2012-06-18 Richard Guenther <rguenther@suse.de>
PR tree-optimization/53693
* tree-vect-patterns.c (vect_operation_fits_smaller_type):
Reject operands with more than one use.
* g++.dg/torture/pr53693.C: New testcase.
From-SVN: r188733
2012-06-18 Richard Guenther <rguenther@suse.de>
* tree-vrp.c (extract_range_from_assert): Split out range
intersecting code.
(intersect_ranges): New function.
(vrp_intersect_ranges): Likewise.
From-SVN: r188728
* output.h (split_double): Move prototype to rtl.h.
(constructor_static_from_elts_p): Move prototype to tree.c.
* rtl.h (split_double): Moved here from output.h.
* tree.h (constructor_static_from_elts_p): Moved here from output.h.
* final.c (split_double): Move from here ...
* rtlanal.c (split_double): ... to here.
* expr.c: Do not include output.h.
From-SVN: r188714
* cfgloop.h: Do not include rtl.h.
(enum iv_extend_code): New.
(struct rtx_iv): Use iv_extend_code instead of rtx_code.
* Makefile.in (CFGLOOP_H): Do not depend on RTL_H.
* loop-iv.c (iv_extend_to_rtx_code): New function to translate
an IV_EXTEND_CODE to an RTX_CODE.
(dump_iv_info): Update for rtx_iv field type change.
(iv_constant): Likewise.
(iv_subreg): Likewise.
(iv_extend): Likewise.
(iv_neg): Likewise.
(iv_add): Likewise.
(iv_mult): Likewise.
(iv_shift): Likewise.
(get_biv_step_1): Likewise.
(get_biv_step): Likewise.
(iv_analyze_biv): Likewise.
(get_iv_value): Likewise.
(shorten_into_mode): Likewise.
(canonicalize_iv_subregs): Likewise.
* sese.c (sese_build_liveouts): Use MAY_HAVE_DEBUG_STMTS instead
of MAY_HAVE_DEBUG_INSNS.
* tree-ssa-loop-ivopts.c: Include recog.h after expr.h.
* tree-ssa-loop-prefetch.c: Likewise.
From-SVN: r188711
* expmed.c (ceil_log2): Move from here...
* hwint.c: ... to here for older GCCs...
* hwint.h: ... and here for newer GCCs.
* rtl.h (ceil_log2): Remove prototype.
* tree-phinodes.c: Do not include rtl.h.
* Makefile.in (tree-phinodes.o): Do not depend on RTL_H.
From-SVN: r188710
* config/i386/sfp-machine.h (FP_HANDLE_EXCEPTIONS): Use
__builtin_expect when checking for exceptions.
* config/ia64/sfp-machine.h (FP_HANDLE_EXCEPTIONS): Ditto.
From-SVN: r188705
* lib/gcov.exp (verify-lines, verify-branches, verify-calls): Use
testname that includes flags, passed in as new argument, in
pass/fail messages.
(run_gcov): Get testname from dg-test, use it in pass/fail messages
and pass it to verify-* procedures.
From-SVN: r188681
2012-06-15 Easwaran Raman <eraman@google.com>
* passes.c (init_optimization_passes): Remove pass_call_cdce
from its current position and insert after pass_dce.
From-SVN: r188675
PR middle-end/38474
* cfgexpand.c (add_alias_set_conflicts): Remove.
(expand_used_vars): Don't call it.
(aggregate_contains_union_type): Remove.
* function.c (n_temp_slots_in_use): New static data.
(make_slot_available, assign_stack_temp_for_type): Update it.
(init_temp_slots): Zero it.
(remove_unused_temp_slot_addresses): Use it for quicker removal.
(remove_unused_temp_slot_addresses_1): Use htab_clear_slot.
From-SVN: r188667
* gimplify.c (gimplify_compound_literal_expr): Take gimple_test_f
argument, don't emit assign statement if value is directly usable.
(gimplify_expr): Adjust.
testsuite/
* gcc.dg/tree-ssa/vector-4.c: New test.
