PR tree-optimization/53226
* tree-ssa-forwprop.c (ssa_forward_propagate_and_combine): Remove
prev and prev_initialized vars, gimple_set_plf (stmt, GF_PLF_1, false)
before processing it and gimple_set_plf (stmt, GF_PLF_1, true) if it
doesn't need to be revisited, look for earliest stmt with
!gimple_plf (stmt, GF_PLF_1) if something changed.
* gcc.c-torture/compile/pr53226.c: New test.
From-SVN: r187328
2012-05-09 Richard Guenther <rguenther@suse.de>
* tree-vectorizer.h (vect_loop_versioning): Adjust prototype.
(vect_do_peeling_for_loop_bound): Likewise.
(vect_do_peeling_for_alignment): Likewise.
* tree-vect-loop-manip.c (conservative_cost_threshold): Remove.
(vect_do_peeling_for_loop_bound): Get check_profitability and
threshold as parameters.
(vect_do_peeling_for_alignment): Likewise.
(vect_loop_versioning): Likewise.
* tree-vect-loop.c (vect_transform_loop): Compute check_profitability
and threshold here. Control where to put the check here.
From-SVN: r187323
PR target/53271
* config/rs6000/rs6000.c (gen_frame_set): New function.
(gen_frame_load, gen_frame_store): New functions.
(rs6000_savres_rtx): Use the above.
(rs6000_emit_epilogue, rs6000_emit_prologue): Here too.
Correct mode used for CR2 in save/restore_world patterns.
Don't emit instructions for eh_return frame unwind reg info.
From-SVN: r187316
* cgraphbuild.c (build_cgraph_edges): Do not finalize vars
with VALUE_EXPR.
* cgraph.h (varpool_can_remove_if_no_refs): Vars with VALUE_EXPR
are removable.
* toplev.c (wrapup_global_declaration_2): Vars with VALUE_EXPR
need to wrapup.
(compile_file): Do not output variables.
* cgraphbuild.c (varpool_finalize_decl): When var is finalized late,
output it.
* langhooks.c: Include timevar.h
(write_global_declarations): Finalize compilation unit after wrapup;
set timevars correctly.
* passes.c (rest_of_decl_compilation): Decls with VALUE_EXPR needs
not to be added to varpool.
* varpool.c (varpool_assemble_decl): Sanity check that we are called
only on cases where it makes sense; skip constant pool and value expr
vars.
* lto.c (do_whole_program_analysis): Set timevars correctly.
(lto_main): Likewise.
* trans-common.c (create_common): Do not fake TREE_ASM_WRITTEN.
* trans-decl.c (gfc_finish_cray_pointee): Likewise.
From-SVN: r187314
2012-05-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
PR c++/53261
c-family/
* c-common.c (warn_logical_operator): Check that argument of
integer_zerop is not NULL.
From-SVN: r187300
This patch adds functionality to libgcov to enable user applications to
collect profile data only in regions of interest. This is useful, for
example, to collect profile data from a long-running server only
during the time when it is serving requests.
Specifically, the new routines __gcov_reset will clear all profile counters
to zero and __gcov_dump will write out the profile information collected so
far. A global variable is used to prevent writing out the profile a
second time during exit.
2012-05-08 Teresa Johnson <tejohnson@google.com>
* libgcc/libgcov.c (gcov_clear, __gcov_reset): New functions.
(__gcov_dump): Ditto.
(gcov_dump_complete): New global variable.
(gcov_exit): Export hidden to enable use in L_gcov_dump.
(__gcov_flush): Outline functionality now in gcov_clear.
* libgcc/Makefile.in (L_gcov_reset, L_gcov_dump): Define.
* gcc/gcov-io.h (__gcov_reset, __gcov_dump): Declare.
* gcc/doc/gcov.texi: Add note on using __gcov_reset and __gcov_dump.
From-SVN: r187297
PR target/53272
* config/cris/cris.c (cris_normal_notice_update_cc): For TARGET_V32,
when a constant source operand matches an "I" constraint, the "no
CC0 change" applies to a register-destination only, not a
strict_low_part-destination.
From-SVN: r187283
2012-05-08 Richard Guenther <rguenther@suse.de>
* fold-const.c (fold_binary_loc): Fold (X * CST1) & CST2
to zero or to (X * CST1) & CST2' when CST1 has trailing zeros.
* gcc.dg/fold-bitand-4.c: New testcase.
From-SVN: r187280
* Makefile.in (TEXI_GCC_FILES): Add avr-mmcu.texi.
* doc/avr-mmcu.texi: New auto-generated file.
* doc/invoke.texi (AVR Options): Include avr-mmcu.texi in order
to document all valid -mmcu= arguments.
* config/avr/avr.h (arch_info_s): New struct definition.
* config/avr/avr-devices.c (avr_texinfo): New variable.
* config/avr/gen-avr-mmcu-texi.c: New file.
* config/avr/t-avr: New rules and dependencies to build avr-mmcu.texi.
From-SVN: r187279
2012-05-08 Dehao Chen <dehao@google.com>
gcc/
* predict.c (find_qualified_ssa_name): New
(find_ssa_name_in_expr): New
(find_ssa_name_in_assign_stmt): New
(is_comparison_with_loop_invariant_p): New
(is_bound_expr_similar): New
(predict_iv_comparison): New
(predict_loops): Add heuristic for loop-nested branches that compare an
induction variable to a loop bound variable.
* predict.def (PRED_LOOP_IV_COMPARE): New macro
testsuite/
* gcc.dg/predict-1.c: Check if LOOP_IV_COMPARE static predict
heuristic is working properly.
* gcc.dg/predict-2.c: Likewise.
* gcc/dg/predict-3.c: Likewise.
* gcc/dg/predict-4.c: Likewise.
* gcc/dg/predict-5.c: Likewise.
* gcc/dg/predict-6.c: Likewise.
From-SVN: r187277
* tree-dfa.c (get_ref_base_and_extent) <ARRAY_REF>: Do the offset
computation using the precision of the index type.
* gimple-fold.c (fold_const_aggregate_ref_1) <ARRAY_REF>: Likewise.
(fold_array_ctor_reference): Do index computations in the index type.
From-SVN: r187268
PR middle-end/53245
* gimplify.c (preprocess_case_label_vec_for_gimple): If low or high
is folded to a type boundary value, verify that the resulting case
label is still a care range.
From-SVN: r187248
PR tree-optimization/53239
* tree-vrp.c (get_value_range): Set VR of
SSA_NAME_IS_DEFAULT_DEF of DECL_BY_REFERENCE RESULT_DECL
to nonnull.
* g++.dg/opt/vrp3.C: New test.
* g++.dg/opt/vrp3-aux.cc: New file.
* g++.dg/opt/vrp3.h: New file.
From-SVN: r187240
2012-05-07 Richard Guenther <rguenther@suse.de>
PR tree-optimization/53195
* tree-inline.c (setup_one_parameter): Properly add referenced
vars from the parameters new known value.
From-SVN: r187235
* config/m68k/m68k.c (m68k_sched_branch_type): Remove.
(sched_branch_type): Remove.
(m68k_sched_md_init_global): Don't allocate it.
(m68k_sched_md_finish_global): Don't free it.
* config/m68k/m68k.h (m68k_sched_branch_type): Remove prototype.
* config/m68k/m68k.md: Set the type of insns using m68k_sched_branch_type
to bcc directly.
From-SVN: r187234
