aboutsummaryrefslogtreecommitdiff
path: root/gcc/unroll.c
diff options
context:
space:
mode:
authorKazu Hirata <kazu@cs.umass.edu>2003-07-01 01:15:07 +0000
committerKazu Hirata <kazu@gcc.gnu.org>2003-07-01 01:15:07 +0000
commit6001794def1de775fa296fa60b8bf5630dc97736 (patch)
tree5598774dfea689770b311deffdc2ccd8112d6016 /gcc/unroll.c
parent7d896ee96b213c6e77acd70f44bfb18d1a72c905 (diff)
downloadgcc-6001794def1de775fa296fa60b8bf5630dc97736.zip
gcc-6001794def1de775fa296fa60b8bf5630dc97736.tar.gz
gcc-6001794def1de775fa296fa60b8bf5630dc97736.tar.bz2
combine.c (distribute_notes): Don't bother REG_WAS_0.
* combine.c (distribute_notes): Don't bother REG_WAS_0. * cse.c (cse_insn): Likewise. * final.c (final_scan_insn): Likewise. * jump.c (duplicate_loop_exit_test): Likewise. * rtl.c (reg_note_name): Remove REG_WAS_0. * rtl.h (REG_WAS_0): Remove. * unroll.c (final_reg_note_copy): Don't bother REG_WAS_0. * config/avr/avr.c (output_movqi): Don't use reg_was_0. (output_movhi): Likewise. (output_movsisf): Likewise. (reg_was_0): Remove. * config/m68hc11/m68hc11.c (m68hc11_gen_movhi): Don't use REG_WAS_0. (m68hc11_gen_movqi): Likewise. * config/vax/vax-protos.h: Remove the prototype for reg_was_0_p. * config/vax/vax.c (follows_p): Remove. (reg_was_0_p): Likewise. * config/vax/vax.md (movsi): Don't use reg_was_0_p. (movhi): Likewise. (movqi): Likewise. * doc/rtl.texi (REG_WAS_0): Remove. From-SVN: r68753
Diffstat (limited to 'gcc/unroll.c')
-rw-r--r--gcc/unroll.c29
1 files changed, 9 insertions, 20 deletions
diff --git a/gcc/unroll.c b/gcc/unroll.c
index 03decb7..84ace29 100644
--- a/gcc/unroll.c
+++ b/gcc/unroll.c
@@ -1735,29 +1735,18 @@ final_reg_note_copy (notesp, map)
if (GET_CODE (note) == INSN_LIST)
{
- /* Sometimes, we have a REG_WAS_0 note that points to a
- deleted instruction. In that case, we can just delete the
- note. */
- if (REG_NOTE_KIND (note) == REG_WAS_0)
+ rtx insn = map->insn_map[INSN_UID (XEXP (note, 0))];
+
+ /* If we failed to remap the note, something is awry.
+ Allow REG_LABEL as it may reference label outside
+ the unrolled loop. */
+ if (!insn)
{
- *notesp = XEXP (note, 1);
- continue;
+ if (REG_NOTE_KIND (note) != REG_LABEL)
+ abort ();
}
else
- {
- rtx insn = map->insn_map[INSN_UID (XEXP (note, 0))];
-
- /* If we failed to remap the note, something is awry.
- Allow REG_LABEL as it may reference label outside
- the unrolled loop. */
- if (!insn)
- {
- if (REG_NOTE_KIND (note) != REG_LABEL)
- abort ();
- }
- else
- XEXP (note, 0) = insn;
- }
+ XEXP (note, 0) = insn;
}
notesp = &XEXP (note, 1);