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re PR middle-end/35227 (gcc ICEs for functions with unused complex argument) 

2008-02-17  Richard Guenther  <rguenther@suse.de>

	PR middle-end/35227
	* tree-complex.c (init_parameter_lattice_values): Handle parameters
	without default definition.

	* gcc.dg/torture/pr35227.c: New testcase.

From-SVN: r132379
This commit is contained in:
Richard Guenther 2008-02-17 15:06:53 +00:00 committed by Richard Biener
parent e09deb1401
commit f0a77246d3
4 changed files with 26 additions and 7 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2008-02-17 Richard Guenther <rguenther@suse.de>
PR middle-end/35227
* tree-complex.c (init_parameter_lattice_values): Handle parameters
without default definition.
2008-02-17 Richard Guenther <rguenther@suse.de>
PR tree-optimization/35231

5
gcc/testsuite/ChangeLog
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@ -1,3 +1,8 @@
2008-02-17 Richard Guenther <rguenther@suse.de>
PR middle-end/35227
* gcc.dg/torture/pr35227.c: New testcase.
2008-02-17 Richard Guenther <rguenther@suse.de>
PR tree-optimization/35231

9
gcc/testsuite/gcc.dg/torture/pr35227.c Normal file
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@ -0,0 +1,9 @@
/* { dg-do compile } */
mandel(double _Complex C)
{
int py;
C = (__extension__ 1.0iF) * (double)py;
return cabs(C); /* { dg-warning "incompatible" } */
}

13
gcc/tree-complex.c
View File

@ -161,15 +161,14 @@ is_complex_reg (tree lhs)
static void
init_parameter_lattice_values (void)
{
tree parm;
tree parm, ssa_name;
for (parm = DECL_ARGUMENTS (cfun->decl); parm ; parm = TREE_CHAIN (parm))
if (is_complex_reg (parm) && var_ann (parm) != NULL)
{
tree ssa_name = gimple_default_def (cfun, parm);
VEC_replace (complex_lattice_t, complex_lattice_values,
SSA_NAME_VERSION (ssa_name), VARYING);
}
if (is_complex_reg (parm)
&& var_ann (parm) != NULL
&& (ssa_name = gimple_default_def (cfun, parm)) != NULL_TREE)
VEC_replace (complex_lattice_t, complex_lattice_values,
SSA_NAME_VERSION (ssa_name), VARYING);
}
/* Initialize DONT_SIMULATE_AGAIN for each stmt and phi. Return false if