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authorjakub <jakub@138bc75d-0d04-0410-961f-82ee72b054a4>2001-10-30 12:41:45 +0000
committerjakub <jakub@138bc75d-0d04-0410-961f-82ee72b054a4>2001-10-30 12:41:45 +0000
commitc080d8f03b137c42b863555fe98a53cbf79b0c98 (patch)
treebf284af1d2de346c28438607b4461f75a47c178a /gcc/gcse.c
parent1a5a5cd8e1186b23c202356655578e6f328aa361 (diff)
downloadgcc-c080d8f03b137c42b863555fe98a53cbf79b0c98.tar.gz
* 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. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@46636 138bc75d-0d04-0410-961f-82ee72b054a4
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 a91cfd6836e..0bd96e02e4e 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. */