diff options
Diffstat (limited to 'sys/lib/libkern')
-rw-r--r-- | sys/lib/libkern/arch/hppa/Makefile.inc | 10 | ||||
-rw-r--r-- | sys/lib/libkern/arch/hppa/divI.S | 211 | ||||
-rw-r--r-- | sys/lib/libkern/arch/hppa/divU.S | 199 | ||||
-rw-r--r-- | sys/lib/libkern/arch/hppa/milli.S | 1978 | ||||
-rw-r--r-- | sys/lib/libkern/arch/hppa/mulI.S | 480 | ||||
-rw-r--r-- | sys/lib/libkern/arch/hppa/mulU.S | 131 | ||||
-rw-r--r-- | sys/lib/libkern/arch/hppa/remI.S | 164 | ||||
-rw-r--r-- | sys/lib/libkern/arch/hppa/remU.S | 152 |
8 files changed, 1981 insertions, 1344 deletions
diff --git a/sys/lib/libkern/arch/hppa/Makefile.inc b/sys/lib/libkern/arch/hppa/Makefile.inc index 5364c28199b..7cc23362d1a 100644 --- a/sys/lib/libkern/arch/hppa/Makefile.inc +++ b/sys/lib/libkern/arch/hppa/Makefile.inc @@ -1,10 +1,6 @@ -# $OpenBSD: Makefile.inc,v 1.1 1998/06/23 18:56:53 mickey Exp $ +# $OpenBSD: Makefile.inc,v 1.2 1998/06/23 19:39:01 mickey Exp $ SRCS+= __main.c imax.c imin.c lmax.c lmin.c max.c min.c ulmax.c ulmin.c \ - random.c ashrdi3.c - -# `source' files built from m4 source -SRCS+= divU.S divI.S -SRCS+= remU.S remI.S -SRCS+= mulU.S mulI.S + random.c ashrdi3.c divdi3.c +SRCS+= milli.S diff --git a/sys/lib/libkern/arch/hppa/divI.S b/sys/lib/libkern/arch/hppa/divI.S deleted file mode 100644 index 62ff31a547a..00000000000 --- a/sys/lib/libkern/arch/hppa/divI.S +++ /dev/null @@ -1,211 +0,0 @@ -/* $OpenBSD: divI.S,v 1.1 1998/06/23 18:56:53 mickey Exp $ */ - -/* - * (c) Copyright 1985 HEWLETT-PACKARD COMPANY - * - * To anyone who acknowledges that this file is provided "AS IS" - * without any express or implied warranty: - * permission to use, copy, modify, and distribute this file - * for any purpose is hereby granted without fee, provided that - * the above copyright notice and this notice appears in all - * copies, and that the name of Hewlett-Packard Company not be - * used in advertising or publicity pertaining to distribution - * of the software without specific, written prior permission. - * Hewlett-Packard Company makes no representations about the - * suitability of this software for any purpose. - */ - -#include "prefix.h" - -/* - * - * ROUTINES: $$divI, $$divoI - * - * Single precision divide for singed binary integers. - * - * The quotient is truncated towards zero. - * The sign of the quotient is the XOR of the signs of the dividend and - * divisor. - * Divide by zero is trapped. - * Divide of -2**31 by -1 is trapped for $$divoI but not for $$divI. - * - * INPUT REGISTERS: - * arg0 == dividend - * arg1 == divisor - * r31 == return pc - * sr0 == return space when called externally - * - * OUTPUT REGISTERS: - * arg0 = undefined - * arg1 = undefined - * ret1 = quotient - * - * OTHER REGISTERS AFFECTED: - * r1 = undefined - * - * SIDE EFFECTS: - * Causes a trap under the following conditions: - * divisor is zero (traps with ADDIT,= 0,25,0) - * dividend==-2**31 and divisor==-1 and routine is $$divoI - * (traps with ADDO 26,25,0) - * Changes memory at the following places: - * NONE - * - * PERMISSIBLE CONTEXT: - * Unwindable. - * Suitable for internal or external millicode. - * Assumes the special millicode register conventions. - * - * DISCUSSION: - * Branchs to other millicode routines using BE - * $$div_# for # being 2,3,4,5,6,7,8,9,10,12,14,15 - * - * For selected divisors, calls a divide by constant routine written by - * Karl Pettis. Eligible divisors are 1..15 excluding 11 and 13. - * - * The only overflow case is -2**31 divided by -1. - * Both routines return -2**31 but only $$divoI traps. - */ - -DEFINE(temp,r1) -DEFINE(retreg,ret1) ; r29 - .import $$divI_2,millicode - .import $$divI_3,millicode - .import $$divI_4,millicode - .import $$divI_5,millicode - .import $$divI_6,millicode - .import $$divI_7,millicode - .import $$divI_8,millicode - .import $$divI_9,millicode - .import $$divI_10,millicode - .import $$divI_12,millicode - .import $$divI_14,millicode - .import $$divI_15,millicode - .export $$divI,millicode - .export $$divoI,millicode - .proc - .callinfo millicode -$$divoI - comib,=,n -1,arg1,negative1 ; when divisor == -1 -$$divI - comib,>>=,n 15,arg1,small_divisor - add,>= 0,arg0,retreg ; move dividend, if retreg < 0, -normal - sub 0,retreg,retreg ; make it positive - sub 0,arg1,temp ; clear carry, - ; negate the divisor - ds 0,temp,0 ; set V-bit to the comple- - ; ment of the divisor sign - add retreg,retreg,retreg ; shift msb bit into carry - ds r0,arg1,temp ; 1st divide step, if no carry - addc retreg,retreg,retreg ; shift retreg with/into carry - ds temp,arg1,temp ; 2nd divide step - addc retreg,retreg,retreg ; shift retreg with/into carry - ds temp,arg1,temp ; 3rd divide step - addc retreg,retreg,retreg ; shift retreg with/into carry - ds temp,arg1,temp ; 4th divide step - addc retreg,retreg,retreg ; shift retreg with/into carry - ds temp,arg1,temp ; 5th divide step - addc retreg,retreg,retreg ; shift retreg with/into carry - ds temp,arg1,temp ; 6th divide step - addc retreg,retreg,retreg ; shift retreg with/into carry - ds temp,arg1,temp ; 7th divide step - addc retreg,retreg,retreg ; shift retreg with/into carry - ds temp,arg1,temp ; 8th divide step - addc retreg,retreg,retreg ; shift retreg with/into carry - ds temp,arg1,temp ; 9th divide step - addc retreg,retreg,retreg ; shift retreg with/into carry - ds temp,arg1,temp ; 10th divide step - addc retreg,retreg,retreg ; shift retreg with/into carry - ds temp,arg1,temp ; 11th divide step - addc retreg,retreg,retreg ; shift retreg with/into carry - ds temp,arg1,temp ; 12th divide step - addc retreg,retreg,retreg ; shift retreg with/into carry - ds temp,arg1,temp ; 13th divide step - addc retreg,retreg,retreg ; shift retreg with/into carry - ds temp,arg1,temp ; 14th divide step - addc retreg,retreg,retreg ; shift retreg with/into carry - ds temp,arg1,temp ; 15th divide step - addc retreg,retreg,retreg ; shift retreg with/into carry - ds temp,arg1,temp ; 16th divide step - addc retreg,retreg,retreg ; shift retreg with/into carry - ds temp,arg1,temp ; 17th divide step - addc retreg,retreg,retreg ; shift retreg with/into carry - ds temp,arg1,temp ; 18th divide step - addc retreg,retreg,retreg ; shift retreg with/into carry - ds temp,arg1,temp ; 19th divide step - addc retreg,retreg,retreg ; shift retreg with/into carry - ds temp,arg1,temp ; 20th divide step - addc retreg,retreg,retreg ; shift retreg with/into carry - ds temp,arg1,temp ; 21st divide step - addc retreg,retreg,retreg ; shift retreg with/into carry - ds temp,arg1,temp ; 22nd divide step - addc retreg,retreg,retreg ; shift retreg with/into carry - ds temp,arg1,temp ; 23rd divide step - addc retreg,retreg,retreg ; shift retreg with/into carry - ds temp,arg1,temp ; 24th divide step - addc retreg,retreg,retreg ; shift retreg with/into carry - ds temp,arg1,temp ; 25th divide step - addc retreg,retreg,retreg ; shift retreg with/into carry - ds temp,arg1,temp ; 26th divide step - addc retreg,retreg,retreg ; shift retreg with/into carry - ds temp,arg1,temp ; 27th divide step - addc retreg,retreg,retreg ; shift retreg with/into carry - ds temp,arg1,temp ; 28th divide step - addc retreg,retreg,retreg ; shift retreg with/into carry - ds temp,arg1,temp ; 29th divide step - addc retreg,retreg,retreg ; shift retreg with/into carry - ds temp,arg1,temp ; 30th divide step - addc retreg,retreg,retreg ; shift retreg with/into carry - ds temp,arg1,temp ; 31st divide step - addc retreg,retreg,retreg ; shift retreg with/into carry - ds temp,arg1,temp ; 32nd divide step, - addc retreg,retreg,retreg ; shift last retreg bit into retreg - xor,>= arg0,arg1,0 ; get correct sign of quotient - sub 0,retreg,retreg ; based on operand signs - MILLIRETN - nop -;______________________________________________________________________ -small_divisor - blr,n arg1,r0 - nop -; table for divisor == 0,1, ... ,15 - addit,= 0,arg1,r0 ; trap if divisor == 0 - nop - MILLIRET ; divisor == 1 - copy arg0,retreg - MILLI_BEN($$divI_2) ; divisor == 2 - nop - MILLI_BEN($$divI_3) ; divisor == 3 - nop - MILLI_BEN($$divI_4) ; divisor == 4 - nop - MILLI_BEN($$divI_5) ; divisor == 5 - nop - MILLI_BEN($$divI_6) ; divisor == 6 - nop - MILLI_BEN($$divI_7) ; divisor == 7 - nop - MILLI_BEN($$divI_8) ; divisor == 8 - nop - MILLI_BEN($$divI_9) ; divisor == 9 - nop - MILLI_BEN($$divI_10) ; divisor == 10 - nop - b normal ; divisor == 11 - add,>= 0,arg0,retreg - MILLI_BEN($$divI_12) ; divisor == 12 - nop - b normal ; divisor == 13 - add,>= 0,arg0,retreg - MILLI_BEN($$divI_14) ; divisor == 14 - nop - MILLI_BEN($$divI_15) ; divisor == 15 - nop -;______________________________________________________________________ -negative1 - sub 0,arg0,retreg ; result is negation of dividend - MILLIRET - addo arg0,arg1,r0 ; trap iff dividend==0x80000000 && divisor==-1 - .procend - .end diff --git a/sys/lib/libkern/arch/hppa/divU.S b/sys/lib/libkern/arch/hppa/divU.S deleted file mode 100644 index 025ce1bdf11..00000000000 --- a/sys/lib/libkern/arch/hppa/divU.S +++ /dev/null @@ -1,199 +0,0 @@ -/* $OpenBSD: divU.S,v 1.1 1998/06/23 18:56:53 mickey Exp $ */ - -/* - * (c) Copyright 1985 HEWLETT-PACKARD COMPANY - * - * To anyone who acknowledges that this file is provided "AS IS" - * without any express or implied warranty: - * permission to use, copy, modify, and distribute this file - * for any purpose is hereby granted without fee, provided that - * the above copyright notice and this notice appears in all - * copies, and that the name of Hewlett-Packard Company not be - * used in advertising or publicity pertaining to distribution - * of the software without specific, written prior