* config.gcc: Recognize niagara as target.
* config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
(TARGET_CPU_niagara): Define.
(CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
(ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
(CPP_CPU_SPEC): Handle -mcpu=niagara.
(ASM_CPU_SPEC): Likewise.
(PROCESSOR_NIAGARA): New enum entry.
(REGISTER_MOVE_COST): Handle Niagara.
(BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
* config/sparc/sparc.c (niagara_costs): New processor_costs entry.
(sparc_override_options): Recognize "niagara", set appropriate
default MASK_* values for it, and align functions to 32-bytes
by default just like ULTRASPARC/ULTRASPARC3.
(sparc_initialize_trampoline): Handle niagara like ultrasparc.
(sparc64_initialize_trampoline): Likewise.
(sparc_use_sched_lookahead): Use zero for niagara.
(sparc_issue_rate): Use one for niagara.
* config/sparc/niagara.md: New file.
* config/sparc/sparc.md: Include it.
* config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
when default cpu is niagara.
(CPP_CPU_SPEC): Handle -mcpu=niagara.
(ASM_CPU_SPEC): Likewise.
* config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
when default cpu is niagara.
(ASM_CPU_SPEC): Handle -mcpu=niagara.
* config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
just like v9/ultrasparc/ultrasparc3.
* doc/invoke.texi: Add documentation for "niagara" and improve
existing documentation for ultrasparc variants.
From-SVN: r111648
* doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
(ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
and say that only one is needed.
* doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
* target.h (have_switchable_bss_sections): New hook.
* explow.c (use_anchored_address): Check that the symbol is in a block.
* varasm.c (tls_comm_section, comm_section, lcomm_section)
(bss_noswitch_section): New variables.
(get_unnamed_section): Add SECTION_UNNAMED to the flags.
(get_noswitch_section): New function.
(get_block_for_section): Allow SECT to be null.
(unlikely_text_section_p): Use SECTION_STYLE.
(bss_initializer_p): New function.
(get_variable_section): Move earlier in file. Take a new argument,
prefer_noswitch_p. Move bss checks from assemble_variable to here.
Return one of the new *_sections in such cases.
(get_block_for_decl): New function, extracting some logic from
use_blocks_for_decl_p.
(change_symbol_section): Remove in favor of...
(change_symbol_block): ...this new function.
(use_blocks_for_decl_p): Remove checks now performed by
get_block_for_decl.
(make_decl_rtl): Use change_symbol_block and get_block_for_decl.
(ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
(emit_local, emit_bss, emit_common): ...these new functions.
Return true if the alignment was honored.
(emit_tls_common): New function.
(asm_emit_uninitialised): Delete.
(assemble_variable_noswitch): New function, split out from...
(assemble_variable): ...here. Don't make decisions about common
variables here. Globalize all public decls that go into non-common
sections. Check whether SYMBOL_REF_BLOCK is null.
(output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
(output_constant_pool): Likewise.
(init_varasm_once): Initialize the new section variables.
(have_global_bss_p): New function.
(categorize_decl_for_section): Use bss_initializer_p.
(switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
(place_block_symbol): Assert that the symbol must be in a block.
* target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
(TARGET_INITIALIZER): Include it.
* rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
* output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
(SECTION_MACH_DEP): Bump by two.
(SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
(unnamed_section): Mention SECTION_UNNAMED in comment.
(named_section): Likewise SECTION_NAMED.
(noswitch_section_callback): New type.
(noswitch_section): New structure.
(section): Add a noswitch_section alternative.
(SECTION_STYLE): New macro.
(tls_comm_section, comm_section, lcomm_section): Declare.
(bss_noswitch_section, have_global_bss_p): Declare.
* config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
* config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
Override.
* config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
* config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
Override.
cp/
* decl.c (start_decl): Use have_global_bss_p when deciding
whether to make the decl common.
ada/
* utils.c (create_var_decl): Use have_global_bss_p when deciding
whether to make the decl common.
From-SVN: r111644
2006-03-02 Richard Guenther <rguenther@suse.de>
* tree-ssa-alias.c (find_used_portions): Consider taking
the address as making the variable not write-only.
From-SVN: r111639
* config.gcc (default_use_cxa_atexit): Extend the description of
this configure variable. Set its default value to "yes" for
Linux, NetBSD and ELF targets on the assumption that they will
use C libraries with the __cxa_atexit function.
From-SVN: r111636
PR other/26489
* gthr-posix.h (__gthrw2): Define to take three parameters, the
declared name, the weak reference name, and the typeof name.
(__gthrw): Avoid expanding the declared name suffix.
(__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
From-SVN: r111633
* trans-stmt.c (generate_loop_for_temp_to_lhs): Add an additional
INVERT argument to invert the sense of the WHEREMASK argument.
Remove unneeded code to AND together a list of masks.
(generate_loop_for_rhs_to_temp): Likewise.
(gfc_trans_assign_need_temp): Likewise.
(gfc_trans_forall_1): Likewise.
(gfc_evaluate_where_mask): Likewise, add a new INVERT argument
to specify the sense of the MASK argument.
(gfc_trans_where_assign): Likewise.
(gfc_trans_where_2): Likewise. Restructure code that decides
whether we need to allocate zero, one or two temporary masks.
