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re PR tree-optimization/85793 ([AARCH64] ICE in verify_gimple during GIMPLE pass vect.)

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PR tree-optimization/85793
	* tree-vect-stmts.c (vectorizable_load): Handle 1 element-wise load
	for VMAT_ELEMENTWISE.

	gcc/testsuite
	* gcc.dg/vect/pr85793.c: New test.

Co-Authored-By: Richard Biener <rguenther@suse.de>

From-SVN: r260317
This commit is contained in:
Bin Cheng 2018-05-17 11:25:43 +00:00 committed by Bin Cheng
parent e4f81565ce
commit bb4e474765
4 changed files with 28 additions and 0 deletions
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7
gcc/ChangeLog
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@ -1,3 +1,10 @@
2018-05-17 Bin Cheng <bin.cheng@arm.com>
Richard Biener <rguenther@suse.de>
PR tree-optimization/85793
* tree-vect-stmts.c (vectorizable_load): Handle 1 element-wise load
for VMAT_ELEMENTWISE.
2018-05-17 Richard Sandiford <richard.sandiford@linaro.org>
* internal-fn.h (lookup_internal_fn): Declare

5
gcc/testsuite/ChangeLog
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@ -1,3 +1,8 @@
2018-05-17 Bin Cheng <bin.cheng@arm.com>
PR tree-optimization/85793
* gcc.dg/vect/pr85793.c: New test.
2018-05-17 Richard Sandiford <richard.sandiford@linaro.org>
* gcc.dg/gimplefe-28.c: New test.

12
gcc/testsuite/gcc.dg/vect/pr85793.c Normal file
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@ -0,0 +1,12 @@
/* { dg-do compile } */
/* { dg-require-effective-target vect_perm } */
int a, c, d;
long b[6];
void fn1() {
for (; a < 2; a++) {
c = 0;
for (; c <= 5; c++)
d &= b[a * 3];
}
}

4
gcc/tree-vect-stmts.c
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@ -7801,6 +7801,10 @@ vectorizable_load (gimple *stmt, gimple_stmt_iterator *gsi, gimple **vec_stmt,
}
ltype = build_aligned_type (ltype, TYPE_ALIGN (TREE_TYPE (vectype)));
}
/* Load vector(1) scalar_type if it's 1 element-wise vectype. */
else if (nloads == 1)
ltype = vectype;
if (slp)
{
/* For SLP permutation support we need to load the whole group,