diff options
Diffstat (limited to 'gcc/modulo-sched.cc')
| -rw-r--r-- | gcc/modulo-sched.cc | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/gcc/modulo-sched.cc b/gcc/modulo-sched.cc index 08af5a9..0023467 100644 --- a/gcc/modulo-sched.cc +++ b/gcc/modulo-sched.cc @@ -356,7 +356,13 @@ doloop_register_get (rtx_insn *head, rtx_insn *tail) reg = XEXP (condition, 0); else if (GET_CODE (XEXP (condition, 0)) == PLUS && REG_P (XEXP (XEXP (condition, 0), 0))) - reg = XEXP (XEXP (condition, 0), 0); + { + if (CONST_INT_P (XEXP (condition, 1)) + && INTVAL (XEXP (condition, 1)) == -1) + reg = XEXP (XEXP (condition, 0), 0); + else + return NULL_RTX; + } else gcc_unreachable (); |