cls1, + RegisterOperand cls2> + : InstRRF<opcode, (outs cls1:$R1), (ins cls2:$R2, cond4:$R3), + mnemonic#"r$R3\t$R1, $R2", []>, + Requires<[FeatureLoadStoreOnCond]>; + +// Like CondUnaryRRF, but used for the raw assembly form. The condition-code +// mask is the third operand rather than being part of the mnemonic. +class AsmCondUnaryRRF<string mnemonic, bits<16> opcode, RegisterOperand cls1, + RegisterOperand cls2> + : InstRRF<opcode, (outs cls1:$R1), (ins cls1:$R1src, cls2:$R2, uimm8zx4:$R3), + mnemonic#"r\t$R1, $R2, $R3", []>, + Requires<[FeatureLoadStoreOnCond]> { + let Constraints = "$R1 = $R1src"; + let DisableEncoding = "$R1src"; +} + +// Like CondUnaryRRF, but with a fixed CC mask. +class FixedCondUnaryRRF<string mnemonic, bits<16> opcode, RegisterOperand cls1, + RegisterOperand cls2, bits<4> ccmask> + : InstRRF<opcode, (outs cls1:$R1), (ins cls1:$R1src, cls2:$R2), + mnemonic#"\t$R1, $R2", []>, + Requires<[FeatureLoadStoreOnCond]> { + let Constraints = "$R1 = $R1src"; + let DisableEncoding = "$R1src"; + let R3 = ccmask; +} + class UnaryRI<string mnemonic, bits<12> opcode, SDPatternOperator operator, RegisterOperand cls, Immediate imm> : InstRI<opcode, (outs cls:$R1), (ins imm:$I2), |