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expr.c (emit_group_load): extract_bit_field requires a REG or MEM as an argument.

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* expr.c (emit_group_load): extract_bit_field requires a REG or
        MEM as an argument.

From-SVN: r41950
This commit is contained in:
David Edelsohn 2001-05-10 21:59:10 +00:00 • committed by David Edelsohn
parent 3f19b4396a
commit f3ce87a905
2 changed files with 22 additions and 14 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
2001-05-10 David Edelsohn <edelsohn@gnu.org>
* expr.c (emit_group_load): extract_bit_field requires a REG or
MEM as an argument.
Thu May 10 14:45:44 2001 Jeffrey A Law (law@cygnus.com)
* jump.c (jump_optimize_1): Do not wrap the new jump target

31
gcc/expr.c
View file

@ -1959,18 +1959,6 @@ emit_group_load (dst, orig_src, ssize, align)
tmps = (rtx *) alloca (sizeof (rtx) * XVECLEN (dst, 0));
/* If we won't be loading directly from memory, protect the real source
from strange tricks we might play. */
src = orig_src;
if (GET_CODE (src) != MEM && ! CONSTANT_P (src))
{
if (GET_MODE (src) == VOIDmode)
src = gen_reg_rtx (GET_MODE (dst));
else
src = gen_reg_rtx (GET_MODE (orig_src));
emit_move_insn (src, orig_src);
}
/* Process the pieces. */
for (i = start; i < XVECLEN (dst, 0); i++)
{
@ -1988,6 +1976,22 @@ emit_group_load (dst, orig_src, ssize, align)
abort ();
}
/* If we won't be loading directly from memory, protect the real source
from strange tricks we might play; but make sure that the source can
be loaded directly into the destination. */
src = orig_src;
if (GET_CODE (orig_src) != MEM
&& (!CONSTANT_P (orig_src)
|| (GET_MODE (orig_src) != mode
&& GET_MODE (orig_src) != VOIDmode)))
{
if (GET_MODE (orig_src) == VOIDmode)
src = gen_reg_rtx (mode);
else
src = gen_reg_rtx (GET_MODE (orig_src));
emit_move_insn (src, orig_src);
}
/* Optimize the access just a bit. */
if (GET_CODE (src) == MEM
&& align >= GET_MODE_ALIGNMENT (mode)
@ -2011,8 +2015,7 @@ emit_group_load (dst, orig_src, ssize, align)
else
abort ();
}
else if ((CONSTANT_P (src)
&& (GET_MODE (src) == VOIDmode || GET_MODE (src) == mode))
else if (CONSTANT_P (src)
|| (GET_CODE (src) == REG && GET_MODE (src) == mode))
tmps[i] = src;
else