gcc/gcc ChangeLog.lno tree-vectorizer.c testsu ...

[dorit@gcc.gnu.org]

CVSROOT:	/cvs/gcc
Module name:	gcc
Branch: 	lno-branch
Changes by:	dorit@gcc.gnu.org	2004-03-20 20:37:52

Modified files:
	gcc            : ChangeLog.lno tree-vectorizer.c 
Added files:
	gcc/testsuite/gcc.dg/tree-ssa-vect: tree-ssa-vect-25.c 

Log message:
	* tree-vectorizer.c: (vect_init_vector): New function.
	(vect_get_vec_def_for_operand): Support loop invariant uses.
	(vect_is_simple_use): Likewise.
	(vect_mark_stmts_to_be_vectorized): Likewise.
	(vect_analyze_scalar_cycles): Redundant check removed.
	
	(vect_analyze_operations): Don't fail for vdefs that have uses
	outside the loop.
	
	(vect_stmt_relevant_p): A call to get_stmt_operands removed (already
	performed at new_loop_vec_info).
	(vect_mark_stmts_to_be_vectorized): Likewise.
	
	(need_imm_uses_for): New Function.
	(vectorize_loops): Add call to compute_immediate_uses and free_df.

Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.lno.diff?cvsroot=gcc&only_with_tag=lno-branch&r1=1.1.2.94&r2=1.1.2.95
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/tree-vectorizer.c.diff?cvsroot=gcc&only_with_tag=lno-branch&r1=1.1.2.21&r2=1.1.2.22
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/gcc.dg/tree-ssa-vect/tree-ssa-vect-25.c.diff?cvsroot=gcc&only_with_tag=lno-branch&r1=NONE&r2=1.1.2.1