Richard Guenther [Mon, 18 Apr 2011 15:25:17 +0000 (15:25 +0000)]
backport: [multiple changes]
2011-04-18 Richard Guenther <rguenther@suse.de>
Backported from 4.6 branch
2011-01-19 Jakub Jelinek <jakub@redhat.com>
PR tree-optimization/47290
* tree-eh.c (infinite_empty_loop_p): New function.
(cleanup_empty_eh): Use it.
* g++.dg/torture/pr47290.C: New test.
2010-05-29 Jan Hubicka <jh@suse.cz>
PR tree-optimization/46364
* cgraphunit.c (cgraph_materialize_clone): Only remove calles, refs
and body;
not the whole node for masters of materialized clones.
Richard Biener [Mon, 18 Apr 2011 14:37:08 +0000 (14:37 +0000)]
backport: [multiple changes]
2011-04-18 Richard Guenther <rguenther@suse.de>
Backported from 4.6 branch
2011-03-11 Jakub Jelinek <jakub@redhat.com>
PR c++/48035
* init.c (build_zero_init_1): Extracted from build_zero_init.
Add FIELD_SIZE argument, if non-NULL and field bit_position
as not smaller than that, don't add that field's initializer.
Pass DECL_SIZE as last argument to build_zero_init_1
for DECL_FIELD_IS_BASE fields.
(build_zero_init): Use build_zero_init_1.
* g++.dg/inherit/virtual8.C: New test.
2011-03-05 Zdenek Dvorak <ook@ucw.cz>
PR rtl-optimization/47899
* cfgloopmanip.c (fix_bb_placements): Fix first argument
to flow_loop_nested_p when moving the loop upward.
* gcc.dg/pr47899.c: New test.
2011-03-15 Richard Guenther <rguenther@suse.de>
PR middle-end/48031
* fold-const.c (fold_indirect_ref_1): Do not create new variable-sized
or variable-indexed array accesses when in gimple form.
Richard Guenther [Mon, 18 Apr 2011 14:02:22 +0000 (14:02 +0000)]
backport: [multiple changes]
2011-04-18 Richard Guenther <rguenther@suse.de>
Backported from 4.6 branch
2011-03-11 Jakub Jelinek <jakub@redhat.com>
PR c++/48035
* init.c (build_zero_init_1): Extracted from build_zero_init.
Add FIELD_SIZE argument, if non-NULL and field bit_position
as not smaller than that, don't add that field's initializer.
Pass DECL_SIZE as last argument to build_zero_init_1
for DECL_FIELD_IS_BASE fields.
(build_zero_init): Use build_zero_init_1.
* g++.dg/inherit/virtual8.C: New test.
2011-03-05 Zdenek Dvorak <ook@ucw.cz>
PR rtl-optimization/47899
* cfgloopmanip.c (fix_bb_placements): Fix first argument
to flow_loop_nested_p when moving the loop upward.
* gcc.dg/pr47899.c: New test.
2011-03-15 Richard Guenther <rguenther@suse.de>
PR middle-end/48031
* fold-const.c (fold_indirect_ref_1): Do not create new variable-sized
or variable-indexed array accesses when in gimple form.
Jakub Jelinek [Sat, 16 Apr 2011 07:53:39 +0000 (09:53 +0200)]
backport: re PR target/48605 (gcc.target/i386/sse4_1-insertps-2.c FAILs with -mtune=geode - instruction insertps with memory operands behaves differently)
Backported from 4.6 branch
2011-04-15 Jakub Jelinek <jakub@redhat.com>
PR target/48605
* config/i386/sse.md (avx_insertps, sse4_1_insertps): If operands[2]
is a MEM, offset it as needed based on top 2 bits in operands[3],
change MEM mode to SFmode and mask those 2 bits away from operands[3].
* gcc.target/i386/sse4_1-insertps-3.c: New test.
* gcc.target/i386/sse4_1-insertps-4.c: New test.
* gcc.target/i386/avx-insertps-3.c: New test.
* gcc.target/i386/avx-insertps-4.c: New test.
* config/i386/sse.md (avx_cmps<ssemodesuffixf2c><mode>3): Add
missing output register constraint.
(*vec_concatv2sf_avx): Fix wrong register constraint in
alternative 3 of operand 1.
(*vec_set<mode>_0_avx): Avoid combining registers from different
units in a single alternative.
(*vec_set<mode>_0_sse4_1): Ditto.
(*vec_set<mode>_0_sse2): Ditto.
(vec_set<mode>_0): Ditto.
(sse2_storehpd): Ditto.
(sse2_loadhpd): Ditto.
(sse4_1_insertps): Use nonimmediate_operand for operand 2.
