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| author | ebotcazou <ebotcazou@138bc75d-0d04-0410-961f-82ee72b054a4> | 2005-09-08 16:37:20 +0000 |
|---|---|---|
| committer | ebotcazou <ebotcazou@138bc75d-0d04-0410-961f-82ee72b054a4> | 2005-09-08 16:37:20 +0000 |
| commit | f6a03622063d42fe3c5580c2a41c32fc5327e91d (patch) | |
| tree | 8bbfa509269df1cf8b44fcf65705fbc8f29d043a | |
| parent | 598d8efb2d9a6faeea32d2dee4679fb6e4bbd39e (diff) | |
| download | gcc-f6a03622063d42fe3c5580c2a41c32fc5327e91d.tar.gz | |
* tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
the result of a conversion if the new min and max cannot be compared.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@104036 138bc75d-0d04-0410-961f-82ee72b054a4
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/tree-vrp.c | 2 |
2 files changed, 6 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index aaaf3084058..2548e32d192 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2005-09-08 Eric Botcazou <ebotcazou@libertysurf.fr> + + * tree-vrp.c (extract_range_from_unary_expr): Do not set the range for + the result of a conversion if the new min and max cannot be compared. + 2005-09-08 Andreas Krebbel <krebbel1@de.ibm.com> * config/s390/s390.c (s390_sr_alias_set): Variable removed. diff --git a/gcc/tree-vrp.c b/gcc/tree-vrp.c index ab6dc58e7ed..a7be2d9cc2e 100644 --- a/gcc/tree-vrp.c +++ b/gcc/tree-vrp.c @@ -1341,7 +1341,7 @@ extract_range_from_unary_expr (value_range_t *vr, tree expr) && tree_int_cst_equal (new_min, vr0.min) && tree_int_cst_equal (new_max, vr0.max) && compare_values (new_min, new_max) <= 0 - && compare_values (new_min, new_max) >= -2) + && compare_values (new_min, new_max) >= -1) { set_value_range (vr, VR_RANGE, new_min, new_max, vr->equiv); return; |