86th Cygnus<->FSF quick merge

From-SVN: r12177

(strength_reduce): If HAVE_cc0 defined, disable auto_inc_opt
if it would put an insn between a cc0 setter/user pair.

From-SVN: r12176

Make sure Solaris is recognized as little endian.

From-SVN: r12175

Fix typo.

From-SVN: r12174

(ROUND_TYPE_ALIGN): Add check for TYPE_PACKED.

From-SVN: r12173

(branch_true): Add comment about T-bit compares.

From-SVN: r12172

(SHORT_IMMEDIATES_SIGN_EXTEND): Define.

From-SVN: r12171

cpplib.h, cpplib.c: Remove support for !STATIC_BUFFERS.

* cpplib.h, cpplib.c:  Remove support for !STATIC_BUFFERS.
* cpplib.c (special_symbol, do_once, do_include, cpp_get_token):
Compare cpp_buffer against CPP_NULL_BUFFER, not NULL.
* cpplib.c (dump_special_to_buffer):  New function.
(initialize_builtins):  Use it.

From-SVN: r12170

cpplib.h, cpplib.c: Remove support for !STATIC_BUFFERS.

* cpplib.h, cpplib.c:  Remove support for !STATIC_BUFFERS.
* cpplib.h:  Use unsigned char rather than U_CHAR.
* cpplib.h (cpp_reader):  Add destructor #ifdef __cplusplus.
(cpp_cleanup):  New prototype.

From-SVN: r12169

* pa/pa.h (TEXT_SPACE_P): Fix thinko in last change.

From-SVN: r12168

Turn off ELF shared libs for now by default; Add linker OS switch; more Solaris work

From-SVN: r12167

Fix typo: TYPE_ptrdiff_t to _TYPE_ptrdiff_t.

From-SVN: r12166

* varasm.c (output_constructor):  Handle RANGE_EXPR in array index.

From-SVN: r12165

(*call_{address,symbolic}_struct_value_sp32): Allow operand 2 to be
const0_rtx.

From-SVN: r12164

(make_decl_rtl): Don't update DECL_ASSEMBLER_NAME for
        local statics.

From-SVN: r12163

config.guess: Combine mips-mips-riscos cases, and use cpp to distinguish sysv/svr4/bsd variants.

* config.guess:  Combine mips-mips-riscos cases, and use cpp to
distinguish sysv/svr4/bsd variants.

From-SVN: r12159

(start_decl): Always set DECL_COMMON on statics.

From-SVN: r12158

(assemble_variable): Only treat vars with DECL_COMMON
        as common.

From-SVN: r12157

pa.c (reloc_needed): New function.

        * pa/pa.c (reloc_needed): New function.
        * pa/pa.h (TEXT_SPACE_P): Variables/constants with initializers
        requiring relocs never live in the text space.

From-SVN: r12156

Align code at the start of loops and after branches.

Align code at the start of loops and after branches.  Don't accept
negative zero in fp_zero_operand.

From-SVN: r12155

Align code at the start loops and after unconditional branches

From-SVN: r12154

Pass -mno-regnames to assembler.

From-SVN: r12153

Touch up solaris port

From-SVN: r12152

(CPP_SPEC): Make -mabi=n32 the default.

From-SVN: r12151

(MIPS_ISA_DEFAULT, MIPS_ABI_DEFAULT, MULTILIB_DEFAULTS,

ASM_SPEC, STARTFILE_SPEC, ENDFILE_SPEC, LINK_SPEC): Likewise.

From-SVN: r12150

(tablejump_internal4+1): Fix typo in condition.

From-SVN: r12149

(CC, OLDCC): Define to be `cc -32'.

From-SVN: r12148

Remove CYGNUS LOCAL tags.

From-SVN: r12147

(*:Linux:*:*): Add guess for sparc-unknown-linux.

From-SVN: r12145

([LR]SHIFT_EXPR): Remove `a' from printed names.

From-SVN: r12144

(call): Mask unimp operand to 12 bits, just like Sun.

From-SVN: r12143

(store_field): Fix typo in last change; update TARGET addr.

From-SVN: r12142

(layout_decl): Test DECL_PACKED and TYPE_PACKED instead of
flag_pack_struct.

