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expmed.c (store_bit_field): Don't search for an integer mode unless we need the result.

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* expmed.c (store_bit_field): Don't search for an integer mode
	unless we need the result.

From-SVN: r71819
This commit is contained in:
Richard Sandiford 2003-09-26 13:28:45 +00:00 committed by Richard Sandiford
parent 5581fc9110
commit 9f5e2e1108
2 changed files with 9 additions and 5 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
2003-09-26 Richard Sandiford <rsandifo@redhat.com>
* expmed.c (store_bit_field): Don't search for an integer mode
unless we need the result.
2003-09-26 Richard Sandiford <rsandifo@redhat.com>
* expr.c (emit_move_insn_1): If there is no move pattern for the

9
gcc/expmed.c
View File

@ -461,7 +461,9 @@ store_bit_field (rtx str_rtx, unsigned HOST_WIDE_INT bitsize,
VOIDmode, because that is what store_field uses to indicate that this
is a bit field, but passing VOIDmode to operand_subword_force will
result in an abort. */
fieldmode = smallest_mode_for_size (nwords * BITS_PER_WORD, MODE_INT);
fieldmode = GET_MODE (value);
if (fieldmode == VOIDmode)
fieldmode = smallest_mode_for_size (nwords * BITS_PER_WORD, MODE_INT);
for (i = 0; i < nwords; i++)
{
@ -477,10 +479,7 @@ store_bit_field (rtx str_rtx, unsigned HOST_WIDE_INT bitsize,
store_bit_field (op0, MIN (BITS_PER_WORD,
bitsize - i * BITS_PER_WORD),
bitnum + bit_offset, word_mode,
operand_subword_force (value, wordnum,
(GET_MODE (value) == VOIDmode
? fieldmode
: GET_MODE (value))),
operand_subword_force (value, wordnum, fieldmode),
total_size);
}
return value;