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Commit ba5f7c88 by Richard Sandiford Committed by Richard Sandiford
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200x-xx-xx Richard Sandiford <richard@codesourcery.com> Nathan Sidwell <nathan@codesourcery.com> 

gcc/
200x-xx-xx  Richard Sandiford  <richard@codesourcery.com>
	    Nathan Sidwell  <nathan@codesourcery.com>

	* config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
	(ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
	* config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
	* config/m68k/m68020-elf.h (LIB_SPEC): Delete.
	* config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
	* config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
	(ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
	(NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
	(BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
	* config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
	* config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
	(WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
	(TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
	(DBX_REGISTER_NUMBER): Delete.
	* config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
	(PCC_STATIC_STRUCT_RETURN): Don't undefine.
	* config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.

Co-Authored-By: Nathan Sidwell <nathan@codesourcery.com>

From-SVN: r120913
parent abe92a04
Showing with 36 additions and 158 deletions
gcc/ChangeLog
2007-01-18 Richard Sandiford <richard@codesourcery.com> 2007-01-18 Richard Sandiford <richard@codesourcery.com>
Nathan Sidwell <nathan@codesourcery.com>
* config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
(ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
* config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
* config/m68k/m68020-elf.h (LIB_SPEC): Delete.
* config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
* config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
(ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
(NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
(BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
* config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
* config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
(WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
(TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
(DBX_REGISTER_NUMBER): Delete.
* config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
(PCC_STATIC_STRUCT_RETURN): Don't undefine.
* config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
2007-01-18 Richard Sandiford <richard@codesourcery.com>
* config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file. * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
* config/flat.h: New file. * config/flat.h: New file.
......
gcc/config/m68k/coff.h
...@@ -46,12 +46,6 @@ Boston, MA 02110-1301, USA. */ ...@@ -46,12 +46,6 @@ Boston, MA 02110-1301, USA. */
#undef REGISTER_PREFIX #undef REGISTER_PREFIX
#define REGISTER_PREFIX "%" #define REGISTER_PREFIX "%"
/* In the machine description we can't use %R, because it will not be seen
by ASM_FPRINTF. (Isn't that a design bug?). */
#undef REGISTER_PREFIX_MD
#define REGISTER_PREFIX_MD "%%"
/* config/m68k.md has an explicit reference to the program counter, /* config/m68k.md has an explicit reference to the program counter,
prefix this by the register prefix. */ prefix this by the register prefix. */
......
gcc/config/m68k/linux.h
...@@ -58,34 +58,8 @@ Boston, MA 02110-1301, USA. */ ...@@ -58,34 +58,8 @@ Boston, MA 02110-1301, USA. */
#define ASM_COMMENT_START "|" #define ASM_COMMENT_START "|"
#undef SIZE_TYPE
#define SIZE_TYPE "unsigned int"
#undef PTRDIFF_TYPE
#define PTRDIFF_TYPE "int"
#undef WCHAR_TYPE
#define WCHAR_TYPE "long int"
#undef WCHAR_TYPE_SIZE
#define WCHAR_TYPE_SIZE BITS_PER_WORD
/* Target OS builtins. */ /* Target OS builtins. */
#define TARGET_OS_CPP_BUILTINS() \ #define TARGET_OS_CPP_BUILTINS() LINUX_TARGET_OS_CPP_BUILTINS()
do \
{ \
LINUX_TARGET_OS_CPP_BUILTINS(); \
builtin_define_std ("mc68000"); \
builtin_define_std ("mc68020"); \
} \
while (0)
#define TARGET_OBJFMT_CPP_BUILTINS() \
do \
{ \
builtin_define ("__ELF__"); \
} \
while (0)
#undef CPP_SPEC #undef CPP_SPEC
#define CPP_SPEC "%{posix:-D_POSIX_SOURCE} %{pthread:-D_REENTRANT}" #define CPP_SPEC "%{posix:-D_POSIX_SOURCE} %{pthread:-D_REENTRANT}"
...@@ -175,12 +149,6 @@ Boston, MA 02110-1301, USA. */ ...@@ -175,12 +149,6 @@ Boston, MA 02110-1301, USA. */
fprintf (FILE, "\tjbsr _mcount\n"); \ fprintf (FILE, "\tjbsr _mcount\n"); \
} }
/* How to renumber registers for dbx and gdb.
