diff options
Diffstat (limited to 'sysdeps/m68k/m68020')
| -rw-r--r-- | sysdeps/m68k/m68020/add_n.S | 76 | ||||
| -rw-r--r-- | sysdeps/m68k/m68020/addmul_1.S | 80 | ||||
| -rw-r--r-- | sysdeps/m68k/m68020/asm-syntax.h | 105 | ||||
| -rw-r--r-- | sysdeps/m68k/m68020/mul_1.S | 87 | ||||
| -rw-r--r-- | sysdeps/m68k/m68020/sub_n.S | 76 | ||||
| -rw-r--r-- | sysdeps/m68k/m68020/submul_1.S | 80 |
6 files changed, 504 insertions, 0 deletions
diff --git a/sysdeps/m68k/m68020/add_n.S b/sysdeps/m68k/m68020/add_n.S new file mode 100644 index 0000000000..ea7a4458ea --- /dev/null +++ b/sysdeps/m68k/m68020/add_n.S @@ -0,0 +1,76 @@ +/* mc68020 __mpn_add_n -- Add two limb vectors of the same length > 0 and store + sum in a third limb vector. + +Copyright (C) 1992, 1994 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 Library General Public License as published by +the Free Software Foundation; either version 2 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 Library General Public +License for more details. + +You should have received a copy of the GNU Library General Public License +along with the GNU MP Library; see the file COPYING.LIB. If not, write to +the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +/* + INPUT PARAMETERS + res_ptr (sp + 4) + s1_ptr (sp + 8) + s2_ptr (sp + 16) + size (sp + 12) +*/ + +#include "asm-syntax.h" + + TEXT + ALIGN + GLOBL ___mpn_add_n + +LAB(___mpn_add_n) +/* Save used registers on the stack. */ + INSN2(move,l ,MEM_PREDEC(sp),d2) + INSN2(move,l ,MEM_PREDEC(sp),a2) + +/* Copy the arguments to registers. Better use movem? */ + INSN2(move,l ,a2,MEM_DISP(sp,12)) + INSN2(move,l ,a0,MEM_DISP(sp,16)) + INSN2(move,l ,a1,MEM_DISP(sp,20)) + INSN2(move,l ,d2,MEM_DISP(sp,24)) + + INSN2(eor,w ,d2,#1) + INSN2(lsr,l ,d2,#1) + bcc L1 + INSN2(subq,l ,d2,#1) /* clears cy as side effect */ + +LAB(Loop) + INSN2(move,l ,d0,MEM_POSTINC(a0)) + INSN2(move,l ,d1,MEM_POSTINC(a1)) + INSN2(addx,l ,d0,d1) + INSN2(move,l ,MEM_POSTINC(a2),d0) +LAB(L1) INSN2(move,l ,d0,MEM_POSTINC(a0)) + INSN2(move,l ,d1,MEM_POSTINC(a1)) + INSN2(addx,l ,d0,d1) + INSN2(move,l ,MEM_POSTINC(a2),d0) + + dbf d2,Loop /* loop until 16 lsb of %4 == -1 */ + INSN2(subx,l ,d0,d0) /* d0 <= -cy; save cy as 0 or -1 in d0 */ + INSN2(sub,l ,d2,#0x10000) + bcs L2 + INSN2(add,l ,d0,d0) /* restore cy */ + bra Loop + +LAB(L2) + INSN1(neg,l ,d0) + +/* Restore used registers from stack frame. */ + INSN2(move,l ,a2,MEM_POSTINC(sp)) + INSN2(move,l ,d2,MEM_POSTINC(sp)) + + rts diff --git a/sysdeps/m68k/m68020/addmul_1.S b/sysdeps/m68k/m68020/addmul_1.S new file mode 100644 index 0000000000..3f244c40b4 --- /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 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 Library General Public License as published by +the Free Software Foundation; either version 2 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 Library General Public +License for more details. + +You should have received a copy of the GNU Library General Public License +along with the GNU MP Library; see the file COPYING.LIB. If not, write to +the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +/* + INPUT PARAMETERS + res_ptr (sp + 4) + s1_ptr (sp + 8) + size (sp + 12) + s2_limb (sp + 16) +*/ + +#include "asm-syntax.h" + + TEXT + ALIGN + GLOBL ___mpn_addmul_1 + +LAB(___mpn_addmul_1) + +#define res_ptr a0 +#define