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PR71206: inconsistent types after match.pd transformation

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2016-05-20  Marc Glisse  <marc.glisse@inria.fr>

	PR tree-optimization/71079
	PR tree-optimization/71206
gcc/
	* match.pd ((X ^ Y) ^ (X ^ Z)): Convert the arguments.

gcc/testsuite/
	* gcc.dg/tree-ssa/pr71206.c: New testcase.

From-SVN: r236504
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Marc Glisse 2016-05-20 11:44:50 +02:00 • committed by Marc Glisse
parent 5b17a01caa
commit d78789f516
4 changed files with 21 additions and 1 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2016-05-20 Marc Glisse <marc.glisse@inria.fr>
PR tree-optimization/71079
PR tree-optimization/71206
* match.pd ((X ^ Y) ^ (X ^ Z)): Convert the arguments.
2016-05-20 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
* tree-vectorizer.c (get_vec_alignment_for_decl): New static function.

2
gcc/match.pd
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@ -740,7 +740,7 @@ DEFINE_INT_AND_FLOAT_ROUND_FN (RINT)
(bit_xor (convert1? (bit_xor:c @0 @1)) (convert2? (bit_xor:c @0 @2)))
(if (tree_nop_conversion_p (type, TREE_TYPE (@1))
&& tree_nop_conversion_p (type, TREE_TYPE (@2)))
(convert (bit_xor @1 @2))))
(bit_xor (convert @1) (convert @2))))
(simplify
(abs (abs@1 @0))

6
gcc/testsuite/ChangeLog
View file

@ -1,3 +1,9 @@
2016-05-20 Marc Glisse <marc.glisse@inria.fr>
PR tree-optimization/71079
PR tree-optimization/71206
* gcc.dg/tree-ssa/pr71206.c: New testcase.
2016-05-20 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
* gcc.dg/vect/section-anchors-vect-70.c: New test-case.

8
gcc/testsuite/gcc.dg/tree-ssa/71206.c Normal file
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@ -0,0 +1,8 @@
/* { dg-do compile } */
/* { dg-options "-O" } */
int f(int d, unsigned b) {
int i2 = b ^ 1;
int i4 = d ^ 1;
return i2 ^ i4;
}