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authorJakub Jelinek <jakub@redhat.com>2001-10-30 13:41:45 +0100
committerJakub Jelinek <jakub@gcc.gnu.org>2001-10-30 13:41:45 +0100
commit3d238248433054745e54777fc4c59d1bce67ee41 (patch)
treebf284af1d2de346c28438607b4461f75a47c178a /gcc/gcse.c
parent53fcdc7677776c3ccbe098ee4f8fe082cae5f28e (diff)
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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/gcse.c')
-rw-r--r--gcc/gcse.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/gcc/gcse.c b/gcc/gcse.c
index a91cfd6..0bd96e0 100644
--- a/gcc/gcse.c
+++ b/gcc/gcse.c
@@ -3929,8 +3929,7 @@ try_replace_reg (from, to, insn)
/* If we've failed to do replacement, have a single SET, and don't already
have a note, add a REG_EQUAL note to not lose information. */
if (!success && note == 0 && set != 0)
- note = REG_NOTES (insn)
- = gen_rtx_EXPR_LIST (REG_EQUAL, src, REG_NOTES (insn));
+ note = set_unique_reg_note (insn, REG_EQUAL, src);
/* If there is already a NOTE, update the expression in it with our
replacement. */