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Diffstat (limited to 'gcc/config/aarch64/predicates.md')
| -rw-r--r-- | gcc/config/aarch64/predicates.md | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/gcc/config/aarch64/predicates.md b/gcc/config/aarch64/predicates.md index cd235acf73a..fe649041017 100644 --- a/gcc/config/aarch64/predicates.md +++ b/gcc/config/aarch64/predicates.md @@ -252,6 +252,25 @@ return aarch64_get_condition_code (op) >= 0; }) +(define_special_predicate "aarch64_carry_operation" + (match_code "ne,geu") +{ + if (XEXP (op, 1) != const0_rtx) + return false; + machine_mode ccmode = (GET_CODE (op) == NE ? CC_Cmode : CCmode); + rtx op0 = XEXP (op, 0); + return REG_P (op0) && REGNO (op0) == CC_REGNUM && GET_MODE (op0) == ccmode; +}) + +(define_special_predicate "aarch64_borrow_operation" + (match_code "eq,ltu") +{ + if (XEXP (op, 1) != const0_rtx) + return false; + machine_mode ccmode = (GET_CODE (op) == EQ ? CC_Cmode : CCmode); + rtx op0 = XEXP (op, 0); + return REG_P (op0) && REGNO (op0) == CC_REGNUM && GET_MODE (op0) == ccmode; +}) ;; True if the operand is memory reference suitable for a load/store exclusive. (define_predicate "aarch64_sync_memory_operand" |