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(ASM_SPEC): Define.

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(STRUCT_VALUE_REGNUM, STATIC_CHAIN_REGNUM, INITIALIZE_TRAMPOLINE):
Remove definitions, undoing the change of Mar 20 1996.

From-SVN: r13894
This commit is contained in:
Richard Kenner 1997-04-13 15:34:53 -04:00
parent 75ef7cf8da
commit 53c87bfd9c
1 changed files with 7 additions and 31 deletions
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38
gcc/config/m68k/linux.h
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@ -112,6 +112,13 @@ Boston, MA 02111-1307, USA. */
"%{fPIC:-D__PIC__ -D__pic__} %{fpic:-D__PIC__ -D__pic__} %{m68881:-D__HAVE_68881__} %{posix:-D_POSIX_SOURCE}"
#endif
/* We override the ASM_SPEC from svr4.h because we must pass -m68040 down
to the assembler. */
#undef ASM_SPEC
#define ASM_SPEC \
"%{v:-V} %{Qy:} %{!Qn:-Qy} %{n} %{T} %{Ym,*} %{Yd,*} %{Wa,*:%*} \
%{m68040} %{m68060:-m68040}"
/* Provide a LINK_SPEC appropriate for Linux. Here we provide support
for the special GCC options -static and -shared, which allow us to
link things in one of these three modes by applying the appropriate
@ -199,19 +206,6 @@ Boston, MA 02111-1307, USA. */
fprintf (FILE, "\tjbsr _mcount\n"); \
}
/* 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. */
#undef STRUCT_VALUE_REGNUM
#define STRUCT_VALUE_REGNUM 8
/* Register in which static-chain is passed to a function. The
default in m68k.h is a0, but that is already the struct value
regnum. Make it a1 instead. */
#undef STATIC_CHAIN_REGNUM
#define STATIC_CHAIN_REGNUM 9
/* 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. */
@ -306,24 +300,6 @@ do { \
#undef PCC_STATIC_STRUCT_RETURN
#define DEFAULT_PCC_STRUCT_RETURN 0
/* Emit RTL insns to initialize the variable parts of a trampoline.
FNADDR is an RTX for the address of the function's pure code.
CXT is an RTX for the static chain value for the function. */
/* This is different from the generic version in that we use a1 as the
static call chain. */
#undef INITIALIZE_TRAMPOLINE
#define INITIALIZE_TRAMPOLINE(TRAMP, FNADDR, CXT) \
{ \
emit_move_insn (gen_rtx (MEM, HImode, TRAMP), GEN_INT (0x227C)); \
emit_move_insn (gen_rtx (MEM, SImode, plus_constant (TRAMP, 2)), CXT); \
emit_move_insn (gen_rtx (MEM, HImode, plus_constant (TRAMP, 6)), \
GEN_INT (0x4EF9)); \
emit_move_insn (gen_rtx (MEM, SImode, plus_constant (TRAMP, 8)), FNADDR); \
FINALIZE_TRAMPOLINE (TRAMP); \
}
/* Finalize the trampoline by flushing the insn cache. */
#undef FINALIZE_TRAMPOLINE