egcs/gcc gcse.c ChangeLog

[robertl@gcc.gnu.org]

CVSROOT:	/cvs/gcc
Module name:	egcs
Changes by:	robertl@sourceware.cygnus.com	99/10/26 22:16:13

Modified files:
	gcc            : gcse.c ChangeLog 

Log message:
	* gcse.c (expr_reaches_here_p): Use xcalloc and explit free instead
	of alloca.
	(pre_gcse): Likewise.
	(hoist_expr_reaches_here_p): Likewise.
	(hoist_code): Likewise.
	(pre_expr_reaches_here_p): Replace alloca with xcalloc.   Move core
	code to ...
	(pre_expr_reaches_here_p_work): ... here.
	(expr_reaches_here_p): Replace alloca with xcalloc.   Move core
	code to ...
	(expr_reaches_here_p_work): ... here.