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

re PR tree-optimization/33855 (Segfault in verify_ssa/execute_function_todo with -O)

Browse source 
PR tree-optimization/33855

        * tree-ssa-phiopt.c (cond_store_replacement): Handle
        * COMPLEX_TYPE
        and VECTOR_TYPE.

        * gcc.c-torture/compile/pr33855.c: New testcase.

From-SVN: r129551
This commit is contained in:
Michael Matz 2007-10-22 15:29:17 +00:00 • committed by Michael Matz
parent 174f8765a8
commit 22a5d0133d
4 changed files with 41 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

6
gcc/ChangeLog
View file

@ -1,3 +1,9 @@
2007-10-22 Michael Matz <matz@suse.de>
PR tree-optimization/33855
* tree-ssa-phiopt.c (cond_store_replacement): Handle COMPLEX_TYPE
and VECTOR_TYPE.
2007-10-22 Ira Rosen <irar@il.ibm.com>
PR tree-optimization/33854

5
gcc/testsuite/ChangeLog
View file

@ -1,3 +1,8 @@
2007-10-22 Michael Matz <matz@suse.de>
PR tree-optimization/33855
* gcc.c-torture/compile/pr33855.c: New testcase.
2007-10-22 Ira Rosen <irar@il.ibm.com>
PR tree-optimization/33854

27
gcc/testsuite/gcc.c-torture/compile/pr33855.c Normal file
View file

@ -0,0 +1,27 @@
/* Testcase by Martin Michlmayr <tbm@cyrius.com> */
/* Used to segfault due to cselim not marking the complex temp var
as GIMPLE reg. */
typedef struct {
int nsant, nvqd;
_Complex long double *vqd;
} vsorc_t;
vsorc_t vsorc;
void foo(int next_job, int ain_num, int iped, long t) {
long double zpnorm;
while (!next_job)
if (ain_num)
{
if (iped == 1)
zpnorm = 0.0;
int indx = vsorc.nvqd-1;
vsorc.vqd[indx] = t*1.0fj;
if (cabsl(vsorc.vqd[indx]) < 1.e-20)
vsorc.vqd[indx] = 0.0fj;
zpnorm = t;
if (zpnorm > 0.0)
iped = vsorc.nsant;
}
}

3
gcc/tree-ssa-phiopt.c
View file

@ -1287,6 +1287,9 @@ cond_store_replacement (basic_block middle_bb, basic_block join_bb,
{
condstoretemp = create_tmp_var (TREE_TYPE (lhs), "cstore");
get_var_ann (condstoretemp);
if (TREE_CODE (TREE_TYPE (lhs)) == COMPLEX_TYPE
|| TREE_CODE (TREE_TYPE (lhs)) == VECTOR_TYPE)
DECL_GIMPLE_REG_P (condstoretemp) = 1;
}
add_referenced_var (condstoretemp);