diff options
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/expmed.c | 15 |
2 files changed, 9 insertions, 11 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index e25e22b..b07f54a 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2003-11-11 James E Wilson <wilson@specifixinc.com> + + * expmed.c (store_bit_field, extract_bit_field): Revert last two + changes. + 2003-11-11 Kazu Hirata <kazu@cs.umass.edu> * config/h8300/lib1funcs.asm: Replace DenHighZero with diff --git a/gcc/expmed.c b/gcc/expmed.c index cb30ff3..d93be93 100644 --- a/gcc/expmed.c +++ b/gcc/expmed.c @@ -326,17 +326,13 @@ store_bit_field (rtx str_rtx, unsigned HOST_WIDE_INT bitsize, If the target is memory, storing any naturally aligned field can be done with a simple store. For targets that support fast unaligned - memory, any naturally sized, unit aligned field can be done directly. - - It's okay if the requested bitsize is greater than fieldmode's - bitsize; that just means the mode has padding bits. */ + memory, any naturally sized, unit aligned field can be done directly. */ byte_offset = (bitnum % BITS_PER_WORD) / BITS_PER_UNIT + (offset * UNITS_PER_WORD); if (bitpos == 0 - && GET_MODE_BITSIZE (fieldmode) != 0 - && bitsize >= GET_MODE_BITSIZE (fieldmode) + && 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)) @@ -1033,12 +1029,9 @@ extract_bit_field (rtx str_rtx, unsigned HOST_WIDE_INT bitsize, if (GET_CODE (op0) == REG && mode == GET_MODE (op0) && bitnum == 0 - && GET_MODE_BITSIZE (GET_MODE (op0)) != 0 - && bitsize >= GET_MODE_BITSIZE (GET_MODE (op0))) + && bitsize == GET_MODE_BITSIZE (GET_MODE (op0))) { - /* We're trying to extract a full register from itself. - (If the requested bitsize is greater than the bitsize of op0, - that just means op0's mode has padding bits.) */ + /* We're trying to extract a full register from itself. */ return op0; } |