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riscv-gcc-1
Commit b3ab657f by Doug Evans
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Initial revision 

From-SVN: r8497
parent 0d64f74c
Showing with 914 additions and 0 deletions
gcc/config/sparc/aout.h 0 → 100644
/* Definitions of target machine for GNU compiler, for SPARC using a.out.
Copyright (C) 1994 Free Software Foundation, Inc.
Contributed by Michael Tiemann (tiemann@cygnus.com).
This file is part of GNU CC.
GNU CC is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
GNU CC is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with GNU CC; see the file COPYING. If not, write to
the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
#include "aoutos.h" /* A.out definitions */
#include "sparc/sparc.h" /* SPARC definitions */
#undef CPP_PREDEFINES
#define CPP_PREDEFINES "-Dsparc -D__GCC_NEW_VARARGS__"
gcc/config/sparc/lb1spl.asm 0 → 100644
/* This is an assembly language implementation of libgcc1.c for the sparclite
processor.
These routines are all from the Sparclite User's Guide, slightly edited
to match the desired calling convention, and also to optimize them. */
#ifdef L_udivsi3
.text
.align 4
.global .udiv
.proc 04
.udiv:
wr %g0,%g0,%y ! Not a delayed write for sparclite
tst %g0
divscc %o0,%o1,%g1
divscc %g1,%o1,%g1
divscc %g1,%o1,%g1
divscc %g1,%o1,%g1
divscc %g1,%o1,%g1
divscc %g1,%o1,%g1
divscc %g1,%o1,%g1
divscc %g1,%o1,%g1
divscc %g1,%o1,%g1
divscc %g1,%o1,%g1
divscc %g1,%o1,%g1
divscc %g1,%o1,%g1
divscc %g1,%o1,%g1
divscc %g1,%o1,%g1
divscc %g1,%o1,%g1
divscc %g1,%o1,%g1
divscc %g1,%o1,%g1
divscc %g1,%o1,%g1
divscc %g1,%o1,%g1
divscc %g1,%o1,%g1
divscc %g1,%o1,%g1
divscc %g1,%o1,%g1
divscc %g1,%o1,%g1
divscc %g1,%o1,%g1
divscc %g1,%o1,%g1
divscc %g1,%o1,%g1
divscc %g1,%o1,%g1
divscc %g1,%o1,%g1
divscc %g1,%o1,%g1
divscc %g1,%o1,%g1
divscc %g1,%o1,%g1
retl
divscc %g1,%o1,%o0
#endif
#ifdef L_umodsi3
.text
.align 4
.global .urem
.proc 04
.urem:
wr %g0,%g0,%y ! Not a delayed write for sparclite
tst %g0
divscc %o0,%o1,%g1
divscc %g1,%o1,%g1
divscc %g1,%o1,%g1
divscc %g1,%o1,%g1
divscc %g1,%o1,%g1
divscc %g1,%o1,%g1
divscc %g1,%o1,%g1
divscc %g1,%o1,%g1
divscc %g1,%o1,%g1
divscc %g1,%o1,%g1
divscc %g1,%o1,%g1
divscc %g1,%o1,%g1
divscc %g1,%o1,%g1
divscc %g1,%o1,%g1
divscc %g1,%o1,%g1
divscc %g1,%o1,%g1
divscc %g1,%o1,%g1
divscc %g1,%o1,%g1
divscc %g1,%o1,%g1
divscc %g1,%o1,%g1
divscc %g1,%o1,%g1
divscc %g1,%o1,%g1
divscc %g1,%o1,%g1
divscc %g1,%o1,%g1
divscc %g1,%o1,%g1
divscc %g1,%o1,%g1
divscc %g1,%o1,%g1
divscc %g1,%o1,%g1
divscc %g1,%o1,%g1
divscc %g1,%o1,%g1
divscc %g1,%o1,%g1
divscc %g1,%o1,%g1
bl 1f
rd %y,%o0
retl
nop
1: retl
add %o0,%o1,%o0
#endif
#ifdef L_divsi3
.text
.align 4
.global .div
.proc 04
! ??? This routine could be made faster if was optimized, and if it was
! rewritten to only calculate the quotient.
