2011-03-24 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
* reload.c (find_reloads_subreg_address): Add address_reloaded
parameter and return true there if the full address has been
reloaded.
(find_reloads_toplev): Pass address_reloaded flag.
(find_reloads_address_1): Don't use address_reloaded parameter.
From-SVN: r171413
* tree-ssa-live.c (remove_unused_scope_block_p): Remove set but
unused variable "ann".
(remove_unused_locals): Likewise.
* tree-ssa-copy.c (propagate_tree_value_into_stmt): Remove useless
statement.
* cfglayout.c (fixup_reorder_chain): Do not dereference E_FALL
after it is freed.
From-SVN: r171408
2011-03-24 Steve Ellcey <sje@cup.hp.com>
PR target/48209
* gcc.c-torture/execute/pr47917.c: Move this...
* gcc.dg/torture/pr47917.c: to here and add xfails.
From-SVN: r171404
* einfo.ads (Size_Depends_On_Discriminant): Adjust description.
* layout.adb (Compute_Size_Depends_On_Discriminant): New procedure
to compute Set_Size_Depends_On_Discriminant.
(Layout_Type): Call it on array types in back-end layout mode.
* sem_util.adb (Requires_Transient_Scope): Return true for array
types only if the size depends on the value of discriminants.
* gcc-interface/utils2.c (build_binary_op) <MODIFY_EXPR>: Use the RHS
type if the RHS is a call to a function that returns an unconstrained
type with default discriminant.
From-SVN: r171402
2011-03-24 Richard Guenther <rguenther@suse.de>
PR tree-optimization/48271
* tree-ssa-dom.c (tree_ssa_dominator_optimize): Only cleanup
blocks that still exist.
* g++.dg/torture/pr48271.C: New testcase.
From-SVN: r171395
2011-03-24 Richard Guenther <rguenther@suse.de>
PR tree-optimization/48270
* tree-ssa-phiopt.c (cond_if_else_store_replacement): Do
not free datarefs before ddrs.
From-SVN: r171394
PR target/48237
* config/i386/i386.md (*movdf_internal_rex64): Do not split
alternatives that can be handled with movq or movabsq insn.
(*movdf_internal): Disable for !TARGET_64BIT.
(*movdf_internal_nointeger): Ditto.
* config/i386/i386.c (ix86_print_operand): Handle DFmode immediates.
testsuite/ChangeLog:
PR target/48237
* gcc.target/i386/pr48237.c: New test.
From-SVN: r171391
2011-03-24 Richard Guenther <rguenther@suse.de>
PR middle-end/48269
* tree-object-size.c (addr_object_size): Do not double-account
for MEM_REF offsets.
* gcc.dg/builtin-object-size-10.c: New testcase.
From-SVN: r171388
* lto-opts.c (input_data_block): Move to lto-streamer-in.c.
* lto-streamer-in.c (input_string_internal): Add clarifying
comments.
(lto_input_data_block): Move from lto-opts.c. Make extern.
Update all users.
(lto_input_string): Rename from input_string. Make extern.
Update all users.
* lto-streamer-out.c (lto_output_string_with_length): Rename from
output_string_with_length.
Output 0 to indicate a non-NULL string. Update all callers to
not emit 0.
(lto_output_string): Rename from output_string. Make extern.
Update all users.
(lto_output_decl_state_streams): Make extern.
(lto_output_decl_state_refs): Make extern.
* lto-streamer.h (lto_input_string): Declare.
(lto_input_data_block): Declare.
(lto_output_string): Declare.
(lto_output_string_with_length): Declare.
(lto_output_decl_state_streams): Declare.
(lto_output_decl_state_refs): Declare.
From-SVN: r171387
2011-03-24 Richard Guenther <rguenther@suse.de>
PR tree-optimization/46562
* tree.c (build_invariant_address): New function.
* tree.h (build_invariant_address): Declare.
* tree-dfa.c (get_addr_base_and_unit_offset): Wrap around
a renamed function moved ...
* tree-flow-inline.h (get_addr_base_and_unit_offset_1): ... here.
Take valueization callback parameter.
* tree-flow.h (gimple_fold_stmt_to_constant): Declare.
* gimple-fold.h: New file.
