* configure: Regenerate.
* configure.ac (--enable-as-accelerator-for)
(--enable-offload-targets): New configure options.
gcc/
* Makefile.in (real_target_noncanonical, accel_dir_suffix)
(enable_as_accelerator): New variables substituted by configure.
(libsubdir, libexecsubdir, unlibsubdir): Tweak for the possibility of
being configured as an offload compiler.
(DRIVER_DEFINES): Pass new defines DEFAULT_REAL_TARGET_MACHINE and
ACCEL_DIR_SUFFIX.
(install-cpp, install-common, install_driver, install-gcc-ar): Do not
install for the offload compiler.
* config.in: Regenerate.
* configure: Regenerate.
* configure.ac (real_target_noncanonical, accel_dir_suffix)
(enable_as_accelerator): Compute new variables.
(ACCEL_COMPILER): Define if the compiler is built as the accel compiler.
(OFFLOAD_TARGETS): List of target names suitable for offloading.
(ENABLE_OFFLOADING): Define if list of offload targets is not empty.
gcc/cp/
* Make-lang.in (c++.install-common): Do not install for the offload
compiler.
gcc/doc/
* install.texi (Options specification): Document
--enable-as-accelerator-for and --enable-offload-targets.
gcc/fortran/
* Make-lang.in (fortran.install-common): Do not install for the offload
compiler.
libgcc/
* Makefile.in (crtoffloadbegin$(objext)): New rule.
(crtoffloadend$(objext)): Likewise.
* configure: Regenerate.
* configure.ac (accel_dir_suffix): Compute new variable.
(extra_parts): Add crtoffloadbegin.o and crtoffloadend.o
if enable_offload_targets is not empty.
* offloadstuff.c: New file.
libgomp/
* config.h.in: Regenerate.
* configure: Regenerate.
* configure.ac: Check for libdl, required for plugin support.
(PLUGIN_SUPPORT): Define if plugins are supported.
(enable_offload_targets): Support Intel MIC targets.
(OFFLOAD_TARGETS): List of target names suitable for offloading.
lto-plugin/
* Makefile.am (libexecsubdir): Tweak for the possibility of being
configured for offload compiler.
(accel_dir_suffix, real_target_noncanonical): New variables substituted
by configure.
* Makefile.in: Regenerate.
* configure: Regenerate.
* configure.ac (accel_dir_suffix, real_target_noncanonical): Compute new
variables.
Co-Authored-By: Andrey Turetskiy <andrey.turetskiy@intel.com>
Co-Authored-By: Ilya Verbin <ilya.verbin@intel.com>
Co-Authored-By: Thomas Schwinge <thomas@codesourcery.com>
From-SVN: r217485
2014-11-13 Janne Blomqvist <jb@gcc.gnu.org>
PR libfortran/60324
* configure: Regenerated.
* configure.ac (AM_CFLAGS): Add Werror=vla.
* libgfortran.h (gfc_alloca): Remove macro.
(fc_strdup_notrim): New prototype.
* intrinsics/access.c (access_func): Use fc_strdup rather than
stack allocation.
* intrinsics/chdir.c (chdir_i4_sub): Likewise.
(chdir_i8_sub): Likewise.
* intrinsics/chmod.c (chmod_internal): New function, move logic
here.
(chmod_func): Call chmod_internal.
* intrinsics/env.c (getenv): Use fc_strdup rather than stack
allocation.
(get_environment_variable_i4): Likewise.
* intrinsics/execute_command_line.c (execute_command_line):
Likewise.
* intrinsics/hostnm.c (hostnm_0): New function, use static buffer
rather than VLA.
(hostnm_i4_sub): Call hostnm_0.
(hostnm_i8_sub): Likewise.
(hostnm): Likewise.
* intrinsics/link.c (link_internal): New function, use fc_strdup
rather than stack allocation.
(link_i4_sub): Call link_internal.
(link_i8_sub): Likewise.
(link_i4): Likewise.
(link_i8): Likewise.
* intrinsics/perror.c (perror_sub): Use fc_strdup rather than
stack allocation.
* intrinsics/random.c (random_seed_i4): Use static buffer rather
than VLA, use _Static_assert to make sure it's big enough.
* intrinsics/rename.c (rename_internal): New function, use
fc_strdup rather than stack allocation.
(rename_i4_sub): Call rename_internal.
(rename_i8_sub): Likewise.
(rename_i4): Likewise.
(rename_i8): Likewise.
* intrinsics/stat.c (stat_i4_sub_0): Use fc_strdup rather than
stack allocation.
(stat_i8_sub_0): Likewise.
* intrinsics/symlink.c (symlnk_internal): New function, use
fc_strdup rather than stack allocation.
(symlnk_i4_sub): Call symlnk_internal.
(symlnk_i8_sub): Likewise.
(symlnk_i4): Likewise.
(symlnk_i8): Likewise.
* intrinsics/system.c (system_sub): Use fc_strdup rather than
stack allocation.
* intrinsics/unlink.c (unlink_i4_sub): Likewise.
