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re PR tree-optimization/92596 (ICE in exact_div, at poly-int.h:2162 since r278406)

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2019-11-21  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/92596
	* tree-vect-slp.c (vect_build_slp_tree): Fix pasto.

	* gcc.dg/torture/pr92596-1.c: New testcase.

From-SVN: r278555
This commit is contained in:
Richard Biener 2019-11-21 15:01:17 +00:00 committed by Richard Biener
parent 9c572192f0
commit 7c327e2d4d
4 changed files with 32 additions and 1 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
2019-11-21 Richard Biener <rguenther@suse.de>
PR tree-optimization/92596
* tree-vect-slp.c (vect_build_slp_tree): Fix pasto.
2019-11-21 Jan Hubicka <jh@suse.cz>
* ipa-fnsummary.c (evaluate_conditions_for_known_args): Be

5
gcc/testsuite/ChangeLog
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@ -1,3 +1,8 @@
2019-11-21 Richard Biener <rguenther@suse.de>
PR tree-optimization/92596
* gcc.dg/torture/pr92596-1.c: New testcase.
2019-11-21 Tamar Christina <tamar.christina@arm.com>
* gcc.dg/torture/fp-int-convert-timode-1.c: Add check for FE_TONEAREST.

20
gcc/testsuite/gcc.dg/torture/pr92596-1.c Normal file
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@ -0,0 +1,20 @@
/* { dg-do compile } */
/* { dg-additional-options "-ftree-slp-vectorize" } */
typedef struct {
long n[5];
} secp256k1_fe;
void *a, *b;
int c;
static void
fn1(secp256k1_fe *p1, int p2)
{
p1->n[2] = p1->n[3] = p1->n[4] = p2;
}
void
fn2()
{
fn1(b, !c);
fn1(a, !c);
}

3
gcc/tree-vect-slp.c
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@ -1247,7 +1247,8 @@ vect_build_slp_tree (vec_info *vinfo,
return *leader;
}
poly_uint64 this_max_nunits = 1;
slp_tree res = vect_build_slp_tree_2 (vinfo, stmts, group_size, max_nunits,
slp_tree res = vect_build_slp_tree_2 (vinfo, stmts, group_size,
&this_max_nunits,
matches, npermutes, tree_size, bst_map);
if (res)
{