* config/i386/predicates.md (sse_comparison_operator): Do not
define as special predicate.
Jakub Jelinek [Thu, 7 Apr 2011 18:30:36 +0000 (20:30 +0200)]
backport: re PR debug/48466 (Wrong variable locations at -O0 on i686)
Backported from mainline
2011-04-06 Jakub Jelinek <jakub@redhat.com>
PR debug/48466
* dwarf2out.c (based_loc_descr): If drap_reg is INVALID_REGNUM, use
as base_reg whatever register reg has been eliminated to, instead
of hardcoding STACK_POINTER_REGNUM.
* gcc.dg/guality/pr36977.c: New test.
* gcc.dg/guality/pr48466.c: New test.
Jakub Jelinek [Thu, 7 Apr 2011 18:28:29 +0000 (20:28 +0200)]
backport: re PR rtl-optimization/48141 (DSE compile time hog)
Backported from mainline
2011-03-17 Jakub Jelinek <jakub@redhat.com>
PR rtl-optimization/48141
* dse.c (record_store): If no positions are needed in an insn
that cannot be deleted, at least unchain it from active_local_stores.
Jakub Jelinek [Thu, 7 Apr 2011 18:27:20 +0000 (20:27 +0200)]
backport: re PR c/47963 (ICE: tree check: expected tree that contains 'decl common' structure, have 'integer_cst' in is_global_var, at tree-flow-inline.h:599 on invalid code with -fopenmp)
Backported from mainline
2011-03-03 Jakub Jelinek <jakub@redhat.com>
PR c/47963
* gimplify.c (omp_add_variable): Only call omp_notice_variable
on TYPE_SIZE_UNIT if it is a DECL.
* gcc.dg/gomp/pr47963.c: New test.
* g++.dg/gomp/pr47963.C: New test.
backport: re PR rtl-optimization/48144 (ICE: in code_motion_path_driver, at sel-sched.c:6575 with -fselective-scheduling2 and custom flags)
Backport from mainline
2011-03-26 Andrey Belevantsev <abel@ispras.ru>
PR rtl-optimization/48144
* sel-sched-ir.c (merge_history_vect): Factor out from ...
(merge_expr_data): ... here.
(av_set_intersect): Rename to av_set_code_motion_filter.
Update all callers. Call merge_history_vect when an expression
is found in both sets.
* sel-sched-ir.h (av_set_code_motion_filter): Add prototype.
backport: re PR rtl-optimization/45352 (ICE: in reset_sched_cycles_in_current_ebb, at sel-sched.c:7058)
Backport from mainline
2011-01-13 Andrey Belevantsev <abel@ispras.ru>
PR rtl-optimization/45352
* sel-sched.c: Update copyright years.
(reset_sched_cycles_in_current_ebb): Also recheck the DFA state
in the advancing loop when we have issued issue_rate insns.
Backport from mainline
2010-12-22 Andrey Belevantsev <abel@ispras.ru>
PR rtl-optimization/45352
PR rtl-optimization/46521
PR rtl-optimization/46522
* sel-sched.c (reset_sched_cycles_in_current_ebb): Recheck the DFA state
on the last iteration of the advancing loop.
(sel_sched_region_1): Propagate the rescheduling bit to the next block
also for empty blocks.
Backport from mainline
2010-11-08 Andrey Belevantsev <abel@ispras.ru>
PR rtl-optimization/45352
* sel-sched.c (find_best_expr): Do not set pneed_stall when
the variable_issue hook is not implemented.
(fill_insns): Remove dead variable stall_iterations.
(init_seqno_1): Force EBB start for resetting sched cycles on any
successor blocks of the rescheduled region.
(sel_sched_region_1): Use bitmap_bit_p instead of bitmap_clear_bit.
(reset_sched_cycles_in_current_ebb): Add debug printing.
New variable issued_insns. Advance state when we have issued
issue_rate insns.
backport: re PR target/43603 (gcc-4.4.3 ICE on ia64 with -O3)
Backport from mainline
2010-12-07 Andrey Belevantsev <abel@ispras.ru>
PR target/43603
* haifa-sched.c (sched_create_recovery_edges): Update
dominator info.
* sel-sched-ir.c (maybe_tidy_empty_bb): Update dominator info
after deleting an empty block.
(tidy_control_flow): Also verify dominators.
(sel_remove_bb): Update dominator info after removing a block.
(sel_redirect_edge_and_branch_force): Assert that no unreachable
blocks will be created. Update dominator info.
(sel_redirect_edge_and_branch): Update dominator info when
basic blocks do not become unreachable.
(sel_remove_loop_preheader): Update dominator info.
