PR rtl-optimization/34035
* cse.c (cse_cfg_altered): New global variable.
(cse_jumps_altered): Make boolean.
(recorded_label_ref): Likewise.
(cse_insn): Adjust for above changes.
(cse_extended_basic_block): Likewise. Set cse_cfg_altered
if dead edges have been purged.
(cse_main): Change return value specification and adjust code.
(rest_of_handle_cse): Adjust for above change.
(rest_of_handle_cse2): Likewise.
* gcse.c (rest_of_handle_gcse): Likewise.
From-SVN: r130122
2007-11-12 Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
Michael Meissner <michael.meissner@amd.com>
* config/i386/i386.md (sse5_setcc<mode>): Use <ssemodefsuffix>
to get the appropriate suffix for the coms* instruction.
(sse5_pcmov_<mode>): Restrict operands of pcmov
for scalar case to be only xmm registers and not memory.
* config/i386/sse.md (sse5_pcmov_<mode>): Correct the operand
constraints to follow the mnemonics for the pcmov instruction
Co-Authored-By: Michael Meissner <michael.meissner@amd.com>
From-SVN: r130120
gcc/
PR target/34042
* config/mips/mips.c (mips_return_fpr_single): New function.
(mips_function_value): Use it when returning single-field
aggregates in FPRs.
(mips_expand_call): Handle the PARALLELs created by
mips_return_fpr_single.
From-SVN: r130119
2007-11-12 Richard Guenther <rguenther@suse.de>
PR middle-end/34070
* fold-const.c (fold_binary): If testing for non-negative
operands with tree_expr_nonnegative_warnv_p make sure to
use op0 which has all (sign) conversions retained.
* gcc.c-torture/execute/pr34070-1.c: New testcase.
* gcc.c-torture/execute/pr34070-2.c: Likewise.
From-SVN: r130098
2007-11-12 Richard Guenther <rguenther@suse.de>
PR middle-end/34027
* fold-const.c (fold_binary): Fold n - (n / m) * m to n % m.
(fold_binary): Fold unsinged FLOOR_DIV_EXPR to TRUNC_DIV_EXPR.
* gcc.dg/pr34027-1.c: New testcase.
* gcc.dg/pr34027-2.c: Likewise.
From-SVN: r130097
PR tree-optimization/33953
* tree-vect-transform.c (vectorizable_operation): In case of SLP,
allocate vec_oprnds1 according to the number of created vector
statements. In case of shift with scalar argument, store scalar operand
for every vector statement to be created for the SLP node. Fix a
comment.
From-SVN: r130096
2007-11-12 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
PR c++/8570
cp/
* pt.c (redeclare_class_template): Update error message. Use a
note to show the previous declaration.
(tsubst_friend_class): Use the location of the friend template as
the input location before calling redeclare_class_template.
testsuite/
* g++.old-deja/g++.ns/template13.C: Update expected output.
* g++.old-deja/g++.pt/friend23.C: Likewise.
* g++.dg/warn/pr8570.C: New.
From-SVN: r130092
gcc/ada/
* a-tasatt.adb: Revert previous change for this file as it will
generate an error when this package is instantiated from a
local context.
From-SVN: r130076
PR middle-end/34018
* tree-inline.h (copy_body_data): Add regimplify field.
* tree-inline.c (copy_body_r): Set id->regimplify to true
if an TREE_INVARIANT ADDR_EXPR is no longer invariant after
substitutions.
(copy_bb): Clear id->regimplify before walk_tree, if it is
set afterwards, regimplify the whole statement.
* g++.dg/opt/inline14.C: New test.
From-SVN: r130068
2007-11-09 Douglas Gregor <doug.gregor@gmail.com>
PR c++/33510
* decl.c (cp_complete_array_type): If any of the initializer
elements are pack expansions, don't compute the array size yet.
2007-11-09 Douglas Gregor <doug.gregor@gmail.com>
PR c++/33510
* g++.dg/cpp0x/variadic-init.C: New.
From-SVN: r130065
* gcc/sched-deps.c (sched_analyze_insn): Use MOVE_BARRIER
instead of TRUE_BARRIER for jumps. Add register dependencies
even when reg_pending_barrier is set.
Co-Authored-By: Maxim Kuvyrkov <maxim@codesourcery.com>
From-SVN: r130052
2007-11-09 Richard Guenther <rguenther@suse.de>
* bitmap.h (bitmap_single_bit_set_p): Declare.
* bitmap.c (bitmap_single_bit_set_p): New function.
* tree-ssa-alias.c (add_may_alias_for_new_tag): Use it.
(maybe_create_global_var): Use bitmap_empty_p.
From-SVN: r130045
PR rtl-optimization/34012
* fwprop.c (try_fwprop_subst): Do not replace if the new
SET_SRC has a higher cost than the old one.
* gcc.target/i386/pr34012.c: New test.
Co-Authored-By: Jakub Jelinek <jakub@redhat.com>
From-SVN: r130043
PR rtl-optimization/33732
* reload.c (push_reload): Check that the REG_DEAD note was referring
to a hardreg or to a pseudo that has been assigned exactly one hardreg
before considering it in order to select the reload register.
(combine_reloads): Likewise.
(find_dummy_reload): Likewise.
From-SVN: r130042
2007-11-09 Richard Guenther <rguenther@suse.de>
* tree-flow.h (struct ptr_info_def): Make escape_mask a
ENUM_BITFIELD.
(struct ptr_info_def): Likewise.
(enum escape_type): Also use bit zero.
From-SVN: r130041
2007-11-09 Richard Guenther <rguenther@suse.de>
PR tree-optimization/33604
* tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
Disregard changes in CV qualifiers of pointed to types for
forward propagating ADDR_EXPRs.
* tree-ssa-ccp.c (fold_stmt_r): Preserve volatileness of the original
expression.
* g++.dg/tree-ssa/pr33604.C: New testcase.
* gcc.dg/pr32721.c: Adjust pattern.
From-SVN: r130040
gcc/
* dse.c (find_shift_sequence): Always choose an integer mode for
new_mode.
(replace_read): Require both the read and store mode to be
integer ones. Remove a then-redundant FLOAT_P check.
gcc/testsuite/
* gcc.target/mips/dse-1.c: Disable.
From-SVN: r130039
2007-11-08 Richard Guenther <rguenther@suse.de>
* tree-dfa.c (remove_referenced_var): If removing a
variable which has subvars, also remove those from
the referenced vars. Do not create a variable annotation.
From-SVN: r130030
* config/xtensa/xtensa.c (xtensa_expand_prologue): Remove first
argument for gen_entry calls.
* config/xtensa/xtensa.md: Add new "entry" value to "type" attribute.
(entry): Use the new attribute value. Remove unused first operand.
From-SVN: r130029