permission. - * Hewlett-Packard Company makes no representations about the - * suitability of this software for any purpose. - */ - -#include "prefix.h" - -/* - * ROUTINE: $$divU - * - * Single precision divide for unsigned integers. - * - * Quotient is truncated towards zero. - * Traps on divide by zero. - * - * INPUT REGISTERS: - * arg0 == dividend - * arg1 == divisor - * r31 == return pc - * sr0 == return space when called externally - * - * OUTPUT REGISTERS: - * arg0 = undefined - * arg1 = undefined - * ret1 = quotient - * - * OTHER REGISTERS AFFECTED: - * r1 = undefined - * - * SIDE EFFECTS: - * Causes a trap under the following conditions: - * divisor is zero - * Changes memory at the following places: - * NONE - * - * PERMISSIBLE CONTEXT: - * Unwindable. - * Does not create a stack frame. - * Suitable for internal or external millicode. - * Assumes the special millicode register conventions. - * - * DISCUSSION: - * Branchs to other millicode routines using BE: - * $$divU_# for 3,5,6,7,9,10,12,14,15 - * - * For selected small divisors calls the special divide by constant - * routines written by Karl Pettis. These are: 3,5,6,7,9,10,12,14,15. - * - */ - -DEFINE(temp,r1) -DEFINE(retreg,ret1) ; r29 - .subspa $MILLICODE$ - .export $$divU,millicode - .import $$divU_3,millicode - .import $$divU_5,millicode - .import $$divU_6,millicode - .import $$divU_7,millicode - .import $$divU_9,millicode - .import $$divU_10,millicode - .import $$divU_12,millicode - .import $$divU_14,millicode - .import $$divU_15,millicode - .proc - .callinfo millicode -$$divU -; The subtract is not nullified since it does no harm and can be used -; by the two cases that branch back to "normal". - comib,>= 15,arg1,special_divisor - sub r0,arg1,temp ; clear carry, negate the divisor - ds r0,temp,r0 ; set V-bit to 1 -normal - add arg0,arg0,retreg ; shift msb bit into carry - ds r0,arg1,temp ; 1st divide step, if no carry - addc retreg,retreg,retreg ; shift retreg with/into carry - ds temp,arg1,temp ; 2nd divide step - addc retreg,retreg,retreg ; shift retreg with/into carry - ds temp,arg1,temp ; 3rd divide step - addc retreg,retreg,retreg ; shift retreg with/into carry - ds temp,arg1,temp ; 4th divide step - addc retreg,retreg,retreg ; shift retreg with/into carry - ds temp,arg1,temp ; 5th divide step - addc retreg,retreg,retreg ; shift retreg with/into carry - ds temp,arg1,temp ; 6th divide step - addc retreg,retreg,retreg ; shift retreg with/into carry - ds temp,arg1,temp ; 7th divide step - addc retreg,retreg,retreg ; shift retreg with/into carry - ds temp,arg1,temp ; 8th divide step - addc retreg,retreg,retreg ; shift retreg with/into carry - ds temp,arg1,temp ; 9th divide step - addc retreg,retreg,retreg ; shift retreg with/into carry - ds temp,arg1,temp ; 10th divide step - addc retreg,retreg,retreg ; shift retreg with/into carry - ds temp,arg1,temp ; 11th divide step - addc retreg,retreg,retreg ; shift retreg with/into carry - ds temp,arg1,temp ; 12th divide step - addc retreg,retreg,retreg ; shift retreg with/into carry - ds temp,arg1,temp ; 13th divide step - addc retreg,retreg,retreg ; shift retreg with/into carry - ds temp,arg1,temp ; 14th divide step - addc retreg,retreg,retreg ; shift retreg with/into carry - ds temp,arg1,temp ; 15th divide step - addc retreg,retreg,retreg ; shift retreg with/into carry - ds temp,arg1,temp ; 16th divide step - addc retreg,retreg,retreg ; shift retreg with/into carry - ds temp,arg1,temp ; 17th divide step - addc retreg,retreg,retreg ; shift retreg with/into carry - ds temp,arg1,temp ; 18th divide step - addc retreg,retreg,retreg ; shift retreg with/into carry - ds temp,arg1,temp ; 19th divide step - addc retreg,retreg,retreg ; shift retreg with/into carry - ds temp,arg1,temp ; 20th divide step - addc retreg,retreg,retreg ; shift retreg with/into carry - ds temp,arg1,temp ; 21st divide step - addc retreg,retreg,retreg ; shift retreg with/into carry - ds temp,arg1,temp ; 22nd divide step - addc retreg,retreg,retreg ; shift retreg with/into carry - ds temp,arg1,temp ; 23rd divide step - addc retreg,retreg,retreg ; shift retreg with/into carry - ds temp,arg1,temp ; 24th divide step - addc retreg,retreg,retreg ; shift retreg with/into carry - ds temp,arg1,temp ; 25th divide step - addc retreg,retreg,retreg ; shift retreg with/into carry - ds temp,arg1,temp ; 26th divide step - addc retreg,retreg,retreg ; shift retreg with/into carry - ds temp,arg1,temp ; 27th divide step - addc retreg,retreg,retreg ; shift retreg with/into carry - ds temp,arg1,temp ; 28th divide step - addc retreg,retreg,retreg ; shift retreg with/into carry - ds temp,arg1,temp ; 29th divide step - addc retreg,retreg,retreg ; shift retreg with/into carry - ds temp,arg1,temp ; 30th divide step - addc retreg,retreg,retreg ; shift retreg with/into carry - ds temp,arg1,temp ; 31st divide step - addc retreg,retreg,retreg ; shift retreg with/into carry - ds temp,arg1,temp ; 32nd divide step, - MILLIRET - addc retreg,retreg,retreg ; shift last retreg bit into retreg -;_____________________________________________________________________________ -; handle the cases where divisor is a small constant or has high bit on -special_divisor - blr arg1,r0 - comib,>,n 0,arg1,big_divisor ; nullify previous instruction -zero_divisor ; this label is here to provide external visibility - addit,= 0,arg1,0 ; trap for zero dvr - nop - MILLIRET ; divisor == 1 - copy arg0,retreg - MILLIRET ; divisor == 2 - extru arg0,30,31,retreg - MILLI_BEN($$divU_3) ; divisor == 3 - nop - MILLIRET ; divisor == 4 - extru arg0,29,30,retreg - MILLI_BEN($$divU_5) ; divisor == 5 - nop - MILLI_BEN($$divU_6) ; divisor == 6 - nop - MILLI_BEN($$divU_7) ; divisor == 7 - nop - MILLIRET ; divisor == 8 - extru arg0,28,29,retreg - MILLI_BEN($$divU_9) ; divisor == 9 - nop - MILLI_BEN($$divU_10) ; divisor == 10 - nop - b normal ; divisor == 11 - ds r0,temp,r0 ; set V-bit to 1 - MILLI_BEN($$divU_12) ; divisor == 12 - nop - b normal ; divisor == 13 - ds r0,temp,r0 ; set V-bit to 1 - MILLI_BEN($$divU_14) ; divisor == 14 - nop - MILLI_BEN($$divU_15) ; divisor == 15 - nop -;_____________________________________________________________________________ -; Handle the case where the high bit is on in the divisor. -; Compute: if( dividend>=divisor) quotient=1; else quotient=0; -; Note: dividend>==divisor iff dividend-divisor does not borrow -; and not borrow iff carry -big_divisor - sub arg0,arg1,r0 - MILLIRET - addc r0,r0,retreg - .procend - .end diff --git a/sys/lib/libkern/arch/hppa/milli.S b/sys/lib/libkern/arch/hppa/milli.S new file mode 100644 index 00000000000..b6b2eeed8e9 --- /dev/null +++ b/sys/lib/libkern/arch/hppa/milli.S @@ -0,0 +1,1978 @@ +; +; (c) Copyright 1986 HEWLETT-PACKARD COMPANY +; +; To anyone who acknowledges that this file is provided "AS IS" +; without any express or implied warranty: +; permission to use, copy, modify, and distribute this file +; for any purpose is hereby granted without fee, provided that +; the above copyright notice and this notice appears in all +; copies, and that the name of Hewlett-Packard Company not be +; used in advertising or publicity pertaining to distribution +; of the software without specific, written prior permission. +; Hewlett-Packard Company makes no representations about the +; suitability of this software for any purpose. +; + +; Standard Hardware Register Definitions for Use with Assembler +; version A.08.06 +; - fr16-31 added at Utah +;~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +; Hardware General Registers +r0: .equ 0 + +r1: .equ 1 + +r2: .equ 2 + +r3: .equ 3 + +r4: .equ 4 + +r5: .equ 5 + +r6: .equ 6 + +r7: .equ 7 + +r8: .equ 8 + +r9: .equ 9 + +r10: .equ 10 + +r11: .equ 11 + +r12: .equ 12 + +r13: .equ 13 + +r14: .equ 14 + +r15: .equ 15 + +r16: .equ 16 + +r17: .equ 17 + +r18: .equ 18 + +r19: .equ 19 + +r20: .equ 20 + +r21: .equ 21 + +r22: .equ 22 + +r23: .equ 23 + +r24: .equ 24 + +r25: .equ 25 + +r26: .equ 26 + +r27: .equ 27 + +r28: .equ 28 + +r29: .equ 29 + +r30: .equ 30 + +r31: .equ 31 + +; Hardware Space Registers +sr0: .equ 0 + +sr1: .equ 1 + +sr2: .equ 2 + +sr3: .equ 3 + +sr4: .equ 4 + +sr5: .equ 5 + +sr6: .equ 6 + +sr7: .equ 7 + +; Hardware Floating Point Registers +fr0: .equ 0 + +fr1: .equ 1 + +fr2: .equ 2 + +fr3: .equ 3 + +fr4: .equ 4 + +fr5: .equ 5 + +fr6: .equ 6 + +fr7: .equ 7 + +fr8: .equ 8 + +fr9: .equ 9 + +fr10: .equ 10 + +fr11: .equ 11 + +fr12: .equ 12 + +fr13: .equ 13 + +fr14: .equ 14 + +fr15: .equ 15 + +fr16: .equ 16 + +fr17: .equ 17 + +fr18: .equ 18 + +fr19: .equ 19 + +fr20: .equ 20 + +fr21: .equ 21 + +fr22: .equ 22 + +fr23: .equ 23 + +fr24: .equ 24 + +fr25: .equ 25 + +fr26: .equ 26 + +fr27: .equ 27 + +fr28: .equ 28 + +fr29: .equ 29 + +fr30: .equ 30 + +fr31: .equ 31 + +; Hardware Control Registers +cr0: .equ 0 + +rctr: .equ 0 ; Recovery Counter Register + + +cr8: .equ 8 ; Protection ID 1 + +pidr1: .equ 8 + + +cr9: .equ 9 ; Protection ID 2 + +pidr2: .equ 9 + + +cr10: .equ 10 + +ccr: .equ 10 ; Coprocessor Confiquration Register + + +cr11: .equ 11 + +sar: .equ 11 ; Shift Amount Register + + +cr12: .equ 12 + +pidr3: .equ 12 ; Protection ID 3 + + +cr13: .equ 13 + +pidr4: .equ 13 ; Protection ID 4 + + +cr14: .equ 14 + +iva: .equ 14 ; Interrupt Vector Address + + +cr15: .equ 15 + +eiem: .equ 15 ; External Interrupt Enable Mask + + +cr16: .equ 16 + +itmr: .equ 16 ; Interval Timer + + +cr17: .equ 17 + +pcsq: .equ 17 ; Program Counter Space queue + + +cr18: .equ 18 + +pcoq: .equ 18 ; Program Counter Offset queue + + +cr19: .equ 19 + +iir: .equ 19 ; Interruption Instruction Register + + +cr20: .equ 20 + +isr: .equ 20 ; Interruption Space Register + + +cr21: .equ 21 + +ior: .equ 21 ; Interruption Offset Register + + +cr22: .equ 22 + +ipsw: .equ 22 ; Interrpution Processor Status Word + + +cr23: .equ 23 + +eirr: .equ 23 ; External Interrupt Request + + +cr24: .equ 24 + +ppda: .equ 24 ; Physcial Page Directory Address + +tr0: .equ 24 ; Temporary register 0 + + +cr25: .equ 25 + +hta: .equ 25 ; Hash Table Address + +tr1: .equ 25 ; Temporary register 1 + + +cr26: .equ 26 + +tr2: .equ 26 ; Temporary register 2 + + +cr27: .equ 27 + +tr3: .equ 27 ; Temporary register 3 + + +cr28: .equ 28 + +tr4: .equ 28 ; Temporary register 4 + + +cr29: .equ 29 + +tr5: .equ 29 ; Temporary register 5 + + +cr30: .equ 30 + +tr6: .equ 30 ; Temporary register 6 + + +cr31: .equ 31 + +tr7: .equ 31 ; Temporary register 7 + +;~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +; Procedure Call Convention ~ +; Register Definitions for Use with Assembler ~ +; version A.08.06 +;~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +; Software Architecture General Registers +rp: .equ r2 ; return pointer + +mrp: .equ r31 ; millicode return pointer + +ret0: .equ r28 ; return value + +ret1: .equ r29 ; return value (high part of double) + +sl: .equ r29 ; static link + +sp: .equ r30 ; stack pointer + +dp: .equ r27 ; data pointer + +arg0: .equ r26 ; argument + +arg1: .equ r25 ; argument or high part of double argument + +arg2: .equ r24 ; argument + +arg3: .equ r23 ; argument or high part of double argument + +;_____________________________________________________________________________ +; Software Architecture Space Registers +; sr0 ; return link form BLE +sret: .equ sr1 ; return value + +sarg: .equ sr1 ; argument + +; sr4 ; PC SPACE tracker +; sr5 ; process private data +;_____________________________________________________________________________ +; Software Architecture Pseudo Registers +previous_sp: .equ 64 ; old stack pointer (locates previous frame) + +;~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +;~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +; Standard space and subspace definitions. version A.08.06 +; These are generally suitable for programs on HP_UX and HPE. +; Statements commented out are used when building such things as operating +; system kernels. +;;;;;;;;;;;;;;;; + .SPACE $TEXT$, SPNUM=0,SORT=8 + .subspa $MILLICODE$, QUAD=0,ALIGN=8,ACCESS=0x2c,SORT=8 + .subspa $LIT$, QUAD=0,ALIGN=8,ACCESS=0x2c,SORT=16 + .subspa $CODE$, QUAD=0,ALIGN=8,ACCESS=0x2c,SORT=24 +; Additional code subspaces should have ALIGN=8 for an interspace BV +; and should have SORT=24. +; +; For an incomplete executable (program bound to shared libraries), +; sort keys $GLOBAL$ -1 and $GLOBAL$ -2 are reserved for the $DLT$ +; and $PLT$ subspaces respectively. +;;;;;;;;;;;;;;; + .SPACE $PRIVATE$, SPNUM=1,PRIVATE,SORT=16 + .subspa $GLOBAL$, QUAD=1,ALIGN=8,ACCESS=0x1f,SORT=40 + .import $global$ + .subspa $DATA$, QUAD=1,ALIGN=8,ACCESS=0x1f,SORT=16 + .subspa $BSS$, QUAD=1,ALIGN=8,ACCESS=0x1f,SORT=82,ZERO + + .SPACE $TEXT$ + .SUBSPA $MILLICODE$ + + .EXPORT $$remI,millicode +; .IMPORT cerror +$$remI: + .PROC + .CALLINFO NO_CALLS + .ENTRY + addit,= 0,arg1,r0 + add,>= r0,arg0,ret1 + sub r0,ret1,ret1 + sub r0,arg1,r1 + ds r0,r1,r0 + or r0,r0,r1 + add ret1,ret1,ret1 + ds r1,arg1,r1 + addc ret1,ret1,ret1 + ds r1,arg1,r1 + addc ret1,ret1,ret1 + ds r1,arg1,r1 + addc ret1,ret1,ret1 + ds r1,arg1,r1 + addc ret1,ret1,ret1 + ds r1,arg1,r1 + addc ret1,ret1,ret1 + ds r1,arg1,r1 + addc ret1,ret1,ret1 + ds r1,arg1,r1 + addc ret1,ret1,ret1 + ds r1,arg1,r1 + addc ret1,ret1,ret1 + ds r1,arg1,r1 + addc ret1,ret1,ret1 + ds r1,arg1,r1 + addc ret1,ret1,ret1 + ds r1,arg1,r1 + addc ret1,ret1,ret1 + ds r1,arg1,r1 + addc ret1,ret1,ret1 + ds r1,arg1,r1 + addc ret1,ret1,ret1 + ds r1,arg1,r1 + addc ret1,ret1,ret1 + ds r1,arg1,r1 + addc ret1,ret1,ret1 + ds r1,arg1,r1 + addc ret1,ret1,ret1 + ds r1,arg1,r1 + addc ret1,ret1,ret1 + ds r1,arg1,r1 + addc ret1,ret1,ret1 + ds r1,arg1,r1 + addc ret1,ret1,ret1 + ds r1,arg1,r1 + addc ret1,ret1,ret1 + ds r1,arg1,r1 + addc ret1,ret1,ret1 + ds r1,arg1,r1 + addc ret1,ret1,ret1 + ds r1,arg1,r1 + addc ret1,ret1,ret1 + ds r1,arg1,r1 + addc ret1,ret1,ret1 + ds r1,arg1,r1 + addc ret1,ret1,ret1 + ds r1,arg1,r1 + addc ret1,ret1,ret1 + ds r1,arg1,r1 + addc ret1,ret1,ret1 + ds r1,arg1,r1 + addc ret1,ret1,ret1 + ds r1,arg1,r1 + addc ret1,ret1,ret1 + ds r1,arg1,r1 + addc ret1,ret1,ret1 + ds r1,arg1,r1 + addc ret1,ret1,ret1 + ds r1,arg1,r1 + addc ret1,ret1,ret1 + movb,>=,n r1,ret1,remI300 + add,< arg1,r0,r0 + add,tr r1,arg1,ret1 + sub r1,arg1,ret1 +remI300: add,>= arg0,r0,r0 + + sub r0,ret1,ret1 + bv r0(r31) + nop + .EXIT + .PROCEND + +bit1: .equ 1 + +bit30: .equ 30 +bit31: .equ 31 + +len2: .equ 2 + +len4: .equ 4 + + +$$dyncall: + .proc + .callinfo NO_CALLS + .export $$dyncall,MILLICODE + + bb,>=,n 22,bit30,noshlibs + + depi 0,bit31,len2,22 + ldw 4(22),19 + ldw 0(22),22 +noshlibs: + ldsid (22),r1 + mtsp r1,sr0 + be 0(sr0,r22) + stw rp,-24(sp) + .procend + +temp: .EQU r1 + +retreg: .EQU ret1 ; r29 + + + .export $$divU,millicode + .import $$divU_3,millicode + .import $$divU_5,millicode + .import $$divU_6,millicode + .import $$divU_7,millicode + .import $$divU_9,millicode + .import $$divU_10,millicode + .import $$divU_12,millicode + .import $$divU_14,millicode + .import $$divU_15,millicode +$$divU: + .proc + .callinfo NO_CALLS +; The subtract is not nullified since it does no harm and can be used +; by the two cases that branch back to "normal". + comib,>= 15,arg1,special_divisor + sub r0,arg1,temp ; clear carry, negate the divisor + ds r0,temp,r0 ; set V-bit to 1 +normal: + add arg0,arg0,retreg ; shift msb bit into carry + ds r0,arg1,temp ; 1st divide step, if no carry + addc retreg,retreg,retreg ; shift retreg with/into carry + ds temp,arg1,temp ; 2nd divide step + addc retreg,retreg,retreg ; shift retreg with/into carry + ds temp,arg1,temp ; 3rd divide step + addc retreg,retreg,retreg ; shift retreg with/into carry + ds temp,arg1,temp ; 4th divide step + addc retreg,retreg,retreg ; shift retreg with/into carry + ds temp,arg1,temp ; 5th divide step + addc retreg,retreg,retreg ; shift retreg with/into carry + ds temp,arg1,temp ; 6th divide step + addc retreg,retreg,retreg ; shift retreg with/into carry + ds temp,arg1,temp ; 7th divide step + addc retreg,retreg,retreg ; shift retreg with/into carry + ds temp,arg1,temp ; 8th divide step + addc retreg,retreg,retreg ; shift retreg with/into carry + ds temp,arg1,temp ; 9th divide step + addc retreg,retreg,retreg ; shift retreg with/into carry + ds temp,arg1,temp ; 10th divide step + addc retreg,retreg,retreg ; shift retreg with/into carry + ds temp,arg1,temp ; 11th divide step + addc retreg,retreg,retreg ; shift retreg with/into carry + ds temp,arg1,temp ; 12th divide step + addc retreg,retreg,retreg ; shift retreg with/into carry + ds temp,arg1,temp ; 13th divide step + addc retreg,retreg,retreg ; shift retreg with/into carry + ds temp,arg1,temp ; 14th divide step + addc retreg,retreg,retreg ; shift retreg with/into carry + ds temp,arg1,temp ; 15th divide step + addc retreg,retreg,retreg ; shift retreg with/into carry + ds temp,arg1,temp ; 16th divide step + addc retreg,retreg,retreg ; shift retreg with/into carry + ds temp,arg1,temp ; 17th divide step + addc retreg,retreg,retreg ; shift retreg with/into carry + ds temp,arg1,temp ; 18th divide step + addc retreg,retreg,retreg ; shift retreg with/into carry + ds temp,arg1,temp ; 19th divide step + addc retreg,retreg,retreg ; shift retreg with/into carry + ds temp,arg1,temp ; 20th divide step + addc retreg,retreg,retreg ; shift retreg with/into carry + ds temp,arg1,temp ; 21st divide step + addc retreg,retreg,retreg ; shift retreg with/into carry + ds temp,arg1,temp ; 22nd divide step + addc retreg,retreg,retreg ; shift retreg with/into carry + ds temp,arg1,temp ; 23rd divide step + addc retreg,retreg,retreg ; shift retreg with/into carry + ds temp,arg1,temp ; 24th divide step + addc retreg,retreg,retreg ; shift retreg with/into carry + ds temp,arg1,temp ; 25th divide step + addc retreg,retreg,retreg ; shift retreg with/into carry + ds temp,arg1,temp ; 26th divide step + addc retreg,retreg,retreg ; shift retreg with/into carry + ds temp,arg1,temp ; 27th divide step + addc retreg,retreg,retreg ; shift retreg with/into carry + ds temp,arg1,temp ; 28th divide step + addc retreg,retreg,retreg ; shift retreg with/into carry + ds temp,arg1,temp ; 29th divide step + addc retreg,retreg,retreg ; shift retreg with/into carry + ds temp,arg1,temp ; 30th divide step + addc retreg,retreg,retreg ; shift retreg with/into carry + ds temp,arg1,temp ; 31st divide step + addc retreg,retreg,retreg ; shift retreg with/into carry + ds temp,arg1,temp ; 32nd divide step, + bv 0(r31) + addc retreg,retreg,retreg ; shift last retreg bit into retreg +;_____________________________________________________________________________ +; handle the cases where divisor is a small constant or has high bit on +special_divisor: + blr arg1,r0 + comib,>,n 0,arg1,big_divisor ; nullify previous instruction +zero_divisor: ; this label is here to provide external visibility + + addit,= 0,arg1,0 ; trap for zero dvr + nop + bv 0(r31) ; divisor == 1 + copy arg0,retreg + bv 0(r31) ; divisor == 2 + extru arg0,30,31,retreg + b,n $$divU_3 ; divisor == 3 + nop + bv 0(r31) ; divisor == 4 + extru arg0,29,30,retreg + b,n $$divU_5 ; divisor == 5 + nop + b,n $$divU_6 ; divisor == 6 + nop + b,n $$divU_7 ; divisor == 7 + nop + bv 0(r31) ; divisor == 8 + extru arg0,28,29,retreg + b,n $$divU_9 ; divisor == 9 + nop + b,n $$divU_10 ; divisor == 10 + nop + b normal ; divisor == 11 + ds