diff options
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/tree-ssa-loop-prefetch.c | 2 |
2 files changed, 6 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 1b727ad..3d84fe8 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2010-05-14 Pat Haugen <pthaugen@us.ibm.com> + + * tree-ssa-loop.prefetch.c (prune_ref_by_group_reuse): Cast abs() + result to unsigned. + 2010-05-14 Tristan Gingold <gingold@adacore.com> * toplev.c (default_debug_hooks): Remove this variable. diff --git a/gcc/tree-ssa-loop-prefetch.c b/gcc/tree-ssa-loop-prefetch.c index daf9956..f828ed3 100644 --- a/gcc/tree-ssa-loop-prefetch.c +++ b/gcc/tree-ssa-loop-prefetch.c @@ -717,7 +717,7 @@ prune_ref_by_group_reuse (struct mem_ref *ref, struct mem_ref *by, prefetch_before = (hit_from - delta_r + step - 1) / step; /* Do not reduce prefetch_before if we meet beyond cache size. */ - if (prefetch_before > abs (L2_CACHE_SIZE_BYTES / step)) + if (prefetch_before > (unsigned) abs (L2_CACHE_SIZE_BYTES / step)) prefetch_before = PREFETCH_ALL; if (prefetch_before < ref->prefetch_before) ref->prefetch_before = prefetch_before; |