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re PR tree-optimization/45733 (ICE: verify_stmts failed: invalid conversion in gimple call with -fstrict-overflow -ftree-vectorize)

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2010-11-04  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/45733
	* tree-vect-stmts.c (reverse_vec_elements): Honor the
	permute builtins function return type.

	* gcc.dg/pr45733.c: New testcase.

From-SVN: r166308
This commit is contained in:
Richard Guenther 2010-11-04 12:42:57 +00:00 committed by Richard Biener
parent bf9412cda7
commit 2a2651b797
4 changed files with 36 additions and 1 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2010-11-04 Richard Guenther <rguenther@suse.de>
PR tree-optimization/45733
* tree-vect-stmts.c (reverse_vec_elements): Honor the
permute builtins function return type.
2010-10-04 Joern Rennecke <amylaar@spamcop.net>
PR middle-end/44765

5
gcc/testsuite/ChangeLog
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@ -1,3 +1,8 @@
2010-11-04 Richard Guenther <rguenther@suse.de>
PR tree-optimization/45733
* gcc.dg/pr45733.c: New testcase.
2010-11-04 Ira Rosen <irar@il.ibm.com>
PR tree-optimization/46213

13
gcc/testsuite/gcc.dg/pr45733.c Normal file
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@ -0,0 +1,13 @@
/* { dg-do compile } */
/* { dg-options "-O -fstrict-overflow -ftree-vectorize" } */
typedef __INTPTR_TYPE__ intptr_t;
intptr_t
foo (void **p, int i)
{
intptr_t x = 0;
while (i--)
x ^= (intptr_t) p[i];
return x;
}

13
gcc/tree-vect-stmts.c
View File

@ -3742,8 +3742,19 @@ reverse_vec_elements (tree x, gimple stmt, gimple_stmt_iterator *gsi)
/* Generate the permute statement. */
perm_stmt = gimple_build_call (builtin_decl, 3, x, x, mask_vec);
if (!useless_type_conversion_p (vectype,
TREE_TYPE (TREE_TYPE (builtin_decl))))
{
tree tem = create_tmp_reg (TREE_TYPE (TREE_TYPE (builtin_decl)), NULL);
tem = make_ssa_name (tem, perm_stmt);
gimple_call_set_lhs (perm_stmt, tem);
vect_finish_stmt_generation (stmt, perm_stmt, gsi);
perm_stmt = gimple_build_assign (NULL_TREE,
build1 (VIEW_CONVERT_EXPR,
vectype, tem));
}
data_ref = make_ssa_name (perm_dest, perm_stmt);
gimple_call_set_lhs (perm_stmt, data_ref);
gimple_set_lhs (perm_stmt, data_ref);
vect_finish_stmt_generation (stmt, perm_stmt, gsi);
return data_ref;