diff options
| author | ebotcazou <ebotcazou@138bc75d-0d04-0410-961f-82ee72b054a4> | 2013-03-06 17:34:02 +0000 |
|---|---|---|
| committer | ebotcazou <ebotcazou@138bc75d-0d04-0410-961f-82ee72b054a4> | 2013-03-06 17:34:02 +0000 |
| commit | 366e183654576372d47dfce0d62163e33af66571 (patch) | |
| tree | 3b1b031a404233b4e36a110d2ff105cbf2f77400 /gcc/ada/gcc-interface | |
| parent | 48ff81f3fb3999106ea245d74a03d35beb62e9e9 (diff) | |
| download | gcc-366e183654576372d47dfce0d62163e33af66571.tar.gz | |
* gcc-interface/trans.c (emit_range_check): Assert that the range type
is a numerical type and remove useless local variables.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@196500 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/ada/gcc-interface')
| -rw-r--r-- | gcc/ada/gcc-interface/trans.c | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/gcc/ada/gcc-interface/trans.c b/gcc/ada/gcc-interface/trans.c index 1d25b0f94a1..69904bc47de 100644 --- a/gcc/ada/gcc-interface/trans.c +++ b/gcc/ada/gcc-interface/trans.c @@ -8119,8 +8119,6 @@ static tree emit_range_check (tree gnu_expr, Entity_Id gnat_range_type, Node_Id gnat_node) { tree gnu_range_type = get_unpadded_type (gnat_range_type); - tree gnu_low = TYPE_MIN_VALUE (gnu_range_type); - tree gnu_high = TYPE_MAX_VALUE (gnu_range_type); tree gnu_compare_type = get_base_type (TREE_TYPE (gnu_expr)); /* If GNU_EXPR has GNAT_RANGE_TYPE as its base type, no check is needed. @@ -8128,6 +8126,10 @@ emit_range_check (tree gnu_expr, Entity_Id gnat_range_type, Node_Id gnat_node) if (gnu_compare_type == gnu_range_type) return gnu_expr; + /* Range checks can only be applied to types with ranges. */ + gcc_assert (INTEGRAL_TYPE_P (gnu_range_type) + || SCALAR_FLOAT_TYPE_P (gnu_range_type)); + /* If GNU_EXPR has an integral type that is narrower than GNU_RANGE_TYPE, we can't do anything since we might be truncating the bounds. No check is needed in this case. */ @@ -8147,13 +8149,16 @@ emit_range_check (tree gnu_expr, Entity_Id gnat_range_type, Node_Id gnat_node) (build_binary_op (TRUTH_ORIF_EXPR, boolean_type_node, invert_truthvalue (build_binary_op (GE_EXPR, boolean_type_node, - convert (gnu_compare_type, gnu_expr), - convert (gnu_compare_type, gnu_low))), + convert (gnu_compare_type, gnu_expr), + convert (gnu_compare_type, + TYPE_MIN_VALUE + (gnu_range_type)))), invert_truthvalue (build_binary_op (LE_EXPR, boolean_type_node, convert (gnu_compare_type, gnu_expr), convert (gnu_compare_type, - gnu_high)))), + TYPE_MAX_VALUE + (gnu_range_type))))), gnu_expr, CE_Range_Check_Failed, gnat_node); } |