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re PR tree-optimization/58473 (FAIL: ext/random/normal_mv_distribution/cons/default.cc (test for excess errors)) 

2013-09-20  Richard Biener  <rguenther@suse.de>

	PR middle-end/58473
	* tree-chrec.h (build_polynomial_chrec): Use gcc_checking_assert,
	make type comparison less strict.

From-SVN: r202774
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Richard Biener 2013-09-20 10:19:12 +00:00 committed by Richard Biener
parent 3cbe17f7de
commit a820c83467
2 changed files with 16 additions and 7 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2013-09-20 Richard Biener <rguenther@suse.de>
PR middle-end/58473
* tree-chrec.h (build_polynomial_chrec): Use gcc_checking_assert,
make type comparison less strict.
2013-09-20 Alan Modra <amodra@gmail.com>
* configure: Regenerate.

17
gcc/tree-chrec.h
View File

@ -137,15 +137,18 @@ build_polynomial_chrec (unsigned loop_num,
|| !val)
return chrec_dont_know;
/* Pointer types should occur only on the left hand side, i.e. in
the base of the chrec, and not in the step. */
gcc_assert (!POINTER_TYPE_P (TREE_TYPE (right)));
/* Types of left and right sides of a chrec should be compatible. */
/* Types of left and right sides of a chrec should be compatible, but
pointer CHRECs are special in that the evolution is of ptroff type. */
if (POINTER_TYPE_P (TREE_TYPE (left)))
gcc_assert (ptrofftype_p (TREE_TYPE (right)));
gcc_checking_assert (ptrofftype_p (TREE_TYPE (right)));
else
gcc_assert (TREE_TYPE (left) == TREE_TYPE (right));
{
/* Pointer types should occur only on the left hand side, i.e. in
the base of the chrec, and not in the step. */
gcc_checking_assert (!POINTER_TYPE_P (TREE_TYPE (right))
&& types_compatible_p (TREE_TYPE (left),
TREE_TYPE (right)));
}
if (chrec_zerop (right))
return left;