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re PR middle-end/53708 (Many failures of the objc tests with -O3 -fnext-runtime and -m32)

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2012-06-19  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/53708
	* tree-vect-data-refs.c (vect_can_force_dr_alignment_p): Preserve
	user-supplied alignment and alignment of decls with the used
	attribute.

From-SVN: r188771
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Richard Guenther 2012-06-19 09:19:07 +00:00 • committed by Richard Biener
parent a910399dfd
commit af4d0d913b
2 changed files with 13 additions and 0 deletions
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7
gcc/ChangeLog
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@ -1,3 +1,10 @@
2012-06-19 Richard Guenther <rguenther@suse.de>
PR tree-optimization/53708
* tree-vect-data-refs.c (vect_can_force_dr_alignment_p): Preserve
user-supplied alignment and alignment of decls with the used
attribute.
2012-06-18 Lawrence Crowl <crowl@google.com>
* timevar.def (TV_PHASE_GENERATE): Rename to TV_PHASE_LATE_ASM.

6
gcc/tree-vect-data-refs.c
View file

@ -4731,6 +4731,12 @@ vect_can_force_dr_alignment_p (const_tree decl, unsigned int alignment)
if (TREE_ASM_WRITTEN (decl))
return false;
/* Do not override explicit alignment set by the user or the alignment
as specified by the ABI when the used attribute is set. */
if (DECL_USER_ALIGN (decl)
|| DECL_PRESERVE_P (decl))
return false;
if (TREE_STATIC (decl))
return (alignment <= MAX_OFILE_ALIGNMENT);
else