gcc/mark-pattern-as-clobbering-CC-REGNUM.patch
2020-01-19 17:29:40 +08:00

14 lines
679 B
Diff

diff -N -urp a/gcc/config/aarch64/aarch64.md b/gcc/config/aarch64/aarch64.md
--- a/gcc/config/aarch64/aarch64.md 2019-05-30 16:12:52.950606040 +0800
+++ b/gcc/config/aarch64/aarch64.md 2019-05-30 16:15:56.606599549 +0800
@@ -3110,7 +3110,8 @@
(define_insn_and_split "*compare_cstore<mode>_insn"
[(set (match_operand:GPI 0 "register_operand" "=r")
(EQL:GPI (match_operand:GPI 1 "register_operand" "r")
- (match_operand:GPI 2 "aarch64_imm24" "n")))]
+ (match_operand:GPI 2 "aarch64_imm24" "n")))
+ (clobber (reg:CC CC_REGNUM))]
"!aarch64_move_imm (INTVAL (operands[2]), <MODE>mode)
&& !aarch64_plus_operand (operands[2], <MODE>mode)
&& !reload_completed"