* io/file_pos.c (READ_CHUNK): Make it a macro rather than variable.
* io/list_read.c (nml_get_obj_data): Use fixed stack buffer, fall
back to xmalloc/free for large sizes.
* io/read.c (read_f): Likewise.
* io/transfer.c (MAX_READ): Make it a macro rather than variable.
(WRITE_CHUNK): Likewise.
* io/write_float.def (write_float): Use fixed stack buffer, fall
back to xmalloc/free for large sizes.
* runtime/string.c (fc_strdup_notrim): New function.
From-SVN: r217480
2014-11-13 Tom de Vries <tom@codesourcery.com>
* omp-low.c (pass_data_expand_omp): Set properties_provided to
PROP_gimple_eomp.
(pass_expand_omp::gate): Remove function. Move gate expression to ...
(pass_expand_omp::execute): ... here, as new variable gate. Add early
exit if gate is false.
(pass_data pass_data_expand_omp_ssa): New pass_data.
(class pass_expand_omp_ssa): New pass.
(make_pass_expand_omp_ssa): New function.
* passes.def (pass_parallelize_loops): Use PUSH_INSERT_PASSES_WITHIN
instead of NEXT_PASS.
(pass_expand_omp_ssa): Add after pass_parallelize_loops.
* tree-parloops.c (gen_parallel_loop): Remove call to omp_expand_local.
(pass_parallelize_loops::execute): Don't do cleanups TODO_cleanup_cfg
and TODO_rebuild_alias yet. Add TODO_update_ssa. Set
cfun->omp_expand_needed.
* tree-pass.h: Add define PROP_gimple_eomp.
(make_pass_expand_omp_ssa): Declare.
From-SVN: r217474
2014-11-12 Vladimir Makarov <vmakarov@redhat.com>
* common.opt (flra-remat): New.
* opts.c (default_options_table): Add entry for flra_remat.
* timevar_def (TV_LRA_REMAT): New.
* doc/invoke.texi (-flra-remat): Add description of the new
option.
* doc/passes.texi (-flra-remat): Remove lra-equivs.c and
lra-saves.c. Add lra-remat.c.
* Makefile.in (OBJS): Add lra-remat.o.
* lra-remat.c: New file.
* lra.c: Add info about the rematerialization pass in the top
comment.
(collect_non_operand_hard_regs, add_regs_to_insn_regno_info):
Process unallocatable regs too.
(lra_constraint_new_insn_uid_start): Remove.
(lra): Add code for calling rematerialization sub-pass.
* lra-int.h (lra_constraint_new_insn_uid_start): Remove.
(lra_constrain_insn, lra_remat): New prototypes.
(lra_eliminate_regs_1): Add parameter.
* lra-lives.c (make_hard_regno_born, make_hard_regno_dead):
Process unallocatable hard regs too.
(process_bb_lives): Ditto.
* lra-spills.c (remove_pseudos): Add argument to
lra_eliminate_regs_1 call.
* lra-eliminations.c (lra_eliminate_regs_1): Add parameter. Use it
for sp offset calculation.
(lra_eliminate_regs): Add argument for lra_eliminate_regs_1 call.
(eliminate_regs_in_insn): Add parameter. Use it for sp offset
calculation.
(process_insn_for_elimination): Add argument for
eliminate_regs_in_insn call.
* lra-constraints.c (get_equiv_with_elimination): Add argument
for lra_eliminate_regs_1 call.
(process_addr_reg): Add parameter. Use it.
(process_address_1): Ditto. Add argument for process_addr_reg
call.
(process_address): Ditto.
(curr_insn_transform): Add parameter. Use it. Add argument for
process_address calls.
(lra_constrain_insn): New function.
(lra_constraints): Add argument for curr_insn_transform call.
From-SVN: r217458
When using dot imports, it is possible to
have an imported symbol name that matches
the name of a struct field in a composite
literal. Do not consider the imported
package to be used in this situation.
Fixes issue 6427.
From-SVN: r217453
PR ipa/63838
* ipa-pure-const.c (propagate_nothrow): Walk w->indirect_calls
chain instead of node->indirect_calls. Put !can_throw into
conditions of all the loops.
* g++.dg/ipa/pr63838.C: New test.
From-SVN: r217449
gcc/
* config/aarch64/aarch64.h (CALL_USED_REGISTERS): Mark LR as caller-save.
(EPILOGUE_USES): Guard the check by epilogue_completed.
* config/aarch64/aarch64.c (aarch64_layout_frame): Explictly check for LR.
(aarch64_can_eliminate): Check LR_REGNUM liveness.
gcc/testsuite/
* gcc.target/aarch64/lr_free_1.c: New testcase for -fomit-frame-pointer.
* gcc.target/aarch64/lr_free_2.c: New testcase for leaf
-fno-omit-frame-pointer.
From-SVN: r217431
* fold-const.c (fold_binary_loc): Don't fold if the result
is undefined.