* tree-ssa-ccp.c (ccp_fold): Use gimple_fold_stmt_to_constant_1.
(ccp_fold, fold_const_aggregate_ref,
fold_ctor_reference, fold_nonarray_ctor_reference,
fold_array_ctor_reference, fold_string_cst_ctor_reference,
get_base_constructor): Move ...
* gimple-fold.c: ... here.
(gimple_fold_stmt_to_constant_1): New function
split out from ccp_fold. Take a valueization callback parameter.
Valueize all operands.
(gimple_fold_stmt_to_constant): New wrapper function.
(fold_const_aggregate_ref_1): New function split out from
fold_const_aggregate_ref. Take a valueization callback parameter.
(fold_const_aggregate_ref): Wrap fold_const_aggregate_ref_1.
* tree-ssa-sccvn.c (simplify_binary_expression): Simplify
invariant POINTER_PLUS_EXPRs to invariant form.
(vn_valueize): New function.
(try_to_simplify): Simplify by using gimple_fold_stmt_to_constant.
* tree-vrp.c (vrp_valueize): New function.
(vrp_visit_assignment_or_call): Use gimple_fold_stmt_to_constant
to fold statements to constants.
* tree-ssa-pre.c (eliminate): Properly guard propagation of
function declarations.
* Makefile.in (tree-ssa-sccvn.o, tree-vrp.o, gimple-fold.o,
tree-ssa-ccp.o): Add gimple-fold.h dependencies.
* c-c++-common/pr46562-2.c: New testcase.
* c-c++-common/pr46562.c: Likewise.
From-SVN: r171386
2011-03-23 Jonathan Wakely <jwakely.gcc@gmail.com>
PR other/48179
PR other/48221
PR other/48234
* doc/extend.texi (Alignment): Move section to match order in TOC.
* doc/invoke.texi (i386 and x86-64 Windows Options): Likewise.
(Warning Options): Adjust -Wno-cpp summary and remove stray backslash.
From-SVN: r171359
* cfg.c (redirect_edge_succ_nodup): Duplicate the varm map
before removing the edge.
* cfgrtl.c (cfg_layout_redirect_edge_and_branch): Do not use E after
it may have been freed by redirect_branch_edge or
redirect_edge_succ_nodup.
From-SVN: r171356
2011-03-23 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
* config/s390/2084.md: Enable all insn reservations also for z9_ec
cpu attribute value.
* config/s390/s390-opts.h (enum s390_arch_option): Remove.
(enum processor_type): Add PROCESSOR_2094_Z9_EC.
* config/s390/s390.c (processor_flags_table): New constant array.
(s390_handle_arch_option): Remove.
(s390_handle_option): Remove s390_handle_arch_option invocations
and OPT_mwarn_framesize_ handling.
(s390_option_override): Remove s390_handle_arch_option invocation.
(s390_emit_prologue): Remove use of HOST_WIDE_INT_PRINT_DEC in
warnings.
* config/s390/s390.md (cpu attribute): Add z9_ec value.
* config/s390/s390.opt (s390_tune, s390_arch)
(march=): Replace s390_arch_option enum and values with
processor_type. Set variable name to s390_arch. Set
initialization value.
(mtune=): Replace s390_arch_option with processor_type. Set
variable name to s390_tune. Set initialization value.
From-SVN: r171350
* gcc-interface/trans.c (create_temporary): New function taken from...
(create_init_temporary): ...here. Call it.
(call_to_gnu): Create the temporary for the return value early, if any.
Create it for a function with copy-in/copy-out parameters if there is
no target; in other cases of copy-in/copy-out, use another temporary.
Push the new binding level lazily. Add and rename local variables.
From-SVN: r171345
Paolo Bonzini
Andreas Krebbel
Joseph Myers
Paolo Carlini
Jeff Law
Steve Ellcey
Eric Botcazou
Paolo Carlini
Nathan Froyd
Richard Sandiford
Richard Guenther
Uros Bizjak
Diego Novillo
Rainer Orth
Ira Rosen
Ian Lance Taylor
Chung-Lin Tang
Jerry DeLisle
GCC Administrator
Ian Lance Taylor
Jonathan Wakely
Rafael Ávila de Espíndola
Jakub Jelinek
Julian Brown