From-SVN: r12141

(start_struct): Set TYPE_PACKED from flag_pack_struct.

(start_enum): Likewise but from flag_short_enums.
(finish_enum): Test TYPE_PACKED, not flag_short_enums.

From-SVN: r12140

(tablejump_internal3, tablejump_internal4): New patterns.

(tablejump): Use them for PIC code.

From-SVN: r12139

(epilogue_set_stack_ptr): New.

From-SVN: r12138

(ix86_expand_epilogue): Don't generate references to an exposed vacated stack.

From-SVN: r12137

(va_start): Add -mabi=n32 support.

From-SVN: r12136

Add -mabi=n32 support.

(ABI_64BIT): Delete.
(TARGET_LONG64, CPP_SPEC, STACK_BOUNDARY, MIPS_STACK_ALIGN,
GP_ARG_LAST, FP_ARG_LAST, SUBTARGET_CONDITIONAL_REGISTER_USAGE,
MAX_ARGS_IN_REGISTER, FUNCTION_ARG_PADDING, RETURN_IN_MEMORY,
SETUP_INCOMING_VARARGS): Modify.
(REG_PARM_STACK_SPACE): Ifdef out.
(TARGET_DEFAULT, SUBTARGET_TARGET_OPTIONS): Define.

From-SVN: r12135

Add -mabi=n32 support.

(TARGET_DEFAULT, ASM_OUTPUT_INTERNAL_LABEL,
ASM_GENERATE_INTERNAL_LABEL): Delete.
(MULTILIB_DEFAULTS, ASM_SPEC, EXTRA_SECTION_FUNCTIONS,
ASM_OUTPUT_ALIGNED_LOCAL, STARTFILE_SPEC, ENDFILE_SPEC, LINK_SPEC):
Modify.
(MIPS_ABI_DEFAULT, LOCAL_LABEL_PREFIX): Define.

From-SVN: r12134

Add -mabi=n32 support.

(mips_const_double_ok, mips_move_1word, mips_move_2words,
function_arg, override_options, mips_asm_file_start,
compute_frame_size, save_restore_insns, function_prologue,
mips_expand_prologue, function_epilogue, mips_function_value): Modify.
(mips_abi, mips_abi_string): Define

From-SVN: r12133

Solaris fixes

From-SVN: r12132

Add -mabi=n32 support.

(ABI_64BIT): Delete.
(TARGET_OPTIONS, INITIAL_ELIMINATION_OFFSET, GO_IF_LEGITIMATE_ADDRESS,
CONSTANT_ADDRESS_P, LEGITIMATE_CONSTANT_P, LEGITIMIZE_ADDRESS,
ASM_OUTPUT_ADDR_DIFF_ELT): Modify.
(enum mips_abi_type, SUBTARGET_TARGET_OPTIONS): Define.
(mips_abi, mips_abi_string): Declare.

From-SVN: r12131

(jump, tablejump_internal1, tablejump_internal2): Add
-mabi=n32 support.

From-SVN: r12130

(MULTILIB_OPTIONS): Add -mabi=n32 support.

From-SVN: r12129

(HOST_BITS_PER_LONG): Use _MIPS_SZLONG not 64.

From-SVN: r12128

tree.def (OFFSET_REF): Remove.

        * tree.def (OFFSET_REF): Remove.
        * expr.c (expand_expr, case OFFSET_REF): Ditto.
        * tree.c (substitute_in_expr): Remove OFFSET_REF code.
Remove some old cruft

From-SVN: r12127

86th Cygnus<->FSF quick merge

From-SVN: r12126

Fix typo.

From-SVN: r12125

fix typo, target expr's have 4 fields now, not three.

From-SVN: r12124

Add code to print rs6000 specific info in .s file; make eabi.asm assemble on Solaris

From-SVN: r12123

Fix problems in float/int conversion in inline functions

From-SVN: r12122

Add comment.

From-SVN: r12121

(expand_builtin, case BUILT_IN_{LONG,SET}JMP): Convert block address
from ptr_mode to Pmode.

From-SVN: r12120

(MSDOS pexecute): Call xmalloc, not malloc.

From-SVN: r12119

No longer include xm-svr3.h.

From-SVN: r12118

No longer include vax.h.

