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common.opt (-floop-optimize, [...]): Remove.
gcc/ * common.opt (-floop-optimize, -frerun-loop-opt): Remove. * tree-pass.h (pass_loop_optimize): Remove. * passes.c (pass_loop_optimize): Never run it. * toplev.c (backend_init): Don't call init_loop. * opts.c (flag_loop_optimize_set): Remove. (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt. (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable the old RTL loop optimizer when profiling enabled. * predict.c (tree_estimate_probability): Always strip builtin_expect. * cfgcleanup.c (try_forward_edges): Don't avoid killing loop pre-headers for the sake of the old RTL loop optimizer. * Makefile.in: Remove all references to loop.o. * doc/invoke.texi: Remove all references to -floop-optimize and -frerun-loop-opt. testsuite/ * gcc.dg/20031201-1.c: Don't use -frerun-loop-opt. * g++.old-deja/g++.robertl/eb132.C: Likewise. From-SVN: r111459
This commit is contained in:
Steven Bosscher
Steven Bosscher
parent
74fe790bfd
commit
37818e7cec
@ -1,3 +1,21 @@
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2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
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* common.opt (-floop-optimize, -frerun-loop-opt): Remove.
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* tree-pass.h (pass_loop_optimize): Remove.
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* passes.c (pass_loop_optimize): Never run it.
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* toplev.c (backend_init): Don't call init_loop.
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* opts.c (flag_loop_optimize_set): Remove.
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(decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
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(common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
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the old RTL loop optimizer when profiling enabled.
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* predict.c (tree_estimate_probability): Always strip builtin_expect.
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* cfgcleanup.c (try_forward_edges): Don't avoid killing loop
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pre-headers for the sake of the old RTL loop optimizer.
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* Makefile.in: Remove all references to loop.o.
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* doc/invoke.texi: Remove all references to -floop-optimize
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and -frerun-loop-opt.
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2006-02-26 Zack Weinberg <zackw@panix.com>
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* doc/md.texi (Machine Constraints): Refer to all files with paths
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@ -981,7 +981,7 @@ OBJS-common = \
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haifa-sched.o hooks.o ifcvt.o insn-attrtab.o insn-emit.o insn-modes.o \
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insn-extract.o insn-opinit.o insn-output.o insn-peep.o insn-recog.o \
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integrate.o intl.o jump.o langhooks.o lcm.o lists.o local-alloc.o \
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loop.o mode-switching.o modulo-sched.o optabs.o options.o opts.o \
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mode-switching.o modulo-sched.o optabs.o options.o opts.o \
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params.o postreload.o postreload-gcse.o predict.o \
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insn-preds.o insn-automata.o pointer-set.o \
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print-rtl.o print-tree.o profile.o value-prof.o var-tracking.o \
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@ -2371,11 +2371,6 @@ value-prof.o : value-prof.c $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TM_H) \
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$(RECOG_H) insn-config.h $(OPTABS_H) $(REGS_H) $(GGC_H) $(DIAGNOSTIC_H) \
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$(TREE_H) $(COVERAGE_H) $(RTL_H) $(GCOV_IO_H) $(TREE_FLOW_H) \
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tree-flow-inline.h timevar.h tree-pass.h
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loop.o : loop.c $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TM_H) $(RTL_H) \
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$(FLAGS_H) insn-config.h $(REGS_H) hard-reg-set.h $(RECOG_H) $(EXPR_H) \
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real.h $(PREDICT_H) $(BASIC_BLOCK_H) $(FUNCTION_H) $(CFGLOOP_H) \
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toplev.h except.h cselib.h $(OPTABS_H) $(TM_P_H) $(GGC_H) insn-flags.h \
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timevar.h tree-pass.h
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loop-doloop.o : loop-doloop.c $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TM_H) \
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$(RTL_H) $(FLAGS_H) $(EXPR_H) hard-reg-set.h $(BASIC_BLOCK_H) $(TM_P_H) \
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toplev.h $(CFGLOOP_H) output.h $(PARAMS_H)
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@ -516,39 +516,6 @@ try_forward_edges (int mode, basic_block b)
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if (!new_target)
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break;
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/* Avoid killing of loop pre-headers, as it is the place loop
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optimizer wants to hoist code to.