.div:
wr %g0,%g0,%y ! Not a delayed write for sparclite
mov %o1,%o4
tst %o1
bl,a 1f
sub %g0,%o4,%o4
1: tst %o0
bl,a 2f
mov -1,%y
2: divscc %o0,%o4,%g1
divscc %g1,%o4,%g1
divscc %g1,%o4,%g1
divscc %g1,%o4,%g1
divscc %g1,%o4,%g1
divscc %g1,%o4,%g1
divscc %g1,%o4,%g1
divscc %g1,%o4,%g1
divscc %g1,%o4,%g1
divscc %g1,%o4,%g1
divscc %g1,%o4,%g1
divscc %g1,%o4,%g1
divscc %g1,%o4,%g1
divscc %g1,%o4,%g1
divscc %g1,%o4,%g1
divscc %g1,%o4,%g1
divscc %g1,%o4,%g1
divscc %g1,%o4,%g1
divscc %g1,%o4,%g1
divscc %g1,%o4,%g1
divscc %g1,%o4,%g1
divscc %g1,%o4,%g1
divscc %g1,%o4,%g1
divscc %g1,%o4,%g1
divscc %g1,%o4,%g1
divscc %g1,%o4,%g1
divscc %g1,%o4,%g1
divscc %g1,%o4,%g1
divscc %g1,%o4,%g1
divscc %g1,%o4,%g1
divscc %g1,%o4,%g1
divscc %g1,%o4,%g1
be 6f
mov %y,%o3
bg 4f
addcc %o3,%o4,%g0
be,a 6f
mov %g0,%o3
tst %o0
bl 5f
tst %g1
ba 5f
add %o3,%o4,%o3
4: subcc %o3,%o4,%g0
be,a 6f
mov %g0,%o3
tst %o0
bge 5f
tst %g1
sub %o3,%o4,%o3
5: bl,a 6f
add %g1,1,%g1
6: tst %o1
bl,a 7f
sub %g0,%g1,%g1
7: retl
mov %g1,%o0 ! Quotient is in %g1.
#endif
#ifdef L_modsi3
.text
.align 4
.global .rem
.proc 04
! ??? This routine could be made faster if was optimized, and if it was
! rewritten to only calculate the remainder.
.rem:
wr %g0,%g0,%y ! Not a delayed write for sparclite
mov %o1,%o4
tst %o1
bl,a 1f
sub %g0,%o4,%o4
1: tst %o0
bl,a 2f
mov -1,%y
2: divscc %o0,%o4,%g1
divscc %g1,%o4,%g1
divscc %g1,%o4,%g1
divscc %g1,%o4,%g1
divscc %g1,%o4,%g1
divscc %g1,%o4,%g1
divscc %g1,%o4,%g1
divscc %g1,%o4,%g1
divscc %g1,%o4,%g1
divscc %g1,%o4,%g1
divscc %g1,%o4,%g1
divscc %g1,%o4,%g1
divscc %g1,%o4,%g1
divscc %g1,%o4,%g1
divscc %g1,%o4,%g1
divscc %g1,%o4,%g1
divscc %g1,%o4,%g1
divscc %g1,%o4,%g1
divscc %g1,%o4,%g1
divscc %g1,%o4,%g1
divscc %g1,%o4,%g1
divscc %g1,%o4,%g1
divscc %g1,%o4,%g1
divscc %g1,%o4,%g1
divscc %g1,%o4,%g1
divscc %g1,%o4,%g1
divscc %g1,%o4,%g1
divscc %g1,%o4,%g1
divscc %g1,%o4,%g1
divscc %g1,%o4,%g1
divscc %g1,%o4,%g1
divscc %g1,%o4,%g1
be 6f
mov %y,%o3
bg 4f
addcc %o3,%o4,%g0
be,a 6f
mov %g0,%o3
tst %o0
bl 5f
tst %g1
ba 5f
add %o3,%o4,%o3
4: subcc %o3,%o4,%g0
be,a 6f
mov %g0,%o3
tst %o0
bge 5f
tst %g1
sub %o3,%o4,%o3
5: bl,a 6f
add %g1,1,%g1
6: tst %o1
bl,a 7f
sub %g0,%g1,%g1
7: retl
mov %o3,%o0 ! Remainder is in %o3.
#endif
gcc/config/sparc/litecoff.h 0 → 100644
/* Definitions of target machine for GNU compiler, for SPARClite w/o FPU, COFF.
Copyright (C) 1994 Free Software Foundation, Inc.
Written by Ken Raeburn (raeburn@cygnus.com).
This file is part of GNU CC.
