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re PR c++/70430 (Incorrect result for logical "and" operation with mixed vector and scalar) 

2016-03-31  Richard Biener  <rguenther@suse.de>

	PR c++/70430
	* typeck.c (cp_build_binary_op): Fix operand order of vector
	conditional in truth op handling.

	* g++.dg/ext/vector30.C: New testcase.

From-SVN: r234611
This commit is contained in:
Richard Biener 2016-03-31 08:49:09 +00:00 committed by Richard Biener
parent 4a4932eefd
commit efc3536f46
4 changed files with 27 additions and 1 deletions
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6
gcc/cp/ChangeLog
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@ -1,3 +1,9 @@
2016-03-31 Richard Biener <rguenther@suse.de>
PR c++/70430
* typeck.c (cp_build_binary_op): Fix operand order of vector
conditional in truth op handling.
2016-03-29 Jason Merrill <jason@redhat.com>
PR c++/70353

2
gcc/cp/typeck.c
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@ -4364,7 +4364,7 @@ cp_build_binary_op (location_t location,
{
tree m1 = build_all_ones_cst (TREE_TYPE (op0));
tree z = build_zero_cst (TREE_TYPE (op0));
op1 = build_conditional_expr (location, op1, z, m1, complain);
op1 = build_conditional_expr (location, op1, m1, z, complain);
}
else if (!COMPARISON_CLASS_P (op1))
op1 = cp_build_binary_op (EXPR_LOCATION (op1), NE_EXPR, op1,

5
gcc/testsuite/ChangeLog
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@ -1,3 +1,8 @@
2016-03-31 Richard Biener <rguenther@suse.de>
PR c++/70430
* g++.dg/ext/vector30.C: New testcase.
2016-03-30 Dominique d'Humieres <dominiq@lps.ens.fr>
Jerry DeLisle <jvdelisle@gcc.gnu.org>

15
gcc/testsuite/g++.dg/ext/vector30.C Normal file
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@ -0,0 +1,15 @@
// PR c++/70430
// { dg-do run }
extern "C" void abort (void);
typedef int v4si __attribute__ ((vector_size (16)));
int main()
{
v4si b = {1,0,-1,2}, c;
c = b && 1;
if (c[0] != -1 || c[1] != 0 || c[2] != -1 || c[3] != -1)
abort ();
c = b && 0;
if (c[0] != 0 || c[1] != 0 || c[2] != 0 || c[3] != 0)
abort ();
return 0;
}