r0,temp,r0 ; set V-bit to 1 + b,n $$divU_12 ; divisor == 12 + nop + b normal ; divisor == 13 + ds r0,temp,r0 ; set V-bit to 1 + b,n $$divU_14 ; divisor == 14 + nop + b,n $$divU_15 ; divisor == 15 + nop +;_____________________________________________________________________________ +; Handle the case where the high bit is on in the divisor. +; Compute: if( dividend>=divisor) quotient=1; else quotient=0; +; Note: dividend>==divisor iff dividend-divisor does not borrow +; and not borrow iff carry +big_divisor: + sub arg0,arg1,r0 + bv 0(r31) + addc r0,r0,retreg + .procend + .end + +t2: .EQU r1 + +; x2 .EQU arg0 ; r26 +t1: .EQU arg1 ; r25 + +; x1 .EQU ret1 ; r29 +;_____________________________________________________________________________ + +$$divide_by_constant: + .PROC + .CALLINFO NO_CALLS + + + .export $$divide_by_constant,millicode +; Provides a "nice" label for the code covered by the unwind descriptor +; for things like gprof. + + + + + + + + + +$$divI_2: + .EXPORT $$divI_2,MILLICODE + COMCLR,>= arg0,0,0 + ADDI 1,arg0,arg0 + bv 0(r31) + EXTRS arg0,30,31,ret1 + + + +$$divI_4: + .EXPORT $$divI_4,MILLICODE + COMCLR,>= arg0,0,0 + ADDI 3,arg0,arg0 + bv 0(r31) + EXTRS arg0,29,30,ret1 + + + +$$divI_8: + .EXPORT $$divI_8,MILLICODE + COMCLR,>= arg0,0,0 + ADDI 7,arg0,arg0 + bv 0(r31) + EXTRS arg0,28,29,ret1 + + +$$divI_16: + .EXPORT $$divI_16,MILLICODE + COMCLR,>= arg0,0,0 + ADDI 15,arg0,arg0 + bv 0(r31) + EXTRS arg0,27,28,ret1 + + + + + + + + + + + +$$divI_3: + .EXPORT $$divI_3,MILLICODE + COMB,<,N arg0,0,$neg3 + + ADDI 1,arg0,arg0 + EXTRU arg0,1,2,ret1 + SH2ADD arg0,arg0,arg0 + B $pos + ADDC ret1,0,ret1 + +$neg3: + SUBI 1,arg0,arg0 + EXTRU arg0,1,2,ret1 + SH2ADD arg0,arg0,arg0 + B $neg + ADDC ret1,0,ret1 + +$$divU_3: + .EXPORT $$divU_3,MILLICODE + ADDI 1,arg0,arg0 + ADDC 0,0,ret1 + SHD ret1,arg0,30,t1 + SH2ADD arg0,arg0,arg0 + B $pos + ADDC ret1,t1,ret1 + + + +$$divI_5: + .EXPORT $$divI_5,MILLICODE + COMB,<,N arg0,0,$neg5 + ADDI 3,arg0,t1 + SH1ADD arg0,t1,arg0 + B $pos + ADDC 0,0,ret1 + +$neg5: + SUB 0,arg0,arg0 + ADDI 1,arg0,arg0 + SHD 0,arg0,31,ret1 + SH1ADD arg0,arg0,arg0 + B $neg + ADDC ret1,0,ret1 + +$$divU_5: + .EXPORT $$divU_5,MILLICODE + ADDI 1,arg0,arg0 + ADDC 0,0,ret1 + SHD ret1,arg0,31,t1 + SH1ADD arg0,arg0,arg0 + B $pos + ADDC t1,ret1,ret1 + + +$$divI_6: + .EXPORT $$divI_6,MILLICODE + COMB,<,N arg0,0,$neg6 + EXTRU arg0,30,31,arg0 + ADDI 5,arg0,t1 + SH2ADD arg0,t1,arg0 + B $pos + ADDC 0,0,ret1 + +$neg6: + SUBI 2,arg0,arg0 + + + EXTRU arg0,30,31,arg0 + SHD 0,arg0,30,ret1 + SH2ADD arg0,arg0,arg0 + B $neg + ADDC ret1,0,ret1 + +$$divU_6: + .EXPORT $$divU_6,MILLICODE + EXTRU arg0,30,31,arg0 + ADDI 1,arg0,arg0 + SHD 0,arg0,30,ret1 + SH2ADD arg0,arg0,arg0 + B $pos + ADDC ret1,0,ret1 + + +$$divU_10: + .EXPORT $$divU_10,MILLICODE + EXTRU arg0,30,31,arg0 + ADDI 3,arg0,t1 + SH1ADD arg0,t1,arg0 + ADDC 0,0,ret1 +$pos: + SHD ret1,arg0,28,t1 + SHD arg0,0,28,t2 + ADD arg0,t2,arg0 + ADDC ret1,t1,ret1 +$pos_for_17: + SHD ret1,arg0,24,t1 + SHD arg0,0,24,t2 + ADD arg0,t2,arg0 + ADDC ret1,t1,ret1 + + SHD ret1,arg0,16,t1 + SHD arg0,0,16,t2 + ADD arg0,t2,arg0 + bv 0(r31) + ADDC ret1,t1,ret1 + +$$divI_10: + .EXPORT $$divI_10,MILLICODE + COMB,< arg0,0,$neg10 + COPY 0,ret1 + EXTRU arg0,30,31,arg0 + ADDIB,TR 1,arg0,$pos + SH1ADD arg0,arg0,arg0 + +$neg10: + SUBI 2,arg0,arg0 + + + EXTRU arg0,30,31,arg0 + SH1ADD arg0,arg0,arg0 +$neg: + SHD ret1,arg0,28,t1 + SHD arg0,0,28,t2 + ADD arg0,t2,arg0 + ADDC ret1,t1,ret1 +$neg_for_17: + SHD ret1,arg0,24,t1 + SHD arg0,0,24,t2 + ADD arg0,t2,arg0 + ADDC ret1,t1,ret1 + + SHD ret1,arg0,16,t1 + SHD arg0,0,16,t2 + ADD arg0,t2,arg0 + ADDC ret1,t1,ret1 + bv 0(r31) + SUB 0,ret1,ret1 + + +$$divI_12: + .EXPORT $$divI_12,MILLICODE + COMB,< arg0,0,$neg12 + COPY 0,ret1 + EXTRU arg0,29,30,arg0 + ADDIB,TR 1,arg0,$pos + SH2ADD arg0,arg0,arg0 + +$neg12: + SUBI 4,arg0,arg0 + + + EXTRU arg0,29,30,arg0 + B $neg + SH2ADD arg0,arg0,arg0 + +$$divU_12: + .EXPORT $$divU_12,MILLICODE + EXTRU arg0,29,30,arg0 + ADDI 5,arg0,t1 + SH2ADD arg0,t1,arg0 + B $pos + ADDC 0,0,ret1 + + +$$divI_15: + .EXPORT $$divI_15,MILLICODE + COMB,< arg0,0,$neg15 + COPY 0,ret1 + ADDIB,TR 1,arg0,$pos+4 + SHD ret1,arg0,28,t1 + +$neg15: + B $neg + SUBI 1,arg0,arg0 + +$$divU_15: + .EXPORT $$divU_15,MILLICODE + ADDI 1,arg0,arg0 + B $pos + ADDC 0,0,ret1 + + +$$divI_17: + .EXPORT $$divI_17,MILLICODE + COMB,<,N arg0,0,$neg17 + ADDI 1,arg0,arg0 + SHD 0,arg0,28,t1 + SHD arg0,0,28,t2 + SUB t2,arg0,arg0 + B $pos_for_17 + SUBB t1,0,ret1 + +$neg17: + SUBI 1,arg0,arg0 + SHD 0,arg0,28,t1 + SHD arg0,0,28,t2 + SUB t2,arg0,arg0 + B $neg_for_17 + SUBB t1,0,ret1 + +$$divU_17: + .EXPORT $$divU_17,MILLICODE + ADDI 1,arg0,arg0 + ADDC 0,0,ret1 + SHD ret1,arg0,28,t1 +$u17: + SHD arg0,0,28,t2 + SUB t2,arg0,arg0 + B $pos_for_17 + SUBB t1,ret1,ret1 + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +$$divI_7: + .EXPORT $$divI_7,MILLICODE + COMB,<,N arg0,0,$neg7 +$7: + ADDI 1,arg0,arg0 + SHD 0,arg0,29,ret1 + SH3ADD arg0,arg0,arg0 + ADDC ret1,0,ret1 +$pos7: + SHD ret1,arg0,26,t1 + SHD arg0,0,26,t2 + ADD arg0,t2,arg0 + ADDC ret1,t1,ret1 + + SHD ret1,arg0,20,t1 + SHD arg0,0,20,t2 + ADD arg0,t2,arg0 + ADDC ret1,t1,t1 + + + + COPY 0,ret1 + SHD,= t1,arg0,24,t1 +$1: + ADDB,TR t1,ret1,$2 + EXTRU arg0,31,24,arg0 + + bv,n 0(r31) + +$2: + ADDB,TR t1,arg0,$1 + EXTRU,= arg0,7,8,t1 + +$neg7: + SUBI 1,arg0,arg0 +$8: + SHD 0,arg0,29,ret1 + SH3ADD arg0,arg0,arg0 + ADDC ret1,0,ret1 + +$neg7_shift: + SHD ret1,arg0,26,t1 + SHD arg0,0,26,t2 + ADD arg0,t2,arg0 + ADDC ret1,t1,ret1 + + SHD ret1,arg0,20,t1 + SHD arg0,0,20,t2 + ADD arg0,t2,arg0 + ADDC ret1,t1,t1 + + + + COPY 0,ret1 + SHD,= t1,arg0,24,t1 +$3: + ADDB,TR t1,ret1,$4 + EXTRU arg0,31,24,arg0 + + bv 0(r31) + SUB 0,ret1,ret1 + +$4: + ADDB,TR t1,arg0,$3 + EXTRU,= arg0,7,8,t1 + +$$divU_7: + .EXPORT $$divU_7,MILLICODE + ADDI 1,arg0,arg0 + ADDC 0,0,ret1 + SHD ret1,arg0,29,t1 + SH3ADD arg0,arg0,arg0 + B $pos7 + ADDC t1,ret1,ret1 + + +$$divI_9: + .EXPORT $$divI_9,MILLICODE + COMB,<,N arg0,0,$neg9 + ADDI 1,arg0,arg0 + SHD 0,arg0,29,t1 + SHD arg0,0,29,t2 + SUB t2,arg0,arg0 + B $pos7 + SUBB t1,0,ret1 + +$neg9: + SUBI 1,arg0,arg0 + SHD 0,arg0,29,t1 + SHD arg0,0,29,t2 + SUB t2,arg0,arg0 + B $neg7_shift + SUBB t1,0,ret1 + +$$divU_9: + .EXPORT $$divU_9,MILLICODE + ADDI 1,arg0,arg0 + ADDC 0,0,ret1 + SHD ret1,arg0,29,t1 + SHD arg0,0,29,t2 + SUB t2,arg0,arg0 + B $pos7 + SUBB t1,ret1,ret1 + + +$$divI_14: + .EXPORT $$divI_14,MILLICODE + COMB,<,N arg0,0,$neg14 +$$divU_14: + .EXPORT $$divU_14,MILLICODE + B $7 + EXTRU arg0,30,31,arg0 + +$neg14: + SUBI 2,arg0,arg0 + B $8 + EXTRU arg0,30,31,arg0 + + .PROCEND + .END + +rmndr: .EQU ret1 ; r29 + + + .export $$remU,millicode +$$remU: + .proc + .callinfo NO_CALLS + .entry + + comib,>=,n 0,arg1,special_case + sub r0,arg1,rmndr ; clear carry, negate the divisor + ds r0,rmndr,r0 ; set V-bit to 1 + add arg0,arg0,temp ; shift msb bit into carry + ds r0,arg1,rmndr ; 1st divide step, if no carry + addc temp,temp,temp ; shift temp with/into carry + ds rmndr,arg1,rmndr ; 2nd divide step + addc temp,temp,temp ; shift temp with/into carry + ds rmndr,arg1,rmndr ; 3rd divide step + addc temp,temp,temp ; shift temp with/into carry + ds rmndr,arg1,rmndr ; 4th divide step + addc temp,temp,temp ; shift temp with/into carry + ds rmndr,arg1,rmndr ; 5th divide step + addc temp,temp,temp ; shift temp with/into carry + ds rmndr,arg1,rmndr ; 6th divide step + addc temp,temp,temp ; shift temp with/into carry + ds rmndr,arg1,rmndr ; 7th divide step + addc temp,temp,temp ; shift temp with/into carry + ds rmndr,arg1,rmndr ; 8th divide step + addc temp,temp,temp ; shift temp with/into carry + ds rmndr,arg1,rmndr ; 9th divide step + addc temp,temp,temp ; shift temp with/into carry + ds rmndr,arg1,rmndr ; 10th divide step + addc temp,temp,temp ; shift temp with/into carry + ds rmndr,arg1,rmndr ; 11th divide step + addc temp,temp,temp ; shift temp with/into carry + ds rmndr,arg1,rmndr ; 12th divide step + addc temp,temp,temp ; shift temp with/into carry + ds rmndr,arg1,rmndr ; 13th divide step + addc temp,temp,temp ; shift temp with/into carry + ds rmndr,arg1,rmndr ; 14th divide step + addc temp,temp,temp ; shift temp with/into carry + ds rmndr,arg1,rmndr ; 15th divide step + addc temp,temp,temp ; shift temp with/into carry + ds rmndr,arg1,rmndr ; 16th divide step + addc temp,temp,temp ; shift temp with/into carry + ds rmndr,arg1,rmndr ; 17th divide step + addc temp,temp,temp ; shift temp with/into carry + ds rmndr,arg1,rmndr ; 18th divide step + addc temp,temp,temp ; shift temp with/into carry + ds rmndr,arg1,rmndr ; 19th divide step + addc temp,temp,temp ; shift temp with/into carry + ds rmndr,arg1,rmndr ; 20th divide step + addc temp,temp,temp ; shift temp with/into carry + ds rmndr,arg1,rmndr ; 21st divide step + addc temp,temp,temp ; shift temp with/into carry + ds rmndr,arg1,rmndr ; 22nd divide step + addc temp,temp,temp ; shift temp with/into carry + ds rmndr,arg1,rmndr ; 23rd divide step + addc temp,temp,temp ; shift temp with/into carry + ds rmndr,arg1,rmndr ; 24th divide step + addc temp,temp,temp ; shift temp with/into carry + ds rmndr,arg1,rmndr ; 25th divide step + addc temp,temp,temp ; shift temp with/into carry + ds rmndr,arg1,rmndr ; 26th divide step + addc temp,temp,temp ; shift temp with/into carry + ds rmndr,arg1,rmndr ; 27th divide step + addc temp,temp,temp ; shift temp with/into carry + ds rmndr,arg1,rmndr ; 28th divide step + addc temp,temp,temp ; shift temp with/into carry + ds rmndr,arg1,rmndr ; 29th divide step + addc temp,temp,temp ; shift temp with/into carry + ds rmndr,arg1,rmndr ; 30th divide step + addc temp,temp,temp ; shift temp