configure.ac (mips*-*-*): Print an error if not using GAS.

	* configure.ac (mips*-*-*): Print an error if not using GAS.
	* configure: Regenerated.
	* doc/install.texi: Remove irix5 bullet from --with-gnu-as.  Remove
	comments about buggy MIPSpro assemblers.
	* config.gcc (mips-sgi-irix[56]*): Combine stanzas.  Include elfos.h
	before mips.h and iris.h after it.  Use t-iris and t-slibgcc-irix.
	Use iris5.h only for IRIX 5 configs.  Use iris6.h and t-iris6 for
	IRIX 6 configs.  Define IRIX_USING_GNU_LD if using GNU ld.
	* config/mips/iris5.h (TARGET_IRIX, SWITCHES_NEED_SPACES)
	(DEFAULT_SIGNED_CHAR, WORD_SWITCH_TAKES_ARG, SUBTARGET_CC1_SPEC)
	(NO_IMPLICIT_EXTERN_C, MIPS_DEFAULT_GVALUE)
	(TARGET_ASM_EXTERNAL_LIBCALL): Move to iris.h.
	(WCHAR_TYPE, WCHAR_TYPE_SIZE, TARGET_OS_CPP_BUILTINS): Delete in favor
	of more general IRIX 6 definitions.
	(OBJECT_FORMAT_ELF, ASM_OUTPUT_ASCII, ASM_WEAKEN_LABEL)
	(HANDLE_SYSV_PRAGMA): Delete in favor of elfos.h definitions.
	(TARGET_IRIX5, ABICALLS_ASM_OP, BSS_SECTION_ASM_OP, HAS_INIT_SECTION)
	(LD_INIT_SWITCH, LD_FINI_SWITCH, SUBTARGET_ASM_OPTIMIZING_SPEC)
	(ASM_FINAL_SPEC, DBX_DEBUGGING_INFO, MIPS_DEBUGGING_INFO)
	(PREFERRED_DEBUGGING_TYPE, DWARF2_UNWIND_INFO, SET_FILE_NUMBER)
	(LABEL_AFTER_LOC, DOLLARS_IN_IDENTIFIERS, NO_DOLLAR_IN_LABEL)
	(TARGET_ASM_NAMED_SECTION, EXTRA_SECTION_FUNCTIONS)
	(ASM_DECLARE_FUNCTION_SIZE, ASM_OUTPUT_WEAK_ALIAS)
	(SUBTARGET_EXTRA_SPECS): Delete definitions or undefs.
	(LINK_SPEC): Move most of definition to iris.h.
	(SUBTARGET_LINK_SPEC): New macro.
	(IRIX_STARTFILE_SPEC): Fold into...
	(STARTFILE_SPEC): ...here.
	(IRIX_ENDFILE_SPEC): Fold into...
	(ENDFILE_SPEC): ...here.
	* config/mips/iris6.h (TARGET_IRIX5): Remove override.
	(WCHAR_TYPE, WCHAR_TYPE_SIZE, WINT_TYPE, WINT_TYPE_SIZE)
	(DWARF_OFFSET_SIZE, DWARF_INITIAL_LENGTH_SIZE, SET_ASM_OP)
	(LINK_ELIMINATE_DUPLICATE_LDIRECTORIES, ASM_DECLARE_OBJECT_NAME)
	(ASM_FINISH_DECLARE_OBJECT, LOCAL_LABEL_PREFIX): Move to iris.h.
	(TARGET_OS_CPP_BUILTINS): Likewise.  Guard IRIX6-specific bits.
	(DWARF2_UNWIND_INFO, DWARF2_GENERATE_TEXT_SECTION_LABEL)
	(SUBTARGET_CPP_SPEC, DWARF2_DEBUGGING_INFO, MIPS_DEBUGGING_INFO)
	(PREFERRED_DEBUGGING_TYPE, DWARF2_FRAME_INFO, MD_EXEC_PREFIX)
	(ASM_DECLARE_FUNCTION_NAME, ASM_DECLARE_FUNCTION_SIZE)
	(FUNCTION_NAME_ALREADY_DECLARED, SUPPORTS_INIT_PRIORITY)
	(POPSECTION_ASM_OP, SUBTARGET_ASM_SPEC, SUBTARGET_MIPS_AS_ASM_SPEC)
	(SUBTARGET_ASM_DEBUGGING_SPEC, SUBTARGET_ASM_OPTIMIZING_SPEC)
	(BSS_SECTION_ASM_OP*, READONLY_DATA_SECTION_ASM_OP*)
	(EH_FRAME_SECTION_NAME, MUST_USE_SJLJ_EXCEPTIONS, CTORS_SECTION_ASM_OP)
	(DTORS_SECTION_ASM_OP, TARGET_ASM_NAMED_SECTION, EH_FRAME_SECTION_NAME)
