diff options
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/expmed.c | 7 |
2 files changed, 6 insertions, 6 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index c2c619f..986b0d0 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2001-11-02 Aldy Hernandez <aldyh@redhat.com> + + * expmed.c (store_bit_field): Use simplify_gen_subreg to make + SUBREG so we avoid SUBREGing memory. + 2001-11-02 DJ Delorie <dj@redhat.com> * config/rs6000/rs6000.c (rs6000_emit_move): Make sure that diff --git a/gcc/expmed.c b/gcc/expmed.c index b08a8c6..10c5141 100644 --- a/gcc/expmed.c +++ b/gcc/expmed.c @@ -638,12 +638,7 @@ store_bit_field (str_rtx, bitsize, bitnum, fieldmode, value, align, total_size) if we must narrow it, be sure we do it correctly. */ if (GET_MODE_SIZE (GET_MODE (value)) < GET_MODE_SIZE (maxmode)) - { - /* Avoid making subreg of a subreg, or of a mem. */ - if (GET_CODE (value1) != REG) - value1 = copy_to_reg (value1); - value1 = gen_rtx_SUBREG (maxmode, value1, 0); - } + value1 = simplify_gen_subreg (maxmode, value1, GET_MODE (value1), 0); else value1 = gen_lowpart (maxmode, value1); } |