2002-05-31  Aldy Hernandez  <aldyh@redhat.com>

        * expr.c (expand_expr): Output partially zeroed out vectors with
        output_constant_def.

From-SVN: r54080

* config.gcc (sh[123456789l]*-*-*): Set cpu_type to sh.
(sh-*-netbsdelf*)
(shl*-*-netbsdelf*): New targets.
* config/sh/netbsd-elf.h: New file.

From-SVN: r54079

        PR optimization/6822
        * config/i386/i386.c (ix86_expand_int_movcc): Don't cast INTVAL
        to unsigned int for op1 comparisons.  Use gen_int_mode.

	* gcc.c-torture/compile/20020530-1.c: New.

Co-Authored-By: Eric Botcazou <ebotcazou@multimania.com>

From-SVN: r54076

        * expmed.c (const_mult_add_overflow_p): New.
        * expr.h: Declare it.
        * loop.c (maybe_eliminate_biv_1) [COMPARE]: Use it.
        Don't eliminate the biv if the giv has a constant multiplier and
        the rhs argument of the comparison does satisfy the predicate.
        Use expand_mult_add to compute the replacement constant.

From-SVN: r54075

        * c-common.c (c_common_attribute_table): Add "may_alias" entry.
        (c_common_get_alias_set): Handle it.
        * doc/extend.texi: Document it.

        * gcc.c-torture/execute/mayalias-1.c: New file.

From-SVN: r54074

        * defaults.h (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER): Kill.
        * toplev.c (process_options): Don't check it.
        * doc/tm.texi: Don't document it.
        * config/i386/linux.h (SUBTARGET_FRAME_POINTER_REQUIRED): New.
        (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER): Kill.
        * config/i386/i386.c (ix86_frame_pointer_required): Suppress leaf
        frame pointer optimization if current_function_profile.

From-SVN: r54072

2002-05-30	Marc Espie <espie@openbsd.org>
	* configure.in:  Always check for sys/types.h
	* configure:  Regenerate.

From-SVN: r54071

	* langhooks.c: Fix formatting.
	* langhooks.h: Likewise.
	* lcm.c: Likewise.
	* libgcc2.c: Likewise.
	* lists.c: Likewise.
	* local-alloc.c: Likewise.
	* loop.c: Likewise.
	* loop.h: Likewise.

From-SVN: r54070

2002-05-30  H.J. Lu  (hjl@gnu.org)

	* libI77/open.c (_XOPEN_SOURCE): Removed.

From-SVN: r54069

2002-05-30	Marc Espie <espie@openbsd.org>
	* config.gcc (sparc64-*-openbsd*):  New.
	* config/sparc/openbsd1-64.h:  New.
	* config/sparc/openbsd64.h:  New.

From-SVN: r54066

        * flow.c (propagate_one_insn): Revise yesterday's patch.  Delete
        a dead insn with a REG_RETVAL note when the entire libcall is not
        dead and remove the associated REG_LIBCALL note at the same time.

From-SVN: r54065

	* lcm.c (output.h): #include.
	(compute_earliest): Remove hack to treat renumbered EXIT_BLOCK
	as an ordinary block.
	(optimize_mode_switching): Don't pretend that the exit block is
	an ordinary block, or handle sucessors of entry block specially.
	Instead, split edges from entry block and to exit block, and
	put a computing definition on the thus gained post-entry-block,
	and a need on the pre-exit-block.

From-SVN: r54064

	* ada.h: Add MI guard macro.
	(SUBTYPE): Define constants with an anonymous enum, not static
	const variables.
	(IN): Cast constants to appropriate type before use.

From-SVN: r54063

	* gengenrtl.c (type_from_format, accessor_from_format): Support 'B'.
	* rtl.texi: Document 'B'

From-SVN: r54062

From-SVN: r54061

* config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Compute
at run-time.
(LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Set to 96 if not __mc68010__.