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For fallthru forwarders, the LOOP_BEG note must appear between
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the header of block and CODE_LABEL of the loop, for non forwarders
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it must appear before the JUMP_INSN. */
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if ((mode & CLEANUP_PRE_LOOP) && optimize && flag_loop_optimize)
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{
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rtx insn = (EDGE_SUCC (target, 0)->flags & EDGE_FALLTHRU
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? BB_HEAD (target) : prev_nonnote_insn (BB_END (target)));
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if (!NOTE_P (insn))
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insn = NEXT_INSN (insn);
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for (; insn && !LABEL_P (insn) && !INSN_P (insn);
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insn = NEXT_INSN (insn))
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if (NOTE_P (insn)
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&& NOTE_LINE_NUMBER (insn) == NOTE_INSN_LOOP_BEG)
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break;
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if (insn && NOTE_P (insn))
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break;
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/* Do not clean up branches to just past the end of a loop
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at this time; it can mess up the loop optimizer's
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recognition of some patterns. */
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insn = PREV_INSN (BB_HEAD (target));
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if (insn && NOTE_P (insn)
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&& NOTE_LINE_NUMBER (insn) == NOTE_INSN_LOOP_END)
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break;
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}
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counter++;
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target = new_target;
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threaded |= new_target_threaded;
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@ -555,10 +555,6 @@ fleading-underscore
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Common Report Var(flag_leading_underscore) Init(-1)
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Give external symbols a leading underscore
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floop-optimize
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Common Report Var(flag_loop_optimize)
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Perform loop optimizations
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fmath-errno
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Common Report Var(flag_errno_math) Init(1)
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Set errno after built-in math functions
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@ -725,10 +721,6 @@ frerun-cse-after-loop
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Common Report Var(flag_rerun_cse_after_loop) Init(2)
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Add a common subexpression elimination pass after loop optimizations
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frerun-loop-opt
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Common Report Var(flag_rerun_loop_opt)
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Run the loop optimizer twice
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frounding-math
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Common Report Var(flag_rounding_math)
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Disable optimizations that assume default FP rounding behavior
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@ -310,7 +310,7 @@ Objective-C and Objective-C++ Dialects}.
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-fexpensive-optimizations -ffast-math -ffloat-store @gol
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-fforce-addr -ffunction-sections @gol
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-fgcse -fgcse-lm -fgcse-sm -fgcse-las -fgcse-after-reload @gol
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-floop-optimize -fcrossjumping -fif-conversion -fif-conversion2 @gol
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-fcrossjumping -fif-conversion -fif-conversion2 @gol
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-finline-functions -finline-functions-called-once @gol
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-finline-limit=@var{n} -fkeep-inline-functions @gol
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-fkeep-static-consts -fmerge-constants -fmerge-all-constants @gol
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@ -4401,7 +4401,6 @@ compilation time.
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-fdelayed-branch @gol
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-fguess-branch-probability @gol
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-fcprop-registers @gol
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-floop-optimize @gol
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-fif-conversion @gol
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-fif-conversion2 @gol
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-ftree-ccp @gol
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@ -4775,12 +4774,6 @@ performed.
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Enabled at levels @option{-O2}, @option{-O3}, @option{-Os}.
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@item -frerun-loop-opt
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@opindex frerun-loop-opt
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Run the loop optimizer twice.
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Enabled at levels @option{-O2}, @option{-O3}, @option{-Os}.
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@item -fgcse
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@opindex fgcse
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Perform a global common subexpression elimination pass.
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@ -4826,13 +4819,6 @@ When @option{-fgcse-after-reload} is enabled, a redundant load elimination
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pass is performed after reload. The purpose of this pass is to cleanup
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redundant spilling.
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@item -floop-optimize
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@opindex floop-optimize
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Perform loop optimizations: move constant expressions out of loops, simplify
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exit test conditions and optionally do strength-reduction as well.
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Enabled at levels @option{-O}, @option{-O2}, @option{-O3}, @option{-Os}.
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@item -funsafe-loop-optimizations
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@opindex funsafe-loop-optimizations
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If given, the loop optimizer will assume that loop indices do not
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@ -5452,8 +5438,7 @@ Enable profile feedback directed optimizations, and optimizations
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generally profitable only with profile feedback available.
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The following options are enabled: @code{-fbranch-probabilities}, @code{-fvpt},
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@code{-funroll-loops}, @code{-fpeel-loops}, @code{-ftracer},
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@code{-fno-loop-optimize}.
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@code{-funroll-loops}, @code{-fpeel-loops}, @code{-ftracer}
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@end table
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@ -5705,7 +5690,7 @@ Enabled with @option{-fprofile-use}.