	(ASM_OUTPUT_ALIGN, ASM_OUTPUT_FILENAME, ASM_OUTPUT_ALIGNED_LOCAL)
	(ASM_OUTPUT_ALIGNED_BSS): Remove definitions or undefs.
	(TARGET_IRIX6): Define to 1.
	(DRIVER_SELF_SPECS): Define.
	(DWARF2_FRAME_INFO): Define to 1 rather than !TARGET_SGI_O32_AS.
	(SUBTARGET_CC1_SPEC): Remove in favor of DRIVER_SELF_SPECS.
	(SUBTARGET_LINK_SPEC): New macro.
	(IRIX_STARTFILE_SPEC): Fold into...
	(STARTFILE_SPEC): ...here.  Remove !mabi=* case.
	(SUBTARGET_{,DONT_}WARN_UNUSED_SPEC): New macros.
	(LIB_SPEC, LIBGCC_SPEC): Use them.
	(LIB_SPEC): Remove !mabi=* case.
	(IRIX_ENDFILE_SPEC): Fold into...
	(ENDFILE_SPEC): ...here.  Remove !mabi=* case.
	* config/mips/mips-protos.h (irix_output_external_libcall): Delete.
	* config/mips/mips.h (TARGET_IRIX5, TARGET_SGI_O32_AS): Delete.
	(TARGET_IRIX6): New macro.
	(ASM_ABI_DEFAULT_SPEC): Remove !ELF definition.
	(MD_EXEC_PREFIX, MD_STARTFILE_PREFIX, SET_FILE_NUMBER)
	(LABEL_AFTER_LOC): Delete.
	* config/mips/mips.c (TARGET_ASM_FILE_START, TARGET_ASM_FILE_END)
	(TARGET_SECTION_TYPE_FLAGS): Remove TARGET_IRIX versions.
	(mips_build_builtin_va_list): Check TARGET_IRIX6.
	(override_options): Remove TARGET_SGI_O32_AS-related code.
	(irix_output_external_libcall): Make static.
	(mips_output_filename): Avoid use of SET_FILE_NUMBER and
	LABEL_AFTER_LOC.
	(mips_file_start): Tidy guard for ABI sections.  Remove use of
	ABICALLS_ASM_OP; use .abicalls instead.
	(mips_output_aligned_decl_common, mips_declare_object_name)
	(mips_finish_declare_object): Remove use of TARGET_SGI_O32_AS.
	(mips_output_function_prologue): Set TREE_ASM_WRITTEN if emitting
	.globl foo .text directives.
	(irix_asm_named_section_1, irix_asm_named_section)
	(irix_section_align_entry, irix_section_align_htab)
	(irix_orig_asm_out_file, irix_section_align_entry_eq)
	(irix_section_align_entry_hash, irix_asm_output_align)
	(irix_file_start, irix_section_align_1, copy_file_data)
	(irix_file_end, irix_section_type_flags): Delete.
	* config/mips/irix-crti.asm (__gcc_init): Move to .gcc_init section.
	Use standard section syntax.  Remove protective "jr $31".
	(__gcc_fini): Likewise .gcc_fini.
	* config/mips/irix-crtn.asm: Adjust sections accordingly.
	* config/mips/sdb.h (PUT_SDB_SIZE, PUT_SDB_TYPE): Moved from
	iris5gas.h.
	* config/mips/t-iris (irix-crti.o, irix-crtn.o): New rules, moved
	from t-irix-gld.
	(EXTRA_MULTILIB_PARTS): Define.
	* config/mips/t-iris6: Remove bogus comment.
	(EXTRA_MULTILIB_PARTS, CRTSTUFF_T_CFLAGS): Delete.
	* config/mips/iris5gas.h, config/mips/iris5gld.h,
	config/mips/iris6gas.h, config/mips/iris6gld.h,
	config/mips/t-iris5-as, config/mips/t-iris5-gas
	config/mips/t-irix-gld: Delete.
	* config/mips/iris.h: New file.
	* config/mips/t-slibgcc-irix: Renamed from t-iris5-6.

