r122706 - in /trunk/gcc: ChangeLog Makefile.in ...

[ian at gcc dot gnu dot org]

Author: ian
Date: Thu Mar  8 17:36:05 2007
New Revision: 122706

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=122706
Log:
./:
	* tree-vrp.c: Include "intl.h".
	(usable_range_p): New static function.
	(compare_values_warnv): Don't test TYPE_OVERFLOW_UNDEFINED for
	overflowed values, juts set *strict_overflow_p.
	(compare_values): Only return -2 if one of the operands is not a
	constant.
	(compare_ranges): Call usable_range_p.
	(compare_range_with_value): Likewise.
	(vrp_evaluate_conditional_warnv): Rename from
	vrp_evaluate_conditional.  Make static.  Change all callers.
	(vrp_evaluate_conditional): New function.
	(simplify_div_or_mod_using_ranges): Issue warning about reliance
	on signed overflow.
	(simplify_abs_using_ranges): Likewise.
	(simplify_stmt_for_jump_threading): Add within_stmt parameter.
	* tree-ssa-dom.c (simplify_stmt_for_jump_threading): Add
	within_stmt parameter.
	* tree-ssa-propagate.c (fold_predicate_in): Update call to
	vrp_evaluate_conditional.
	* tree-ssa-threadedge.c
	(record_temporary_equivalences_from_stmts_at_dest): Change
	simplify parameter to take a second tree parameter.
	(simplify_control_stmt_condition): Likewise.
	(thread_across_edge): Likewise.
	* tree-flow.h (vrp_evaluate_conditional): Update declaration.
	(thread_across_edge): Likewise.
	* gcc/Makefile.in (tree-vrp.o): Depend upon intl.h.
testsuite/:
	* gcc.dg/no-strict-overflow-5.c: New test.
	* gcc.dg/no-strict-overflow-6.c: New test.
	* gcc.dg/Wstrict-overflow-11.c: New test.
	* gcc.dg/Wstrict-overflow-12.c: New test.
	* gcc.dg/Wstrict-overflow-13.c: New test.
	* gcc.dg/Wstrict-overflow-14.c: New test.
	* gcc.dg/Wstrict-overflow-15.c: New test.

Added:
    trunk/gcc/testsuite/gcc.dg/Wstrict-overflow-11.c
    trunk/gcc/testsuite/gcc.dg/Wstrict-overflow-12.c
    trunk/gcc/testsuite/gcc.dg/Wstrict-overflow-13.c
    trunk/gcc/testsuite/gcc.dg/Wstrict-overflow-14.c
    trunk/gcc/testsuite/gcc.dg/Wstrict-overflow-15.c
    trunk/gcc/testsuite/gcc.dg/no-strict-overflow-5.c
    trunk/gcc/testsuite/gcc.dg/no-strict-overflow-6.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/Makefile.in
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-flow.h
    trunk/gcc/tree-ssa-dom.c
    trunk/gcc/tree-ssa-propagate.c
    trunk/gcc/tree-ssa-threadedge.c
    trunk/gcc/tree-vrp.c