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| author | Jakub Jelinek <jakub@redhat.com> | 2001-10-30 13:41:45 +0100 |
|---|---|---|
| committer | Jakub Jelinek <jakub@gcc.gnu.org> | 2001-10-30 13:41:45 +0100 |
| commit | 3d238248433054745e54777fc4c59d1bce67ee41 (patch) | |
| tree | bf284af1d2de346c28438607b4461f75a47c178a /gcc/loop.c | |
| parent | 53fcdc7677776c3ccbe098ee4f8fe082cae5f28e (diff) | |
| download | gcc-3d238248433054745e54777fc4c59d1bce67ee41.tar.gz | |
emit-rtl.c (set_unique_reg_note): Don't create REG_EQUAL or REG_EQUIV notes for ASM_OPERANDS.
* emit-rtl.c (set_unique_reg_note): Don't create REG_EQUAL or
REG_EQUIV notes for ASM_OPERANDS. Return the new note (if any).
* rtl.h (set_unique_reg_note): Change return value.
* gcse.c (try_replace_reg): Use set_unique_reg_note.
* cse.c (cse_insn): Likewise.
* expr.c (emit_move_insn): Likewise.
* explow.c (force_reg): Likewise.
* local-alloc (update_equiv_regs): Likewise.
* loop.c (move_moveables, load_mems): Likewise.
* reload (find_reloads): Likewise.
* gcc.dg/20011029-2.c: New test.
From-SVN: r46636
Diffstat (limited to 'gcc/loop.c')
| -rw-r--r-- | gcc/loop.c | 16 |
1 files changed, 6 insertions, 10 deletions
diff --git a/gcc/loop.c b/gcc/loop.c index baaa74b59ab..8b2f8daf013 100644 --- a/gcc/loop.c +++ b/gcc/loop.c @@ -1831,9 +1831,9 @@ move_movables (loop, movables, threshold, insn_count) i1 = loop_insn_hoist (loop, seq); if (! find_reg_note (i1, REG_EQUAL, NULL_RTX)) - REG_NOTES (i1) - = gen_rtx_EXPR_LIST (m->is_equiv ? REG_EQUIV : REG_EQUAL, - m->set_src, REG_NOTES (i1)); + set_unique_reg_note (i1, + m->is_equiv ? REG_EQUIV : REG_EQUAL, + m->set_src); if (loop_dump_stream) fprintf (loop_dump_stream, " moved to %d", INSN_UID (i1)); @@ -1991,10 +1991,8 @@ move_movables (loop, movables, threshold, insn_count) i1 = loop_insn_hoist (loop, seq); if (! find_reg_note (i1, REG_EQUAL, NULL_RTX)) - REG_NOTES (i1) - = gen_rtx_EXPR_LIST ((m->is_equiv ? REG_EQUIV - : REG_EQUAL), - m->set_src, REG_NOTES (i1)); + set_unique_reg_note (i1, m->is_equiv ? REG_EQUIV + : REG_EQUAL, m->set_src); } else i1 = loop_insn_hoist (loop, PATTERN (p)); @@ -9136,9 +9134,7 @@ load_mems (loop) } if (const_equiv) - REG_NOTES (set) = gen_rtx_EXPR_LIST (REG_EQUAL, - copy_rtx (const_equiv->loc), - REG_NOTES (set)); + set_unique_reg_note (set, REG_EQUAL, copy_rtx (const_equiv->loc)); if (written) { |