OpenE2K/gcc
2
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

(round_push, allocate_dynamic_stack_space): Avoid using CEIL_DIV_EXPR;

Browse Source 
add adjustment and use TRUNC_DIV_EXPR instead.

From-SVN: r7738
This commit is contained in:
Richard Kenner 1994-07-12 09:07:53 -04:00
parent 667732d849
commit 5244db056b
1 changed files with 11 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
gcc/explow.c
View File

@ -742,7 +742,11 @@ round_push (size)
}
else
{
size = expand_divmod (0, CEIL_DIV_EXPR, Pmode, size, GEN_INT (align),
/* CEIL_DIV_EXPR needs to worry about the addition overflowing,
but we know it can't. So add ourselves and then do TRUNC_DIV_EXPR. */
size = expand_binop (Pmode, add_optab, size, GEN_INT (align - 1),
NULL_RTX, 1, OPTAB_LIB_WIDEN);
size = expand_divmod (0, TRUNC_DIV_EXPR, Pmode, size, GEN_INT (align),
NULL_RTX, 1);
size = expand_mult (Pmode, size, GEN_INT (align), NULL_RTX, 1);
}
@ -1053,10 +1057,14 @@ allocate_dynamic_stack_space (size, target, known_align)
if (known_align % BIGGEST_ALIGNMENT != 0)
#endif
{
target = expand_divmod (0, CEIL_DIV_EXPR, Pmode, target,
/* CEIL_DIV_EXPR needs to worry about the addition overflowing,
but we know it can't. So add ourselves and then do TRUNC_DIV_EXPR. */
target = expand_binop (Pmode, add_opatab, target,
GEN_INT (BIGGEST_ALIGNMENT / BITS_PER_UNIT - 1),
NULL_RTX, 1, OPTAB_LIB_WIDEN);
target = expand_divmod (0, TRUNC_DIV_EXPR, Pmode, target,
GEN_INT (BIGGEST_ALIGNMENT / BITS_PER_UNIT),
NULL_RTX, 1);
target = expand_mult (Pmode, target,
GEN_INT (BIGGEST_ALIGNMENT / BITS_PER_UNIT),
NULL_RTX, 1);