From-SVN: r54059

From-SVN: r54058

From-SVN: r54057

From-SVN: r54055

2002-05-30  Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/rs6000.c (rs6000_expand_unop_builtin): Return
        const0_rtx instead of NULL_RTX when in error.
        (altivec_expand_abs_builtin): Same.
        (rs6000_expand_binop_builtin): Same.
        (altivec_expand_predicate_builtin): Same.
        (altivec_expand_stv_builtin): Same.
        (rs6000_expand_ternop_builtin): Same.
        (altivec_expand_builtin): Same.

From-SVN: r54054

2002-05-29  David S. Miller  <davem@redhat.com>

	* rtl.h (clear_emit_caches): Delete.
	* integrate.c (output_inline_function): Don't call it.
	* emit-rtl.c (restore_emit_status, init_emit): Likewise.
	(clear_emit_caches): Delete definition.
	(SEQUENCE_RESULT_SIZE, sequence_result, free_insn): Likewise.

From-SVN: r54053

From-SVN: r54047

	* config/mmix/mmix.c: Include real.h.
	(mmix_constant_address_p): Remove redundant test before switch.

From-SVN: r54042

* configure.in (vax-*-netbsd*): Don't build gas for this
platform.

From-SVN: r54040

From-SVN: r54039

* config/mips/mips.h (READONLY_DATA_SECTION_ASM_OP): Define
only if not already defined.

From-SVN: r54038

	* config/h8300/h8300-protos.h: Remove prototypes for
	ok_for_bclr and small_power_of_two.
	* config/h8300/h8300.c (small_power_of_two): Remove.
	(ok_for_blcr): Likewise.
	(fix_bit_operand): Make WHAT deal with an integer instead of a
	constraint character.
	* config/h8300/h8300.h (CONST_OK_FOR_O): Remove.
	(CONST_OK_FOR_P): Likewise.
	(CONST_OK_FOR_LETTER_P): Do not call CONST_OK_FOR_O or
	CONST_OK_FOR_P any more.
	* config/h8300/h8300.md (andqi3): Adjust to the new prototype
	of fix_bit_operand.
	(iorqi3): Likewise.
	(xorqi3): Likewise.

From-SVN: r54037

* config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Define.
(CPP_PREDEFINES): Make sure this is undefined.
(CPP_SPEC): Place -D__mips=1 at the beginning of the spec,
since it is no longer in CPP_PREDEFINES.  Don't -U__MIPSEL__
or -U__MIPSEB__ before defining one or the other.  Instead,
use %(subtarget_endian_default) if neither -EB nor -EL are
specified.
(SUBTARGET_EXTRA_SPECS): Define.
(SUBTARGET_CPP_SPEC): Remove __LONG64 handling.  Use
%(netbsd_cpp_spec).

From-SVN: r54036

	* doc/md.texi (Patterns): Note pattern condition pitfall
	for unnamed insn.

From-SVN: r54035

2002-05-29  Aldy Hernandez  <aldyh@redhat.com>

        * rs6000.c: (altivec_expand_builtin): Only expand altivec builtins
        when TARGET_ALTIVEC.  Move handling of generic unary, binary, and
        ternary operations from here...
        (rs6000_expand_builtin): ...to here.
        New argument expandedp.
        Change all instances of altivec_expand_binop_builtin to
        rs6000_expand_binop_builtin.
        (altivec_expand_unop_builtin): Rename to
        rs6000_expand_unop_builtin.
        (altivec_expand_binop_builtin): Rename to
        rs6000_expand_binop_builtin.
        (altivec_expand_ternop_builtin): Rename to
        rs6000_expand_ternop_builtin.

From-SVN: r54034

        * config/i386/biarch64.h (TARGET_64BIT_DEFAULT): Define with value.
        (TARGET_BI_ARCH): Likewise.
        * config/i386/i386.h: Test TARGET_64BIT_DEFAULT by value.
        (TARGET_SWITCHES): Combine target defaults here not in TARGET_DEFAULT.
        (TARGET_64BIT_DEFAULT): Default to 0.
        (TARGET_DEFAULT): Default to MASK_OMIT_LEAF_FRAME_POINTER.