On the Sun-3, the floating point registers have numbers
18 to 25, not 16 to 23 as they do in the compiler. */
#define DBX_REGISTER_NUMBER(REGNO) ((REGNO) < 16 ? (REGNO) : (REGNO) + 2)
/* Do not break .stabs pseudos into continuations. */ /* Do not break .stabs pseudos into continuations. */
#define DBX_CONTIN_LENGTH 0 #define DBX_CONTIN_LENGTH 0
......
gcc/config/m68k/m68020-elf.h
...@@ -28,6 +28,4 @@ Boston, MA 02110-1301, USA. */ ...@@ -28,6 +28,4 @@ Boston, MA 02110-1301, USA. */
#undef STARTFILE_SPEC #undef STARTFILE_SPEC
#define STARTFILE_SPEC "crtbegin.o%s" #define STARTFILE_SPEC "crtbegin.o%s"
#define LIB_SPEC "-lc"
/* end of m68020-elf.h */ /* end of m68020-elf.h */
gcc/config/m68k/m68k-none.h
...@@ -21,12 +21,3 @@ Boston, MA 02110-1301, USA. */ ...@@ -21,12 +21,3 @@ Boston, MA 02110-1301, USA. */
#undef ASM_SPEC #undef ASM_SPEC
#define ASM_SPEC "%(asm_cpu_spec) %{fPIC:--pcrel} %{fpic:--pcrel} \ #define ASM_SPEC "%(asm_cpu_spec) %{fPIC:--pcrel} %{fpic:--pcrel} \
%{msep-data:--pcrel} %{mid-shared-library:--pcrel}" %{msep-data:--pcrel} %{mid-shared-library:--pcrel}"
/* cc1/cc1plus always receives all the -m flags. If the specs strings above
are consistent with the flags in m68k.opt, there should be no need for
any further cc1/cc1plus specs. */
#undef CC1_SPEC
#define CC1_SPEC ""
#define CPP_SUBTARGET_SPEC ""
gcc/config/m68k/m68k.h
...@@ -625,8 +625,6 @@ extern enum reg_class regno_reg_class[]; ...@@ -625,8 +625,6 @@ extern enum reg_class regno_reg_class[];
XXX This macro is m68k specific and used only for m68kemb.h. */ XXX This macro is m68k specific and used only for m68kemb.h. */
#define NEEDS_UNTYPED_CALL 0 #define NEEDS_UNTYPED_CALL 0
#define PCC_STATIC_STRUCT_RETURN
/* On the m68k, all arguments are usually pushed on the stack. */ /* On the m68k, all arguments are usually pushed on the stack. */
#define FUNCTION_ARG_REGNO_P(N) 0 #define FUNCTION_ARG_REGNO_P(N) 0
...@@ -1128,9 +1126,16 @@ do { if (cc_prev_status.flags & CC_IN_68881) \ ...@@ -1128,9 +1126,16 @@ do { if (cc_prev_status.flags & CC_IN_68881) \
sprintf (LABEL, "*%s%s%ld", LOCAL_LABEL_PREFIX, PREFIX, (long)(NUM)) sprintf (LABEL, "*%s%s%ld", LOCAL_LABEL_PREFIX, PREFIX, (long)(NUM))
#define ASM_OUTPUT_REG_PUSH(FILE,REGNO) \ #define ASM_OUTPUT_REG_PUSH(FILE,REGNO) \
asm_fprintf (FILE, "\tmovel %s,%Rsp@-\n", reg_names[REGNO]) asm_fprintf (FILE, (MOTOROLA \
? "\tmove.l %s,-(%Rsp)\n" \
: "\tmovel %s,%Rsp@-\n"), \
reg_names[REGNO])
#define ASM_OUTPUT_REG_POP(FILE,REGNO) \ #define ASM_OUTPUT_REG_POP(FILE,REGNO) \
asm_fprintf (FILE, "\tmovel %Rsp@+,%s\n", reg_names[REGNO]) asm_fprintf (FILE, (MOTOROLA \
? "\tmove.l (%Rsp)+,%s\n" \
: "\tmovel %Rsp@+,%s\n"), \
reg_names[REGNO])
/* The m68k does not use absolute case-vectors, but we must define this macro /* The m68k does not use absolute case-vectors, but we must define this macro
anyway. */ anyway. */
......
gcc/config/m68k/m68kelf.h
...@@ -28,7 +28,7 @@ Boston, MA 02110-1301, USA. */ ...@@ -28,7 +28,7 @@ Boston, MA 02110-1301, USA. */
#define SWBEG_ASM_OP "\t.swbeg\t" #define SWBEG_ASM_OP "\t.swbeg\t"
#endif #endif
/* Here are four prefixes that are used by asm_fprintf to /* Here are three prefixes that are used by asm_fprintf to
facilitate customization for alternate assembler syntaxes. facilitate customization for alternate assembler syntaxes.
