aboutsummaryrefslogtreecommitdiff
path: root/gcc/regrename.c
diff options
context:
space:
mode:
authorJan Hubicka <jh@suse.cz>2003-02-07 02:20:04 +0100
committerJan Hubicka <hubicka@gcc.gnu.org>2003-02-07 01:20:04 +0000
commitd1d3c9a6d40f506aebf74fb1f4501487d776358c (patch)
treec728b29df1166939da2bee8ea8edd87016334bf3 /gcc/regrename.c
parentafb6c265b7b2ddf4723a822fb28d1266d80c9a84 (diff)
downloadgcc-d1d3c9a6d40f506aebf74fb1f4501487d776358c.zip
gcc-d1d3c9a6d40f506aebf74fb1f4501487d776358c.tar.gz
gcc-d1d3c9a6d40f506aebf74fb1f4501487d776358c.tar.bz2
regrename.c (do_replace, [...]): Update register attributes.
* regrename.c (do_replace, find_oldest_value_reg, copyprop_hardreg_forward_1): Update register attributes. From-SVN: r62509
Diffstat (limited to 'gcc/regrename.c')
-rw-r--r--gcc/regrename.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/gcc/regrename.c b/gcc/regrename.c
index dce0e89..027e2f4 100644
--- a/gcc/regrename.c
+++ b/gcc/regrename.c
@@ -377,9 +377,12 @@ do_replace (chain, reg)
while (chain)
{
unsigned int regno = ORIGINAL_REGNO (*chain->loc);
+ struct reg_attrs * attr = REG_ATTRS (*chain->loc);
+
*chain->loc = gen_raw_REG (GET_MODE (*chain->loc), reg);
if (regno >= FIRST_PSEUDO_REGISTER)
ORIGINAL_REGNO (*chain->loc) = regno;
+ REG_ATTRS (*chain->loc) = attr;
chain = chain->next_use;
}
}
@@ -1393,6 +1396,7 @@ find_oldest_value_reg (class, reg, vd)
regno)))
{
ORIGINAL_REGNO (new) = ORIGINAL_REGNO (reg);
+ REG_ATTRS (new) = REG_ATTRS (reg);
return new;
}
}
@@ -1686,6 +1690,7 @@ copyprop_hardreg_forward_1 (bb, vd)
if (validate_change (insn, &SET_SRC (set), new, 0))
{
ORIGINAL_REGNO (new) = ORIGINAL_REGNO (src);
+ REG_ATTRS (new) = REG_ATTRS (src);
if (rtl_dump_file)
fprintf (rtl_dump_file,
"insn %u: replaced reg %u with %u\n",