GNU CC is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
GNU CC is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with GNU CC; see the file COPYING. If not, write to
the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
#include "sparc/lite.h"
#undef ASM_OUTPUT_IDENT
/* This is copied from final.c and sparc.h. */
#undef ASM_OUTPUT_SOURCE_LINE
#define ASM_OUTPUT_SOURCE_LINE(FILE, LINE) \
{ if (write_symbols == SDB_DEBUG) { \
fprintf ((FILE), "\t.ln\t%d\n", \
((sdb_begin_function_line > -1) \
? (LINE) - sdb_begin_function_line : 1)); \
} else if (write_symbols == DBX_DEBUG) { \
static int sym_lineno = 1; \
fprintf ((FILE), ".stabn 68,0,%d,LM%d\nLM%d:\n", \
(LINE), sym_lineno, sym_lineno); \
sym_lineno += 1; \
} }
#undef SELECT_SECTION
#undef SELECT_RTX_SECTION
#define BSS_SECTION_ASM_OP ".section\t\".bss\""
#include "svr3.h"
#undef CPP_PREDEFINES
#define CPP_PREDEFINES "-Dsparc -Dsparclite -Acpu(sparc) -Amachine(sparc)"
/* just in case */
#undef DBX_DEBUGGING_INFO
#undef PREFERRED_DEBUGGING_TYPE
#define DBX_DEBUGGING_INFO
#define PREFERRED_DEBUGGING_TYPE DBX_DEBUG
/* Support the ctors and dtors sections for g++. */
#undef INIT_SECTION_ASM_OP
/* Support the ctors and dtors sections for g++. */
#undef CTORS_SECTION_ASM_OP
#define CTORS_SECTION_ASM_OP ".section\t.ctors,\"x\""
#undef DTORS_SECTION_ASM_OP
#define DTORS_SECTION_ASM_OP ".section\t.dtors,\"x\""
/* A list of other sections which the compiler might be "in" at any
given time. */
#undef EXTRA_SECTIONS
#define EXTRA_SECTIONS in_const, in_bss, in_ctors, in_dtors
/* A list of extra section function definitions. */
#undef EXTRA_SECTION_FUNCTIONS
#define EXTRA_SECTION_FUNCTIONS \
CONST_SECTION_FUNCTION \
CTORS_SECTION_FUNCTION \
DTORS_SECTION_FUNCTION
#define CTORS_SECTION_FUNCTION \
void \
ctors_section () \
{ \
if (in_section != in_ctors) \
{ \
fprintf (asm_out_file, "%s\n", CTORS_SECTION_ASM_OP); \
in_section = in_ctors; \
} \
}
#define DTORS_SECTION_FUNCTION \
void \
dtors_section () \
{ \
if (in_section != in_dtors) \
{ \
fprintf (asm_out_file, "%s\n", DTORS_SECTION_ASM_OP); \
in_section = in_dtors; \
} \
}
#define INT_ASM_OP ".long"
/* A C statement (sans semicolon) to output an element in the table of
global constructors. */
#undef ASM_OUTPUT_CONSTRUCTOR
#define ASM_OUTPUT_CONSTRUCTOR(FILE,NAME) \
do { \
ctors_section (); \
fprintf (FILE, "\t%s\t ", INT_ASM_OP); \
assemble_name (FILE, NAME); \
fprintf (FILE, "\n"); \
} while (0)
/* A C statement (sans semicolon) to output an element in the table of
global destructors. */
#undef ASM_OUTPUT_DESTRUCTOR
#define ASM_OUTPUT_DESTRUCTOR(FILE,NAME) \
do { \
dtors_section (); \
fprintf (FILE, "\t%s\t ", INT_ASM_OP); \
assemble_name (FILE, NAME); \
fprintf (FILE, "\n"); \
} while (0)
#undef DO_GLOBAL_CTORS_BODY
#undef DO_GLOBAL_DTORS_BODY
gcc/config/sparc/t-sparcbare 0 → 100644
# configuration file for a bare sparc cpu, aout format files
CROSS_LIBGCC1 = libgcc1-asm.a
LIB1ASMSRC = sparc/lb1spc.asm
LIB1ASMFUNCS = _mulsi3 _divsi3 _modsi3
# MULTILIB_OPTIONS should have msparclite too, but we'd have to make
# gas build...
MULTILIB_OPTIONS=msoft-float mv8
MULTILIB_DIRNAMES=soft v8
MULTILIB_MATCHES=msoft-float=mno-fpu
LIBGCC = stmp-multilib
INSTALL_LIBGCC = install-multilib
gcc/config/sparc/t-sparclite 0 → 100644
CROSS_LIBGCC1 = libgcc1-asm.a
LIB1ASMSRC = sparc/lb1spl.asm
LIB1ASMFUNCS = _divsi3 _udivsi3 _modsi3 _umodsi3
# These are really part of libgcc1, but this will cause them to be
# built correctly, so...
LIB2FUNCS_EXTRA = fp-bit.c dp-bit.c
dp-bit.c: $(srcdir)/config/fp-bit.c
echo '#define US_SOFTWARE_GOFAST' > dp-bit.c
cat $(srcdir)/config/fp-bit.c >> dp-bit.c
fp-bit.c: $(srcdir)/config/fp-bit.c
echo '#define FLOAT' > fp-bit.c
echo '#define US_SOFTWARE_GOFAST' >> fp-bit.c
cat $(srcdir)/config/fp-bit.c >> fp-bit.c
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