Jakub Jelinek fbd28bc3b2 re PR tree-optimization/53265 (Warn when undefined behavior implies smaller iteration count) ... PR tree-optimization/53265 * common.opt (Waggressive-loop-optimizations): New option. * tree-ssa-loop-niter.c: Include tree-pass.h. (do_warn_aggressive_loop_optimizations): New function. (record_estimate): Call it. Don't add !is_exit bounds to loop->bounds if number_of_latch_executions returned constant. (estimate_numbers_of_iterations_loop): Call number_of_latch_executions early. If number_of_latch_executions returned constant, set nb_iterations_upper_bound back to it. * cfgloop.h (struct loop): Add warned_aggressive_loop_optimizations field. * Makefile.in (tree-ssa-loop-niter.o): Depend on $(TREE_PASS_H). * doc/invoke.texi (-Wno-aggressive-loop-optimizations): Document. * gcc.dg/pr53265.c: New test. * gcc.dg/torture/pr49518.c: Add -Wno-aggressive-loop-optimizations to dg-options. * g++.dg/opt/longbranch2.C (EBCOTLut): Double sizes of a2 and a3 arrays. * gcc.dg/tree-ssa/cunroll-10.c (main): Rename to foo. Add argument n, use it as high bound instead of 4. * unwind-dw2.c (execute_cfa_program): Avoid -Waggressive-array-optimizations warnings for DW_CFA_GNU_window_save on targets with DWARF_FRAME_REGISTERS < 32. * testsuite/libmudflap.c/fail37-frag.c: Add optimization barrier. From-SVN: r196650		2013-03-14 10:13:36 +01:00
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config
lib	Update copyright in libmudflap.	2013-02-03 17:48:05 +00:00
libmudflap.c	re PR tree-optimization/53265 (Warn when undefined behavior implies smaller iteration count)	2013-03-14 10:13:36 +01:00
libmudflap.c++	ctors.exp: Explicitely specify -O0.	2012-07-13 13:25:13 +00:00
libmudflap.cth	ctors.exp: Explicitely specify -O0.	2012-07-13 13:25:13 +00:00
Makefile.am
Makefile.in
mfconfig.exp.in