diff options
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/regclass.c | 7 |
2 files changed, 11 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 03cd38f..5d54bb8 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +Wed May 9 10:40:25 2001 Alexandre Oliva <aoliva@redhat.com> + + * regclass.c (scan_one_insn): Update REG_N_REFS when optimizing + handling of two-address insns. + Wed May 9 10:36:18 2001 Alexandre Oliva <aoliva@redhat.com> * Makefile.in (NM_FOR_TARGET): Look for ./nm, then diff --git a/gcc/regclass.c b/gcc/regclass.c index 001015f..82d90fa 100644 --- a/gcc/regclass.c +++ b/gcc/regclass.c @@ -1058,11 +1058,16 @@ scan_one_insn (insn, pass) /* This makes one more setting of new insns's dest. */ REG_N_SETS (REGNO (recog_data.operand[0]))++; + REG_N_REFS (REGNO (recog_data.operand[0]))++; *recog_data.operand_loc[1] = recog_data.operand[0]; + REG_N_REFS (REGNO (recog_data.operand[0]))++; for (i = recog_data.n_dups - 1; i >= 0; i--) if (recog_data.dup_num[i] == 1) - *recog_data.dup_loc[i] = recog_data.operand[0]; + { + *recog_data.dup_loc[i] = recog_data.operand[0]; + REG_N_REFS (REGNO (recog_data.operand[0]))++; + } return PREV_INSN (newinsn); } |