r116656 - in /trunk/gcc: ChangeLog builtins.c

[jakub@gcc.gnu.org]

Author: jakub
Date: Sat Sep  2 06:55:09 2006
New Revision: 116656

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=116656
Log:
	PR middle-end/27567
	* builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
	(fold_builtin_mempcpy): Rename to...
	(fold_builtin_memory_op): ... this.  Optimize one element copy
	into an assignment.
	(fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
	functions.
	(expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
	(expand_builtin_memcpy, expand_builtin_mempcpy,
	expand_builtin_memmove): Likewise.  Use fold_builtin_memory_op.
	(fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
	BUILT_IN_BCOPY.  Use fold_builtin_memory_op for
	BUILT_IN_MEM{CPY,PCPY,MOVE}.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/builtins.c