s1_ptr a1 +#define size d2 +#define s2_limb d4 + +/* Save used registers on the stack. */ + INSN2(movem,l ,MEM_PREDEC(sp),d2-d5) + +/* Copy the arguments to registers. Better use movem? */ + INSN2(move,l ,res_ptr,MEM_DISP(sp,20)) + INSN2(move,l ,s1_ptr,MEM_DISP(sp,24)) + INSN2(move,l ,size,MEM_DISP(sp,28)) + INSN2(move,l ,s2_limb,MEM_DISP(sp,32)) + + INSN2(eor,w ,size,#1) + INSN1(clr,l ,d1) + INSN1(clr,l ,d5) + INSN2(lsr,l ,size,#1) + bcc L1 + INSN2(subq,l ,size,#1) + INSN2(sub,l ,d0,d0) /* (d0,cy) <= (0,0) */ + +LAB(Loop) + INSN2(move,l ,d3,MEM_POSTINC(s1_ptr)) + INSN2(mulu,l ,d1:d3,s2_limb) + INSN2(addx,l ,d3,d0) + INSN2(addx,l ,d1,d5) + INSN2(add,l ,MEM_POSTINC(res_ptr),d3) +LAB(L1) INSN2(move,l ,d3,MEM_POSTINC(s1_ptr)) + INSN2(mulu,l ,d0:d3,s2_limb) + INSN2(addx,l ,d3,d1) + INSN2(addx,l ,d0,d5) + INSN2(add,l ,MEM_POSTINC(res_ptr),d3) + + dbf size,Loop + INSN2(addx,l ,d0,d5) + INSN2(sub,l ,size,#0x10000) + bcc Loop + +/* Restore used registers from stack frame. */ + INSN2(movem,l ,d2-d5,MEM_POSTINC(sp)) + + rts diff --git a/sysdeps/m68k/m68020/asm-syntax.h b/sysdeps/m68k/m68020/asm-syntax.h new file mode 100644 index 0000000000..394b3ca739 --- /dev/null +++ b/sysdeps/m68k/m68020/asm-syntax.h @@ -0,0 +1,105 @@ +/* asm.h -- Definitions for 68k syntax variations. + +Copyright (C) 1992, 1994 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 Library General Public License as published by +the Free Software Foundation; either version 2 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 Library General Public +License for more details. + +You should have received a copy of the GNU Library General Public License +along with the GNU MP Library; see the file COPYING.LIB. If not, write to +the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +#ifdef MIT_SYNTAX +#define MEM(base)base@ +#define MEM_DISP(base,displacement)base@(displacement) +#define MEM_PREDEC(memory_base)memory_base@- +#define MEM_POSTINC(memory_base)memory_base@+ +#ifdef __STDC__ +#define INSN1(mnemonic,size_suffix,dst)mnemonic##size_suffix dst +#define INSN2(mnemonic,size_suffix,dst,src)mnemonic##size_suffix src,dst +#else +#define INSN1(mnemonic,size_suffix,dst)mnemonic/**/size_suffix dst +#define INSN2(mnemonic,size_suffix,dst,src)mnemonic/**/size_suffix src,dst +#endif +#define LAB(label) label: +#define TEXT .text +#define ALIGN .even +#define GLOBL .globl +#endif + +#ifdef SONY_SYNTAX +#define MEM(base)(base) +#define MEM_DISP(base,displacement)(displacement,base) +#define MEM_PREDEC(memory_base)-(memory_base) +#define MEM_POSTINC(memory_base)(memory_base)+ +#define INSN1(mnemonic,size_suffix,dst)mnemonic.size_suffix dst +#ifdef __STDC__ +#define INSN2(mnemonic,size_suffix,dst,src)mnemonic.size_suffix src##,dst +#else +#define INSN2(mnemonic,size_suffix,dst,src)mnemonic.size_suffix src/**/,dst +#endif +#define LAB(label) label: +#define TEXT .text +#define ALIGN .even +#define GLOBL .globl +#endif + +#ifdef MOTOROLA_SYNTAX +#define MEM(base)(base) +#define MEM_DISP(base,displacement)(displacement,base) +#define MEM_PREDEC(memory_base)-(memory_base) +#define MEM_POSTINC(memory_base)(memory_base)+ +#define INSN1(mnemonic,size_suffix,dst)mnemonic.size_suffix dst +#ifdef __STDC__ +#define INSN2(mnemonic,size_suffix,dst,src)mnemonic.size_suffix src##,dst +#else +#define INSN2(mnemonic,size_suffix,dst,src)mnemonic.size_suffix