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Undo accidental GET_MODE_BITSIZE damage.

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(store_bit_field, extract_bit_field): Revert last two
changes.

From-SVN: r73463
This commit is contained in:
James E Wilson 2003-11-11 20:54:38 +00:00 committed by Jim Wilson
parent 5b84be7383
commit 0b69c29f22
2 changed files with 9 additions and 11 deletions
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5
gcc/ChangeLog
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@ -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

15
gcc/expmed.c
View File

@ -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;
}