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gcc/gcc ChangeLog.lno tree-chrec.c tree-chrec. ...


CVSROOT:	/cvs/gcc
Module name:	gcc
Branch: 	lno-branch
Changes by:	spop@gcc.gnu.org	2004-04-21 17:18:55

Modified files:
	gcc            : ChangeLog.lno tree-chrec.c tree-chrec.h 
	                 tree-scalar-evolution.c 

Log message:
	* tree-chrec.c (chrec_apply): Fail on chrec_top when the chrec
	contains symbols defined in the inner loop.  Otherwise perform
	the computation with symbols.
	(no_evolution_in_loop_p): Same.  Moved from here...
	* tree-chrec.h (no_evolution_in_loop_p): ...there.  Define it inline.
	(chrec_contains_symbols_defined_in_loop): Declare.
	* tree-scalar-evolution.c (nb_set_scev, nb_get_scev): New counters.
	(set_scalar_evolution, get_scalar_evolution): Count the number of calls.
	(chrec_contains_symbols_defined_in_loop): Defined.
	(compute_scalar_evolution_after_loop, first_iteration_non_satisfying_1,
	analyze_scalar_evolution_in_loop): Initialize boolean values.
	(dump_chrecs_stats): Dump the get/set counters.

Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.lno.diff?cvsroot=gcc&only_with_tag=lno-branch&r1=1.1.2.140&r2=1.1.2.141
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/tree-chrec.c.diff?cvsroot=gcc&only_with_tag=lno-branch&r1=1.1.2.17&r2=1.1.2.18
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/tree-chrec.h.diff?cvsroot=gcc&only_with_tag=lno-branch&r1=1.1.2.13&r2=1.1.2.14
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/tree-scalar-evolution.c.diff?cvsroot=gcc&only_with_tag=lno-branch&r1=1.1.2.37&r2=1.1.2.38


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