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* Makefile.in (rtl-profile.o, value-prof.o): Add GCC_H dependency.
* common.opt (fspeculative-prefetching): New.
* flags.h (flag_speculative_prefetching_set): Declare.
* gcov-io.c (gcov_write_counter, gcov_read_counter): Allow negative
values.
* opts.c (flag_sepculative_prefetching_set): New variable.
(common_handle_option): Handle -fspeculative-prefetching.
* passes.c (rest_of_compilation): Ditto.
* profile.c (instrument_values, compute_value_histograms, branch_prob):
Use vectors instead of arrays.
* toplev.c (process_options): Handle -fspeculative-prefetching.
* rtl-profile.c: Include ggc.h.
(rtl_gen_interval_profiler, rtl_gen_pow2_profiler,
rtl_gen_one_value_profiler_no_edge_manipulation,
rtl_gen_one_value_profiler, rtl_gen_const_delta_profiler): Type of
argument changed.
* tree-profile.c (tree_gen_interval_profiler, tree_gen_pow2_profiler,
tree_gen_one_value_profiler, tree_gen_const_delta_profiler): Type of
argument changed.
* value-prof.c: Include ggc.h.
(NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX): New
macros.
(insn_prefetch_values_to_profile, find_mem_reference_1,
find_mem_reference_2, find_mem_reference, gen_speculative_prefetch,
speculative_prefetching_transform): New.
(value_profile_transformations): Call speculative_prefetching_transform.
(insn_values_to_profile): Call insn_prefetch_values_to_profile.
(insn_divmod_values_to_profile, rtl_find_values_to_profile,
tree_find_values_to_profile, find_values to profile): Use vectors
instead of arrays.
(free_profiled_values): Removed.
* value-prof.h (struct histogram_value): Renamed to
struct histogram_value_t.
(histogram_value, histogram_values): New types.
(find_values_to_profile): Declaration changed.
(free_profiled_values): Removed.
(struct profile_hooks): Type of argument of the hooks changed to
histogram_value.
* doc/invoke.texi (-fspeculative-prefetching): Document.
From-SVN: r86930
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