procyberian/gcc
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

re PR tree-optimization/35737 (ICE with __builtin_setjmp and complex variable)

Browse source 
PR tree-opt/35737
        * tree-complex.c (set_component_ssa_name): Don't optimize
        is_gimple_min_invariant values with ssa_names in abnormal phis.

From-SVN: r140812
This commit is contained in:
Richard Henderson 2008-10-01 07:28:04 -07:00 • committed by Richard Henderson
parent 2d66eeeb56
commit 35a45bd40e
3 changed files with 25 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

6
gcc/ChangeLog
View file

@ -1,3 +1,9 @@
2008-10-01 Richard Henderson <rth@redhat.com>
PR tree-opt/35737
* tree-complex.c (set_component_ssa_name): Don't optimize
is_gimple_min_invariant values with ssa_names in abnormal phis.
2008-09-30 Paolo Bonzini <bonzini@gnu.org>
PR tree-optimization/37662

17
gcc/testsuite/gcc.c-torture/compile/complex-6.c Normal file
View file

@ -0,0 +1,17 @@
/* PR tree-opt/35737 */
long buf[10];
int foo()
{
__complex__ int i = 0;
if (__builtin_setjmp(buf))
{
i = 1;
bar();
}
return i == 0;
}

3
gcc/tree-complex.c
View file

@ -537,7 +537,8 @@ set_component_ssa_name (tree ssa_name, bool imag_p, tree value)
/* If we've nothing assigned, and the value we're given is already stable,
then install that as the value for this SSA_NAME. This preemptively
copy-propagates the value, which avoids unnecessary memory allocation. */
else if (is_gimple_min_invariant (value))
else if (is_gimple_min_invariant (value)
&& !SSA_NAME_OCCURS_IN_ABNORMAL_PHI (ssa_name))
{
VEC_replace (tree, complex_ssa_name_components, ssa_name_index, value);
return NULL;