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expmed.c (const_mult_add_overflow_p): Remove. 

* expmed.c (const_mult_add_overflow_p): Remove.
	* expr.h: Remove the prototype for const_mult_add_overflow_p.

From-SVN: r110334
This commit is contained in:
Kazu Hirata 2006-01-28 22:01:54 +00:00 committed by Kazu Hirata
parent 3d538baeb5
commit b79de014cc
3 changed files with 5 additions and 39 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
2006-01-28 Kazu Hirata <kazu@codesourcery.com>
* expmed.c (const_mult_add_overflow_p): Remove.
* expr.h: Remove the prototype for const_mult_add_overflow_p.
2006-01-28 David Edelsohn <edelsohn@gnu.org>
* config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float

38
gcc/expmed.c
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@ -5025,44 +5025,6 @@ make_tree (tree type, rtx x)
}
}
/* Check whether the multiplication X * MULT + ADD overflows.
X, MULT and ADD must be CONST_*.
MODE is the machine mode for the computation.
X and MULT must have mode MODE. ADD may have a different mode.
So can X (defaults to same as MODE).
UNSIGNEDP is nonzero to do unsigned multiplication. */
bool
const_mult_add_overflow_p (rtx x, rtx mult, rtx add,
enum machine_mode mode, int unsignedp)
{
tree type, mult_type, add_type, result;
type = lang_hooks.types.type_for_mode (mode, unsignedp);
/* In order to get a proper overflow indication from an unsigned
type, we have to pretend that it's a sizetype. */
mult_type = type;
if (unsignedp)
{
/* FIXME:It would be nice if we could step directly from this
type to its sizetype equivalent. */
mult_type = build_distinct_type_copy (type);
TYPE_IS_SIZETYPE (mult_type) = 1;
}
add_type = (GET_MODE (add) == VOIDmode ? mult_type
: lang_hooks.types.type_for_mode (GET_MODE (add), unsignedp));
result = fold_build2 (PLUS_EXPR, mult_type,
fold_build2 (MULT_EXPR, mult_type,
make_tree (mult_type, x),
make_tree (mult_type, mult)),
make_tree (add_type, add));
return TREE_CONSTANT_OVERFLOW (result);
}
/* Return an rtx representing the value of X * MULT + ADD.
TARGET is a suggestion for where to store the result (an rtx).
MODE is the machine mode for the computation.

1
gcc/expr.h
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@ -722,7 +722,6 @@ extern rtx extract_bit_field (rtx, unsigned HOST_WIDE_INT,
unsigned HOST_WIDE_INT, int, rtx,
enum machine_mode, enum machine_mode);
extern rtx expand_mult (enum machine_mode, rtx, rtx, rtx, int);
extern bool const_mult_add_overflow_p (rtx, rtx, rtx, enum machine_mode, int);
extern rtx expand_mult_add (rtx, rtx, rtx, rtx,enum machine_mode, int);
extern rtx expand_mult_highpart_adjust (enum machine_mode, rtx, rtx, rtx, rtx, int);