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builtins.c (expand_builtin_memcpy): Delete duplicate code and make the first parameter the expression not the arglist. 

* builtins.c (expand_builtin_memcpy): Delete duplicate code
	and make the first parameter the expression not the arglist.

From-SVN: r88466
This commit is contained in:
Kaveh R. Ghazi 2004-10-04 00:04:58 +00:00 committed by Kaveh Ghazi
parent 41775162a7
commit ef7eaebfc6
2 changed files with 12 additions and 18 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
2004-10-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
* builtins.c (expand_builtin_memcpy): Delete duplicate code
and make the first parameter the expression not the arglist.
2004-10-03 Ulrich Weigand <uweigand@de.ibm.com>
* expr.c (expand_expr_addr_expr): Only accept Pmode or ptr_mode

25
gcc/builtins.c
View File

@ -2544,8 +2544,9 @@ builtin_memcpy_read_str (void *data, HOST_WIDE_INT offset,
otherwise try to get the result in TARGET, if convenient (and in
mode MODE if that's convenient). */
static rtx
expand_builtin_memcpy (tree arglist, rtx target, enum machine_mode mode)
expand_builtin_memcpy (tree exp, rtx target, enum machine_mode mode)
{
tree arglist = TREE_OPERAND (exp, 1);
if (!validate_arglist (arglist,
POINTER_TYPE, POINTER_TYPE, INTEGER_TYPE, VOID_TYPE))
return 0;
@ -2559,27 +2560,15 @@ expand_builtin_memcpy (tree arglist, rtx target, enum machine_mode mode)
unsigned int dest_align
= get_pointer_alignment (dest, BIGGEST_ALIGNMENT);
rtx dest_mem, src_mem, dest_addr, len_rtx;
tree result = fold_builtin_memcpy (exp);
if (result)
return expand_expr (result, target, mode, EXPAND_NORMAL);
/* If DEST is not a pointer type, call the normal function. */
if (dest_align == 0)
return 0;
/* If the LEN parameter is zero, return DEST. */
if (integer_zerop (len))
{
/* Evaluate and ignore SRC in case it has side-effects. */
expand_expr (src, const0_rtx, VOIDmode, EXPAND_NORMAL);
return expand_expr (dest, target, mode, EXPAND_NORMAL);
}
/* If SRC and DEST are the same (and not volatile), return DEST. */
if (operand_equal_p (src, dest, 0))
{
/* Evaluate and ignore LEN in case it has side-effects. */
expand_expr (len, const0_rtx, VOIDmode, EXPAND_NORMAL);
return expand_expr (dest, target, mode, EXPAND_NORMAL);
}
/* If either SRC is not a pointer type, don't do this
operation in-line. */
if (src_align == 0)
@ -5490,7 +5479,7 @@ expand_builtin (tree exp, rtx target, rtx subtarget, enum machine_mode mode,
break;
case BUILT_IN_MEMCPY:
target = expand_builtin_memcpy (arglist, target, mode);
target = expand_builtin_memcpy (exp, target, mode);
if (target)
return target;
break;