diff options
Diffstat (limited to 'gnu/egcs/gcc/cse.c')
| -rw-r--r-- | gnu/egcs/gcc/cse.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/gnu/egcs/gcc/cse.c b/gnu/egcs/gcc/cse.c index bca7623fed6..f4c98de36b8 100644 --- a/gnu/egcs/gcc/cse.c +++ b/gnu/egcs/gcc/cse.c @@ -6044,7 +6044,13 @@ fold_rtx (x, insn) if (new_const == 0) break; - +#ifndef FRAME_GROWS_DOWNWARD + if (flag_propolice_protection + && GET_CODE (y) == PLUS + && XEXP (y, 0) == frame_pointer_rtx + && INTVAL (new_const) <= 0) + break; +#endif /* If we are associating shift operations, don't let this produce a shift of the size of the object or larger. This could occur when we follow a sign-extend by a right |