From-SVN: r54032

        * config/i386/i386.c (USE_HIDDEN_LINKONCE): New.
        (get_pc_thunk_name): New.
        (output_set_got): Use it.
        (ix86_asm_file_end): If USE_HIDDEN_LINKONCE, emit get_pc thunks
        into linkonce sections.

From-SVN: r54031

* config/sparc/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define.
(CPP_PREDEFINES): Make sure this is undefined.
(CPP_SUBTARGET_SPEC64, CPP_SUBTARGET_SPEC32): Remove.
(CPP_SUBTARGET_SPEC): Don't provide different versions for
default-32 and default-64.  Just always use %(netbsd_cpp_spec).
(SUBTARGET_EXTRA_SPECS): Remove cpp_subtarget_spec32 and
cpp_subtarget_spec64.  Add netbsd_cpp_spec.
* config/sparc/netbsd.h (TARGET_OS_CPP_BUILTINS): Define.
(CPP_PREDEFINES): Make sure this is undefined.
(SUBTARGET_EXTRA_SPECS): Define.
(CPP_SPEC): Use %(netbsd_cpp_spec).

From-SVN: r54030

        * flow.c (propagate_one_insn): Do not remove a dead insn if it
        contains a REG_RETVAL note.

From-SVN: r54028

        * haifa-sched (sched_analyze): Remove another useless clearing
        of SCHED_GROUP_P I missed yesterday.

From-SVN: r54027

        * pa.h (ASM_OUTPUT_MI_THUNK): Move implementation into pa.c.
        * pa.c (pa_asm_output_mi_thunk): New function.
        * pa-protos.h (pa_asm_output_mi_thunk): Declare.

From-SVN: r54026

	* config/avr/avr.c (avr_base_arch_macro, avr_extra_arch_macro): New.
	(avr_asm_only_p): Make non-static.
	(enum avr_arch): Remove.
	(avr_arch_types): New.
	(avr_mcu_types): Update.
	(avr_override_options): Use avr_arch_types table instead of switch.
	* avr.h (CPP_PREDEFINES): Die.
	(avr_base_arch_macro, avr_extra_arch_macro): New.
	(TARGET_CPU_CPP_BUILTINS): New.
	(CPP_SPEC, EXTRA_SPECS): Simplify.
	(CPP_AVR1_SPEC, CPP_AVR2_SPEC, CPP_AVR3_SPEC, CPP_AVR4_SPEC,
	CPP_AVR5_SPEC): Die.

Co-Authored-By: Marek Michalkiewicz <marekm@amelek.gda.pl>

From-SVN: r54023

* config/arm/netbsd.h (TARGET_OS_CPP_BUILTINS): Use
NETBSD_OS_CPP_BUILTINS_AOUT.
(SUBTARGET_EXTRA_SPECS): Define.
(CPP_SPEC): Use %(netbsd_cpp_spec).

From-SVN: r54022

        * config/i386/i386.c (ix86_output_function_epilogue): New.
        (TARGET_ASM_FUNCTION_EPILOGUE): New.
        (pic_label_name): Remove.
        (pic_labels_used): New.
        (ix86_asm_file_end): Emit one pc load stub for each register used.
        (output_set_got): Generate deep pc load to any register.
        (ix86_select_alt_pic_regnum): New.
        (ix86_save_reg): Don't save pic register if we can find a valid
        call-clobbered replacement.
        (ix86_expand_prologue): If we found a valid replacement, renumber
        pic_offset_table_rtx.
        * config/i386/i386.h (PIC_OFFSET_TABLE_REGNUM): Look at
        pic_offset_table_rtx after reload.
        (REAL_PIC_OFFSET_TABLE_REGNUM): New.
        * config/i386/i386.md (set_got): Make insn, not expander.
        (set_got_nopic, set_got_deep, set_got_nodeep): Remove.

From-SVN: r54021

        * config/i386/i386.c (ix86_compute_frame_layout): Do add bottom
        alignment for alloca.

	* gcc.c-torture/execute/alloca-1.c: New.

From-SVN: r54018