diff options
Diffstat (limited to 'gcc/alias.c')
| -rw-r--r-- | gcc/alias.c | 13 |
1 files changed, 0 insertions, 13 deletions
diff --git a/gcc/alias.c b/gcc/alias.c index 408d058..bc6a0ee 100644 --- a/gcc/alias.c +++ b/gcc/alias.c @@ -2542,19 +2542,6 @@ nonoverlapping_memrefs_p (const_rtx x, const_rtx y, bool loop_invariant) if (! DECL_P (exprx) || ! DECL_P (expry)) return 0; - /* If we refer to different gimple registers, or one gimple register - and one non-gimple-register, we know they can't overlap. First, - gimple registers don't have their addresses taken. Now, there - could be more than one stack slot for (different versions of) the - same gimple register, but we can presumably tell they don't - overlap based on offsets from stack base addresses elsewhere. - It's important that we don't proceed to DECL_RTL, because gimple - registers may not pass DECL_RTL_SET_P, and make_decl_rtl won't be - able to do anything about them since no SSA information will have - remained to guide it. */ - if (is_gimple_reg (exprx) || is_gimple_reg (expry)) - return exprx != expry; - /* With invalid code we can end up storing into the constant pool. Bail out to avoid ICEing when creating RTL for this. See gfortran.dg/lto/20091028-2_0.f90. */ |