If this is a top-level WHERE (i.e. the incoming MAKS is NULL),
we only need to allocate at most one temporary mask, and can
invert it's sense to provide the complementary pending execution
mask. Only calculate the size of the required temporary arrays
if we need any.
(gfc_trans_where): Update call to gfc_trans_where_2.
From-SVN: r111630
* tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
Update all users.
* tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
Update all users.
(TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
Update all users.
* tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
Update all users.
* tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
to 'symbol_mem_tag'.
Update all users.
* doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
rename.
From-SVN: r111617
2006-03-01 Paul Thomas <pault@gcc.gnu.org>
* iresolve.c (gfc_resolve_dot_product): Remove any difference in
treatment of logical types.
* trans-intrinsic.c (gfc_conv_intrinsic_dot_product): New function.
PR fortran/26393
* trans-decl.c (gfc_get_symbol_decl): Extend condition that symbols
must be referenced to include unreferenced symbols in an interface
body.
PR fortran/20938
* trans-array.c (gfc_conv_resolve_dependencies): Add call to
gfc_are_equivalenced_arrays.
* symbol.c (gfc_free_equiv_infos, gfc_free_equiv_lists): New
functions. (gfc_free_namespace): Call them.
* trans-common.c (copy_equiv_list_to_ns): New function.
(add_equivalences): Call it.
* gfortran.h: Add equiv_lists to gfc_namespace and define
gfc_equiv_list and gfc_equiv_info.
* dependency.c (gfc_are_equivalenced_arrays): New function.
(gfc_check_dependency): Call it.
* dependency.h: Prototype for gfc_are_equivalenced_arrays.
2006-03-01 Paul Thomas <pault@gcc.gnu.org>
* gfortran.dg/logical_dot_product.f90: New test.
PR fortran/26393
* gfortran.dg/used_interface_ref.f90: New test.
PR fortran/20938
* gfortran.dg/dependency_2.f90: New test.
* gfortran.fortran-torture/execute/where17.f90: New test.
* gfortran.fortran-torture/execute/where18.f90: New test.
* gfortran.fortran-torture/execute/where19.f90: New test.
* gfortran.fortran-torture/execute/where20.f90: New test.
From-SVN: r111616
2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
PR target/25761
* config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
MACHO_DYNAMIC_NO_PIC_P.
(MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
From-SVN: r111611
2006-03-01 Daniel Berlin <dberlin@dberlin.org>
Fix PR tree-optimization/26443
* tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
to todo and PROP_tmt_usage to properties_destroyed.
* tree-ssa-ccp.c (pass_ccp): Ditto.
(pass_store_ccp): Ditto.
* tree-ssa-dom.c (pass_dominator): Ditto.
From-SVN: r111608
2006-02-28 Jerry DeLisle <jvdelisle@gcc.gnu.org>
PR libgfortran/26136
* io/io.h: Add flag for reading from line_buffer.
* io/list_read.c (l_push_char): New function to save namelist
input when reading logicals.
(free_line): New function to free line_buffer memory.
(next_char): Added feature to read from line_buffer.
(read_logical): Use new functions to test for '=' after reading a
logical value, checking for possible variable name.
(namelist_read): Use free_line when all done.
From-SVN: r111597
* config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
and powerpc64-*-linux* configurations.
* config/t-dfprules: New file.
From-SVN: r111596
* mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
Compile dfp-bit.c from the source directory using -DWIDTH and
$DFP_CFLAGS to control the compilation of that file, rather than
generating width-specific versions in the build directory.
* Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
(LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
From-SVN: r111595
2006-02-28 Eric Christopher <echristo@apple.com>
* config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
Set up IN_LIBGCC definition of TARGET_64BIT.
* config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
From-SVN: r111584
2006-03-01 Andreas Tobler <a.tobler@schweiz.ch>
* testsuite/libffi.special/unwindtest.cc (closure_test_fn): Mark cif,
args and userdata unused.
(closure_test_fn1): Mark cif and userdata unused.
(main): Remove unused res.
From-SVN: r111583
PR middle-end/14752
* c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
cases via the construction of "expr != 0".
* gcc.dg/fold-eqandshift-2.c: New test case.
From-SVN: r111575
* rtl.h (truncated_to_mode): Declare it.
(struct rtl_hooks): Add reg_truncated_to_mode hook.
* rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
(RTL_HOOKS_INITIALIZER): Include it.
* rtlhooks.c (reg_truncated_to_mode_general): New function.
* combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
reg_truncated_to_mode.
* rtlanal.c (truncated_to_mode): Define it.
* simplify-rtx.c (simplify_unary_operation_1): Use it.
Co-Authored-By: Adam Nemet <anemet@caviumnetworks.com>
From-SVN: r111573
* tree-chrec.c (chrec_convert_aggressive): Do not eliminate
conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
the range allowed by TYPE_PRECISION.
From-SVN: r111568
GCC Administrator
Zdenek Dvorak
Eric Christopher
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Richard Guenther
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Roger Sayle
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Paul Thomas
Mike Stump
Andrew Pinski
H.J. Lu
Paolo Carlini
Diego Novillo
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Andreas Tobler
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