diff options
| author | bonzini <bonzini@138bc75d-0d04-0410-961f-82ee72b054a4> | 2007-11-15 14:45:55 +0000 |
|---|---|---|
| committer | bonzini <bonzini@138bc75d-0d04-0410-961f-82ee72b054a4> | 2007-11-15 14:45:55 +0000 |
| commit | f4d72632e92471fa96075ef83cdec3eb6d05df98 (patch) | |
| tree | dd3b93cb01cbb99a18927f2b06dd0dab5af48171 /gcc/fwprop.c | |
| parent | 0cfc65d40a273b4f5c84913f0243c9f66531e860 (diff) | |
| download | gcc-f4d72632e92471fa96075ef83cdec3eb6d05df98.tar.gz | |
2007-11-15 Paolo Bonzini <bonzini@gnu.org>
* fwprop.c (try_fwprop_subst): Skip profitability check for forward
propagation into an address; that's done in should_replace_address.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@130201 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/fwprop.c')
| -rw-r--r-- | gcc/fwprop.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/gcc/fwprop.c b/gcc/fwprop.c index eecd0a0a5de..6bc9c674a76 100644 --- a/gcc/fwprop.c +++ b/gcc/fwprop.c @@ -697,7 +697,8 @@ try_fwprop_subst (struct df_ref *use, rtx *loc, rtx new, rtx def_insn, bool set_ ok = false; } - else if (rtx_cost (SET_SRC (set), SET) > old_cost) + else if (DF_REF_TYPE (use) == DF_REF_REG_USE + && rtx_cost (SET_SRC (set), SET) > old_cost) { if (dump_file) fprintf (dump_file, "Changes to insn %d not profitable\n", |