diff options
Diffstat (limited to 'gcc/loop-invariant.c')
| -rw-r--r-- | gcc/loop-invariant.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/gcc/loop-invariant.c b/gcc/loop-invariant.c index bd31a51c1d5..e3b2eda1695 100644 --- a/gcc/loop-invariant.c +++ b/gcc/loop-invariant.c @@ -660,6 +660,9 @@ may_assign_reg_p (rtx x) return (GET_MODE (x) != VOIDmode && GET_MODE (x) != BLKmode && can_copy_p (GET_MODE (x)) + /* Do not mess with the frame pointer adjustments that can + be generated e.g. by expand_builtin_setjmp_receiver. */ + && x != frame_pointer_rtx && (!REG_P (x) || !HARD_REGISTER_P (x) || REGNO_REG_CLASS (REGNO (x)) != NO_REGS)); |