re PR tree-optimization/69186 (ICE at -O3 on x86_64-linux-gnu in vect_update_misalignment_for_peel, at tree-vect-data-refs.c:889)
2016-01-13 Richard Biener <rguenther@suse.de> PR tree-optimization/69186 * tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Properly guard vect_update_misalignment_for_peel call. * gcc.dg/torture/pr69186.c: New testcase. From-SVN: r232314
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2016-01-13 Richard Biener <rguenther@suse.de>
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PR tree-optimization/69186
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* tree-vect-data-refs.c (vect_enhance_data_refs_alignment):
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Properly guard vect_update_misalignment_for_peel call.
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2016-01-12 Jeff Law <law@redhat.com>
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PR tree-optimization/pr67755
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2016-01-13 Richard Biener <rguenther@suse.de>
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PR tree-optimization/69186
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* gcc.dg/torture/pr69186.c: New testcase.
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2016-01-13 Jeff Law <law@redhat.com>
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PR tree-optimization/67755
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12
gcc/testsuite/gcc.dg/torture/pr69186.c
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12
gcc/testsuite/gcc.dg/torture/pr69186.c
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/* { dg-do compile } */
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static int a[10][2];
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int b;
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void
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fn1 ()
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{
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b = 0;
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for (; b < 6; b++)
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a[b][2] ^= 1;
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}
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@ -1826,7 +1826,16 @@ vect_enhance_data_refs_alignment (loop_vec_info loop_vinfo)
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misalignment of DR_i must be set to unknown. */
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FOR_EACH_VEC_ELT (datarefs, i, dr)
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if (dr != dr0)
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vect_update_misalignment_for_peel (dr, dr0, npeel);
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{
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/* Strided accesses perform only component accesses, alignment
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is irrelevant for them. */
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stmt_info = vinfo_for_stmt (DR_STMT (dr));
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if (STMT_VINFO_STRIDED_P (stmt_info)
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&& !STMT_VINFO_GROUPED_ACCESS (stmt_info))
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continue;
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vect_update_misalignment_for_peel (dr, dr0, npeel);
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}
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LOOP_VINFO_UNALIGNED_DR (loop_vinfo) = dr0;
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if (npeel)
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