gcc/gcc ChangeLog tree-cfg.c tree-eh.c tree-fl ...

[rth@gcc.gnu.org]

CVSROOT:	/cvs/gcc
Module name:	gcc
Changes by:	rth@gcc.gnu.org	2004-06-29 06:59:38

Modified files:
	gcc            : ChangeLog tree-cfg.c tree-eh.c tree-flow.h 
	                 tree-ssa-ccp.c tree-ssa-dce.c tree-ssa-dom.c 

Log message:
	* tree-cfg.c (verify_stmt): Add last_in_block parameter.  Verify
	that eh stmts can throw.
	(verify_stmts): Update verify_stmt call.
	(tree_purge_dead_eh_edges, tree_purge_all_dead_eh_edges): New.
	* tree-eh.c (remove_stmt_from_eh_region): New.
	(lower_eh_constructs): Fix throw_stmt_table delete routine.
	(tree_could_trap_p): Match may_trap_p.
	(maybe_clean_eh_stmt): New.
	* tree-flow.h: Update decls.
	* tree-ssa-ccp.c (pass_ccp): Add TODO_verify_stmts.
	(substitute_and_fold): Clean eh edges.
	* tree-ssa-dce.c (mark_control_dependent_edges_necessary): Handle
	empty basic blocks.
	* tree-ssa-dom.c (need_eh_cleanup): New.
	(tree_ssa_dominator_optimize): Allocate it.  Cleanup eh edges.
	(optimize_stmt): Cleanup eh stmts; set need_eh_cleanup.

Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.diff?cvsroot=gcc&r1=2.4188&r2=2.4189
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/tree-cfg.c.diff?cvsroot=gcc&r1=2.21&r2=2.22
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/tree-eh.c.diff?cvsroot=gcc&r1=2.7&r2=2.8
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/tree-flow.h.diff?cvsroot=gcc&r1=2.14&r2=2.15
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/tree-ssa-ccp.c.diff?cvsroot=gcc&r1=2.13&r2=2.14
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/tree-ssa-dce.c.diff?cvsroot=gcc&r1=2.7&r2=2.8
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/tree-ssa-dom.c.diff?cvsroot=gcc&r1=2.17&r2=2.18