src/**/,dst +#endif +#define LAB(label) label +#define TEXT +#define ALIGN +#define GLOBL XDEF +#define l L +#define w W +#define move MOVE +#define eor EOR +#define lsr LSR +#define add ADD +#define addx ADDX +#define addq ADDQ +#define sub SUB +#define subx SUBX +#define subq SUBQ +#define neg NEG +#define bcc BCC +#define bcs BCS +#define bra BRA +#define dbf DBF +#define rts RTS +#define d0 D0 +#define d1 D1 +#define d2 D2 +#define d3 D3 +#define d4 D4 +#define d5 D5 +#define d6 D6 +#define d7 D7 +#define a0 A0 +#define a1 A1 +#define a2 A2 +#define a3 A3 +#define a4 A4 +#define a5 A5 +#define a6 A6 +#define a7 A7 +#define sp SP +#endif diff --git a/sysdeps/m68k/m68020/mul_1.S b/sysdeps/m68k/m68020/mul_1.S new file mode 100644 index 0000000000..548ca0091b --- /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 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 Library General Public License as published by +the Free Software Foundation; either version 2 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 Library General Public +License for more details. + +You should have received a copy of the GNU Library General Public License +along with the GNU MP Library; see the file COPYING.LIB. If not, write to +the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +/* + INPUT PARAMETERS + res_ptr (sp + 4) + s1_ptr (sp + 8) + size (sp + 12) + s2_limb (sp + 16) +*/ + +#include "asm-syntax.h" + + TEXT + ALIGN + GLOBL ___mpn_mul_1 + +LAB(___mpn_mul_1) + +#define res_ptr a0 +#define s1_ptr a1 +#define size d2 +#define s2_limb d4 + +/* Save used registers on the stack. */ + INSN2(movem,l ,MEM_PREDEC(sp),d2-d4) +#if 0 + INSN2(move,l ,MEM_PREDEC(sp),d2) + INSN2(move,l ,MEM_PREDEC(sp),d3) + INSN2(move,l ,MEM_PREDEC(sp),d4) +#endif + +/* Copy the arguments to registers. Better use movem? */ + INSN2(move,l ,res_ptr,MEM_DISP(sp,16)) + INSN2(move,l ,s1_ptr,MEM_DISP(sp,20)) + INSN2(move,l ,size,MEM_DISP(sp,24)) + INSN2(move,l ,s2_limb,MEM_DISP(sp,28)) + + INSN2(eor,w ,size,#1) + INSN1(clr,l ,d1) + INSN2(lsr,l ,size,#1) + bcc L1 + INSN2(subq,l ,size,#1) + INSN2(sub,l ,d0,d0) /* (d0,cy) <= (0,0) */ + +LAB(Loop) + INSN2(move,l ,d3,MEM_POSTINC(s1_ptr)) + INSN2(mulu,l ,d1:d3,s2_limb) + INSN2(addx,l ,d3,d0) + INSN2(move,l ,MEM_POSTINC(res_ptr),d3) +LAB(L1) INSN2(move,l ,d3,MEM_POSTINC(s1_ptr)) + INSN2(mulu,l ,d0:d3,s2_limb) + INSN2(addx,l ,d3,d1) + INSN2(move,l ,MEM_POSTINC(res_ptr),d3) + + dbf size,Loop + INSN1(clr,l ,d3) + INSN2(addx,l ,d0,d3) + INSN2(sub,l ,size,#0x10000) + bcc Loop + +/* Restore used registers from stack frame. */ + INSN2(movem,l ,d2-d4,MEM_POSTINC(sp)) +#if 0 + INSN2(move,l ,d4,MEM_POSTINC(sp)) + INSN2(move,l ,d3,MEM_POSTINC(sp)) + INSN2(move,l ,d2,MEM_POSTINC(sp)) +#endif + rts diff --git a/sysdeps/m68k/m68020/sub_n.S b/sysdeps/m68k/m68020/sub_n.S new file mode 100644 index 0000000000..19f0ec1568 --- /dev/null +++ b/sysdeps/m68k/m68020/sub_n.S @@ -0,0 +1,76 @@ +/* mc68020 __mpn_sub_n -- Subtract two limb vectors of the same length > 0 and + store difference in a third limb vector. + +Copyright (C) 1992, 1994 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 Library General Public License as published by +the Free Software Foundation; either version 2 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 Library General Public +License for more details. + +You should have