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author | Richard Biener <rguenther@suse.de> | 2014-08-05 13:05:06 +0000 |
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committer | Richard Biener <rguenth@gcc.gnu.org> | 2014-08-05 13:05:06 +0000 |
commit | 96b3c03f4e952c913811f2ba7bf2b703ab0d54e4 (patch) | |
tree | 6dfae1a4a0cc077331f6a132085edd0b377def68 /gcc/cse.c | |
parent | b8a5fbd280e516d914b41b80132210c6549814cd (diff) | |
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re PR rtl-optimization/61672 (Less redundant instructions deleted by pre_delete after r208113.)
2014-08-05 Richard Biener <rguenther@suse.de>
PR rtl-optimization/61672
* emit-rtl.h (mem_attrs_eq_p): Declare.
* emit-rtl.c (mem_attrs_eq_p): Export. Handle NULL mem-attrs.
* cse.c (exp_equiv_p): Use mem_attrs_eq_p.
* cfgcleanup.c (merge_memattrs): Likewise.
Include emit-rtl.h.
From-SVN: r213638
Diffstat (limited to 'gcc/cse.c')
-rw-r--r-- | gcc/cse.c | 2 |
1 files changed, 1 insertions, 1 deletions
@@ -2685,7 +2685,7 @@ exp_equiv_p (const_rtx x, const_rtx y, int validate, bool for_gcse) But because really all MEM attributes should be the same for equivalent MEMs, we just use the invariant that MEMs that have the same attributes share the same mem_attrs data structure. */ - if (MEM_ATTRS (x) != MEM_ATTRS (y)) + if (!mem_attrs_eq_p (MEM_ATTRS (x), MEM_ATTRS (y))) return 0; /* If we are handling exceptions, we cannot consider two expressions |