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@item -fmove-loop-invariants
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@opindex fmove-loop-invariants
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Enables the loop invariant motion pass in the new loop optimizer. Enabled
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Enables the loop invariant motion pass in the RTL loop optimizer. Enabled
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at level @option{-O1}
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@item -funswitch-loops
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10
gcc/opts.c
10
gcc/opts.c
@ -100,7 +100,6 @@ static bool profile_arc_flag_set, flag_profile_values_set;
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static bool flag_unroll_loops_set, flag_tracer_set;
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static bool flag_value_profile_transformations_set;
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static bool flag_peel_loops_set, flag_branch_probabilities_set;
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static bool flag_loop_optimize_set;
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/* Input file names. */
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const char **in_fnames;
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@ -526,7 +525,6 @@ decode_options (unsigned int argc, const char **argv)
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#endif
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flag_guess_branch_prob = 1;
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flag_cprop_registers = 1;
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flag_loop_optimize = 1;
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flag_if_conversion = 1;
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flag_if_conversion2 = 1;
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flag_ipa_pure_const = 1;
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@ -568,7 +566,6 @@ decode_options (unsigned int argc, const char **argv)
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flag_ipa_type_escape = 1;
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flag_strength_reduce = 1;
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flag_rerun_cse_after_loop = 1;
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flag_rerun_loop_opt = 1;
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flag_caller_saves = 1;
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flag_peephole2 = 1;
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#ifdef INSN_SCHEDULING
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@ -859,10 +856,6 @@ common_handle_option (size_t scode, const char *arg, int value,
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flag_branch_probabilities_set = true;
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break;
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case OPT_floop_optimize:
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flag_loop_optimize_set = true;
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break;
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case OPT_fcall_used_:
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fix_register (arg, 0, 1);
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break;
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@ -939,9 +932,6 @@ common_handle_option (size_t scode, const char *arg, int value,
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flag_tracer = value;
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if (!flag_value_profile_transformations_set)
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flag_value_profile_transformations = value;
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/* Old loop optimizer is incompatible with tree profiling. */
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if (!flag_loop_optimize_set)
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flag_loop_optimize = 0;
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break;
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case OPT_fprofile_generate:
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@ -633,7 +633,6 @@ init_optimization_passes (void)
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NEXT_PASS (pass_jump2);
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NEXT_PASS (pass_cse);
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NEXT_PASS (pass_gcse);
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NEXT_PASS (pass_loop_optimize);
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NEXT_PASS (pass_jump_bypass);
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NEXT_PASS (pass_cfg);
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NEXT_PASS (pass_branch_prob);
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@ -1387,8 +1387,7 @@ tree_estimate_probability (void)
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FOR_EACH_BB (bb)
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combine_predictions_for_bb (bb);
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if (!flag_loop_optimize)
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strip_builtin_expect ();
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strip_builtin_expect ();
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estimate_bb_frequencies (&loops_info);
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free_dominance_info (CDI_POST_DOMINATORS);
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remove_fake_exit_edges ();
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@ -1,3 +1,8 @@
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2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
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* gcc.dg/20031201-1.c: Don't use -frerun-loop-opt.
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* g++.old-deja/g++.robertl/eb132.C: Likewise.
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2006-02-26 Roger Sayle <roger@eyesopen.com>
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* gcc.dg/fold-even-1.c: New test case.
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@ -1,10 +1,10 @@
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// { dg-do assemble }
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// { dg-options "-O -Wall -fgcse -frerun-loop-opt" }
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// { dg-options "-O -Wall -fgcse" }
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// From: Klaus-Georg Adams <Klaus-Georg.Adams@chemie.uni-karlsruhe.de>
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// Reported against EGCS snaps 98/06/28.
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//
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// Compilation of this program with the flags g++ -Wall -O -fgcse
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// -frerun-loop-opt or -O2 produces spurious warnings in the standard
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// or -O2 produces spurious warnings in the standard
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// header <std/bastring.h>.
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//
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// They vanish if the declaration of a::b is taken out.
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@ -4,7 +4,7 @@
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the jump bypassing pass. */
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/* { dg-do compile } */
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/* { dg-options "-O2 -fno-expensive-optimizations -fno-rerun-loop-opt" } */
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/* { dg-options "-O2 -fno-expensive-optimizations" } */
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int outbuf[100];
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int outcnt;
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@ -1833,7 +1833,6 @@ backend_init (void)
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init_regs ();
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init_fake_stack_mems ();
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init_alias_once ();
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init_loop ();
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init_reload ();
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init_varasm_once ();
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@ -118,7 +118,6 @@ extern int target_flags_explicit;
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extern bool user_defined_section_attribute;
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/* See toplev.c. */
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extern int flag_loop_optimize;
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extern int flag_crossjumping;
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extern int flag_if_conversion;
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extern int flag_if_conversion2;
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@ -332,7 +332,6 @@ extern struct tree_opt_pass pass_instantiate_virtual_regs;
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extern struct tree_opt_pass pass_jump2;
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extern struct tree_opt_pass pass_cse;
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extern struct tree_opt_pass pass_gcse;
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extern struct tree_opt_pass pass_loop_optimize;
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extern struct tree_opt_pass pass_jump_bypass;
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extern struct tree_opt_pass pass_cfg;
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extern struct tree_opt_pass pass_profiling;
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