diff options
Diffstat (limited to 'lib/Target/SystemZ/SystemZPatterns.td')
| -rw-r--r-- | lib/Target/SystemZ/SystemZPatterns.td | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/lib/Target/SystemZ/SystemZPatterns.td b/lib/Target/SystemZ/SystemZPatterns.td index 74cc5f0..4e4386a 100644 --- a/lib/Target/SystemZ/SystemZPatterns.td +++ b/lib/Target/SystemZ/SystemZPatterns.td @@ -54,6 +54,18 @@ multiclass RMWIByte<SDPatternOperator operator, AddressingMode mode, def : RMWI<anyextloadi8, operator, truncstorei8, mode, imm64, insn>; } +// Record that INSN conditionally performs load operation LOAD into a +// register of class CLS. The load may trap even if the condition is false. +multiclass CondLoad<Instruction insn, RegisterOperand cls, + SDPatternOperator load> { + def : Pat<(z_select_ccmask (load bdaddr20only:$addr), cls:$new, uimm8zx4:$cc), + (insn cls:$new, bdaddr20only:$addr, uimm8zx4:$cc)>, + Requires<[FeatureLoadStoreOnCond]>; + def : Pat<(z_select_ccmask cls:$new, (load bdaddr20only:$addr), uimm8zx4:$cc), + (insn cls:$new, bdaddr20only:$addr, (INVCC uimm8zx4:$cc))>, + Requires<[FeatureLoadStoreOnCond]>; +} + // Record that INSN performs insertion TYPE into a register of class CLS. // The inserted operand is loaded using LOAD from an address of mode MODE. multiclass InsertMem<string type, Instruction insn, RegisterOperand cls, |