Machines with no likelihood of an alternate syntax need not Machines with no likelihood of an alternate syntax need not
define these and need not use asm_fprintf. */ define these and need not use asm_fprintf. */
...@@ -51,17 +51,6 @@ Boston, MA 02110-1301, USA. */ ...@@ -51,17 +51,6 @@ Boston, MA 02110-1301, USA. */
#undef USER_LABEL_PREFIX #undef USER_LABEL_PREFIX
#define USER_LABEL_PREFIX "" #define USER_LABEL_PREFIX ""
/* The prefix for immediate operands. */
#undef IMMEDIATE_PREFIX
#define IMMEDIATE_PREFIX "#"
/* In the machine description we can't use %R, because it will not be seen
by ASM_FPRINTF. (Isn't that a design bug?). */
#undef REGISTER_PREFIX_MD
#define REGISTER_PREFIX_MD "%%"
/* config/m68k.md has an explicit reference to the program counter, /* config/m68k.md has an explicit reference to the program counter,
prefix this by the register prefix. */ prefix this by the register prefix. */
...@@ -88,39 +77,6 @@ do { \ ...@@ -88,39 +77,6 @@ do { \
fprintf ((FILE), "%s%u\n", ALIGN_ASM_OP, 1 << (LOG)); \ fprintf ((FILE), "%s%u\n", ALIGN_ASM_OP, 1 << (LOG)); \
} while (0) } while (0)
/* Use proper assembler syntax for these macros. */
#undef ASM_OUTPUT_REG_PUSH
#define ASM_OUTPUT_REG_PUSH(FILE,REGNO) \
asm_fprintf (FILE, "\t%Omove.l %s,-(%Rsp)\n", reg_names[REGNO])
#undef ASM_OUTPUT_REG_POP
#define ASM_OUTPUT_REG_POP(FILE,REGNO) \
asm_fprintf (FILE, "\t%Omove.l (%Rsp)+,%s\n", reg_names[REGNO])
/* Override the definition of NO_DOLLAR_IN_LABEL in svr4.h, for special
g++ assembler names. When this is defined, g++ uses embedded '.'
characters and some m68k assemblers have problems with this. The
chances are much greater that any particular assembler will permit
embedded '$' characters. */
#undef NO_DOLLAR_IN_LABEL
/* Define PCC_STATIC_STRUCT_RETURN if the convention on the target machine
is to use the nonreentrant technique for returning structure and union
values, as commonly implemented by the AT&T Portable C Compiler (PCC).
When defined, the gcc option -fpcc-struct-return can be used to cause
this form to be generated. When undefined, the option does nothing.
For m68k SVR4, the convention is to use a reentrant technique compatible
with the gcc default, so override the definition of this macro in m68k.h */
#undef PCC_STATIC_STRUCT_RETURN
/* Local common symbols are declared to the assembler with ".lcomm" rather
than ".bss", so override the definition in svr4.h */
#undef BSS_ASM_OP
#define BSS_ASM_OP "\t.lcomm\t"
/* Register in which address to store a structure value is passed to a /* Register in which address to store a structure value is passed to a
function. The default in m68k.h is a1. For m68k/SVR4 it is a0. */ function. The default in m68k.h is a1. For m68k/SVR4 it is a0. */
...@@ -137,16 +93,6 @@ do { \ ...@@ -137,16 +93,6 @@ do { \
#undef DBX_REGISTER_NUMBER #undef DBX_REGISTER_NUMBER
#define DBX_REGISTER_NUMBER(REGNO) (REGNO) #define DBX_REGISTER_NUMBER(REGNO) (REGNO)
/* The ASM_OUTPUT_SKIP macro is first defined in m68k.h, using ".skip".
