re PR middle-end/52244 (wrong code for function returning union between int and _Bool at O > 2, with no-early-inlining)
2012-02-14 Richard Guenther <rguenther@suse.de> PR tree-optimization/52244 PR tree-optimization/51528 * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE replacements for integral types. * gcc.dg/torture/pr52244.c: New testcase. From-SVN: r184214
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2012-02-14 Richard Guenther <rguenther@suse.de>
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PR tree-optimization/52244
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PR tree-optimization/51528
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* tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
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replacements for integral types.
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2012-02-14 Walter Lee <walt@tilera.com>
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2012-02-14 Walter Lee <walt@tilera.com>
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* config.gcc: Handle tilegx and tilepro.
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* config.gcc: Handle tilegx and tilepro.
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@ -1,3 +1,9 @@
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2012-02-14 Richard Guenther <rguenther@suse.de>
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PR tree-optimization/52244
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PR tree-optimization/51528
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* gcc.dg/torture/pr52244.c: New testcase.
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2012-02-14 Walter Lee <walt@tilera.com>
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2012-02-14 Walter Lee <walt@tilera.com>
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* g++.dg/other/PR23205.C: Disable test on tile.
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* g++.dg/other/PR23205.C: Disable test on tile.
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@ -0,0 +1,36 @@
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/* { dg-do run } */
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extern void abort (void);
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typedef union u_r
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{
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_Bool b;
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unsigned char c;
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} u_t;
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u_t
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bar (void)
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{
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u_t u;
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u.c = 0x12;
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return u;
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}
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u_t __attribute__ ((noinline))
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foo (void)
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{
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u_t u;
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u.b = 1;
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u = bar ();
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return u;
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}
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int main (int argc, char **argv)
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{
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u_t u = foo ();
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if (u.c != 0x12)
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abort ();
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return 0;
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}
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@ -2172,11 +2172,21 @@ analyze_access_subtree (struct access *root, struct access *parent,
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&& (root->grp_scalar_write || root->grp_assignment_write))))
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&& (root->grp_scalar_write || root->grp_assignment_write))))
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{
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{
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bool new_integer_type;
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bool new_integer_type;
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if (TREE_CODE (root->type) == ENUMERAL_TYPE)
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/* Always create access replacements that cover the whole access.
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For integral types this means the precision has to match.
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Avoid assumptions based on the integral type kind, too. */
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if (INTEGRAL_TYPE_P (root->type)
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&& (TREE_CODE (root->type) != INTEGER_TYPE
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|| TYPE_PRECISION (root->type) != root->size)
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/* But leave bitfield accesses alone. */
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&& (root->offset % BITS_PER_UNIT) == 0)
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{
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{
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tree rt = root->type;
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tree rt = root->type;
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root->type = build_nonstandard_integer_type (TYPE_PRECISION (rt),
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root->type = build_nonstandard_integer_type (root->size,
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TYPE_UNSIGNED (rt));
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TYPE_UNSIGNED (rt));
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root->expr = build_ref_for_offset (UNKNOWN_LOCATION,
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root->base, root->offset,
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root->type, NULL, false);
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new_integer_type = true;
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new_integer_type = true;
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}
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}
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else
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else
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