From-SVN: r12117

No longer include vax.h and config/netbsd.h.

From-SVN: r12116

Don't include xm-alpha.h and winnt/xm-winnt.h.

From-SVN: r12115

Don't include alpha.h

Don't include alpha.h
(WINDOWS_NT): No longer define.

From-SVN: r12114

Properly set tm_file and {build,host}_xm_file.

From-SVN: r12113

Test TARGET_WINDOWS_NT, not WINDOWS_NT.

From-SVN: r12112

(output_prolog): Test TARGET_WINDOWS_NT, not WINDOWS_NT.

From-SVN: r12111

(WINDOWS_NT): No longer defined and used.

(MASK_WINDOWS_NT, TARGET_WINDOWS_NT): New macros.
(ASM_OUTPUT_ADDR_DIFF_ELT): Use TARGET_WINDOWS_NT.

From-SVN: r12110

Make .h files properly for Alpha.

From-SVN: r12109

(AViiON:dgux:*:*): Fix typo in recognizing mc88110.

From-SVN: r12098

varasm.c (asm_output_bss): New argument DECL.

* varasm.c (asm_output_bss): New argument DECL.
Use ASM_DECLARE_OBJECT_NAME if defined.
(asm_output_aligned_bss): Likewise.
(assemble_variable): Pass DECL to ASM_OUTPUT{,_ALIGNED}_BSS.
* sparc/sysv4.h (ASM_OUTPUT_ALIGNED_BSS): Update.

From-SVN: r12097

varasm.c (asm_output_bss): New argument DECL.

* varasm.c (asm_output_bss): New argument DECL.
Use ASM_DECLARE_OBJECT_NAME if defined.
(asm_output_aligned_bss): Likewise.
(assemble_variable): Pass DECL to ASM_OUTPUT{,_ALIGNED}_BSS.
* rs6000/win-nt.h (ASM_OUTPUT_ALIGNED_BSS): Update.

From-SVN: r12096

varasm.c (asm_output_bss): New argument DECL.

* varasm.c (asm_output_bss): New argument DECL.
Use ASM_DECLARE_OBJECT_NAME if defined.
(asm_output_aligned_bss): Likewise.
(assemble_variable): Pass DECL to ASM_OUTPUT{,_ALIGNED}_BSS.
* rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_BSS): Update.

From-SVN: r12095

varasm.c (asm_output_bss): New argument DECL.

* varasm.c (asm_output_bss): New argument DECL.
Use ASM_DECLARE_OBJECT_NAME if defined.
(asm_output_aligned_bss): Likewise.
(assemble_variable): Pass DECL to ASM_OUTPUT{,_ALIGNED}_BSS.
* m68k/m68k-aout.h (ASM_OUTPUT_BSS): Update.

From-SVN: r12094

varasm.c (asm_output_bss): New argument DECL.

* varasm.c (asm_output_bss): New argument DECL.
Use ASM_DECLARE_OBJECT_NAME if defined.
(asm_output_aligned_bss): Likewise.
(assemble_variable): Pass DECL to ASM_OUTPUT{,_ALIGNED}_BSS.
* m68k/linux.h (ASM_OUTPUT_ALIGNED_BSS): Update.

From-SVN: r12093

varasm.c (asm_output_bss): New argument DECL.

* varasm.c (asm_output_bss): New argument DECL.
Use ASM_DECLARE_OBJECT_NAME if defined.
(asm_output_aligned_bss): Likewise.
(assemble_variable): Pass DECL to ASM_OUTPUT{,_ALIGNED}_BSS.
* m68k/coff.h (ASM_OUTPUT_ALIGNED_BSS): Update.

From-SVN: r12092

varasm.c (asm_output_bss): New argument DECL.

* varasm.c (asm_output_bss): New argument DECL.
Use ASM_DECLARE_OBJECT_NAME if defined.
(asm_output_aligned_bss): Likewise.
(assemble_variable): Pass DECL to ASM_OUTPUT{,_ALIGNED}_BSS.
* i386/sysv4.h (ASM_OUTPUT_ALIGNED_BSS): Update.

From-SVN: r12091

varasm.c (asm_output_bss): New argument DECL.