From-SVN: r86309

1 files changed, 10 insertions, 12 deletions

diff --git a/gcc/doc/install.texi b/gcc/doc/install.texi
index 9568897..93c0bd5 100644
--- a/gcc/doc/install.texi
+++ b/gcc/doc/install.texi
@@ -788,14 +788,13 @@ whether you use the GNU assembler.  On any other system,
 @item @samp{m68k-hp-hpux}
 @item @samp{m68000-hp-hpux}
 @item @samp{m68000-att-sysv}
-@item @samp{mips-@var{any}}
 @item @samp{sparc-sun-solaris2.@var{any}}
 @item @samp{sparc64-@var{any}-solaris2.@var{any}}
 @end itemize
 
 On the systems listed above (except for the HP-PA, the SPARC, for ISC on
-the 386, and for @samp{mips-sgi-irix5.*}), if you use the GNU assembler,
-you should also use the GNU linker (and specify @option{--with-gnu-ld}).
+the 386, if you use the GNU assembler, you should also use the GNU linker
+(and specify @option{--with-gnu-ld}).
 
 @item @anchor{with-as}--with-as=@var{pathname}
 Specify that the
@@ -3199,9 +3198,9 @@ to increase its table size for switch statements with the
 optimization option, you also need to use @option{-Olimit 3000}.
 
 To enable debugging under IRIX 5, you must use GNU binutils 2.15 or
-later, and use the @option{--with-gnu-as} and @option{--with-gnu-ld}
-@command{configure} options when configuring GCC@.  You need to use GNU
-@command{ar} and @command{nm}, also distributed with GNU binutils.
+later, and use the @option{--with-gnu-ld} @command{configure} option
+when configuring GCC@.  You need to use GNU @command{ar} and @command{nm},
+also distributed with GNU binutils.
 
 @html
 <hr />
@@ -3231,12 +3230,7 @@ test.o: ELF 64-bit MSB @dots{}
 
 then your version of @command{cc} uses the O32 or N64 ABI by default.  You
 should set the environment variable @env{CC} to @samp{cc -n32}
-before configuring GCC@.  SGI's MIPSpro 7.2 assembler may misassemble
-parts of the compiler, causing bootstrap failures.  MIPSpro 7.3 is
-known to work.  MIPSpro C 7.4 may cause bootstrap failures, too, due
-to a bug when inlining @code{memcmp}.  Either add @code{-U__INLINE_INTRINSICS}
-to the @env{CC} environment variable as a workaround or upgrade to
-MIPSpro C 7.4.1m.
+before configuring GCC@.
 
 If you want the resulting @command{gcc} to run on old 32-bit systems
 with the MIPS R4400 CPU, you need to ensure that only code for the @samp{mips3}
@@ -3259,6 +3253,10 @@ test.o: ELF N32 MSB mips-4 @dots{}
 instead, you should set the environment variable @env{CC} to @samp{cc
 -n32 -mips3} or @samp{gcc -mips3} respectively before configuring GCC@.
 
+MIPSpro C 7.4 may cause bootstrap failures, due to a bug when inlining
+@code{memcmp}.  Either add @code{-U__INLINE_INTRINSICS} to the @env{CC}
+environment variable as a workaround or upgrade to MIPSpro C 7.4.1m.
+
 GCC on IRIX 6 is usually built to support the N32, O32 and N64 ABIs.  If
 you build GCC on a system that doesn't have the N64 libraries installed
 or cannot run 64-bit binaries,