diff options
Diffstat (limited to 'gcc/combine.c')
| -rw-r--r-- | gcc/combine.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/gcc/combine.c b/gcc/combine.c index ad5ec64..2c7fbf5 100644 --- a/gcc/combine.c +++ b/gcc/combine.c @@ -1176,6 +1176,8 @@ can_combine_p (rtx insn, rtx i3, rtx pred ATTRIBUTE_UNUSED, rtx succ, /* Don't substitute into an incremented register. */ || FIND_REG_INC_NOTE (i3, dest) || (succ && FIND_REG_INC_NOTE (succ, dest)) + /* Don't substitute into a non-local goto, this confuses CFG. */ + || (JUMP_P (i3) && find_reg_note (i3, REG_NON_LOCAL_GOTO, NULL_RTX)) #if 0 /* Don't combine the end of a libcall into anything. */ /* ??? This gives worse code, and appears to be unnecessary, since no |