2010-10-14 Andrey Belevantsev <abel@ispras.ru>
* sel-sched-ir.c (maybe_tidy_empty_bb): Simplify comment.
(tidy_control_flow): Tidy vertical space.
(sel_remove_bb): New variable idx. Use it to remember the basic
block index before deleting the block.
(sel_remove_empty_bb): Remove dead code, simplify and insert to ...
(sel_merge_blocks): ... here.
* sel-sched-ir.h (sel_remove_empty_bb): Remove prototype.
backport: re PR rtl-optimization/46585 (ICE: SIGSEGV in vinsn_create (sel-sched-ir.c:1189) with -fno-dce -fschedule-insns -fselective-scheduling)
Backport from mainline
2010-11-25 Alexander Monakov <amonakov@ispras.ru>
PR rtl-optimization/46585
* sel-sched-ir.c (return_regset_to_pool): Verify that RS is not NULL.
(vinsn_init): Skip computation of dependencies for local NOPs.
(vinsn_delete): Don't try to free regsets for local NOPs.
(setup_nop_and_exit_insns): Change definition of nop_pattern.
backport: re PR rtl-optimization/45652 (gcc.dg/compat/scalar-by-value-3 FAILs with -O2 -fselective-scheduling2)
Backport from mainline
2010-11-22 Alexander Monakov <amonakov@ispras.ru>
PR rtl-optimization/45652
* alias.c (get_reg_base_value): New.
* rtl.h (get_reg_base_value): Add prototype.
* sel-sched.c (init_regs_for_mode): Use it. Don't use registers with
non-null REG_BASE_VALUE for renaming.
backport: re PR middle-end/46518 (internal compiler error: in vinsn_detach, at sel-sched-ir.c:1271)
Backport from mainline
2010-11-18 Alexander Monakov <amonakov@ispras.ru>
PR middle-end/46518
* sel-sched-ir.c (init_expr): Use the correct type for
target_available.
* sel-sched.c (fill_vec_av_set): Use explicitly signed char type.
backport: re PR rtl-optimization/46204 (g++.dg/torture/stackalign/throw-1.C fails to compile on IA64)
Backport from mainline
2010-11-12 Alexander Monakov <amonakov@ispras.ru>
PR rtl-optimization/46204
sel-sched-ir.c (maybe_tidy_empty_bb): Remove second argument.
pdate all callers. Do not recompute topological order. Adjust
allthrough edges following a degenerate conditional jump.
backport: re PR rtl-optimization/45570 (ICE: in cfg_preds_1, at sel-sched-ir.c:4584)
Backport from mainline
2010-10-14 Andrey Belevantsev <abel@ispras.ru>
PR rtl-optimization/45570
* sel-sched-ir.c (cfg_preds_1): When walking out of the region,
assert that we are pipelining outer loops. Allow returning
zero predecessors.
Jonathan Wakely [Wed, 23 Mar 2011 21:12:51 +0000 (21:12 +0000)]
re PR other/48179 (Reference mismatch in documentation chapter 6)
2011-03-23 Jonathan Wakely <jwakely.gcc@gmail.com>
PR other/48179
PR other/48234
* doc/extend.texi (Alignment): Move section to match order in TOC.
* doc/invoke.texi (i386 and x86-64 Windows Options): Likewise.
Paul Thomas [Sun, 13 Mar 2011 17:37:43 +0000 (17:37 +0000)]
re PR fortran/47348 (wrong string length with array constructor)
2011-03-13 Paul Thomas <pault@gcc.gnu.org>
PR fortran/47348
* trans-array.c (get_array_ctor_all_strlen): Move up in file.
(get_array_ctor_var_strlen): Add block dummy and add call to
get_array_ctor_all_strlen instead of giving up on substrings.
Call gcc_unreachable for default case.
(get_array_ctor_strlen): Add extra argument to in call to
get_array_ctor_var_strlen.
2011-03-13 Paul Thomas <pault@gcc.gnu.org>
PR fortran/47348
* gfortran.dg/array_constructor_36.f90 : New test.
* gfortran.dg/bounds_check_10.f90 : Change dg-output message to
allow for comparison between different elements of the array
constructor at different levels of optimization.
Jason Merrill [Fri, 11 Mar 2011 17:20:27 +0000 (12:20 -0500)]
re PR c++/48029 (ICE in finish_member_declaration() with --param ggc-min-expand=0 --param ggc-min-heapsize=0)
PR c++/48029
* stor-layout.c (layout_type): Don't set structural equality
on arrays of incomplete type.
* tree.c (type_hash_eq): Handle comparing them properly.
* cp/pt.c (iterative_hash_template_arg): Remove special case for
ARRAY_TYPE.
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