diff options
Diffstat (limited to 'sysdeps/m68k/m68020')
| -rw-r--r-- | sysdeps/m68k/m68020/Makefile | 3 | ||||
| -rw-r--r-- | sysdeps/m68k/m68020/addmul_1.S | 80 | ||||
| -rw-r--r-- | sysdeps/m68k/m68020/bits/atomic.h | 254 | ||||
| -rw-r--r-- | sysdeps/m68k/m68020/bits/string.h | 26 | ||||
| -rw-r--r-- | sysdeps/m68k/m68020/mul_1.S | 87 | ||||
| -rw-r--r-- | sysdeps/m68k/m68020/submul_1.S | 80 | ||||
| -rw-r--r-- | sysdeps/m68k/m68020/wordcopy.S | 1 |
7 files changed, 531 insertions, 0 deletions
diff --git a/sysdeps/m68k/m68020/Makefile b/sysdeps/m68k/m68020/Makefile new file mode 100644 index 0000000000..b17635467d --- /dev/null +++ b/sysdeps/m68k/m68020/Makefile @@ -0,0 +1,3 @@ +ifeq ($(subdir),db2) +CPPFLAGS += -DHAVE_SPINLOCKS=1 -DHAVE_ASSEM_MC68020_GCC=1 +endif diff --git a/sysdeps/m68k/m68020/addmul_1.S b/sysdeps/m68k/m68020/addmul_1.S new file mode 100644 index 0000000000..05d1d8a804 --- /dev/null +++ b/sysdeps/m68k/m68020/addmul_1.S @@ -0,0 +1,80 @@ +/* mc68020 __mpn_addmul_1 -- Multiply a limb vector with a limb and add + the result to a second limb vector. + +Copyright (C) 1992, 1994, 1996, 1998 Free Software Foundation, Inc. + +This file is part of the GNU MP Library. + +The GNU MP Library is free software; you can redistribute it and/or modify +it under the terms of the GNU Lesser General Public License as published by +the Free Software Foundation; either version 2.1 of the License, or (at your +option) any later version. + +The GNU MP Library 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 Lesser General Public +License for more details. + +You should have received a copy of the GNU Lesser General Public License +along with the GNU MP Library; see the file COPYING.LIB. If not, write to +the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, +MA 02111-1307, USA. */ + +/* + INPUT PARAMETERS + res_ptr (sp + 4) + s1_ptr (sp + 8) + s1_size (sp + 12) + s2_limb (sp + 16) +*/ + +#include "sysdep.h" +#include "asm-syntax.h" + + TEXT +ENTRY(__mpn_addmul_1) + +#define res_ptr a0 +#define s1_ptr a1 +#define s1_size d2 +#define s2_limb d4 + +/* Save used registers on the stack. */ + moveml R(d2)-R(d5),MEM_PREDEC(sp) + +/* Copy the arguments to registers. Better use movem? */ + movel MEM_DISP(sp,20),R(res_ptr) + movel MEM_DISP(sp,24),R(s1_ptr) + movel MEM_DISP(sp,28),R(s1_size) + movel MEM_DISP(sp,32),R(s2_limb) + + eorw #1,R(s1_size) + clrl R(d1) + clrl R(d5) + lsrl #1,R(s1_size) + bcc L(L1) + subql #1,R(s1_size) + subl R(d0),R(d0) /* (d0,cy) <= (0,0) */ + +L(Loop:) + movel MEM_POSTINC(s1_ptr),R(d3) + mulul R(s2_limb),R(d1):R(d3) + addxl R(d0),R(d3) + addxl R(d5),R(d1) + addl R(d3),MEM_POSTINC(res_ptr) +L(L1:) movel MEM_POSTINC(s1_ptr),R(d3) + mulul R(s2_limb),R(d0):R(d3) + addxl R(d1),R(d3) + addxl R(d5),R(d0) + addl R(d3),MEM_POSTINC(res_ptr) + + dbf R(s1_size),L(Loop) + addxl R(d5),R(d0) + subl #0x10000,R(s1_size) + bcc L(Loop) + +/* Restore used registers from stack frame. */ + moveml MEM_POSTINC(sp),R(d2)-R(d5) + + rts +END(__mpn_addmul_1) diff --git a/sysdeps/m68k/m68020/bits/atomic.h b/sysdeps/m68k/m68020/bits/atomic.h new file mode 100644 index 0000000000..6b6db71465 --- /dev/null +++ b/sysdeps/m68k/m68020/bits/atomic.h @@ -0,0 +1,254 @@ +/* Copyright (C) 2003, 2004 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Andreas Schwab <schwab@suse.de>, 2003. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <stdint.h> + + +typedef int8_t atomic8_t; +typedef uint8_t uatomic8_t; +typedef int_fast8_t atomic_fast8_t; +typedef uint_fast8_t uatomic_fast8_t; + +typedef int16_t atomic16_t; +typedef uint16_t uatomic16_t; +typedef int_fast16_t atomic_fast16_t; +typedef uint_fast16_t uatomic_fast16_t; + +typedef int32_t atomic32_t; +typedef uint32_t uatomic32_t; +typedef int_fast32_t atomic_fast32_t; +typedef uint_fast32_t uatomic_fast32_t; + +typedef int64_t atomic64_t; +typedef uint64_t uatomic64_t; +typedef int_fast64_t atomic_fast64_t; +typedef uint_fast64_t uatomic_fast64_t; + +typedef intptr_t atomicptr_t; +typedef uintptr_t uatomicptr_t; +typedef intmax_t atomic_max_t; +typedef uintmax_t uatomic_max_t; + +#define __arch_compare_and_exchange_val_8_acq(mem, newval, oldval) \ + ({ __typeof (*(mem)) __ret; \ + __asm __volatile ("cas%.b %0,%2,%1" \ + : "=d" (__ret), "+m" (*(mem)) \ + : "d" (newval), "0" (oldval)); \ + __ret; }) + +#define __arch_compare_and_exchange_val_16_acq(mem, newval, oldval) \ + ({ __typeof (*(mem)) __ret; \ + __asm __volatile ("cas%.w %0,%2,%1" \ + : "=d" (__ret), "+m" (*(mem)) \ + : "d" (newval), "0" (oldval)); \ + __ret; }) + +#define __arch_compare_and_exchange_val_32_acq(mem, newval, oldval) \ + ({ __typeof (*(mem)) __ret; \ + __asm __volatile ("cas%.l %0,%2,%1" \ + : "=d" (__ret), "+m" (*(mem)) \ + : "d" (newval), "0" (oldval)); \ + __ret; }) + +# define __arch_compare_and_exchange_val_64_acq(mem, newval, oldval) \ + ({ __typeof (*(mem)) __ret; \ + __typeof (mem) __memp = (mem); \ + __asm __volatile ("cas2%.l %0:%R0,%1:%R1,(%2):(%3)" \ + : "=d" (__ret) \ + : "d" (newval), "r" (__memp), \ + "r" ((char *) __memp + 4), "0" (oldval) \ + : "memory"); \ + __ret; }) + +#define atomic_exchange_acq(mem, newvalue) \ + ({ __typeof (*(mem)) __result = *(mem); \ + if (sizeof (*(mem)) == 1) \ + __asm __volatile ("1: cas%.b %0,%2,%1;" \ + " jbne 1b" \ + : "=d" (__result), "+m" (*(mem)) \ + : "d" (newvalue), "0" (__result)); \ + else if (sizeof (*(mem)) == 2) \ + __asm __volatile ("1: cas%.w %0,%2,%1;" \ + " jbne 1b" \ + : "=d" (__result), "+m" (*(mem)) \ + : "d" (newvalue), "0" (__result)); \ + else if (sizeof (*(mem)) == 4) \ + __asm __volatile ("1: cas%.l %0,%2,%1;" \ + " jbne 1b" \ + : "=d" (__result), "+m" (*(mem)) \ + : "d" (newvalue), "0" (__result)); \ + else \ + { \ + __typeof (mem) __memp = (mem); \ + __asm __volatile ("1: cas2%.l %0:%R0,%1:%R1,(%2):(%3);" \ + " jbne 1b" \ + : "=d" (__result) \ + : "d" (newvalue), "r" (__memp), \ + "r" ((char *) __memp + 4), "0" (__result) \ + : "memory"); \ + } \ + __result; }) + +#define atomic_exchange_and_add(mem, value) \ + ({ __typeof (*(mem)) __result = *(mem); \ + __typeof (*(mem)) __temp; \ + if (sizeof (*(mem)) == 1) \ + __asm __volatile ("1: move%.b %0,%2;" \ + " add%.b %3,%2;" \ + " cas%.b %0,%2,%1;" \ + " jbne 1b" \ + : "=d" (__result), "+m" (*(mem)), \ + "=&d" (__temp) \ + : "d" (value), "0" (__result)); \ + else if (sizeof (*(mem)) == 2) \ + __asm __volatile ("1: move%.w %0,%2;" \ + " add%.w %3,%2;" \ + " cas%.w %0,%2,%1;" \ + " jbne 1b" \ + : "=d" (__result), "+m" (*(mem)), \ + "=&d" (__temp) \ + : "d" (value), "0" (__result)); \ + else if (sizeof (*(mem)) == 4) \ + __asm __volatile ("1: move%.l %0,%2;" \ + " add%.l %3,%2;" \ + " cas%.l %0,%2,%1;" \ + " jbne 1b" \ + : "=d" (__result), "+m" (*(mem)), \ + "=&d" (__temp) \ + : "d" (value), "0" (__result)); \ + else \ + { \ + __typeof (mem) __memp = (mem); \ + __asm __volatile ("1: move%.l %0,%1;" \ + " move%.l %R0,%R1;" \ + " add%.l %2,%1;" \ + " addx%.l %R2,%R1;" \ + " cas2%.l %0:%R0,%1:%R1,(%3):(%4);" \ + " jbne 1b" \ + : "=d" (__result), "=&d" (__temp) \ + : "d" (value), "r" (__memp), \ + "r" ((char *) __memp + 4), "0" (__result) \ + : "memory"); \ + } \ + __result; }) + +#define atomic_add(mem, value) \ + (void) ({ if (sizeof (*(mem)) == 1) \ + __asm __volatile ("add%.b %1,%0" \ + : "+m" (*(mem)) \ + : "id" (value)); \ + else if (sizeof (*(mem)) == 2) \ + __asm __volatile ("add%.w %1,%0" \ + : "+m" (*(mem)) \ + : "id" (value)); \ + else if (sizeof (*(mem)) == 4) \ + __asm __volatile ("add%.l %1,%0" \ + : "+m" (*(mem)) \ + : "id" (value)); \ + else \ + { \ + __typeof (mem) __memp = (mem); \ + __typeof (*(mem)) __oldval = *__memp; \ + __typeof (*(mem)) __temp; \ + __asm __volatile ("1: move%.l %0,%1;" \ + " move%.l %R0,%R1;" \ + " add%.l %2,%1;" \ + " addx%.l %R2,%R1;" \ + " cas2%.l %0:%R0,%1:%R1,(%3):(%4);" \ + " jbne 1b" \ + : "=d" (__oldval), "=&d" (__temp) \ + : "d" (value), "r" (__memp), \ + "r" ((char *) __memp + 4), "0" (__oldval) \ + : "memory"); \ + } \ + }) + +#define atomic_increment_and_test(mem) \ + ({ char __result; \ + if (sizeof (*(mem)) == 1) \ + __asm __volatile ("addq%.b %#1,%1; seq %0" \ + : "=dm" (__result), "+m" (*(mem))); \ + else if (sizeof (*(mem)) == 2) \ + __asm __volatile ("addq%.w %#1,%1; seq %0" \ + : "=dm" (__result), "+m" (*(mem))); \ + else if (sizeof (*(mem)) == 4) \ + __asm __volatile ("addq%.l %#1,%1; seq %0" \ + : "=dm" (__result), "+m" (*(mem))); \ + else \ + { \ + __typeof (mem) __memp = (mem); \ + __typeof (*(mem)) __oldval = *__memp; \ + __typeof (*(mem)) __temp; \ + __asm __volatile ("1: move%.l %1,%2;" \ + " move%.l %R1,%R2;" \ + " addq%.l %#1,%2;" \ + " addx%.l %5,%R2;" \ + " seq %0;" \ + " cas2%.l %1:%R1,%2:%R2,(%3):(%4);" \ + " jbne 1b" \ + : "=&dm" (__result), "=d" (__oldval), \ + "=&d" (__temp) \ + : "r" (__memp), "r" ((char *) __memp + 4), \ + "d" (0), "1" (__oldval) \ + : "memory"); \ + } \ + __result; }) + +#define atomic_decrement_and_test(mem) \ + ({ char __result; \ + if (sizeof (*(mem)) == 1) \ + __asm __volatile ("subq%.b %#1,%1; seq %0" \ + : "=dm" (__result), "+m" (*(mem))); \ + else if (sizeof (*(mem)) == 2) \ + __asm __volatile ("subq%.w %#1,%1; seq %0" \ + : "=dm" (__result), "+m" (*(mem))); \ + else if (sizeof (*(mem)) == 4) \ + __asm __volatile ("subq%.l %#1,%1; seq %0" \ + : "=dm" (__result), "+m" (*(mem))); \ + else \ + { \ + __typeof (mem) __memp = (mem); \ + __typeof (*(mem)) __oldval = *__memp; \ + __typeof (*(mem)) __temp; \ + __asm __volatile ("1: move%.l %1,%2;" \ + " move%.l %R1,%R2;" \ + " subq%.l %#1,%2;" \ + " subx%.l %5,%R2;" \ + " seq %0;" \ + " cas2%.l %1:%R1,%2:%R2,(%3):(%4);" \ + " jbne 1b" \ + : "=&dm" (__result), "=d" (__oldval), \ + "=&d" (__temp) \ + : "r" (__memp), "r" ((char *) __memp + 4), \ + "d" (0), "1" (__oldval) \ + : "memory"); \ + } \ + __result; }) + +#define atomic_bit_set(mem, bit) \ + __asm __volatile ("bfset %0{%1,#1}" \ + : "+m" (*(mem)) \ + : "di" (sizeof (*(mem)) * 8 - (bit) - 1)) + +#define atomic_bit_test_set(mem, bit) \ + ({ char __result; \ + __asm __volatile ("bfset %1{%2,#1}; sne %0" \ + : "=dm" (__result), "+m" (*(mem)) \ + : "di" (sizeof (*(mem)) * 8 - (bit) - 1)); \ + __result; }) diff --git a/sysdeps/m68k/m68020/bits/string.h b/sysdeps/m68k/m68020/bits/string.h new file mode 100644 index 0000000000..84be224b73 --- /dev/null +++ b/sysdeps/m68k/m68020/bits/string.h @@ -0,0 +1,26 @@ +/* Optimized, inlined string functions. m680x0 version, x >= 2. + Copyright (C) 1997 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#ifndef _STRING_H +# error "Never use <bits/string.h> directly; include <string.h> instead." +#endif + +/* Currently the only purpose of this file is to tell the generic inline + macros that unaligned memory access is possible. */ +#define _STRING_ARCH_unaligned 1 diff --git a/sysdeps/m68k/m68020/mul_1.S b/sysdeps/m68k/m68020/mul_1.S new file mode 100644 index 0000000000..f3e450ed93 --- /dev/null +++ b/sysdeps/m68k/m68020/mul_1.S @@ -0,0 +1,87 @@ +/* mc68020 __mpn_mul_1 -- Multiply a limb vector with a limb and store + the result in a second limb vector. + +Copyright (C) 1992, 1994, 1996, 1998 Free Software Foundation, Inc. + +This file is part of the GNU MP Library. + +The GNU MP Library is free software; you can redistribute it and/or modify +it under the terms of the GNU Lesser General Public License as published by +the Free Software Foundation; either version 2.1 of the License, or (at your +option) any later version. + +The GNU MP Library 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 Lesser General Public +License for more details. + +You should have received a copy of the GNU Lesser General Public License +along with the GNU MP Library; see the file COPYING.LIB. If not, write to +the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, +MA 02111-1307, USA. */ + +/* + INPUT PARAMETERS + res_ptr (sp + 4) + s1_ptr (sp + 8) + s1_size (sp + 12) + s2_limb (sp + 16) +*/ + +#include "sysdep.h" +#include "asm-syntax.h" + + TEXT +ENTRY(__mpn_mul_1) + +#define res_ptr a0 +#define s1_ptr a1 +#define s1_size d2 +#define s2_limb d4 + +/* Save used registers on the stack. */ + moveml R(d2)-R(d4),MEM_PREDEC(sp) +#if 0 + movel R(d2),MEM_PREDEC(sp) + movel R(d3),MEM_PREDEC(sp) + movel R(d4),MEM_PREDEC(sp) +#endif + +/* Copy the arguments to registers. Better use movem? */ + movel MEM_DISP(sp,16),R(res_ptr) + movel MEM_DISP(sp,20),R(s1_ptr) + movel MEM_DISP(sp,24),R(s1_size) + movel MEM_DISP(sp,28),R(s2_limb) + + eorw #1,R(s1_size) + clrl R(d1) + lsrl #1,R(s1_size) + bcc