received a copy of the GNU Library General Public License +along with the GNU MP Library; see the file COPYING.LIB. If not, write to +the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +/* + INPUT PARAMETERS + res_ptr (sp + 4) + s1_ptr (sp + 8) + s2_ptr (sp + 16) + size (sp + 12) +*/ + +#include "asm-syntax.h" + + TEXT + ALIGN + GLOBL ___mpn_sub_n + +LAB(___mpn_sub_n) +/* Save used registers on the stack. */ + INSN2(move,l ,MEM_PREDEC(sp),d2) + INSN2(move,l ,MEM_PREDEC(sp),a2) + +/* Copy the arguments to registers. Better use movem? */ + INSN2(move,l ,a2,MEM_DISP(sp,12)) + INSN2(move,l ,a0,MEM_DISP(sp,16)) + INSN2(move,l ,a1,MEM_DISP(sp,20)) + INSN2(move,l ,d2,MEM_DISP(sp,24)) + + INSN2(eor,w ,d2,#1) + INSN2(lsr,l ,d2,#1) + bcc L1 + INSN2(subq,l ,d2,#1) /* clears cy as side effect */ + +LAB(Loop) + INSN2(move,l ,d0,MEM_POSTINC(a0)) + INSN2(move,l ,d1,MEM_POSTINC(a1)) + INSN2(subx,l ,d0,d1) + INSN2(move,l ,MEM_POSTINC(a2),d0) +LAB(L1) INSN2(move,l ,d0,MEM_POSTINC(a0)) + INSN2(move,l ,d1,MEM_POSTINC(a1)) + INSN2(subx,l ,d0,d1) + INSN2(move,l ,MEM_POSTINC(a2),d0) + + dbf d2,Loop /* loop until 16 lsb of %4 == -1 */ + INSN2(subx,l ,d0,d0) /* d0 <= -cy; save cy as 0 or -1 in d0 */ + INSN2(sub,l ,d2,#0x10000) + bcs L2 + INSN2(add,l ,d0,d0) /* restore cy */ + bra Loop + +LAB(L2) + INSN1(neg,l ,d0) + +/* Restore used registers from stack frame. */ + INSN2(move,l ,a2,MEM_POSTINC(sp)) + INSN2(move,l ,d2,MEM_POSTINC(sp)) + + rts diff --git a/sysdeps/m68k/m68020/submul_1.S b/sysdeps/m68k/m68020/submul_1.S new file mode 100644 index 0000000000..ef7f39de7a --- /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 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 Library General Public License as published by +the Free Software Foundation; either version 2 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 Library General Public +License for more details. + +You should have received a copy of the GNU Library General Public License +along with the GNU MP Library; see the file COPYING.LIB. If not, write to +the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +/* + INPUT PARAMETERS + res_ptr (sp + 4) + s1_ptr (sp + 8) + size (sp + 12) + s2_limb (sp + 16) +*/ + +#include "asm-syntax.h" + + TEXT + ALIGN + GLOBL ___mpn_submul_1 + +LAB(___mpn_submul_1) + +#define res_ptr a0 +#define s1_ptr a1 +#define size d2 +#define s2_limb d4 + +/* Save used registers on the stack. */ + INSN2(movem,l ,MEM_PREDEC(sp),d2-d5) + +/* Copy the arguments to registers. Better use movem? */ + INSN2(move,l ,res_ptr,MEM_DISP(sp,20)) + INSN2(move,l ,s1_ptr,MEM_DISP(sp,24)) + INSN2(move,l ,size,MEM_DISP(sp,28)) + INSN2(move,l ,s2_limb,MEM_DISP(sp,32)) + + INSN2(eor,w ,size,#1) + INSN1(clr,l ,d1) + INSN1(clr,l ,d5) + INSN2(lsr,l ,size,#1) + bcc L1 + INSN2(subq,l ,size,#1) + INSN2(sub,l ,d0,d0) /* (d0,cy) <= (0,0) */ + +LAB(Loop) + INSN2(move,l ,d3,MEM_POSTINC(s1_ptr)) + INSN2(mulu,l ,d1:d3,s2_limb) + INSN2(addx,l ,d3,d0) + INSN2(addx,l ,d1,d5) + INSN2(sub,l ,MEM_POSTINC(res_ptr),d3) +LAB(L1) INSN2(move,l ,d3,MEM_POSTINC(s1_ptr)) + INSN2(mulu,l ,d0:d3,s2_limb) + INSN2(addx,l ,d3,d1) + INSN2(addx,l ,d0,d5) + INSN2(sub,l ,MEM_POSTINC(res_ptr),d3) + + dbf size,Loop + INSN2(addx,l ,d0,d5) + INSN2(sub,l ,size,#0x10000) + bcc Loop + +/* Restore used registers from stack frame. */ + INSN2(movem,l ,d2-d5,MEM_POSTINC(sp)) + + rts |