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re PR target/68273 (Wrong code on mips/mipsel due to (invalid?) peeking at alignments in function_arg.) 

2016-08-09  Richard Biener  <rguenther@suse.de>

	PR ipa/68273
	* ipa-prop.c (ipa_modify_formal_parameters): Build
	parameter types with natural alignment also for the
	over-aligned case.

From-SVN: r239273
This commit is contained in:
Richard Biener 2016-08-09 07:38:13 +00:00 committed by Richard Biener
parent cadec7ca6e
commit fe7afdf5b5
2 changed files with 8 additions and 1 deletions
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gcc/ChangeLog
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@ -1,3 +1,10 @@
2016-08-09 Richard Biener <rguenther@suse.de>
PR ipa/68273
* ipa-prop.c (ipa_modify_formal_parameters): Build
parameter types with natural alignment also for the
over-aligned case.
2016-08-08 Andi Kleen <ak@linux.intel.com> 2016-08-08 Andi Kleen <ak@linux.intel.com>
* tree-vrp.c (get_single_symbol): Always initialize inv and neg. * tree-vrp.c (get_single_symbol): Always initialize inv and neg.

2
gcc/ipa-prop.c
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@ -3910,7 +3910,7 @@ ipa_modify_formal_parameters (tree fndecl, ipa_parm_adjustment_vec adjustments)
if (is_gimple_reg_type (ptype)) if (is_gimple_reg_type (ptype))
{ {
unsigned malign = GET_MODE_ALIGNMENT (TYPE_MODE (ptype)); unsigned malign = GET_MODE_ALIGNMENT (TYPE_MODE (ptype));
if (TYPE_ALIGN (ptype) < malign) if (TYPE_ALIGN (ptype) != malign)
ptype = build_aligned_type (ptype, malign); ptype = build_aligned_type (ptype, malign);
} }
} }