It is then overridden by m68k/sgs.h to use ".space", and again by svr4.h
to use ".zero". The m68k/SVR4 assembler uses ".space", so repeat the
definition from m68k/sgs.h here. Note that ASM_NO_SKIP_IN_TEXT is
defined in m68k/sgs.h, so we don't have to repeat it here. */
#undef ASM_OUTPUT_SKIP
#define ASM_OUTPUT_SKIP(FILE,SIZE) \
fprintf (FILE, "%s%u\n", SPACE_ASM_OP, (int)(SIZE))
#if 0 #if 0
/* SVR4 m68k assembler is bitching on the `comm i,1,1' which askes for /* SVR4 m68k assembler is bitching on the `comm i,1,1' which askes for
1 byte alignment. Don't generate alignment for COMMON seems to be 1 byte alignment. Don't generate alignment for COMMON seems to be
...@@ -156,39 +102,6 @@ do { \ ...@@ -156,39 +102,6 @@ do { \
#undef ASM_OUTPUT_ALIGNED_LOCAL #undef ASM_OUTPUT_ALIGNED_LOCAL
#endif #endif
/* The `string' directive on m68k svr4 does not handle string with
escape char (i.e., `\') right. Use normal way to output ASCII bytes
seems to be safer. */
#undef ASM_OUTPUT_ASCII
#define ASM_OUTPUT_ASCII(FILE,PTR,LEN) \
do { \
register int sp = 0, ch; \
fputs (integer_asm_op (1, TRUE), (FILE)); \
do { \
ch = (PTR)[sp]; \
if (ch > ' ' && ! (ch & 0x80) && ch != '\\') \
{ \
fprintf ((FILE), "'%c", ch); \
} \
else \
{ \
fprintf ((FILE), "0x%x", ch); \
} \
if (++sp < (LEN)) \
{ \
if ((sp % 10) == 0) \
{ \
fprintf ((FILE), "\n%s", integer_asm_op (1, TRUE)); \
} \
else \
{ \
putc (',', (FILE)); \
} \
} \
} while (sp < (LEN)); \
putc ('\n', (FILE)); \
} while (0)
#undef ASM_OUTPUT_COMMON #undef ASM_OUTPUT_COMMON
#undef ASM_OUTPUT_LOCAL #undef ASM_OUTPUT_LOCAL
#define ASM_OUTPUT_COMMON(FILE, NAME, SIZE, ROUNDED) \ #define ASM_OUTPUT_COMMON(FILE, NAME, SIZE, ROUNDED) \
......
gcc/config/m68k/m68kemb.h
...@@ -14,10 +14,6 @@ ...@@ -14,10 +14,6 @@
so we define PCC_BITFIELD_TYPE_MATTERS. */ so we define PCC_BITFIELD_TYPE_MATTERS. */
#define PCC_BITFIELD_TYPE_MATTERS 1 #define PCC_BITFIELD_TYPE_MATTERS 1
/* Undef PCC_STATIC_STRUCT_RETURN so that we get a re-entrant calling
convention. */
#undef PCC_STATIC_STRUCT_RETURN
/* Don't default to pcc-struct-return, so that we can return small structures /* Don't default to pcc-struct-return, so that we can return small structures
and unions in registers, which is slightly more efficient. */ and unions in registers, which is slightly more efficient. */
#define DEFAULT_PCC_STRUCT_RETURN 0 #define DEFAULT_PCC_STRUCT_RETURN 0
......
gcc/config/m68k/netbsd-elf.h
...@@ -134,12 +134,6 @@ while (0) ...@@ -134,12 +134,6 @@ while (0)
#define USER_LABEL_PREFIX "" #define USER_LABEL_PREFIX ""
/* The prefix for immediate operands. */
#undef IMMEDIATE_PREFIX
#define IMMEDIATE_PREFIX "#"
#undef ASM_COMMENT_START #undef ASM_COMMENT_START
#define ASM_COMMENT_START "|" #define ASM_COMMENT_START "|"
...@@ -329,12 +323,6 @@ while (0) ...@@ -329,12 +323,6 @@ while (0)
#define BIGGEST_ALIGNMENT 64 #define BIGGEST_ALIGNMENT 64
/* For m68k SVR4, structures are returned using the reentrant
technique. */
#undef PCC_STATIC_STRUCT_RETURN
/* The svr4 ABI for the m68k says that records and unions are returned /* The svr4 ABI for the m68k says that records and unions are returned
in memory. */ in memory. */
......
gcc/config/m68k/openbsd.h
...@@ -73,6 +73,10 @@ Boston, MA 02110-1301, USA. */ ...@@ -73,6 +73,10 @@ Boston, MA 02110-1301, USA. */
/* Stack & calling: aggregate returns. */ /* Stack & calling: aggregate returns. */
/* ??? This is traditional, but quite possibly wrong. It appears to
disagree with gdb. */
#define PCC_STATIC_STRUCT_RETURN 1
/* Don't default to pcc-struct-return, because gcc is the only compiler, and /* Don't default to pcc-struct-return, because gcc is the only compiler, and
we want to retain compatibility with older gcc versions. */ we want to retain compatibility with older gcc versions. */
#define DEFAULT_PCC_STRUCT_RETURN 0 #define DEFAULT_PCC_STRUCT_RETURN 0
......
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