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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 38 additions and 160 deletions
gcc/ChangeLog
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/flat.h: New file.
......
gcc/config/m68k/coff.h
......@@ -46,12 +46,6 @@ Boston, MA 02110-1301, USA. */
#undef 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,
prefix this by the register prefix. */
......
gcc/config/m68k/linux.h
......@@ -58,34 +58,8 @@ Boston, MA 02110-1301, USA. */
#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. */
#define 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)
#define TARGET_OS_CPP_BUILTINS() LINUX_TARGET_OS_CPP_BUILTINS()
#undef CPP_SPEC
#define CPP_SPEC "%{posix:-D_POSIX_SOURCE} %{pthread:-D_REENTRANT}"
......@@ -175,12 +149,6 @@ Boston, MA 02110-1301, USA. */
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. */
#define DBX_CONTIN_LENGTH 0
......
gcc/config/m68k/m68020-elf.h
......@@ -28,6 +28,4 @@ Boston, MA 02110-1301, USA. */
#undef STARTFILE_SPEC
#define STARTFILE_SPEC "crtbegin.o%s"
#define LIB_SPEC "-lc"
/* end of m68020-elf.h */
gcc/config/m68k/m68k-none.h
......@@ -21,12 +21,3 @@ Boston, MA 02110-1301, USA. */
#undef ASM_SPEC
#define ASM_SPEC "%(asm_cpu_spec) %{fPIC:--pcrel} %{fpic:--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[];
XXX This macro is m68k specific and used only for m68kemb.h. */
#define NEEDS_UNTYPED_CALL 0
#define PCC_STATIC_STRUCT_RETURN
/* On the m68k, all arguments are usually pushed on the stack. */
#define FUNCTION_ARG_REGNO_P(N) 0
......@@ -1127,10 +1125,17 @@ do { if (cc_prev_status.flags & CC_IN_68881) \
#define ASM_GENERATE_INTERNAL_LABEL(LABEL,PREFIX,NUM) \
sprintf (LABEL, "*%s%s%ld", LOCAL_LABEL_PREFIX, PREFIX, (long)(NUM))
#define ASM_OUTPUT_REG_PUSH(FILE,REGNO) \
asm_fprintf (FILE, "\tmovel %s,%Rsp@-\n", reg_names[REGNO])
#define ASM_OUTPUT_REG_POP(FILE,REGNO) \
asm_fprintf (FILE, "\tmovel %Rsp@+,%s\n", reg_names[REGNO])
#define ASM_OUTPUT_REG_PUSH(FILE,REGNO) \
asm_fprintf (FILE, (MOTOROLA \
? "\tmove.l %s,-(%Rsp)\n" \
: "\tmovel %s,%Rsp@-\n"), \
reg_names[REGNO])
#define ASM_OUTPUT_REG_POP(FILE,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
anyway. */
......
gcc/config/m68k/m68kelf.h
......@@ -28,7 +28,7 @@ Boston, MA 02110-1301, USA. */
#define SWBEG_ASM_OP "\t.swbeg\t"
#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.
Machines with no likelihood of an alternate syntax need not
define these and need not use asm_fprintf. */
......@@ -51,17 +51,6 @@ Boston, MA 02110-1301, USA. */
#undef 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,
prefix this by the register prefix. */
......@@ -88,39 +77,6 @@ do { \
fprintf ((FILE), "%s%u\n", ALIGN_ASM_OP, 1 << (LOG)); \
} 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
function. The default in m68k.h is a1. For m68k/SVR4 it is a0. */
......@@ -137,16 +93,6 @@ do { \
#undef DBX_REGISTER_NUMBER
#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
/* 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
......@@ -156,39 +102,6 @@ do { \
#undef ASM_OUTPUT_ALIGNED_LOCAL
#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_LOCAL
#define ASM_OUTPUT_COMMON(FILE, NAME, SIZE, ROUNDED) \
......
gcc/config/m68k/m68kemb.h
......@@ -14,10 +14,6 @@
so we define PCC_BITFIELD_TYPE_MATTERS. */
#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
and unions in registers, which is slightly more efficient. */
#define DEFAULT_PCC_STRUCT_RETURN 0
......
gcc/config/m68k/netbsd-elf.h
......@@ -134,12 +134,6 @@ while (0)
#define USER_LABEL_PREFIX ""
/* The prefix for immediate operands. */
#undef IMMEDIATE_PREFIX
#define IMMEDIATE_PREFIX "#"
#undef ASM_COMMENT_START
#define ASM_COMMENT_START "|"
......@@ -329,12 +323,6 @@ while (0)
#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
in memory. */
......
gcc/config/m68k/openbsd.h
......@@ -73,6 +73,10 @@ Boston, MA 02110-1301, USA. */
/* 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
we want to retain compatibility with older gcc versions. */
#define DEFAULT_PCC_STRUCT_RETURN 0
......
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