From-SVN: r188665
2012-06-15 Richard Guenther <rguenther@suse.de>
* tree-vrp.c (set_and_canonicalize_value_range): Use canonical
predicates to set VR_UNDEFINED and VR_VARYING. Drop a case
we assert for in set_value_range to VR_VARYING.
From-SVN: r188663
PR tree-optimization/51581
* expr.h (choose_multiplier): New prototype.
* expmed.c (choose_multiplier): No longer static.
Change multiplier_ptr from rtx * to UHWI *.
(expand_divmod): Adjust callers.
* tree-vect-patterns.c (vect_recog_sdivmod_pow2_pattern):
Renamed to...
(vect_recog_divmod_pattern): ... this. Pass bb_vinfo as last
argument to new_stmt_vec_info. Attempt to optimize also divisions
by non-pow2 constants if integer vector division isn't supported.
* tree-vect-stmts.c (vect_analyze_stmt): If node != NULL,
don't look at pattern stmts and sequences.
* gcc.c-torture/execute/pr51581-1.c: New test.
* gcc.c-torture/execute/pr51581-2.c: New test.
* gcc.dg/vect/pr51581-1.c: New test.
* gcc.dg/vect/pr51581-2.c: New test.
* gcc.dg/vect/pr51581-3.c: New test.
* gcc.target/i386/avx-pr51581-1.c: New test.
* gcc.target/i386/avx-pr51581-2.c: New test.
* gcc.target/i386/avx2-pr51581-1.c: New test.
* gcc.target/i386/avx2-pr51581-2.c: New test.
* gcc.dg/vect/slp-26.c (main1): Divide by 0x8031 instead of 3.
From-SVN: r188656
PR ada/53592
* gcc-interface/gigi.h (maybe_vector_array): Make static inline.
* gcc-interface/utils.c (maybe_vector_array): Delete.
* gcc-interface/trans.c (gnat_to_gnu) <N_Indexed_Component>: Mark the
array object as addressable if it has vector type and is on the LHS.
From-SVN: r188653
PR middle-end/53590
* common.opt (-fdelete-dead-exceptions): New switch.
* doc/invoke.texi (Code Gen Options): Document it.
* cse.c (count_reg_usage) <CALL_INSN>: Use !insn_nothrow_p in lieu of
insn_could_throw_p predicate. Do not skip an insn that could throw
if dead exceptions can be deleted.
(insn_live_p): Likewise, do not return true in that case.
* dce.c (can_alter_cfg): New flag.
(deletable_insn_p): Do not return false for an insn that can throw if
the CFG can be altered and dead exceptions can be deleted.
(init_dce): Set can_alter_cfg to false for fast DCE, true otherwise.
* dse.c (scan_insn): Use !insn_nothrow_p in lieu of insn_could_throw_
predicate. Do not preserve an insn that could throw if dead exceptions
can be deleted.
* function.h (struct function): Add can_delete_dead_exceptions flag.
* function.c (allocate_struct_function): Set it.
* lto-streamer-in.c (input_struct_function_base): Stream it.
* lto-streamer-out.c (input_struct_function_base): Likewise.
* tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Do not mark a
statement that could throw as necessary if dead exceptions can be
deleted.
ada/
* gcc-interface/misc.c (gnat_init_options_struct): Set
opts->x_flag_delete_dead_exceptions to 1.
From-SVN: r188651
Richard Guenther
Bill Schmidt
Steven Bosscher
Andreas Krebbel
Tejas Belagod
Richard Sandiford
GCC Administrator
Uros Bizjak
Uros Bizjak
Tobias Burnus
Eric Botcazou
Janis Johnson
Easwaran Raman
Walter Lee
Richard Earnshaw
Ramana Radhakrishnan
Georg-Johann Lay
Michael Matz
Michael Matz
Ulrich Weigand
Ramana Radhakrishnan
Jakub Jelinek
Andreas Schwab
Jonathan Wakely