diff options
| author | jakub <jakub@138bc75d-0d04-0410-961f-82ee72b054a4> | 2008-04-24 16:08:11 +0000 |
|---|---|---|
| committer | jakub <jakub@138bc75d-0d04-0410-961f-82ee72b054a4> | 2008-04-24 16:08:11 +0000 |
| commit | 5791999fefcf73fcef43d5b590dee1113be5c3af (patch) | |
| tree | ca710a32b2afc2a6652c1ba80891b326e6c26420 | |
| parent | e06f9c34bb68d44431d2d4f55ab9bd5089331b64 (diff) | |
| download | gcc-5791999fefcf73fcef43d5b590dee1113be5c3af.tar.gz | |
PR tree-optimization/36008
* fold-const.c (try_move_mult_to_index): If s == NULL, divide
the original op1, rather than delta by step.
* gcc.c-torture/execute/20080424-1.c: New test.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@134634 138bc75d-0d04-0410-961f-82ee72b054a4
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/fold-const.c | 2 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.c-torture/execute/20080424-1.c | 31 |
4 files changed, 43 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 31bac1edbcd..5751c5d10df 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2008-04-24 Jakub Jelinek <jakub@redhat.com> + + PR tree-optimization/36008 + * fold-const.c (try_move_mult_to_index): If s == NULL, divide + the original op1, rather than delta by step. + 2008-04-22 Antoniu Pop <antoniu.pop@gmail.com> Sebastian Pop <sebastian.pop@amd.com> diff --git a/gcc/fold-const.c b/gcc/fold-const.c index 4015f62e5cd..a4d5760b861 100644 --- a/gcc/fold-const.c +++ b/gcc/fold-const.c @@ -6919,7 +6919,7 @@ try_move_mult_to_index (tree addr, tree op1) else { /* Try if delta is a multiple of step. */ - tree tmp = div_if_zero_remainder (EXACT_DIV_EXPR, delta, step); + tree tmp = div_if_zero_remainder (EXACT_DIV_EXPR, op1, step); if (! tmp) continue; delta = tmp; diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index fa3768efc2e..01c423c6667 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2008-04-24 Jakub Jelinek <jakub@redhat.com> + + PR tree-optimization/36008 + * gcc.c-torture/execute/20080424-1.c: New test. + 2008-04-24 Ira Rosen <irar@il.ibm.com> Richard Guenther <rguenther@suse.de> diff --git a/gcc/testsuite/gcc.c-torture/execute/20080424-1.c b/gcc/testsuite/gcc.c-torture/execute/20080424-1.c new file mode 100644 index 00000000000..4916d907565 --- /dev/null +++ b/gcc/testsuite/gcc.c-torture/execute/20080424-1.c @@ -0,0 +1,31 @@ +/* PR tree-optimization/36008 */ + +extern void abort (void); + +int g[48][3][3]; + +void __attribute__ ((noinline)) +bar (int x[3][3], int y[3][3]) +{ + static int i; + if (x != g[i + 8] || y != g[i++]) + abort (); +} + +static inline void __attribute__ ((always_inline)) +foo (int x[][3][3]) +{ + int i; + for (i = 0; i < 8; i++) + { + int k = i + 8; + bar (x[k], x[k - 8]); + } +} + +int +main () +{ + foo (g); + return 0; +} |