* match.pd (A + (-B) -> A - B, A - (-B) -> A + B,
-(-A) -> A): Likewise.
* c-c++-common/ubsan/overflow-sub-4.c: New test.
* c-c++-common/ubsan/overflow-sub-2.c: Adjust dg-output.
* c-c++-common/ubsan/overflow-int128.c: Likewise.
From-SVN: r217427
2014-11-12 Richard Biener <rguenther@suse.de>
Merge from match-and-simplify branch
2014-11-04 Prathamesh Kulkarni <bilbotheelffriend@gmail.com>
* genmatch.c (user_id): Add new member is_oper_list.
(user_id::user_id): Add new default argument.
(parser::parse_operator_list): New function.
(parser::parse_for): Allow operator-list.
(parser::parse_pattern): Call parser::parse_operator_list.
(parser::parse_operation): Reject operator-list.
* match-builtin.pd: Define operator lists POWs, CBRTs and SQRTs.
2014-10-31 Prathamesh Kulkarni <bilbotheelffriend@gmail.com>
* genmatch.c (parser::parse_c_expr): Mark user-defined ops as used.
2014-10-30 Prathamesh Kulkarni <bilbotheelffriend@gmail.com>
* genmatch.c (parser::parse_op): Check if predicate is used in
result operand.
2014-10-29 Prathamesh Kulkarni <bilbotheelffriend@gmail.com>
* genmatch.c (parser::parse_for): Make sure to have a valid
token to report errors at.
2014-10-28 Prathamesh Kulkarni <bilbotheelffriend@gmail.com>
* genmatch.c (parser): Add new member parsing_match_operand.
(parser::parse_operation): Check for conditional convert in result
operand.
(parser::parse_expr): Check for commutative operator in result operand.
Check for :type in match operand.
(parser::parse_simplify): Set/unset parsing_match_operand.
(parser::parser): Initialize parsing_match_operand.
2014-10-28 Richard Biener <rguenther@suse.de>
* genmatch.c (parser::parse_for): Properly check for already
defined operators.
2014-10-28 Prathamesh Kulkarni <bilbotheelffriend@gmail.com>
* genmatch.c (error_cb): Adjust for printing warnings.
(warning_at): New function.
(user_id): Add new member used.
(get_operator): Mark user_id as used.
(parse_for): Warn for unused operators.
From-SVN: r217422
This patch adds a predefined macro __NO_MATH_ERRNO__ for when
-fno-math-errno is passed or implied. This allows math.h to provide a
more accurate definition of the C99 math_errhandling macro that takes
this option into account, and allows for choice of libm functions to
be optimized at compile time based on this option.
(There may be a case for such interfaces for -fno-rounding-math
(default) and -fno-trapping-math as well, but as C99 standard pragmas
would allow those to vary on a per-block basis, predefined macros
would be problematic as the interface; you can't select a
-fno-trapping-math or -fno-rounding-math version of a function in a
standard header if a conforming program could then use "#pragma STDC
FENV_ACCESS ON" to require a -ftrapping-math -frounding-math version
in a particular block. So built-in functions might be a better way of
providing access to information about those options.)
Bootstrapped with no regressions on x86_64-unknown-linux-gnu. OK to
commit?
* cppbuiltin.c (define_builtin_macros_for_compilation_flags):
Define __NO_MATH_ERRNO__ if -fno-math-errno.
* doc/cpp.texi (__NO_MATH_ERRNO__): Document predefined macro.
c-family:
* c-cppbuiltin.c (c_cpp_builtins_optimize_pragma): Define and
undefine __NO_MATH_ERRNO__ based on changes to -fmath-errno state.
testsuite:
* gcc.dg/no-math-errno-1.c, gcc.dg/no-math-errno-2.c,
gcc.dg/no-math-errno-3.c, gcc.dg/no-math-errno-4.c: New tests.
From-SVN: r217420
2014-11-12 Richard Biener <rguenther@suse.de>
* genmatch.c (::gen_transform): Add capture_info and
expand_compares arguments.
(struct expr): Add is_generic flag.
(lower_cond): New functions lowering [VEC_]COND_EXPR
conditions to a GENERIC and a GIMPLE variant.
(lower): Call lower_cond.
(cmp_operand): Also compare the is_generic flag.
(capture_info::cinfo): Add cond_expr_cond_p flag.
(capture_info::capture_info): Pass down whether the
expression argument is a COND_EXPR condition.
(capture_info::walk_match): Likewise, mark captures
capturing COND_EXPR conditions with cond_expr_cond_p.
(expr::gen_transform): Pass down whether we need to
expand compares from COND_EXPR conditions.
(capture::gen_transform): Expand compares substituted
from COND_EXPR conditions into non-COND_EXPR conditions.
(dt_operand::gen_gimple_expr): Handle explicitely marked
GENERIC expressions as generic.
(dt_simplify::gen): Pass whether we need to expand
conditions to gen_transform. Handle capture results
which are from COND_EXPR conditions.
(main): Pass gimple flag down to lower.
From-SVN: r217416
