tm.texi.in (ASM_OUTPUT_BSS): Remove documentation.

	* doc/tm.texi.in (ASM_OUTPUT_BSS): Remove documentation.
	(BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS): Update documentation.
	* doc/tm.texi: Regenerate.
	* system.h (ASM_OUTPUT_BSS): Poison.
	* varasm.c (asm_output_bss): Remove function.
	(emit_bss, init_varasm_once): Don't use ASM_OUTPUT_BSS macro.
	
	* config/frv/frv.h (BSS_SECTION_ASM_OP): Remove comment.
	* config/frv/fr30.h (BSS_SECTION_ASM_OP): Likewise.
	* config/i386/djgpp.h (BSS_SECTION_ASM_OP): Likewise.
	* config/i386/i386elf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
	Likewise.
	* config/sh/sh.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
	Likewise.
	* config/m68k/m68kelf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
	Likewise.
	* config/m68k/netbsd-elf.h (ASM_OUTPUT_ALIGNED_BSS): Likewise.

From-SVN: r172166

7 files changed, 1 insertions, 77 deletions

diff --git a/gcc/config/fr30/fr30.h b/gcc/config/fr30/fr30.h
index 8951045..ca483fa 100644
--- a/gcc/config/fr30/fr30.h
+++ b/gcc/config/fr30/fr30.h
@@ -702,13 +702,6 @@ enum reg_class
    `".data"' is right.  */
 #define DATA_SECTION_ASM_OP "\t.data"
 
-/* If defined, a C expression whose value is a string containing the
-   assembler operation to identify the following data as
-   uninitialized global data.  If not defined, and neither
-   `ASM_OUTPUT_BSS' nor `ASM_OUTPUT_ALIGNED_BSS' are defined,
-   uninitialized global data will be output in the data section if
-   `-fno-common' is passed, otherwise `ASM_OUTPUT_COMMON' will be
-   used.  */
 #define BSS_SECTION_ASM_OP "\t.section .bss"
 
 /*}}}*/ 
diff --git a/gcc/config/frv/frv.h b/gcc/config/frv/frv.h
index 5d20682..937ae18 100644
--- a/gcc/config/frv/frv.h
+++ b/gcc/config/frv/frv.h
@@ -1574,13 +1574,6 @@ __asm__("\n"								\
    `".data"' is right.  */
 #define DATA_SECTION_ASM_OP "\t.data"
 
-/* If defined, a C expression whose value is a string containing the
-   assembler operation to identify the following data as
-   uninitialized global data.  If not defined, and neither
-   `ASM_OUTPUT_BSS' nor `ASM_OUTPUT_ALIGNED_BSS' are defined,
-   uninitialized global data will be output in the data section if
-   `-fno-common' is passed, otherwise `ASM_OUTPUT_COMMON' will be
-   used.  */
 #define BSS_SECTION_ASM_OP "\t.section .bss,\"aw\""
 
 /* Short Data Support */
diff --git a/gcc/config/i386/djgpp.h b/gcc/config/i386/djgpp.h
index d8af241..d1109a2 100644
--- a/gcc/config/i386/djgpp.h
+++ b/gcc/config/i386/djgpp.h
@@ -24,13 +24,6 @@ along with GCC; see the file COPYING3.  If not see
 /* Don't assume anything about the header files.  */
 #define NO_IMPLICIT_EXTERN_C
 
-/* If defined, a C expression whose value is a string containing the
-   assembler operation to identify the following data as
-   uninitialized global data.  If not defined, and neither
-   `ASM_OUTPUT_BSS' nor `ASM_OUTPUT_ALIGNED_BSS' are defined,
-   uninitialized global data will be output in the data section if
-   `-fno-common' is passed, otherwise `ASM_OUTPUT_COMMON' will be
-   used.  */
 #undef BSS_SECTION_ASM_OP
 #define BSS_SECTION_ASM_OP "\t.section\t.bss"
 
diff --git a/gcc/config/i386/i386elf.h b/gcc/config/i386/i386elf.h
index eb9797a..1b942cb 100644
--- a/gcc/config/i386/i386elf.h
+++ b/gcc/config/i386/i386elf.h
@@ -100,24 +100,9 @@ along with GCC; see the file COPYING3.  If not see
 /* Switch into a generic section.  */
 #define TARGET_ASM_NAMED_SECTION  default_elf_asm_named_section
 
-/* If defined, a C expression whose value is a string containing the
-   assembler operation to identify the following data as
-   uninitialized global data.  If not defined, and neither
-   `ASM_OUTPUT_BSS' nor `ASM_OUTPUT_ALIGNED_BSS' are defined,
-   uninitialized global data will be output in the data section if
-   `-fno-common' is passed, otherwise `ASM_OUTPUT_COMMON' will be
-   used.  */
 #undef BSS_SECTION_ASM_OP
 #define BSS_SECTION_ASM_OP "\t.section\t.bss"
 
