* ggc-page.c (init_ggc): Give better diagnostics on failure to
open /dev/zero.
* toplev.c (crash_signal): Reset handling for received signal
to SIG_DFL.
From-SVN: r67323
2003-06-02 Ben Elliston <bje@wasabisystems.com>
* config/arm/arm.c (arm_use_dfa_pipeline_interface): Declare.
(TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define if not already defined.
(arm_use_dfa_pipeline_interface): Implement.
* config/arm/arm.md (arm): New automaton.
(write_buf): Remove function units; new cpu unit.
(write_blockage): Remove function units; new cpu unit.
(core): Remove function units; new cpu unit.
(r_mem_f_wbuf): New instruction reservation.
(store1_wbuf, store2_wbuf, store3_wbuf, store4_wbuf): Likewise.
(store1_ldsched, store2, store3, store4): Likewise.
(load_ldsched, load_ldsched_xscale, load_or_store): Likewise.
(mult, mult_ldsched, mult_ldsched_strongarm): Likewise.
(multi_cycle, single_cycle): Likewise.
* config/arm/fpa.md (armfp): New automaton.
(fpa): Remove function units; new cpu unit.
(fpa_mem): Remove function unit; new cpu unit.
(fdivx, fdivd, fdivs, fmul, ffmul, farith, ffarith): New reservations.
(r_2_f, f_2_r, f_load, f_store, r_mem_f, f_mem_r): Likewise.
From-SVN: r67322
* builtin-attrs.def (ATTR_ASM_FPRINTF): New.
* c-format.c (enum format_type): Add asm_fprintf_format_type.
(NOARGUMENTS, asm_fprintf_length_specs, asm_fprintf_flag_specs,
asm_fprintf_flag_pairs, asm_fprintf_char_table): New.
(format_types_orig): Renamed from format_types. Add new data.
(format_types): Declare as pointer.
(handle_format_attribute): Move later in file so we have all
necessary declarations. Add section to capture HOST_WIDE_INT.
* output.h (ATTRIBUTE_ASM_FPRINTF, __gcc_host_wide_int__): New.
(asm_fprintf): Mark with ATTRIBUTE_ASM_FPRINTF.
From-SVN: r67319
* cppmacro.c (warn_of_redefinition): Handle cases where the two
definitions have different numbers of tokens.
* gcc.dg/cpp/redef3.c: New file.
From-SVN: r67307
* Makefile.in (c-options.c, c-options.h): Parallel make safe.
* c.opt: End in blank line.
* opts.sh: Take AWK from environment if available; use C locale.
From-SVN: r67305
2003-05-31 Bud Davis <bdavis9659@comcast.net>
PR fortran/10843
* sta.c (ffesta_second_): Parse GO TO correctly,
even in free source format.
From-SVN: r67276
* flags.h (flag_wrapv): New flag controlling overflow semantics.
* toplev.c (flag_wrapv): Declare the variable with default false.
(lang_independent_options): New option "-fwrapv" to set the above.
* fold-const.c (extract_muldiv_1): Disable optimization of (2*x)/2
as x, when signed arithmetic overflow wraps around.
(fold): Optimize "-A - B" as "-B - A" if overflow wraps around.
* loop.c (basic_induction_var): Ignore BIVs that rely on undefined
overflow when flag_wrapv is true.
* java/lang.c (java_init_options): Prescribe wrap-around two's
complement arithmetic overflow by setting flag_wrapv.
* doc/invoke.texi: Document new -fwrapv command line option.
* doc/c-tree.texi: Mention that the overflow semantics of
NEGATE_EXPR, PLUS_EXPR, MINUS_EXPR and MULT_EXPR is dependent
upon both flag_wrapv and flag_trapv.
* gcc.dg/fwrapv-1.c: New test case.
* gcc.dg/fwrapv-2.c: New test case.
* libjava.lang/Overflow.java: New test.
* libjava.lang/Overflow.out: New file.
From-SVN: r67270
* decl.c (cp_binding_level::this_entity): Rename from this_class.
(cxx_scope_descriptor): New function.
(cxx_scope_debug): Likewise.
(push_binding_level): Use it.
(pop_binding_level): Likewise.
(suspend_binding_level): Likewise.
(resume_binding_level): Likewise.
(pushlevel_class): Adjust use of this_class.
(pushtag): Likewise.
(lookup_name_real): Likewise.
(global_scope_name): New variable.
(initialize_predefined_identifiers): Initialize it.
(push_namespace): Use it.
(make_cxx_scope): New function.
(pushlevel): Use it.
(pushlevel_class): Likewise.
(push_binding_level): Simplify. Loose the last two arguments.
(make_binding_level): Remove.
(initial_push__namespace_scope): New function.
(push_namespace): Use it. Simplify.
(cxx_init_decl_processing): Likewise.
(declare_namespace_level): Remove.
From-SVN: r67269
PR c++/10956
* pt.c (instantiate_decl): Don't use full template arguments if
we are dealing with specializations.
* g++.dg/template/spec9.C: New test.
From-SVN: r67268
* com.c (ffecom_init_0): Define built-in functions for tan and atan.
* com-rt.def: Use then to implement g77's tan and atan intrinsics.
From-SVN: r67260
* emit-rtl.c (gen_complex_constant_part): New function for getting
the constant real or imaginary part of a complex constant.
(gen_realpart): Use it.
(gen_imagpart): Likewise.
From-SVN: r67252
