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authorRoland McGrath <roland@gnu.org>1995-02-18 01:27:10 +0000
committerRoland McGrath <roland@gnu.org>1995-02-18 01:27:10 +0000
commit28f540f45bbacd939bfd07f213bcad2bf730b1bf (patch)
tree15f07c4c43d635959c6afee96bde71fb1b3614ee /sysdeps/m68k/m68020
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initial import
Diffstat (limited to 'sysdeps/m68k/m68020')
-rw-r--r--sysdeps/m68k/m68020/add_n.S76
-rw-r--r--sysdeps/m68k/m68020/addmul_1.S80
-rw-r--r--sysdeps/m68k/m68020/asm-syntax.h105
-rw-r--r--sysdeps/m68k/m68020/mul_1.S87
-rw-r--r--sysdeps/m68k/m68020/sub_n.S76
-rw-r--r--sysdeps/m68k/m68020/submul_1.S80
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