-/* Like `ASM_OUTPUT_BSS' except takes the required alignment as a
-   separate, explicit argument.  If you define this macro, it is used
-   in place of `ASM_OUTPUT_BSS', and gives you more flexibility in
-   handling the required alignment of the variable.  The alignment is
-   specified as the number of bits.
-
-   Try to use function `asm_output_aligned_bss' defined in file
-   `varasm.c' when defining this macro.  */
 #undef ASM_OUTPUT_ALIGNED_BSS
 #define ASM_OUTPUT_ALIGNED_BSS(FILE, DECL, NAME, SIZE, ALIGN) \
   asm_output_aligned_bss (FILE, DECL, NAME, SIZE, ALIGN)
diff --git a/gcc/config/m68k/m68kelf.h b/gcc/config/m68k/m68kelf.h
index d3fc41a..a9e37be 100644
--- a/gcc/config/m68k/m68kelf.h
+++ b/gcc/config/m68k/m68kelf.h
@@ -1,7 +1,7 @@
 /* m68kelf support, derived from m68kv4.h */
 
 /* Target definitions for GNU compiler for mc680x0 running System V.4
-   Copyright (C) 1991, 1993, 2000, 2002, 2003, 2004, 2007, 2010
+   Copyright (C) 1991, 1993, 2000, 2002, 2003, 2004, 2007, 2010, 2011
    Free Software Foundation, Inc.
 
    Written by Ron Guilmette (rfg@netcom.com) and Fred Fish (fnf@cygnus.com).
@@ -139,25 +139,10 @@ do {								\
 #undef	STARTFILE_SPEC
 #define STARTFILE_SPEC "crtbegin.o%s"
 
-/* If defined, a C expression whose value is a string containing the
-   assembler operation to identify the following data as
-   uninitialized global data.  If not defined, and neither
-   `ASM_OUTPUT_BSS' nor `ASM_OUTPUT_ALIGNED_BSS' are defined,
-   uninitialized global data will be output in the data section if
-   `-fno-common' is passed, otherwise `ASM_OUTPUT_COMMON' will be
-   used.  */
 #ifndef BSS_SECTION_ASM_OP
 #define BSS_SECTION_ASM_OP	"\t.section\t.bss"
 #endif
 
-/* Like `ASM_OUTPUT_BSS' except takes the required alignment as a
-   separate, explicit argument.  If you define this macro, it is used
-   in place of `ASM_OUTPUT_BSS', and gives you more flexibility in
-   handling the required alignment of the variable.  The alignment is
-   specified as the number of bits.
-
-   Try to use function `asm_output_aligned_bss' defined in file
-   `varasm.c' when defining this macro.  */
 #ifndef ASM_OUTPUT_ALIGNED_BSS
 #define ASM_OUTPUT_ALIGNED_BSS(FILE, DECL, NAME, SIZE, ALIGN) \
   asm_output_aligned_bss (FILE, DECL, NAME, SIZE, ALIGN)
diff --git a/gcc/config/m68k/netbsd-elf.h b/gcc/config/m68k/netbsd-elf.h
index acad40f..725f71b 100644
--- a/gcc/config/m68k/netbsd-elf.h
+++ b/gcc/config/m68k/netbsd-elf.h
@@ -171,15 +171,6 @@ while (0)
 #define BSS_SECTION_ASM_OP	".section\t.bss"
 
 
-/* Like `ASM_OUTPUT_BSS' except takes the required alignment as a
-   separate, explicit argument.  If you define this macro, it is used
-   in place of `ASM_OUTPUT_BSS', and gives you more flexibility in
-   handling the required alignment of the variable.  The alignment is
-   specified as the number of bits.
-
-   Try to use function `asm_output_aligned_bss' defined in file
-   `varasm.c' when defining this macro.  */
-
 #undef ASM_OUTPUT_ALIGNED_BSS
 #define ASM_OUTPUT_ALIGNED_BSS(FILE, DECL, NAME, SIZE, ALIGN)		\
   asm_output_aligned_bss (FILE, DECL, NAME, SIZE, ALIGN)
diff --git a/gcc/config/sh/sh.h b/gcc/config/sh/sh.h
index 9df2ea4..1e4dd7a 100644
--- a/gcc/config/sh/sh.h
+++ b/gcc/config/sh/sh.h
@@ -2113,26 +2113,10 @@ struct sh_args {
 # endif
 #endif
 
-
-/* If defined, a C expression whose value is a string containing the
-   assembler operation to identify the following data as
-   uninitialized global data.  If not defined, and neither
-   `ASM_OUTPUT_BSS' nor `ASM_OUTPUT_ALIGNED_BSS' are defined,
-   uninitialized global data will be output in the data section if
-   `-fno-common' is passed, otherwise `ASM_OUTPUT_COMMON' will be
-   used.  */
 #ifndef BSS_SECTION_ASM_OP
 #define BSS_SECTION_ASM_OP	"\t.section\t.bss"
 #endif
 
-/* Like `ASM_OUTPUT_BSS' except takes the required alignment as a
-   separate, explicit argument.  If you define this macro, it is used
-   in place of `ASM_OUTPUT_BSS', and gives you more flexibility in
-   handling the required alignment of the variable.  The alignment is
-   specified as the number of bits.
-
-   Try to use function `asm_output_aligned_bss' defined in file
-   `varasm.c' when defining this macro.  */
 #ifndef ASM_OUTPUT_ALIGNED_BSS
 #define ASM_OUTPUT_ALIGNED_BSS(FILE, DECL, NAME, SIZE, ALIGN) \
   asm_output_aligned_bss (FILE, DECL, NAME, SIZE, ALIGN)