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expmed.c (store_bit_field): Use simplify_gen_subreg instead of gen_rtx_SUBREG directly.

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* expmed.c (store_bit_field): Use simplify_gen_subreg instead
        of gen_rtx_SUBREG directly.

From-SVN: r91569
This commit is contained in:
Richard Henderson 2004-12-01 09:49:20 -08:00 committed by Richard Henderson
parent e56d740960
commit d7cf6dd66a
2 changed files with 9 additions and 14 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
2004-12-01 Richard Henderson <rth@redhat.com>
* expmed.c (store_bit_field): Use simplify_gen_subreg instead
of gen_rtx_SUBREG directly.
2004-12-01 David Edelsohn <edelsohn@gnu.org>
Nathan Sidwell <nathan@codesourcery.com>

18
gcc/expmed.c
View File

@ -431,21 +431,11 @@ store_bit_field (rtx str_rtx, unsigned HOST_WIDE_INT bitsize,
{
if (GET_MODE (op0) != fieldmode)
{
if (GET_CODE (op0) == SUBREG)
{
/* Else we've got some float mode source being extracted
into a different float mode destination -- this
combination of subregs results in Severe Tire
Damage. */
gcc_assert (GET_MODE (SUBREG_REG (op0)) == fieldmode
|| GET_MODE_CLASS (fieldmode) == MODE_INT
|| GET_MODE_CLASS (fieldmode) == MODE_PARTIAL_INT);
op0 = SUBREG_REG (op0);
}
if (REG_P (op0))
op0 = gen_rtx_SUBREG (fieldmode, op0, byte_offset);
else
if (MEM_P (op0))
op0 = adjust_address (op0, fieldmode, offset);
else
op0 = simplify_gen_subreg (fieldmode, op0, GET_MODE (op0),
byte_offset);
}
emit_move_insn (op0, value);
return value;