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| author | Roman Zippel <zippel@linux-m68k.org> | 2001-08-27 22:43:37 +0000 |
|---|---|---|
| committer | Richard Henderson <rth@gcc.gnu.org> | 2001-08-27 15:43:37 -0700 |
| commit | f21bdd05bdbac16e29fbc663731f6dfacb74dbd8 (patch) | |
| tree | 4e1f4a225bb3680339d4e0a49ce1ce791bf90dc2 | |
| parent | a224278b115a7a5324313185817f27ca21ee11f4 (diff) | |
| download | gcc-f21bdd05bdbac16e29fbc663731f6dfacb74dbd8.zip gcc-f21bdd05bdbac16e29fbc663731f6dfacb74dbd8.tar.gz gcc-f21bdd05bdbac16e29fbc663731f6dfacb74dbd8.tar.bz2 | |
expmed.c (store_bit_field): Ignore adjustment to bitpos and use bitnum to decide about register move.
* expmed.c (store_bit_field): Ignore adjustment to bitpos
and use bitnum to decide about register move.
From-SVN: r45215
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/expmed.c | 6 |
2 files changed, 8 insertions, 3 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 42e7883..3d64ee7 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2001-08-27 Roman Zippel <zippel@linux-m68k.org> + + * expmed.c (store_bit_field): Ignore adjustment to bitpos + and use bitnum to decide about register move. + 2001-08-27 Richard Henderson <rth@redhat.com> * genattr.c (main): Emit state_t even when not doing scheduling. diff --git a/gcc/expmed.c b/gcc/expmed.c index 7cbc857..af5e56f 100644 --- a/gcc/expmed.c +++ b/gcc/expmed.c @@ -350,14 +350,14 @@ store_bit_field (str_rtx, bitsize, bitnum, fieldmode, value, align, total_size) done with a simple store. For targets that support fast unaligned memory, any naturally sized, unit aligned field can be done directly. */ - if (bitsize == GET_MODE_BITSIZE (fieldmode) + if (bitnum == 0 + && bitsize == GET_MODE_BITSIZE (fieldmode) && (GET_CODE (op0) != MEM ? (GET_MODE_SIZE (fieldmode) >= UNITS_PER_WORD || GET_MODE_SIZE (GET_MODE (op0)) == GET_MODE_SIZE (fieldmode)) : (! SLOW_UNALIGNED_ACCESS (fieldmode, align) || (offset * BITS_PER_UNIT % bitsize == 0 - && align % GET_MODE_BITSIZE (fieldmode) == 0))) - && (BYTES_BIG_ENDIAN ? bitpos + bitsize == unit : bitpos == 0)) + && align % GET_MODE_BITSIZE (fieldmode) == 0)))) { if (GET_MODE (op0) != fieldmode) { |