summaryrefslogtreecommitdiff
path: root/gcc/stor-layout.c
diff options
context:
space:
mode:
authorrth <rth@138bc75d-0d04-0410-961f-82ee72b054a4>2004-08-12 04:01:04 +0000
committerrth <rth@138bc75d-0d04-0410-961f-82ee72b054a4>2004-08-12 04:01:04 +0000
commit59ff7b6e271e2d9b3cd5df791e039d9c12d178e0 (patch)
treefc30e6d27de3e811bf01d5d624f1b7c9f3a541d8 /gcc/stor-layout.c
parentd38cff3040db5b167aec03750793417522d85f6c (diff)
downloadgcc-59ff7b6e271e2d9b3cd5df791e039d9c12d178e0.tar.gz
* stor-layout.c (round_up, round_down): Move ...
* fold-const.c (round_up, round_down): ... here. Use multiple_of_p to avoid any arithmetic at all. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@85848 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/stor-layout.c')
-rw-r--r--gcc/stor-layout.c58
1 files changed, 0 insertions, 58 deletions
diff --git a/gcc/stor-layout.c b/gcc/stor-layout.c
index 3a0acd70725..661cb8b3173 100644
--- a/gcc/stor-layout.c
+++ b/gcc/stor-layout.c
@@ -269,64 +269,6 @@ get_mode_alignment (enum machine_mode mode)
return MIN (BIGGEST_ALIGNMENT, MAX (1, mode_base_align[mode]*BITS_PER_UNIT));
}
-/* Return the value of VALUE, rounded up to a multiple of DIVISOR.
- This can only be applied to objects of a sizetype. */
-
-tree
-round_up (tree value, int divisor)
-{
- tree t;
-
- if (divisor == 0)
- abort ();
- if (divisor == 1)
- return value;
-
- /* If divisor is a power of two, simplify this to bit manipulation. */
- if (divisor == (divisor & -divisor))
- {
- t = size_int_type (divisor - 1, TREE_TYPE (value));
- value = size_binop (PLUS_EXPR, value, t);
- t = size_int_type (-divisor, TREE_TYPE (value));
- value = size_binop (BIT_AND_EXPR, value, t);
- }
- else
- {
- t = size_int_type (divisor, TREE_TYPE (value));
- value = size_binop (CEIL_DIV_EXPR, value, t);
- value = size_binop (MULT_EXPR, value, t);
- }
-
- return value;
-}
-
-/* Likewise, but round down. */
-
-tree
-round_down (tree value, int divisor)
-{
- tree t;
-
- if (divisor == 0)
- abort ();
- if (divisor == 1)
- return value;
-
- /* If divisor is a power of two, simplify this to bit manipulation. */
- if (divisor == (divisor & -divisor))
- {
- t = size_int_type (-divisor, TREE_TYPE (value));
- value = size_binop (BIT_AND_EXPR, value, t);
- }
- else
- {
- t = size_int_type (divisor, TREE_TYPE (value));
- value = size_binop (FLOOR_DIV_EXPR, value, t);
- value = size_binop (MULT_EXPR, value, t);
- }
-
- return value;
-}
/* Subroutine of layout_decl: Force alignment required for the data type.
But if the decl itself wants greater alignment, don't override that. */