mirror/gcc
2
0
Fork 0
mirror of git://gcc.gnu.org/git/gcc.git synced 2024-12-16 19:59:50 +08:00
Code Issues Packages Projects Releases Wiki Activity

expmed.c (init_expmed): Don't free objects we make.

Browse Source 
* expmed.c (init_expmed): Don't free objects we make.
	* emit-rtl.c (gen_rtx_CONST_INT, init_emit_once): Minor cleanups.

From-SVN: r33057
This commit is contained in:
Richard Kenner 2000-04-10 11:51:53 +00:00 committed by Richard Kenner
parent 7156dead87
commit 29105cea6a
3 changed files with 13 additions and 21 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
gcc/ChangeLog
View File

@ -1,5 +1,8 @@
Mon Apr 10 07:21:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
* expmed.c (init_expmed): Don't free objects we make.
* emit-rtl.c (gen_rtx_CONST_INT, init_emit_once): Minor cleanups.
* expr.c (get_inner_reference): Correct some WITH_RECORD_EXPR cases.
(expand_expr, case CONVERT_EXPR): Pass proper alignment to store_field.

23
gcc/emit-rtl.c
View File

@ -248,27 +248,26 @@ gen_rtx_CONST_INT (mode, arg)
#endif
/* Look up the CONST_INT in the hash table. */
slot = htab_find_slot_with_hash (const_int_htab,
&arg,
(hashval_t) arg,
/*insert=*/1);
if (!*slot)
slot = htab_find_slot_with_hash (const_int_htab, &arg, (hashval_t) arg, 1);
if (*slot == 0)
{
if (!ggc_p)
{
push_obstacks_nochange ();
end_temporary_allocation ();
*slot = gen_rtx_raw_CONST_INT (VOIDmode, arg);
pop_obstacks ();
}
*slot = gen_rtx_raw_CONST_INT (VOIDmode, arg);
if (!ggc_p)
pop_obstacks ();
else
*slot = gen_rtx_raw_CONST_INT (VOIDmode, arg);
}
return (rtx) *slot;
}
/* CONST_DOUBLEs needs special handling because its length is known
/* CONST_DOUBLEs needs special handling because their length is known
only at run-time. */
rtx
gen_rtx_CONST_DOUBLE (mode, arg0, arg1, arg2)
enum machine_mode mode;
@ -4157,10 +4156,8 @@ init_emit_once (line_numbers)
ggc_add_rtx_root (&return_address_pointer_rtx, 1);
/* Initialize the CONST_INT hash table. */
const_int_htab = htab_create (37,
const_int_htab_hash,
const_int_htab_eq,
NULL);
const_int_htab = htab_create (37, const_int_htab_hash,
const_int_htab_eq, NULL);
ggc_add_root (&const_int_htab, 1, sizeof (const_int_htab),
rtx_htab_mark);
}

8
gcc/expmed.c
View File

@ -90,7 +90,6 @@ static int mul_highpart_cost[NUM_MACHINE_MODES];
void
init_expmed ()
{
char *free_point;
/* This is "some random pseudo register" for purposes of calling recog
to see what insns exist. */
rtx reg = gen_rtx_REG (word_mode, 10000);
@ -101,11 +100,6 @@ init_expmed ()
start_sequence ();
/* Since we are on the permanent obstack, we must be sure we save this
spot AFTER we call start_sequence, since it will reuse the rtl it
makes. */
free_point = (char *) oballoc (0);
reg = gen_rtx_REG (word_mode, 10000);
zero_cost = rtx_cost (const0_rtx, 0);
@ -191,9 +185,7 @@ init_expmed ()
}
}
/* Free the objects we just allocated. */
end_sequence ();
obfree (free_point);
}
/* Return an rtx representing minus the value of X.