diff options
| author | Paolo Bonzini <bonzini@gcc.gnu.org> | 2007-11-15 14:45:55 +0000 |
|---|---|---|
| committer | Paolo Bonzini <bonzini@gcc.gnu.org> | 2007-11-15 14:45:55 +0000 |
| commit | ea6684648c9c2bf8d3e2e656a3dd1726768a87e8 (patch) | |
| tree | dd3b93cb01cbb99a18927f2b06dd0dab5af48171 /gcc | |
| parent | 3f61b42f2b8727a4fd00d6956c91fb2bbe77dd88 (diff) | |
| download | gcc-ea6684648c9c2bf8d3e2e656a3dd1726768a87e8.zip gcc-ea6684648c9c2bf8d3e2e656a3dd1726768a87e8.tar.gz gcc-ea6684648c9c2bf8d3e2e656a3dd1726768a87e8.tar.bz2 | |
fwprop.c (try_fwprop_subst): Skip profitability check for forward propagation into an address...
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.
From-SVN: r130201
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 7 | ||||
| -rw-r--r-- | gcc/fwprop.c | 3 |
2 files changed, 8 insertions, 2 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index d5683b9..95efbfad 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,9 +1,14 @@ +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. + 2007-11-15 Ulrich Weigand <Ulrich.Weigand@de.ibm.com> * config/spu/spu-protos.h (legitimate_const): Remove prototype. * config/spu/spu.c (legitimate_const): Remove. (classify_immediate): Inline call to legitimate_const. - (spu_legitimate_address): Likewise. Allow SMBOL_REF + CONST_INT + (spu_legitimate_address): Likewise. Allow SYMBOL_REF + CONST_INT for any constant, not just -512 .. 511. 2007-11-15 Sa Liu <saliu@de.ibm.com> diff --git a/gcc/fwprop.c b/gcc/fwprop.c index eecd0a0..6bc9c67 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", |