L(L1) + subql #1,R(s1_size) + subl R(d0),R(d0) /* (d0,cy) <= (0,0) */ + +L(Loop:) + movel MEM_POSTINC(s1_ptr),R(d3) + mulul R(s2_limb),R(d1):R(d3) + addxl R(d0),R(d3) + movel R(d3),MEM_POSTINC(res_ptr) +L(L1:) movel MEM_POSTINC(s1_ptr),R(d3) + mulul R(s2_limb),R(d0):R(d3) + addxl R(d1),R(d3) + movel R(d3),MEM_POSTINC(res_ptr) + + dbf R(s1_size),L(Loop) + clrl R(d3) + addxl R(d3),R(d0) + subl #0x10000,R(s1_size) + bcc L(Loop) + +/* Restore used registers from stack frame. */ + moveml MEM_POSTINC(sp),R(d2)-R(d4) +#if 0 + movel MEM_POSTINC(sp),R(d4) + movel MEM_POSTINC(sp),R(d3) + movel MEM_POSTINC(sp),R(d2) +#endif + rts +END(__mpn_mul_1) diff --git a/sysdeps/m68k/m68020/submul_1.S b/sysdeps/m68k/m68020/submul_1.S new file mode 100644 index 0000000000..7522046b43 --- /dev/null +++ b/sysdeps/m68k/m68020/submul_1.S @@ -0,0 +1,80 @@ +/* mc68020 __mpn_submul_1 -- Multiply a limb vector with a limb and subtract + the result from a second limb vector. + +Copyright (C) 1992, 1994, 1996, 1998 Free Software Foundation, Inc. + +This file is part of the GNU MP Library. + +The GNU MP Library is free software; you can redistribute it and/or modify +it under the terms of the GNU Lesser General Public License as published by +the Free Software Foundation; either version 2.1 of the License, or (at your +option) any later version. + +The GNU MP Library 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 Lesser General Public +License for more details. + +You should have received a copy of the GNU Lesser General Public License +along with the GNU MP Library; see the file COPYING.LIB. If not, write to +the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, +MA 02111-1307, USA. */ + +/* + INPUT PARAMETERS + res_ptr (sp + 4) + s1_ptr (sp + 8) + s1_size (sp + 12) + s2_limb (sp + 16) +*/ + +#include "sysdep.h" +#include "asm-syntax.h" + + TEXT +ENTRY(__mpn_submul_1) + +#define res_ptr a0 +#define s1_ptr a1 +#define s1_size d2 +#define s2_limb d4 + +/* Save used registers on the stack. */ + moveml R(d2)-R(d5),MEM_PREDEC(sp) + +/* Copy the arguments to registers. Better use movem? */ + movel MEM_DISP(sp,20),R(res_ptr) + movel MEM_DISP(sp,24),R(s1_ptr) + movel MEM_DISP(sp,28),R(s1_size) + movel MEM_DISP(sp,32),R(s2_limb) + + eorw #1,R(s1_size) + clrl R(d1) + clrl R(d5) + lsrl #1,R(s1_size) + bcc L(L1) + subql #1,R(s1_size) + subl R(d0),R(d0) /* (d0,cy) <= (0,0) */ + +L(Loop:) + movel MEM_POSTINC(s1_ptr),R(d3) + mulul R(s2_limb),R(d1):R(d3) + addxl R(d0),R(d3) + addxl R(d5),R(d1) + subl R(d3),MEM_POSTINC(res_ptr) +L(L1:) movel MEM_POSTINC(s1_ptr),R(d3) + mulul R(s2_limb),R(d0):R(d3) + addxl R(d1),R(d3) + addxl R(d5),R(d0) + subl R(d3),MEM_POSTINC(res_ptr) + + dbf R(s1_size),L(Loop) + addxl R(d5),R(d0) + subl #0x10000,R(s1_size) + bcc L(Loop) + +/* Restore used registers from stack frame. */ + moveml MEM_POSTINC(sp),R(d2)-R(d5) + + rts +END(__mpn_submul_1) diff --git a/sysdeps/m68k/m68020/wordcopy.S b/sysdeps/m68k/m68020/wordcopy.S new file mode 100644 index 0000000000..4fb1a4518f --- /dev/null +++ b/sysdeps/m68k/m68020/wordcopy.S @@ -0,0 +1 @@ +/* Empty, not needed. */ |