* varasm.c (asm_output_bss): New argument DECL.
Use ASM_DECLARE_OBJECT_NAME if defined.
(asm_output_aligned_bss): Likewise.
(assemble_variable): Pass DECL to ASM_OUTPUT{,_ALIGNED}_BSS.
* i386/linux.h (ASM_OUTPUT_ALIGNED_BSS): Update.

From-SVN: r12090

varasm.c (asm_output_bss): New argument DECL.

* varasm.c (asm_output_bss): New argument DECL.
Use ASM_DECLARE_OBJECT_NAME if defined.
(asm_output_aligned_bss): Likewise.
(assemble_variable): Pass DECL to ASM_OUTPUT{,_ALIGNED}_BSS.
* h8300/h8300.h (ASM_OUTPUT_BSS): Update.

From-SVN: r12089

varasm.c (asm_output_bss): New argument DECL.

* varasm.c (asm_output_bss): New argument DECL.
Use ASM_DECLARE_OBJECT_NAME if defined.
(asm_output_aligned_bss): Likewise.
(assemble_variable): Pass DECL to ASM_OUTPUT{,_ALIGNED}_BSS.
* arm/aout.h (ASM_OUTPUT_ALIGNED_BSS): Update.

From-SVN: r12088

varasm.c (asm_output_bss): New argument DECL.

* varasm.c (asm_output_bss): New argument DECL.
Use ASM_DECLARE_OBJECT_NAME if defined.
(asm_output_aligned_bss): Likewise.
(assemble_variable): Pass DECL to ASM_OUTPUT{,_ALIGNED}_BSS.

From-SVN: r12087

(set_nonzero_bits_and_sign_copies): Set
reg_sign_bit_copies to one not zero to indicate that the value
is unknown.

From-SVN: r12086

Construct exception masks at compile time
instead of or'ing in bits at run time.

From-SVN: r12085

(SWITCH_TAKES_ARG): Add -R.

(LINK_SPEC): Add %{R*}.

From-SVN: r12084

Do better scheduling of floating point instructions

From-SVN: r12083

Fix typo in last change.

From-SVN: r12082

h8300.h (CONSTANT_ADDRESS_P): Don't accept CONST or HIGH on the H8/300H.

        * h8300/h8300.h (CONSTANT_ADDRESS_P): Don't accept CONST or HIGH
        on the H8/300H.
        * h8300.md: Use "m" rather than "o" constraint everywhere
        appropriate.  Cleanup use of "i" and "n" constraints.

From-SVN: r12081

(pthread.h): Add extern to __page_size* declarations
for AIX 4.1.x.

From-SVN: r12080

(nonzero_bits): Don't assume arg pointer has same
alignment as stack pointer.

From-SVN: r12079

(SET_ASM_OP): New. __attribute__ ((alias ()))

From-SVN: r12078

Fix SPEC macros

From-SVN: r12077

Initial revision

From-SVN: r12076

(ix86_expand_epilogue): use gen_return_pop_internal to
simultanously return and pop args; removed stray semicolon.

From-SVN: r12075

(return_pop_internal): new pattern.

(pop): disable emitting of bogus move instruction.

From-SVN: r12074

(init_reg_last_arrays, setup_incoming_promotions): Correct prototypes.

From-SVN: r12073

h8300.md (div patterns): Rewrite.

        * h8300/h8300.md (div patterns): Rewrite.
        (mod patterns): Likewise.

From-SVN: r12072

Restore `hp9k2[0-9][0-9] | hp9k31[0-9])' case line apparently accidentally
removed in the last change.

From-SVN: r12068

* pa/pa.c (basereg_operand): Never accept a CONST_INT.

From-SVN: r12067

(STRUCTURE_SIZE_BOUNDARY): Add comment explaining why it's 32.

From-SVN: r12066

(LINK_SPEC): Provide version for Snake.

From-SVN: r12065

(LINK_SPEC): Provide versions for Snake as well.

From-SVN: r12064

(TARGET_NAME): Always redefine.

(TARGET_VERSION): Delete; retain vax.h definition.

From-SVN: r12063

(TARGET_NAME): Define unless already defined.

(TARGET_VERSION): Print TARGET_NAME.

From-SVN: r12062

(output_file_start): Delete misplaced semicolon.

From-SVN: r12061