* tree-vect-patterns.c (vect_handle_widen_mult_by_const): For lhs
don't set SSA_NAME_DEF_STMT that has been already set by
gimple_build_assign_with_ops.
(vect_recog_pow_pattern, vect_recog_widen_sum_pattern,
vect_operation_fits_smaller_type, vect_recog_over_widening_pattern):
Likewise.
From-SVN: r179615
* tree.h (avoid_folding_inline_builtin): New prototype.
* builtins.c (avoid_folding_inline_builtin): No longer static.
* gimple-fold.c (gimple_fold_builtin): Give up if
avoid_folding_inline_builtin returns true.
From-SVN: r179614
gcc/
PR target/50305
* config/arm/arm.c (arm_legitimize_reload_address): Recognize
output of a previous pass through legitimize_reload_address.
Do not attempt to optimize addresses if the base register is
equivalent to a constant.
gcc/testsuite/
PR target/50305
* gcc.target/arm/pr50305.c: New test.
From-SVN: r179603
2011-10-06 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
* function.c (thread_prologue_and_epilogue_insns): Mark
last_bb_active as possibly unused. It is unused for targets which
do neither have "return" nor "simple_return" expanders.
From-SVN: r179601
* tree-vect-patterns.c (vect_pattern_recog_1): Add stmts_to_replace
argument, truncate it at the beginning instead of allocating there
and freeing at the end.
(vect_pattern_recog): Allocate stmts_to_replace here and free at end,
pass its address to vect_pattern_recog_1.
From-SVN: r179592
2011-10-05 Paolo Carlini <paolo.carlini@oracle.com>
* include/ext/pod_char_traits.h: Avoid warnings in C++0x mode
when int_type is unsigned.
From-SVN: r179587
PR tree-optimization/50613
* tree-ssa-strlen.c (find_equal_ptrs): If CASE_CONVERT
operand is ADDR_EXPR, fallthru into ADDR_EXPR handling,
and if it is neither that not SSA_NAME, give up.
* gcc.dg/pr50613.c: New test.
From-SVN: r179567
1: Handle TARGET_XOP.
2: Reduce code duplication.
3: Use ASHIFT instead of MULT for scaling.
4: Fix errors in building convert-to-v16qi indicies.
5: Handle v2di without sse4.1.
From-SVN: r179564
PR bootstrap/50621
* config/i386/i386.c (ix86_add_cfa_restore_note): Omit notes only
if the function was not shrink-wrapped.
(ix86_expand_epilogue): Ensure queued cfa_adjust notes are attached
to an insn.
* function.c (thread_prologue_and_epilogue_insns): Make sure the
shrink_wrapped flag is set even if there is no dump file.
From-SVN: r179560
* config/rx/rx.opt (mpid): Define.
* config/rx/t-rx (MULTILIB_OPTIONS): Add -mpid
(MULTILIB_DIRNAMES): Add pid.
* config/rx/rx.c (rx_gp_base_regnum_val, rx_pid_base_regnum_val)
(rx_num_interrupt_regs): New variable.
(rx_gp_base_regnum): New function. Returns the number of the
small data area register.
(rx_pid_base_regnum): New function. Returns the number of the pid
base register.
(rx_decl_for_addr): New function. Returns the symbolic part of a
MEM.
(rx_pid_data_operand): New function. Returns whether an object is
in the position independent data area.
(rx_legitimize_address): New function. Puts undecided PID
objects in the PID data area.
(rx_is_legitimate_address): Add support for PID operands.
(rx_print_operand_address): Likewise.
(rx_print_operand): Likewise.
(rx_maybe_pidify_operand): New function. Determine if an operand
is suitable for PID addressing.
(rx_gen_move_template): Add PID support.
(rx_conditional_register_usage): Likewise.
(rx_option_override): Initialise rx_num_interrupt_regs.
(rx_is_legitimate_constant): Add support for PID constants.
(TARGET_LEGITIMIZE_ADDRESS): Define.
* config/rx/constraints.md (Rpid): Define.
(Rpda): Define.
* config/rx/rx.md (UNSPEC_PID_ADDR): Define.
(tablejump): Add PID support.
(mov<>): Likewise.
(mov<>_internal): Likewise.
(addsi3): Convert to an expander. Add PID support.
(pid_addr): New pattern.
* config/rx/rx.h (CPP_SPEC): Define.
(ASM_SPEC): Pass -mpid and -mint-register on to assembler.
(CASE_VECTOR_PC_RELATIVE): Define.
(JUMP_TABLES_IN_TEXT_SECTION): Enable for PID mode.
* config/rx/rx-protos.h (rx_maybe_pidify_operand): Prototype.
* doc/invoke.texi (RX Options): Document -mpid command line
option.
Co-Authored-By: Nick Clifton <nickc@redhat.com>
From-SVN: r179558
* doc/invoke.texi (-fshrink-wrap): Document.
* opts.c (default_options_table): Add it.
* common.opt (fshrink-wrap): Add.
* function.c (emit_return_into_block): Remove useless declaration.
(record_hard_reg_uses_1, record_hard_reg_uses, frame_required_for_rtx,
requires_stack_frame_p, gen_return_pattern): New static functions.
(emit_return_into_block): New arg simple_p. All callers changed.
Use gen_return_pattern.
(thread_prologue_and_epilogue_insns): Implement shrink-wrapping.
* config/i386/i386.md (return): Expand into a simple_return.
(simple_return): New expander):
(simple_return_internal, simple_return_internal_long,
simple_return_pop_internal_long, simple_return_indirect_internal):
Renamed from return_internal, return_internal_long,
return_pop_internal_long and return_indirect_internal; changed to use
simple_return.
* config/i386/i386.c (ix86_expand_epilogue): Adjust to expand
simple returns.
(ix86_pad_returns): Likewise.
* function.h (struct rtl_data): Add member shrink_wrapped.
* cfgcleanup.c (outgoing_edges_match): If shrink-wrapped, edges that
are not jumps or sibcalls can't be compared.
* gcc.target/i386/sw-1.c: New test.
From-SVN: r179553
2011-10-05 Richard Guenther <rguenther@suse.de>
* gimple-fold.c (gimple_fold_stmt_to_constant_1): For
ternary ops with an embedded expression valueize and fold
that as well.
* tree-ssa-sccvn.c (try_to_simplify): Also allow SSA name
results from gimple_fold_stmt_to_constant_1.
From-SVN: r179543
2011-10-05 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
* expmed.c (expand_mult_highpart_optab): Replace optab_handler
with the new widening_optab_handler.
From-SVN: r179541
* config/i386/i386.c (ix86_emit_binop): New static function.
(ix86_split_lea_for_addr): Use ix86_emit_binop to emit add and shl
instructions.
(x86_output_mi_thunk): Use ix86_emit_binop to emit add instructions.
From-SVN: r179537
