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re PR tree-optimization/46461 (ICE: invalid argument to gimple call at -O with __builtin_memset())

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PR tree-optimization/46461
	* tree-ssa-forwprop.c (simplify_builtin_call): Ensure ptr1 is
	a gimple val.

	* gcc.c-torture/compile/pr46461.c: New test.

From-SVN: r166776
This commit is contained in:
Jakub Jelinek 2010-11-15 23:30:15 +01:00 committed by Jakub Jelinek
parent ecbfe87a7b
commit 7a4f257ddd
4 changed files with 22 additions and 0 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2010-11-15 Jakub Jelinek <jakub@redhat.com>
PR tree-optimization/46461
* tree-ssa-forwprop.c (simplify_builtin_call): Ensure ptr1 is
a gimple val.
2010-11-15 Ian Lance Taylor <iant@google.com>
* godump.c: New file.

5
gcc/testsuite/ChangeLog
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@ -1,3 +1,8 @@
2010-11-15 Jakub Jelinek <jakub@redhat.com>
PR tree-optimization/46461
* gcc.c-torture/compile/pr46461.c: New test.
2010-11-15 Tobias Burnus <burnus@net.b.de>
PR fortran/46484

8
gcc/testsuite/gcc.c-torture/compile/pr46461.c Normal file
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@ -0,0 +1,8 @@
/* PR tree-optimization/46461 */
void
foo (char *c)
{
c[7] = 0xff;
__builtin_memset (c + 8, 0xff, 8);
}

3
gcc/tree-ssa-forwprop.c
View File

@ -1594,6 +1594,9 @@ simplify_builtin_call (gimple_stmt_iterator *gsi_p, tree callee2)
memcpy call. */
gimple_stmt_iterator gsi = gsi_for_stmt (stmt1);
if (!is_gimple_val (ptr1))
ptr1 = force_gimple_operand_gsi (gsi_p, ptr1, true, NULL_TREE,
true, GSI_SAME_STMT);
gimple_call_set_fndecl (stmt2, built_in_decls [BUILT_IN_MEMCPY]);
gimple_call_set_arg (stmt2, 0, ptr1);
gimple_call_set_arg (stmt2, 1, new_str_cst);