with/into carry + ds rmndr,arg1,rmndr ; 31st divide step + addc temp,temp,temp ; shift temp with/into carry + ds rmndr,arg1,rmndr ; 32nd divide step, + comiclr,<= 0,rmndr,r0 + add rmndr,arg1,rmndr ; correction +; .exit + bv,n 0(r31) + nop +; Putting >= on the last DS and deleting COMICLR does not work! +;_____________________________________________________________________________ +special_case: + addit,= 0,arg1,r0 ; trap on div by zero + sub,>>= arg0,arg1,rmndr + copy arg0,rmndr + .exit + bv,n 0(r31) + nop + .procend + .end + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +; Use bv 0(r31) and bv,n 0(r31) instead. +; #define return bv 0(%mrp) +; #define return_n bv,n 0(%mrp) + + + + + + + + + + + + + + + + + + + + + + + + + + + + .subspa $MILLICODE$ + .align 16 +$$mulI: + + .proc + .callinfo NO_CALLS + .export $$mulI, millicode + combt,<<= %r25,%r26,l4 ; swap args if unsigned %r25>%r26 + copy 0,%r29 ; zero out the result + xor %r26,%r25,%r26 ; swap %r26 & %r25 using the + xor %r26,%r25,%r25 ; old xor trick + xor %r26,%r25,%r26 +l4: combt,<= 0,%r26,l3 ; if %r26>=0 then proceed like unsigned + + zdep %r25,30,8,%r1 ; %r1 = (%r25&0xff)<<1 ********* + sub,> 0,%r25,%r1 ; otherwise negate both and + combt,<=,n %r26,%r1,l2 ; swap back if |%r26|<|%r25| + sub 0,%r26,%r25 + movb,tr,n %r1,%r26,l2 ; 10th inst. + +l0: add %r29,%r1,%r29 ; add in this partial product + +l1: zdep %r26,23,24,%r26 ; %r26 <<= 8 ****************** + +l2: zdep %r25,30,8,%r1 ; %r1 = (%r25&0xff)<<1 ********* + +l3: blr %r1,0 ; case on these 8 bits ****** + + extru %r25,23,24,%r25 ; %r25 >>= 8 ****************** + +;16 insts before this. +; %r26 <<= 8 ************************** +x0: comb,<> %r25,0,l2 ! zdep %r26,23,24,%r26 ! bv,n 0(r31) ! nop + +x1: comb,<> %r25,0,l1 ! add %r29,%r26,%r29 ! bv,n 0(r31) ! nop + +x2: comb,<> %r25,0,l1 ! sh1add %r26,%r29,%r29 ! bv,n 0(r31) ! nop + +x3: comb,<> %r25,0,l0 ! sh1add %r26,%r26,%r1 ! bv 0(r31) ! add %r29,%r1,%r29 + +x4: comb,<> %r25,0,l1 ! sh2add %r26,%r29,%r29 ! bv,n 0(r31) ! nop + +x5: comb,<> %r25,0,l0 ! sh2add %r26,%r26,%r1 ! bv 0(r31) ! add %r29,%r1,%r29 + +x6: sh1add %r26,%r26,%r1 ! comb,<> %r25,0,l1 ! sh1add %r1,%r29,%r29 ! bv,n 0(r31) + +x7: sh1add %r26,%r26,%r1 ! comb,<> %r25,0,l0 ! sh2add %r26,%r29,%r29 ! b,n ret_t0 + +x8: comb,<> %r25,0,l1 ! sh3add %r26,%r29,%r29 ! bv,n 0(r31) ! nop + +x9: comb,<> %r25,0,l0 ! sh3add %r26,%r26,%r1 ! bv 0(r31) ! add %r29,%r1,%r29 + +x10: sh2add %r26,%r26,%r1 ! comb,<> %r25,0,l1 ! sh1add %r1,%r29,%r29 ! bv,n 0(r31) + +x11: sh1add %r26,%r26,%r1 ! comb,<> %r25,0,l0 ! sh3add %r26,%r29,%r29 ! b,n ret_t0 + +x12: sh1add %r26,%r26,%r1 ! comb,<> %r25,0,l1 ! sh2add %r1,%r29,%r29 ! bv,n 0(r31) + +x13: sh2add %r26,%r26,%r1 ! comb,<> %r25,0,l0 ! sh3add %r26,%r29,%r29 ! b,n ret_t0 + +x14: sh1add %r26,%r26,%r1 ! sh1add %r1,%r26,%r1 ! b e_shift ! sh1add %r1,%r29,%r29 + +x15: sh2add %r26,%r26,%r1 ! comb,<> %r25,0,l0 ! sh1add %r1,%r1,%r1 ! b,n ret_t0 + +x16: zdep %r26,27,28,%r1 ! comb,<> %r25,0,l1 ! add %r29,%r1,%r29 ! bv,n 0(r31) + +x17: sh3add %r26,%r26,%r1 ! comb,<> %r25,0,l0 ! sh3add %r26,%r1,%r1 ! b,n ret_t0 + +x18: sh3add %r26,%r26,%r1 ! comb,<> %r25,0,l1 ! sh1add %r1,%r29,%r29 ! bv,n 0(r31) + +x19: sh3add %r26,%r26,%r1 ! comb,<> %r25,0,l0 ! sh1add %r1,%r26,%r1 ! b,n ret_t0 + +x20: sh2add %r26,%r26,%r1 ! comb,<> %r25,0,l1 ! sh2add %r1,%r29,%r29 ! bv,n 0(r31) + +x21: sh2add %r26,%r26,%r1 ! comb,<> %r25,0,l0 ! sh2add %r1,%r26,%r1 ! b,n ret_t0 + +x22: sh2add %r26,%r26,%r1 ! sh1add %r1,%r26,%r1 ! b e_shift ! sh1add %r1,%r29,%r29 + +x23: sh2add %r26,%r26,%r1 ! sh1add %r1,%r26,%r1 ! b e_t0 ! sh1add %r1,%r26,%r1 + +x24: sh1add %r26,%r26,%r1 ! comb,<> %r25,0,l1 ! sh3add %r1,%r29,%r29 ! bv,n 0(r31) + +x25: sh2add %r26,%r26,%r1 ! comb,<> %r25,0,l0 ! sh2add %r1,%r1,%r1 ! b,n ret_t0 + +x26: sh1add %r26,%r26,%r1 ! sh2add %r1,%r26,%r1 ! b e_shift ! sh1add %r1,%r29,%r29 + +x27: sh1add %r26,%r26,%r1 ! comb,<> %r25,0,l0 ! sh3add %r1,%r1,%r1 ! b,n ret_t0 + +x28: sh1add %r26,%r26,%r1 ! sh1add %r1,%r26,%r1 ! b e_shift ! sh2add %r1,%r29,%r29 + +x29: sh1add %r26,%r26,%r1 ! sh1add %r1,%r26,%r1 ! b e_t0 ! sh2add %r1,%r26,%r1 + +x30: sh2add %r26,%r26,%r1 ! sh1add %r1,%r1,%r1 ! b e_shift ! sh1add %r1,%r29,%r29 + +x31: zdep %r26,26,27,%r1 ! comb,<> %r25,0,l0 ! sub %r1,%r26,%r1 ! b,n ret_t0 + +x32: zdep %r26,26,27,%r1 ! comb,<> %r25,0,l1 ! add %r29,%r1,%r29 ! bv,n 0(r31) + +x33: sh3add %r26,0,%r1 ! comb,<> %r25,0,l0 ! sh2add %r1,%r26,%r1 ! b,n ret_t0 + +x34: zdep %r26,27,28,%r1 ! add %r1,%r26,%r1 ! b e_shift ! sh1add %r1,%r29,%r29 + +x35: sh3add %r26,%r26,%r1 ! sh1add %r1,%r1,%r1 ! b e_t0 ! sh3add %r26,%r1,%r1 + +x36: sh3add %r26,%r26,%r1 ! comb,<> %r25,0,l1 ! sh2add %r1,%r29,%r29 ! bv,n 0(r31) + +x37: sh3add %r26,%r26,%r1 ! comb,<> %r25,0,l0 ! sh2add %r1,%r26,%r1 ! b,n ret_t0 + +x38: sh3add %r26,%r26,%r1 ! sh1add %r1,%r26,%r1 ! b e_shift ! sh1add %r1,%r29,%r29 + +x39: sh3add %r26,%r26,%r1 ! sh1add %r1,%r26,%r1 ! b e_t0 ! sh1add %r1,%r26,%r1 + +x40: sh2add %r26,%r26,%r1 ! comb,<> %r25,0,l1 ! sh3add %r1,%r29,%r29 ! bv,n 0(r31) + +x41: sh2add %r26,%r26,%r1 ! comb,<> %r25,0,l0 ! sh3add %r1,%r26,%r1 ! b,n ret_t0 + +x42: sh2add %r26,%r26,%r1 ! sh2add %r1,%r26,%r1 ! b e_shift ! sh1add %r1,%r29,%r29 + +x43: sh2add %r26,%r26,%r1 ! sh2add %r1,%r26,%r1 ! b e_t0 ! sh1add %r1,%r26,%r1 + +x44: sh2add %r26,%r26,%r1 ! sh1add %r1,%r26,%r1 ! b e_shift ! sh2add %r1,%r29,%r29 + +x45: sh3add %r26,%r26,%r1 ! comb,<> %r25,0,l0 ! sh2add %r1,%r1,%r1 ! b,n ret_t0 + +x46: sh3add %r26,%r26,%r1 ! sh2add %r1,%r1,%r1 ! b e_t0 ! add %r1,%r26,%r1 + +x47: sh3add %r26,%r26,%r1 ! sh2add %r1,%r1,%r1 ! b e_t0 ! sh1add %r26,%r1,%r1 + +x48: sh1add %r26,%r26,%r1 ! comb,<> %r25,0,l0 ! zdep %r1,27,28,%r1 ! b,n ret_t0 + +x49: sh3add %r26,%r26,%r1 ! sh2add %r1,%r1,%r1 ! b e_t0 ! sh2add %r26,%r1,%r1 + +x50: sh2add %r26,%r26,%r1 ! sh2add %r1,%r1,%r1 ! b e_shift ! sh1add %r1,%r29,%r29 + +x51: sh3add %r26,%r26,%r1 ! sh3add %r26,%r1,%r1 ! b e_t0 ! sh1add %r1,%r1,%r1 + +x52: sh1add %r26,%r26,%r1 ! sh2add %r1,%r26,%r1 ! b e_shift ! sh2add %r1,%r29,%r29 + +x53: sh1add %r26,%r26,%r1 ! sh2add %r1,%r26,%r1 ! b e_t0 ! sh2add %r1,%r26,%r1 + +x54: sh3add %r26,%r26,%r1 ! sh1add %r1,%r1,%r1 ! b e_shift ! sh1add %r1,%r29,%r29 + +x55: sh3add %r26,%r26,%r1 ! sh1add %r1,%r1,%r1 ! b e_t0 ! sh1add %r1,%r26,%r1 + +x56: sh1add %r26,%r26,%r1 ! sh1add %r1,%r26,%r1 ! b e_shift ! sh3add %r1,%r29,%r29 + +x57: sh3add %r26,%r26,%r1 ! sh1add %r1,%r26,%r1 ! b e_t0 ! sh1add %r1,%r1,%r1 + +x58: sh1add %r26,%r26,%r1 ! sh1add %r1,%r26,%r1 ! b e_2t0 ! sh2add %r1,%r26,%r1 + +x59: sh3add %r26,%r26,%r1 ! sh1add %r1,%r26,%r1 ! b e_t02a0 ! sh1add %r1,%r1,%r1 + +x60: sh2add %r26,%r26,%r1 ! sh1add %r1,%r1,%r1 ! b e_shift ! sh2add %r1,%r29,%r29 + +x61: sh2add %r26,%r26,%r1 ! sh1add %r1,%r1,%r1 ! b e_t0 ! sh2add %r1,%r26,%r1 + +x62: zdep %r26,26,27,%r1 ! sub %r1,%r26,%r1 ! b e_shift ! sh1add %r1,%r29,%r29 + +x63: zdep %r26,25,26,%r1 ! comb,<> %r25,0,l0 ! sub %r1,%r26,%r1 ! b,n ret_t0 + +x64: zdep %r26,25,26,%r1 ! comb,<> %r25,0,l1 ! add %r29,%r1,%r29 ! bv,n 0(r31) + +x65: sh3add %r26,0,%r1 ! comb,<> %r25,0,l0 ! sh3add %r1,%r26,%r1 ! b,n ret_t0 + +x66: zdep %r26,26,27,%r1 ! add %r1,%r26,%r1 ! b e_shift ! sh1add %r1,%r29,%r29 + +x67: sh3add %r26,0,%r1 ! sh2add %r1,%r26,%r1 ! b e_t0 ! sh1add %r1,%r26,%r1 + +x68: sh3add %r26,0,%r1 ! sh1add %r1,%r26,%r1 ! b e_shift ! sh2add %r1,%r29,%r29 + +x69: sh3add %r26,0,%r1 ! sh1add %r1,%r26,%r1 ! b e_t0 ! sh2add %r1,%r26,%r1 + +x70: zdep %r26,25,26,%r1 ! sh2add %r26,%r1,%r1 ! b e_t0 ! sh1add %r26,%r1,%r1 + +x71: sh3add %r26,%r26,%r1 ! sh3add %r1,0,%r1 ! b e_t0 ! sub %r1,%r26,%r1 + +x72: sh3add %r26,%r26,%r1 ! comb,<> %r25,0,l1 ! sh3add %r1,%r29,%r29 ! bv,n 0(r31) + +x73: sh3add %r26,%r26,%r1 ! sh3add %r1,%r26,%r1 ! b e_shift ! add %r29,%r1,%r29 + +x74: sh3add %r26,%r26,%r1 ! sh2add %r1,%r26,%r1 ! b e_shift ! sh1add %r1,%r29,%r29 + +x75: sh3add %r26,%r26,%r1 ! sh2add %r1,%r26,%r1 ! b e_t0 ! sh1add %r1,%r26,%r1 + +x76: sh3add %r26,%r26,%r1 ! sh1add %r1,%r26,%r1 ! b e_shift ! sh2add %r1,%r29,%r29 + +x77: sh3add %r26,%r26,%r1 ! sh1add %r1,%r26,%r1 ! b e_t0 ! sh2add %r1,%r26,%r1 + +x78: sh3add %r26,%r26,%r1 ! sh1add %r1,%r26,%r1 ! b e_2t0 ! sh1add %r1,%r26,%r1 + +x79: zdep %r26,27,28,%r1 ! sh2add %r1,%r1,%r1 ! b e_t0 ! sub %r1,%r26,%r1 + +x80: zdep %r26,27,28,%r1 ! sh2add %r1,%r1,%r1 ! b e_shift ! add %r29,%r1,%r29 + +x81: sh3add %r26,%r26,%r1 ! sh3add %r1,%r1,%r1 ! b e_shift ! add %r29,%r1,%r29 + +x82: sh2add %r26,%r26,%r1 ! sh3add %r1,%r26,%r1 ! b e_shift ! sh1add %r1,%r29,%r29 + +x83: sh2add %r26,%r26,%r1 ! sh3add %r1,%r26,%r1 ! b e_t0 ! sh1add %r1,%r26,%r1 + +x84: sh2add %r26,%r26,%r1 ! sh2add %r1,%r26,%r1 ! b e_shift ! sh2add %r1,%r29,%r29 + +x85: sh3add %r26,0,%r1 ! sh1add %r1,%r26,%r1 ! b e_t0 ! sh2add %r1,%r1,%r1 + +x86: sh2add %r26,%r26,%r1 ! sh2add %r1,%r26,%r1 ! b e_2t0 ! sh1add %r1,%r26,%r1 + +x87: sh3add %r26,%r26,%r1 ! sh3add %r1,%r1,%r1 ! b e_t02a0 ! sh2add %r26,%r1,%r1 + +x88: sh2add %r26,%r26,%r1 ! sh1add %r1,%r26,%r1 ! b e_shift ! sh3add %r1,%r29,%r29 + +x89: sh2add %r26,%r26,%r1 ! sh1add %r1,%r26,%r1 ! b e_t0 ! sh3add %r1,%r26,%r1 + +x90: sh3add %r26,%r26,%r1 ! sh2add %r1,%r1,%r1 ! b e_shift ! sh1add %r1,%r29,%r29 + +x91: sh3add %r26,%r26,%r1 ! sh2add %r1,%r1,%r1 ! b e_t0 ! sh1add %r1,%r26,%r1 + +x92: sh2add %r26,%r26,%r1 ! sh1add %r1,%r26,%r1 ! b e_4t0 ! sh1add %r1,%r26,%r1 + +x93: zdep %r26,26,27,%r1 ! sub %r1,%r26,%r1 ! b e_t0 ! sh1add %r1,%r1,%r1 + +x94: sh3add %r26,%r26,%r1 ! sh2add %r1,%r1,%r1 ! b e_2t0 ! sh1add %r26,%r1,%r1 + +x95: sh3add %r26,%r26,%r1 ! sh1add %r1,%r26,%r1 ! b e_t0 ! sh2add %r1,%r1,%r1 + +x96: sh3add %r26,0,%r1 ! sh1add %r1,%r1,%r1 ! b e_shift ! sh2add %r1,%r29,%r29 + +x97: sh3add %r26,0,%r1 ! sh1add %r1,%r1,%r1 ! b e_t0 ! sh2add %r1,%r26,%r1 + +x98: zdep %r26,26,27,%r1 ! sh1add %r1,%r1,%r1 ! b e_t0 ! sh1add %r26,%r1,%r1 + +x99: sh3add %r26,0,%r1 ! sh2add %r1,%r26,%r1 ! b e_t0 ! sh1add %r1,%r1,%r1 + +x100: sh2add %r26,%r26,%r1 ! sh2add %r1,%r1,%r1 ! b e_shift ! sh2add %r1,%r29,%r29 + +x101: sh2add %r26,%r26,%r1 ! sh2add %r1,%r1,%r1 ! b e_t0 ! sh2add %r1,%r26,%r1 + +x102: zdep %r26,26,27,%r1 ! sh1add %r26,%r1,%r1 ! b e_t0 ! sh1add %r1,%r1,%r1 + +x103: sh2add %r26,%r26,%r1 ! sh2add %r1,%r1,%r1 ! b e_t02a0 ! sh2add %r1,%r26,%r1 + +x104: sh1add %r26,%r26,%r1 ! sh2add %r1,%r26,%r1 ! b e_shift ! sh3add %r1,%r29,%r29 + +x105: sh2add %r26,%r26,%r1 ! sh2add %r1,%r26,%r1 ! b e_t0 ! sh2add %r1,%r1,%r1 + +x106: sh1add %r26,%r26,%r1 ! sh2add %r1,%r26,%r1 ! b e_2t0 ! sh2add %r1,%r26,%r1 + +x107: sh3add %r26,%r26,%r1 ! sh2add %r26,%r1,%r1 ! b e_t02a0 ! sh3add %r1,%r26,%r1 + +x108: sh3add %r26,%r26,%r1 ! sh1add %r1,%r1,%r1 ! b e_shift ! sh2add %r1,%r29,%r29 + +x109: sh3add %r26,%r26,%r1 ! sh1add %r1,%r1,%r1 ! b e_t0 ! sh2add %r1,%r26,%r1 + +x110: sh3add %r26,%r26,%r1 ! sh1add %r1,%r1,%r1 ! b e_2t0 ! sh1add %r1,%r26,%r1 + +x111: sh3add %r26,%r26,%r1 ! sh2add %r1,%r26,%r1 ! b e_t0 ! sh1add %r1,%r1,%r1 + +x112: sh1add %r26,%r26,%r1 ! sh1add %r1,%r26,%r1 ! b e_t0 ! zdep %r1,27,28,%r1 + +x113: sh3add %r26,%r26,%r1 ! sh2add %r1,%r26,%r1 ! b e_t02a0 ! sh1add %r1,%r1,%r1 + +x114: sh3add %r26,%r26,%r1 ! sh1add %r1,%r26,%r1 ! b e_2t0 ! sh1add %r1,%r1,%r1 + +x115: sh3add %r26,%r26,%r1 ! sh1add %r1,%r26,%r1 ! b e_2t0a0 ! sh1add %r1,%r1,%r1 + +x116: sh1add %r26,%r26,%r1 ! sh1add %r1,%r26,%r1 ! b e_4t0 ! sh2add %r1,%r26,%r1 + +x117: sh1add %r26,%r26,%r1 ! sh2add %r1,%r26,%r1 ! b e_t0 ! sh3add %r1,%r1,%r1 + +x118: sh1add %r26,%r26,%r1 ! sh2add %r1,%r26,%r1 ! b e_t0a0 ! sh3add %r1,%r1,%r1 + +x119: sh1add %r26,%r26,%r1 ! sh2add %r1,%r26,%r1 ! b e_t02a0 ! sh3add %r1,%r1,%r1 + +x120: sh2add %r26,%r26,%r1 ! sh1add %r1,%r1,%r1 ! b e_shift ! sh3add %r1,%r29,%r29 + +x121: sh2add %r26,%r26,%r1 ! sh1add %r1,%r1,%r1 ! b e_t0 ! sh3add %r1,%r26,%r1 + +x122: sh2add %r26,%r26,%r1 ! sh1add %r1,%r1,%r1 ! b e_2t0 ! sh2add %r1,%r26,%r1 + +x123: sh2add %r26,%r26,%r1 ! sh3add %r1,%r26,%r1 ! b e_t0 ! sh1add %r1,%r1,%r1 + +x124: zdep %r26,26,27,%r1 ! sub %r1,%r26,%r1 ! b e_shift ! sh2add %r1,%r29,%r29 + +x125: sh2add %r26,%r26,%r1 ! sh2add %r1,%r1,%r1 ! b e_t0 ! sh2add %r1,%r1,%r1 + +x126: zdep %r26,25,26,%r1 ! sub %r1,%r26,%r1 ! b e_shift ! sh1add %r1,%r29,%r29 + +x127: zdep %r26,24,25,%r1 ! comb,<> %r25,0,l0 ! sub %r1,%r26,%r1 ! b,n ret_t0 + +x128: zdep %r26,24,25,%r1 ! comb,<> %r25,0,l1 ! add %r29,%r1,%r29 ! bv,n 0(r31) + +x129: zdep %r26,24,25,%r1 ! comb,<> %r25,0,l0 ! add %r1,%r26,%r1 ! b,n ret_t0 + +x130: zdep %r26,25,26,%r1 ! add %r1,%r26,%r1 ! b e_shift ! sh1add %r1,%r29,%r29 + +x131: sh3add %r26,0,%r1 ! sh3add %r1,%r26,%r1 ! b e_t0 ! sh1add %r1,%r26,%r1 + +x132: sh3add %r26,0,%r1 ! sh2add %r1,%r26,%r1 ! b e_shift ! sh2add %r1,%r29,%r29 + +x133: sh3add %r26,0,%r1 ! sh2add %r1,%r26,%r1 ! b e_t0 ! sh2add %r1,%r26,%r1 + +x134: sh3add %r26,0,%r1 ! sh2add %r1,%r26,%r1 ! b e_2t0 ! sh1add %r1,%r26,%r1 + +x135: sh3add %r26,%r26,%r1 ! sh2add %r1,%r1,%r1 ! b e_t0 ! sh1add %r1,%r1,%r1 + +x136: sh3add %r26,0,%r1 ! sh1add %r1,%r26,%r1 ! b e_shift ! sh3add %r1,%r29,%r29 + +x137: sh3add %r26,0,%r1 ! sh1add %r1,%r26,%r1 ! b e_t0 ! sh3add %r1,%r26,%r1 + +x138: sh3add %r26,0,%r1 ! sh1add %r1,%r26,%r1 ! b e_2t0 ! sh2add %r1,%r26,%r1 + +x139: sh3add %r26,0,%r1 ! sh1add %r1,%r26,%r1 ! b e_2t0a0 ! sh2add %r1,%r26,%r1 + +x140: sh1add %r26,%r26,%r1 ! sh1add %r1,%r26,%r1 ! b e_4t0 ! sh2add %r1,%r1,%r1 + +x141: sh3add %r26,0,%r1 ! sh1add %r1,%r26,%r1 ! b e_4t0a0 ! sh1add %r1,%r26,%r1 + +x142: sh3add %r26,%r26,%r1 ! sh3add %r1,0,%r1 ! b e_2t0 ! sub %r1,%r26,%r1 + +x143: zdep %r26,27,28,%r1 ! sh3add %r1,%r1,%r1 ! b e_t0 ! sub %r1,%r26,%r1 + +x144: sh3add %r26,%r26,%r1 ! sh3add %r1,0,%r1 ! b e_shift ! sh1add %r1,%r29,%r29 + +x145: sh3add %r26,%r26,%r1 ! sh3add %r1,0,%r1 ! b e_t0 ! sh1add %r1,%r26,%r1 + +x146: sh3add %r26,%r26,%r1 ! sh3add %r1,%r26,%r1 ! b e_shift ! sh1add %r1,%r29,%r29 + +x147: sh3add %r26,%r26,%r1 ! sh3add %r1,%r26,%r1 ! b e_t0 ! sh1add %r1,%r26,%r1 + +x148: sh3add %r26,%r26,%r1 ! sh2add %r1,%r26,%r1 ! b e_shift ! sh2add %r1,%r29,%r29 + +x149: sh3add %r26,%r26,%r1 ! sh2add %r1,%r26,%r1 ! b e_t0 ! sh2add %r1,%r26,%r1 + +x150: sh3add %r26,%r26,%r1 ! sh2add %r1,%r26,%r1 ! b e_2t0 ! sh1add %r1,%r26,%r1 + +x151: sh3add %r26,%r26,%r1 ! sh2add %r1,%r26,%r1 ! b e_2t0a0 ! sh1add %r1,%r26,%r1 + +x152: sh3add %r26,%r26,%r1 ! sh1add %r1,%r26,%r1 ! b e_shift ! sh3add %r1,%r29,%r29 + +x153: sh3add %r26,%r26,%r1 ! sh1add %r1,%r26,%r1 ! b e_t0 ! sh3add %r1,%r26,%r1 + +x154: sh3add %r26,%r26,%r1 ! sh1add %r1,%r26,%r1 ! b e_2t0 ! sh2add %r1,%r26,%r1 + +x155: zdep %r26,26,27,%r1 ! sub %r1,%r26,%r1 ! b e_t0 ! sh2add %r1,%r1,%r1 + +x156: sh3add %r26,%r26,%r1 ! sh1add %r1,%r26,%r1 ! b e_4t0 ! sh1add %r1,%r26,%r1 + +x157: zdep %r26,26,27,%r1 ! sub %r1,%r26,%r1 ! b e_t02a0 ! sh2add %r1,%r1,%r1 + +x158: zdep %r26,27,28,%r1 ! sh2add %r1,%r1,%r1 ! b e_2t0 ! sub %r1,%r26,%r1 + +x159: zdep %r26,26,27,%r1 ! sh2add %r1,%r1,%r1 ! b e_t0 ! sub %r1,%r26,%r1 + +x160: sh2add %r26,%r26,%r1 ! sh2add %r1,0,%r1 ! b e_shift ! sh3add %r1,%r29,%r29 + +x161: sh3add %r26,0,%r1 ! sh2add %r1,%r1,%r1 ! b e_t0 ! sh2add %r1,%r26,%r1 + +x162: sh3add %r26,%r26,%r1 ! sh3add %r1,%r1,%r1 ! b e_shift ! sh1add %r1,%r29,%r29 + +x163: sh3add %r26,%r26,%r1 ! sh3add %r1,%r1,%r1 ! b e_t0 ! sh1add %r1,%r26,%r1 + +x164: sh2add %r26,%r26,%r1 ! sh3add %r1,%r26,%r1 ! b e_shift ! sh2add %r1,%r29,%r29 + +x165: sh3add %r26,0,%r1 ! sh2add %r1,%r26,%r1 ! b e_t0 ! sh2add %r1,%r1,%r1 + +x166: sh2add %r26,%r26,%r1 ! sh3add %r1,%r26,%r1 ! b e_2t0 ! sh1add %r1,%r26,%r1 + +x167: sh2add %r26,%r26,%r1 ! sh3add %r1,%r26,%r1 ! b e_2t0a0 ! sh1add %r1,%r26,%r1 + +x168: sh2add %r26,%r26,%r1 ! sh2add %r1,%r26,%r1 ! b e_shift ! sh3add %r1,%r29,%r29 + +x169: sh2add %r26,%r26,%r1 ! sh2add %r1,%r26,%r1 ! b e_t0 ! sh3add %r1,%r26,%r1 + +x170: zdep %r26,26,27,%r1 ! sh1add %r26,%r1,%r1 ! b e_t0 ! sh2add %r1,%r1,%r1 + +x171: sh3add %r26,%r26,%r1 ! sh1add %r1,%r26,%r1 ! b e_t0 ! sh3add %r1,%r1,%r1 + +x172: sh2add %r26,%r26,%r1 ! sh2add %r1,%r26,%r1 ! b e_4t0 ! sh1add %r1,%r26,%r1 + +x173: sh3add %r26,%r26,%r1 ! sh1add %r1,%r26,%r1 ! b e_t02a0 ! sh3add %r1,%r1,%r1 + +x174: zdep %r26,26,27,%r1 ! sh1add %r26,%r1,%r1 ! b e_t04a0 ! sh2add %r1,%r1,%r1 + +x175: sh3add %r26,0,%r1 ! sh1add %r1,%r26,%r1 ! b e_5t0 ! sh1add %r1,%r26,%r1 + +x176: sh2add %r26,%r26,%r1 ! sh2add %r1,%r26,%r1 ! b e_8t0 ! add %r1,%r26,%r1 + +x177: sh2add %r26,%r26,%r1 ! sh2add %r1,%r26,%r1 ! b e_8t0a0 ! add %r1,%r26,%r1 + +x178: sh2add %r26,%r26,%r1 ! sh1add %r1,%r26,%r1 ! b e_2t0 ! sh3add %r1,%r26,%r1 + +x179: sh2add %r26,%r26,%r1 ! sh1add %r1,%r26,%r1 ! b e_2t0a0 ! sh3add %r1,%r26,%r1 + +x180: sh3add %r26,%r26,%r1 ! sh2add %r1,%r1,%r1 ! b e_shift ! sh2add %r1,%r29,%r29 + +x181: sh3add %r26,%r26,%r1 ! sh2add %r1,%r1,%r1 ! b e_t0 ! sh2add %r1,%r26,%r1 + +x182: sh3add %r26,%r26,%r1 ! sh2add %r1,%r1,%r1 ! b e_2t0 ! sh1add %r1,%r26,%r1 + +x183: sh3add %r26,%r26,%r1 ! sh2add %r1,%r1,%r1 ! b e_2t0a0 ! sh1add %r1,%r26,%r1 + +x184: sh2add %r26,%r26,%r1 ! sh3add %r1,%r1,%r1 ! b e_4t0 ! add %r1,%r26,%r1 + +x185: sh3add %r26,%r26,%r1 ! sh2add %r1,%r26,%r1 ! b e_t0 ! sh2add %r1,%r1,%r1 + +x186: zdep %r26,26,27,%r1 ! sub %r1,%r26,%r1 ! b e_2t0 ! sh1add %r1,%r1,%r1 + +x187: sh3add %r26,%r26,%r1 ! sh2add %r1,%r26,%r1 ! b e_t02a0 ! sh2add %r1,%r1,%r1 + +x188: sh3add %r26,%r26,%r1 ! sh2add %r1,%r1,%r1 ! b e_4t0 ! sh1add %r26,%r1,%r1 + +x189: sh2add %r26,%r26,%r1 ! sh2add %r1,%r26,%r1 ! b e_t0 ! sh3add %r1,%r1,%r1 + +x190: sh3add %r26,%r26,%r1 ! sh1add %r1,%r26,%r1 ! b e_2t0 ! sh2add %r1,%r1,%r1 + +x191: zdep %r26,25,26,%r1 ! sh1add %r1,%r1,%r1 ! b e_t0 ! sub %r1,%r26,%r1 + +x192: sh3add %r26,0,%r1 ! sh1add %r1,%r1,%r1 ! b e_shift ! sh3add %r1,%r29,%r29 + +x193: sh3add %r26,0,%r1 ! sh1add %r1,%r1,%r1 ! b e_t0 ! sh3add %r1,%r26,%r1 + +x194: sh3add %r26,0,%r1 ! sh1add %r1,%r1,%r1 ! b e_2t0 ! sh2add %r1,%r26,%r1 + +x195: sh3add %r26,0,%r1 ! sh3add %r1,%r26,%r1 ! b e_t0 ! sh1add %r1,%r1,%r1 + +x196: sh3add %r26,0,%r1 ! sh1add %r1,%r1,%r1 ! b e_4t0 ! sh1add %r1,%r26,%r1 + +x197: sh3add %r26,0,%r1 ! sh1add %r1,%r1,%r1 ! b e_4t0a0 ! sh1add %r1,%r26,%r1 + +x198: zdep %r26,25,26,%r1 ! sh1add %r26,%r1,%r1 ! b e_t0 ! sh1add %r1,%r1,%r1 + +x199: sh3add %r26,0,%r1 ! sh2add %r1,%r26,%r1 ! b e_2t0a0 ! sh1add %r1,%r1,%r1 + +x200: sh2add %r26,%r26,%r1 ! sh2add %r1,%r1,%r1 ! b e_shift ! sh3add %r1,%r29,%r29 + +x201: sh2add %r26,%r26,%r1 ! sh2add %r1,%r1,%r1 ! b e_t0 ! sh3add %r1,%r26,%r1 + +x202: sh2add %r26,%r26,%r1 ! sh2add %r1,%r1,%r1 ! b e_2t0 ! sh2add %r1,%r26,%r1 + +x203: sh2add %r26,%r26,%r1 ! sh2add %r1,%r1,%r1 ! b e_2t0a0 ! sh2add %r1,%r26,%r1 + +x204: sh3add %r26,0,%r1 ! sh1add %r1,%r26,%r1 ! b e_4t0 ! sh1add %r1,%r1,%r1 + +x205: sh2add %r26,%r26,%r1 ! sh3add %r1,%r26,%r1 ! b e_t0 ! sh2add %r1,%r1,%r1 + +x206: zdep %r26,25,26,%r1 ! sh2add %r26,%r1,%r1 ! b e_t02a0 ! sh1add %r1,%r1,%r1 + +x207: sh3add %r26,0,%r1 ! sh1add %r1,%r26,%r1 ! b e_3t0 ! sh2add %r1,%r26,%r1 + +x208: sh2add %r26,%r26,%r1 ! sh2add %r1,%r1,%r1 ! b e_8t0 ! add %r1,%r26,%r1 + +x209: sh2add %r26,%r26,%r1 ! sh2add %r1,%r1,%r1 ! b e_8t0a0 ! add %r1,%r26,%r1 + +x210: sh2add %r26,%r26,%r1 ! sh2add %r1,%r26,%r1 ! b e_2t0 ! sh2add %r1,%r1,%r1 + +x211: sh2add %r26,%r26,%r1 ! sh2add %r1,%r26,%r1 ! b e_2t0a0 ! sh2add %r1,%r1,%r1 + +x212: sh1add %r26,%r26,%r1 ! sh2add %r1,%r26,%r1 ! b e_4t0 ! sh2add %r1,%r26,%r1 + +x213: sh1add %r26,%r26,%r1 ! sh2add %r1,%r26,%r1 ! b e_4t0a0 ! sh2add %r1,%r26,%r1 + +x214: sh3add %r26,%r26,%r1 ! sh2add %r26,%r1,%r1 ! b e2t04a0 ! sh3add %r1,%r26,%r1 + +x215: sh2add %r26,%r26,%r1 ! sh2add %r1,%r26,%r1 ! b e_5t0 ! sh1add %r1,%r26,%r1 + +x216: sh3add %r26,%r26,%r1 ! sh1add %r1,%r1,%r1 ! b e_shift ! sh3add %r1,%r29,%r29 + +x217: sh3add %r26,%r26,%r1 ! sh1add %r1,%r1,%r1 ! b e_t0 ! sh3add %r1,%r26,%r1 + +x218: sh3add %r26,%r26,%r1 ! sh1add %r1,%r1,%r1 ! b e_2t0 ! sh2add %r1,%r26,%r1 + +x219: sh3add %r26,%r26,%r1 ! sh3add %r1,%r26,%r1 ! b e_t0 ! sh1add %r1,%r1,%r1 + +x220: sh1add %r26,%r26,%r1 ! sh3add %r1,%r1,%r1 ! b e_4t0 ! sh1add %r1,%r26,%r1 + +x221: sh1add %r26,%r26,%r1 ! sh3add %r1,%r1,%r1 ! b e_4t0a0 ! sh1add %r1,%r26,%r1 + +x222: sh3add %r26,%r26,%r1 ! sh2add %r1,%r26,%r1 ! b e_2t0 ! sh1add %r1,%r1,%r1 + +x223: sh3add %r26,%r26,%r1 ! sh2add %r1,%r26,%r1 ! b e_2t0a0 ! sh1add %r1,%r1,%r1 + +x224: sh3add %r26,%r26,%r1 ! sh1add %r1,%r1,%r1 ! b e_8t0 ! add %r1,%r26,%r1 + +x225: sh3add %r26,%r26,%r1 ! sh2add %r1,%r1,%r1 ! b e_t0 ! sh2add %r1,%r1,%r1 + +x226: sh1add %r26,%r26,%r1 ! sh1add %r1,%r26,%r1 ! b e_t02a0 ! zdep %r1,26,27,%r1 + +x227: sh3add %r26,%r26,%r1 ! sh2add %r1,%r1,%r1 ! b e_t02a0 ! sh2add %r1,%r1,%r1 + +x228: sh3add %r26,%r26,%r1 ! sh1add %r1,%r26,%r1 ! b e_4t0 ! sh1add %r1,%r1,%r1 + +x229: sh3add %r26,%r26,%r1 ! sh1add %r1,%r26,%r1 ! b e_4t0a0 ! sh1add %r1,%r1,%r1 + +x230: sh3add %r26,%r26,%r1 ! sh2add %r1,%r1,%r1 ! b e_5t0 ! add %r1,%r26,%r1 + +x231: sh3add %r26,%r26,%r1 ! sh1add %r1,%r26,%r1 ! b e_3t0 ! sh2add %r1,%r26,%r1 + +x232: sh1add %r26,%r26,%r1 ! sh1add %r1,%r26,%r1 ! b e_8t0 ! sh2add %r1,%r26,%r1 + +x233: sh1add %r26,%r26,%r1 ! sh1add %r1,%r26,%r1 ! b e_8t0a0 ! sh2add %r1,%r26,%r1 + +x234: sh1add %r26,%r26,%r1 ! sh2add %r1,%r26,%r1 ! b e_2t0 ! sh3add %r1,%r1,%r1 + +x235: sh1add %r26,%r26,%r1 ! sh2add %r1,%r26,%r1 ! b e_2t0a0 ! sh3add %r1,%r1,%r1 + +x236: sh3add %r26,%r26,%r1 ! sh1add %r1,%r26,%r1 ! b e4t08a0 ! sh1add %r1,%r1,%r1 + +x237: zdep %r26,27,28,%r1 ! sh2add %r1,%r1,%r1 ! b e_3t0 ! sub %r1,%r26,%r1 + +x238: sh1add %r26,%r26,%r1 ! sh2add %r1,%r26,%r1 ! b e2t04a0 ! sh3add %r1,%r1,%r1 + +x239: zdep %r26,27,28,%r1 ! sh2add %r1,%r1,%r1 ! b e_t0ma0 ! sh1add %r1,%r1,%r1 + +x240: sh3add %r26,%r26,%r1 ! add %r1,%r26,%r1 ! b e_8t0 ! sh1add %r1,%r1,%r1 + +x241: sh3add %r26,%r26,%r1 ! add %r1,%r26,%r1 ! b e_8t0a0 ! sh1add %r1,%r1,%r1 + +x242: sh2add %r26,%r26,%r1 ! sh1add %r1,%r1,%r1 ! b e_2t0 ! sh3add %r1,%r26,%r1 + +x243: sh3add %r26,%r26,%r1 ! sh3add %r1,%r1,%r1 ! b e_t0 ! sh1add %r1,%r1,%r1 + +x244: sh2add %r26,%r26,%r1 ! sh1add %r1,%r1,%r1 ! b e_4t0 ! sh2add %r1,%r26,%r1 + +x245: sh3add %r26,0,%r1 ! sh1add %r1,%r1,%r1 ! b e_5t0 ! sh1add %r1,%r26,%r1 + +x246: sh2add %r26,%r26,%r1 ! sh3add %r1,%r26,%r1 ! b e_2t0 ! sh1add %r1,%r1,%r1 + +x247: sh2add %r26,%r26,%r1 ! sh3add %r1,%r26,%r1 ! b e_2t0a0 ! sh1add %r1,%r1,%r1 + +x248: zdep %r26,26,27,%r1 ! sub %r1,%r26,%r1 ! b e_shift ! sh3add %r1,%r29,%r29 + +x249: zdep %r26,26,27,%r1 ! sub %r1,%r26,%r1 ! b e_t0 ! sh3add %r1,%r26,%r1 + +x250: sh2add %r26,%r26,%r1 ! sh2add %r1,%r1,%r1 ! b e_2t0 ! sh2add %r1,%r1,%r1 + +x251: sh2add %r26,%r26,%r1 ! sh2add %r1,%r1,%r1 ! b e_2t0a0 ! sh2add %r1,%r1,%r1 + +x252: zdep %r26,25,26,%r1 ! sub %r1,%r26,%r1 ! b e_shift ! sh2add %r1,%r29,%r29 + +x253: zdep %r26,25,26,%r1 ! sub %r1,%r26,%r1 ! b e_t0 ! sh2add %r1,%r26,%r1 + +x254: zdep %r26,24,25,%r1 ! sub %r1,%r26,%r1 ! b e_shift ! sh1add %r1,%r29,%r29 + +x255: zdep %r26,23,24,%r1 ! comb,<> %r25,0,l0 ! sub %r1,%r26,%r1 ! b,n ret_t0 + +;1040 insts before this. +ret_t0: bv 0(r31) + +e_t0: add %r29,%r1,%r29 + +e_shift: comb,<> %r25,0,l2 + + zdep %r26,23,24,%r26 ; %r26 <<= 8 *********** + bv,n 0(r31) +e_t0ma0: comb,<> %r25,0,l0 + + sub %r1,%r26,%r1 + bv 0(r31) + add %r29,%r1,%r29 +e_t0a0: comb,<> %r25,0,l0 + + add %r1,%r26,%r1 + bv 0(r31) + add %r29,%r1,%r29 +e_t02a0: comb,<> %r25,0,l0 + + sh1add %r26,%r1,%r1 + bv 0(r31) + add %r29,%r1,%r29 +e_t04a0: comb,<> %r25,0,l0 + + sh2add %r26,%r1,%r1 + bv 0(r31) + add %r29,%r1,%r29 +e_2t0: comb,<> %r25,0,l1 + + sh1add %r1,%r29,%r29 + bv,n 0(r31) +e_2t0a0: comb,<> %r25,0,l0 + + sh1add %r1,%r26,%r1 + bv 0(r31) + add %r29,%r1,%r29 +e2t04a0: sh1add %r26,%r1,%r1 + + comb,<> %r25,0,l1 + sh1add %r1,%r29,%r29 + bv,n 0(r31) +e_3t0: comb,<> %r25,0,l0 + + sh1add %r1,%r1,%r1 + bv 0(r31) + add %r29,%r1,%r29 +e_4t0: comb,<> %r25,0,l1 + + sh2add %r1,%r29,%r29 + bv,n 0(r31) +e_4t0a0: comb,<> %r25,0,l0 + + sh2add %r1,%r26,%r1 + bv 0(r31) + add %r29,%r1,%r29 +e4t08a0: sh1add %r26,%r1,%r1 + + comb,<> %r25,0,l1 + sh2add %r1,%r29,%r29 + bv,n 0(r31) +e_5t0: comb,<> %r25,0,l0 + + sh2add %r1,%r1,%r1 + bv 0(r31) + add %r29,%r1,%r29 +e_8t0: comb,<> %r25,0,l1 + + sh3add %r1,%r29,%r29 + bv,n 0(r31) +e_8t0a0: comb,<> %r25,0,l0 + + sh3add %r1,%r26,%r1 + bv 0(r31) + add %r29,%r1,%r29 + + .procend + .end + + .import $$divI_2,millicode + .import $$divI_3,millicode + .import $$divI_4,millicode + .import $$divI_5,millicode + .import $$divI_6,millicode + .import $$divI_7,millicode + .import $$divI_8,millicode + .import $$divI_9,millicode + .import $$divI_10,millicode + .import $$divI_12,millicode + .import $$divI_14,millicode + .import $$divI_15,millicode + .export $$divI,millicode + .export $$divoI,millicode +$$divoI: + .proc + .callinfo NO_CALLS + comib,=,n -1,arg1,negative1 ; when divisor == -1 +$$divI: + comib,>>=,n 15,arg1,small_divisor + add,>= 0,arg0,retreg ; move dividend, if retreg < 0, +normal1: + sub 0,retreg,retreg ; make it positive + sub 0,arg1,temp ; clear carry, + ; negate the divisor + ds 0,temp,0 ; set V-bit to the comple- + ; ment of the divisor sign + add retreg,retreg,retreg ; shift msb bit into carry + ds r0,arg1,temp ; 1st divide step, if no carry + addc retreg,retreg,retreg ; shift retreg with/into carry + ds temp,arg1,temp ; 2nd divide step + addc retreg,retreg,retreg ; shift retreg with/into carry + ds temp,arg1,temp ; 3rd divide step + addc retreg,retreg,retreg ; shift retreg with/into carry + ds temp,arg1,temp ; 4th divide step + addc retreg,retreg,retreg ; shift retreg with/into carry + ds temp,arg1,temp ; 5th divide step + addc retreg,retreg,retreg ; shift retreg with/into carry + ds temp,arg1,temp ; 6th divide step + addc retreg,retreg,retreg ; shift retreg with/into carry + ds temp,arg1,temp ; 7th divide step + addc retreg,retreg,retreg ; shift retreg with/into carry + ds temp,arg1,temp ; 8th divide step + addc retreg,retreg,retreg ; shift retreg with/into carry + ds temp,arg1,temp ; 9th divide step + addc retreg,retreg,retreg ; shift retreg with/into carry + ds temp,arg1,temp ; 10th divide step + addc retreg,retreg,retreg ; shift retreg with/into carry + ds temp,arg1,temp ; 11th divide step + addc retreg,retreg,retreg ; shift retreg with/into carry + ds temp,arg1,temp ; 12th divide step + addc retreg,retreg,retreg ; shift retreg with/into carry + ds temp,arg1,temp ; 13th divide step + addc retreg,retreg,retreg ; shift retreg with/into carry + ds temp,arg1,temp ; 14th divide step + addc retreg,retreg,retreg ; shift retreg with/into carry + ds temp,arg1,temp ; 15th divide step + addc retreg,retreg,retreg ; shift retreg with/into carry + ds temp,arg1,temp ; 16th divide step + addc retreg,retreg,retreg ; shift retreg with/into carry + ds temp,arg1,temp ; 17th divide step + addc retreg,retreg,retreg ; shift retreg with/into carry + ds temp,arg1,temp ; 18th divide step + addc retreg,retreg,retreg ; shift retreg with/into carry + ds temp,arg1,temp ; 19th divide step + addc retreg,retreg,retreg ; shift retreg with/into carry + ds temp,arg1,temp ; 20th divide step + addc retreg,retreg,retreg ; shift retreg with/into carry + ds temp,arg1,temp ; 21st divide step + addc retreg,retreg,retreg ; shift retreg with/into carry + ds temp,arg1,temp ; 22nd divide step + addc retreg,retreg,retreg ; shift retreg with/into carry + ds temp,arg1,temp ; 23rd divide step + addc retreg,retreg,retreg ; shift retreg with/into carry + ds temp,arg1,temp ; 24th divide step + addc retreg,retreg,retreg ; shift retreg with/into carry + ds temp,arg1,temp ; 25th divide step + addc retreg,retreg,retreg ; shift retreg with/into carry + ds temp,arg1,temp ; 26th divide step + addc retreg,retreg,retreg ; shift retreg with/into carry + ds temp,arg1,temp ; 27th divide step + addc retreg,retreg,retreg ; shift retreg with/into carry + ds temp,arg1,temp ; 28th divide step + addc retreg,retreg,retreg ; shift retreg with/into carry + ds temp,arg1,temp ; 29th divide step + addc retreg,retreg,retreg ; shift retreg with/into carry + ds temp,arg1,temp ; 30th divide step + addc retreg,retreg,retreg ; shift retreg with/into carry + ds temp,arg1,temp ; 31st divide step + addc retreg,retreg,retreg ; shift retreg with/into carry + ds temp,arg1,temp ; 32nd divide step, + addc retreg,retreg,retreg ; shift last retreg bit into retreg + xor,>= arg0,arg1,0 ; get correct sign of quotient + sub 0,retreg,retreg ; based on operand signs + bv,n 0(r31) + nop +;______________________________________________________________________ +small_divisor: + blr,n arg1,r0 + nop +; table for divisor == 0,1, ... ,15 + addit,= 0,arg1,r0 ; trap if divisor == 0 + nop + bv 0(r31) ; divisor == 1 + copy arg0,retreg + b,n $$divI_2 ; divisor == 2 + nop + b,n $$divI_3 ; divisor == 3 + nop + b,n $$divI_4 ; divisor == 4 + nop + b,n $$divI_5 ; divisor == 5 + nop + b,n $$divI_6 ; divisor == 6 + nop + b,n $$divI_7 ; divisor == 7 + nop + b,n $$divI_8 ; divisor == 8 + nop + b,n $$divI_9 ; divisor == 9 + nop + b,n $$divI_10 ; divisor == 10 + nop + b normal1 ; divisor == 11 + add,>= 0,arg0,retreg + b,n $$divI_12 ; divisor == 12 + nop + b normal1 ; divisor == 13 + add,>= 0,arg0,retreg + b,n $$divI_14 ; divisor == 14 + nop + b,n $$divI_15 ; divisor == 15 + nop +;______________________________________________________________________ +negative1: + sub 0,arg0,retreg ; result is negation of dividend + bv 0(r31) + addo arg0,arg1,r0 ; trap iff dividend==0x80000000 && divisor==-1 + .procend + .end diff --git a/sys/lib/libkern/arch/hppa/mulI.S b/sys/lib/libkern/arch/hppa/mulI.S deleted file mode 100644 index 3bf9c1d215b..00000000000 --- a/sys/lib/libkern/arch/hppa/mulI.S +++ /dev/null @@ -1,480 +0,0 @@ -/* $OpenBSD: mulI.S,v 1.1 1998/06/23 18:56:54 mickey Exp $ */ - -/* - * (c) Copyright 1985 HEWLETT-PACKARD COMPANY - * - * To anyone who acknowledges that this file is provided "AS IS" - * without any express or implied warranty: - * permission to use, copy, modify, and distribute this file - * for any purpose is hereby granted without fee, provided that - * the above copyright notice and this notice appears in all - * copies, and that the name of Hewlett-Packard Company not be - * used in advertising or publicity pertaining to distribution - * of the software without specific, written prior permission. - * Hewlett-Packard Company makes no representations about the - * suitability of this software for any purpose. - */ - -#include "prefix.h" - -/* - * Author: Dan Zuras - * Editor: Pratap Subrahmanyam - * - * ROUTINE: $$mulI - * - * - * DESCRIPTION: - * - * $$mulI multiplies two single word integers, giving a single - * word result. - * - * - * INPUT REGISTERS: - * - * arg0 = Operand 1 - * arg1 = Operand 2 - * r31 == return pc - * sr0 == return space when called externally - * - * - * OUTPUT REGISTERS: - * - * arg0 = undefined - * arg1 = undefined - * ret1 = result - * - * OTHER REGISTERS AFFECTED: - * - * r1 = undefined - * - * SIDE EFFECTS: - * - * Causes a trap under the following conditions: NONE - * Changes memory at the following places: NONE - * - * PERMISSIBLE CONTEXT: - * - * Unwindable - * Does not create a stack frame - * Is usable for internal or external microcode - * - * DISCUSSION: - * - * Calls other millicode routines via r31: NONE - * Calls other millicode routines: NONE - * - */ - - -#define a0 %arg0 -#define a1 %arg1 -#define rtn %mrp -#define t0 %r1 -#define r %ret1 - -#define a0__128a0 zdep a0,24,25,a0 -#define a0__256a0 zdep a0,23,24,a0 -#define a1_ne_0_b_l0 comb,<> a1,0,l0 -#define a1_ne_0_b_l1 comb,<> a1,0,l1 -#define a1_ne_0_b_l2 comb,<> a1,0,l2 -#define b_n_ret_t0 b,n ret_t0 -#define b_e_shift b e_shift -#define b_e_t0ma0 b e_t0ma0 -#define b_e_t0 b e_t0 -#define b_e_t0a0 b e_t0a0 -#define b_e_t02a0 b e_t02a0 -#define b_e_t04a0 b e_t04a0 -#define b_e_2t0 b e_2t0 -#define b_e_2t0a0 b e_2t0a0 -#define b_e_2t04a0 b e2t04a0 -#define b_e_3t0 b e_3t0 -#define b_e_4t0 b e_4t0 -#define b_e_4t0a0 b e_4t0a0 -#define b_e_4t08a0 b e4t08a0 -#define b_e_5t0 b e_5t0 -#define b_e_8t0 b e_8t0 -#define b_e_8t0a0 b e_8t0a0 -#define r__r_a0 add r,a0,r -#define r__r_2a0 sh1add a0,r,r -#define r__r_4a0 sh2add a0,r,r -#define r__r_8a0 sh3add a0,r,r -#define r__r_t0 add r,t0,r -#define r__r_2t0 sh1add t0,r,r -#define r__r_4t0 sh2add t0,r,r -#define r__r_8t0 sh3add t0,r,r -; Use MILLIRET and MILLIRETN instead. -; #define return bv 0(rtn) -; #define return_n bv,n 0(rtn) -#define t0__3a0 sh1add a0,a0,t0 -#define t0__4a0 sh2add a0,0,t0 -#define t0__5a0 sh2add a0,a0,t0 -#define t0__8a0 sh3add a0,0,t0 -#define t0__9a0 sh3add a0,a0,t0 -#define t0__16a0 zdep a0,27,28,t0 -#define t0__32a0 zdep a0,26,27,t0 -#define t0__64a0 zdep a0,25,26,t0 -#define t0__128a0 zdep a0,24,25,t0 -#define t0__t0ma0 sub t0,a0,t0 -#define t0__t0_a0 add t0,a0,t0 -#define t0__t0_2a0 sh1add a0,t0,t0 -#define t0__t0_4a0 sh2add a0,t0,t0 -#define t0__t0_8a0 sh3add a0,t0,t0 -#define t0__2t0_a0 sh1add t0,a0,t0 -#define t0__3t0 sh1add t0,t0,t0 -#define t0__4t0 sh2add t0,0,t0 -#define t0__4t0_a0 sh2add t0,a0,t0 -#define t0__5t0 sh2add t0,t0,t0 -#define t0__8t0 sh3add t0,0,t0 -#define t0__8t0_a0 sh3add t0,a0,t0 -#define t0__9t0 sh3add t0,t0,t0 -#define t0__16t0 zdep t0,27,28,t0 -#define t0__32t0 zdep t0,26,27,t0 -#define t0__256a0 zdep a0,23,24,t0 - - - .subspa $MILLICODE$ - .align 16 - .proc - .callinfo millicode - .export $$mulI, millicode -$$mulI - combt,<<= a1,a0,l4 ; swap args if unsigned a1>a0 - copy 0,r ; zero out the result - xor a0,a1,a0 ; swap a0 & a1 using the - xor a0,a1,a1 ; old xor trick - xor a0,a1,a0 -l4 combt,<= 0,a0,l3 ; if a0>=0 then proceed like unsigned - zdep a1,30,8,t0 ; t0 = (a1&0xff)<<1 ********* - sub,> 0,a1,t0 ; otherwise negate both and - combt,<=,n a0,t0,l2 ; swap back if |a0|<|a1| - sub 0,a0,a1 - movb,tr,n t0,a0,l2 ; 10th inst. - -l0 r__r_t0 ; add in this partial product -l1 a0__256a0 ; a0 <<= 8 ****************** -l2 zdep a1,30,8,t0 ; t0 = (a1&0xff)<<1 ********* -l3 blr t0,0 ; case on these 8 bits ****** - extru a1,23,24,a1 ; a1 >>= 8 ****************** - -;16 insts before this. -; a0 <<= 8 ************************** -x0 a1_ne_0_b_l2 ! a0__256a0 ! MILLIRETN ! nop -x1 a1_ne_0_b_l1 ! r__r_a0 ! MILLIRETN ! nop -x2 a1_ne_0_b_l1 ! r__r_2a0 ! MILLIRETN ! nop -x3 a1_ne_0_b_l0 ! t0__3a0 ! MILLIRET ! r__r_t0 -x4 a1_ne_0_b_l1 ! r__r_4a0 ! MILLIRETN ! nop -x5 a1_ne_0_b_l0 ! t0__5a0 ! MILLIRET ! r__r_t0 -x6 t0__3a0 ! a1_ne_0_b_l1 ! r__r_2t0 ! MILLIRETN -x7 t0__3a0 ! a1_ne_0_b_l0 ! r__r_4a0 ! b_n_ret_t0 -x8 a1_ne_0_b_l1 ! r__r_8a0 ! MILLIRETN ! nop -x9 a1_ne_0_b_l0 ! t0__9a0 ! MILLIRET ! r__r_t0 -x10 t0__5a0 ! a1_ne_0_b_l1 ! r__r_2t0 ! MILLIRETN -x11 t0__3a0 ! a1_ne_0_b_l0 ! r__r_8a0 ! b_n_ret_t0 -x12 t0__3a0 ! a1_ne_0_b_l1 ! r__r_4t0 ! MILLIRETN -x13 t0__5a0 ! a1_ne_0_b_l0 ! r__r_8a0 ! b_n_ret_t0 -x14 t0__3a0 ! t0__2t0_a0 ! b_e_shift ! r__r_2t0 -x15 t0__5a0 ! a1_ne_0_b_l0 ! t0__3t0 ! b_n_ret_t0 -x16 t0__16a0 ! a1_ne_0_b_l1 ! r__r_t0 ! MILLIRETN -x17 t0__9a0 ! a1_ne_0_b_l0 ! t0__t0_8a0 ! b_n_ret_t0 -x18 t0__9a0 ! a1_ne_0_b_l1 ! r__r_2t0 ! MILLIRETN -x19 t0__9a0 ! a1_ne_0_b_l0 ! t0__2t0_a0 ! b_n_ret_t0 -x20 t0__5a0 ! a1_ne_0_b_l1 ! r__r_4t0 ! MILLIRETN -x21 t0__5a0 ! a1_ne_0_b_l0 ! t0__4t0_a0 ! b_n_ret_t0 -x22 t0__5a0 ! t0__2t0_a0 ! b_e_shift ! r__r_2t0 -x23 t0__5a0 ! t0__2t0_a0 ! b_e_t0 ! t0__2t0_a0 -x24 t0__3a0 ! a1_ne_0_b_l1 ! r__r_8t0 ! MILLIRETN -x25 t0__5a0 ! a1_ne_0_b_l0 ! t0__5t0 ! b_n_ret_t0 -x26 t0__3a0 ! t0__4t0_a0 ! b_e_shift ! r__r_2t0 -x27 t0__3a0 ! a1_ne_0_b_l0 ! t0__9t0 ! b_n_ret_t0 -x28 t0__3a0 ! t0__2t0_a0 ! b_e_shift ! r__r_4t0 -x29 t0__3a0 ! t0__2t0_a0 ! b_e_t0 ! t0__4t0_a0 -x30 t0__5a0 ! t0__3t0 ! b_e_shift ! r__r_2t0 -x31 t0__32a0 ! a1_ne_0_b_l0 ! t0__t0ma0 ! b_n_ret_t0 -x32 t0__32a0 ! a1_ne_0_b_l1 ! r__r_t0 ! MILLIRETN -x33 t0__8a0 ! a1_ne_0_b_l0 ! t0__4t0_a0 ! b_n_ret_t0 -x34 t0__16a0 ! t0__t0_a0 ! b_e_shift ! r__r_2t0 -x35 t0__9a0 ! t0__3t0 ! b_e_t0 ! t0__t0_8a0 -x36 t0__9a0 ! a1_ne_0_b_l1 ! r__r_4t0 ! MILLIRETN -x37 t0__9a0 ! a1_ne_0_b_l0 ! t0__4t0_a0 ! b_n_ret_t0 -x38 t0__9a0 ! t0__2t0_a0 ! b_e_shift ! r__r_2t0 -x39 t0__9a0 ! t0__2t0_a0 ! b_e_t0 ! t0__2t0_a0 -x40 t0__5a0 ! a1_ne_0_b_l1 ! r__r_8t0 ! MILLIRETN -x41 t0__5a0 ! a1_ne_0_b_l0 ! t0__8t0_a0 ! b_n_ret_t0 -x42 t0__5a0 ! t0__4t0_a0 ! b_e_shift ! r__r_2t0 -x43 t0__5a0 ! t0__4t0_a0 ! b_e_t0 ! t0__2t0_a0 -x44 t0__5a0 ! t0__2t0_a0 ! b_e_shift ! r__r_4t0 -x45 t0__9a0 ! a1_ne_0_b_l0 ! t0__5t0 ! b_n_ret_t0 -x46 t0__9a0 ! t0__5t0 ! b_e_t0 ! t0__t0_a0 -x47 t0__9a0 ! t0__5t0 ! b_e_t0 ! t0__t0_2a0 -x48 t0__3a0 ! a1_ne_0_b_l0 ! t0__16t0 ! b_n_ret_t0 -x49 t0__9a0 ! t0__5t0 ! b_e_t0 ! t0__t0_4a0 -x50 t0__5a0 ! t0__5t0 ! b_e_shift ! r__r_2t0 -x51 t0__9a0 ! t0__t0_8a0 ! b_e_t0 ! t0__3t0 -x52 t0__3a0 ! t0__4t0_a0 ! b_e_shift ! r__r_4t0 -x53 t0__3a0 ! t0__4t0_a0 ! b_e_t0 ! t0__4t0_a0 -x54 t0__9a0 ! t0__3t0 ! b_e_shift ! r__r_2t0 -x55 t0__9a0 ! t0__3t0 ! b_e_t0 ! t0__2t0_a0 -x56 t0__3a0 ! t0__2t0_a0 ! b_e_shift ! r__r_8t0 -x57 t0__9a0 ! t0__2t0_a0 ! b_e_t0 ! t0__3t0 -x58 t0__3a0 ! t0__2t0_a0 ! b_e_2t0 ! t0__4t0_a0 -x59 t0__9a0 ! t0__2t0_a0 ! b_e_t02a0 ! t0__3t0 -x60 t0__5a0 ! t0__3t0 ! b_e_shift ! r__r_4t0 -x61 t0__5a0 ! t0__3t0 ! b_e_t0 ! t0__4t0_a0 -x62 t0__32a0 ! t0__t0ma0 ! b_e_shift ! r__r_2t0 -x63 t0__64a0 ! a1_ne_0_b_l0 ! t0__t0ma0 ! b_n_ret_t0 -x64 t0__64a0 ! a1_ne_0_b_l1 ! r__r_t0 ! MILLIRETN -x65 t0__8a0 ! a1_ne_0_b_l0 ! t0__8t0_a0 ! b_n_ret_t0 -x66 t0__32a0 ! t0__t0_a0 ! b_e_shift ! r__r_2t0 -x67 t0__8a0 ! t0__4t0_a0 ! b_e_t0 ! t0__2t0_a0 -x68 t0__8a0 ! t0__2t0_a0 ! b_e_shift ! r__r_4t0 -x69 t0__8a0 ! t0__2t0_a0 ! b_e_t0 ! t0__4t0_a0 -x70 t0__64a0 ! t0__t0_4a0 ! b_e_t0 ! t0__t0_2a0 -x71 t0__9a0 ! t0__8t0 ! b_e_t0 ! t0__t0ma0 -x72 t0__9a0 ! a1_ne_0_b_l1 ! r__r_8t0 ! MILLIRETN -x73 t0__9a0 ! t0__8t0_a0 ! b_e_shift ! r__r_t0 -x74 t0__9a0 ! t0__4t0_a0 ! b_e_shift ! r__r_2t0 -x75 t0__9a0 ! t0__4t0_a0 ! b_e_t0 ! t0__2t0_a0 -x76 t0__9a0 ! t0__2t0_a0 ! b_e_shift ! r__r_4t0 -x77 t0__9a0 ! t0__2t0_a0 ! b_e_t0 ! t0__4t0_a0 -x78 t0__9a0 ! t0__2t0_a0 ! b_e_2t0 ! t0__2t0_a0 -x79 t0__16a0 ! t0__5t0 ! b_e_t0 ! t0__t0ma0 -x80 t0__16a0 ! t0__5t0 ! b_e_shift ! r__r_t0 -x81 t0__9a0 ! t0__9t0 ! b_e_shift ! r__r_t0 -x82 t0__5a0 ! t0__8t0_a0 ! b_e_shift ! r__r_2t0 -x83 t0__5a0 ! t0__8t0_a0 ! b_e_t0 ! t0__2t0_a0 -x84 t0__5a0 ! t0__4t0_a0 ! b_e_shift ! r__r_4t0 -x85 t0__8a0 ! t0__2t0_a0 ! b_e_t0 ! t0__5t0 -x86 t0__5a0 ! t0__4t0_a0 ! b_e_2t0 ! t0__2t0_a0 -x87 t0__9a0 ! t0__9t0 ! b_e_t02a0 ! t0__t0_4a0 -x88 t0__5a0 ! t0__2t0_a0 ! b_e_shift ! r__r_8t0 -x89 t0__5a0 ! t0__2t0_a0 ! b_e_t0 ! t0__8t0_a0 -x90 t0__9a0 ! t0__5t0 ! b_e_shift ! r__r_2t0 -x91 t0__9a0 ! t0__5t0 ! b_e_t0 ! t0__2t0_a0 -x92 t0__5a0 ! t0__2t0_a0 ! b_e_4t0 ! t0__2t0_a0 -x93 t0__32a0 ! t0__t0ma0 ! b_e_t0 ! t0__3t0 -x94 t0__9a0 ! t0__5t0 ! b_e_2t0 ! t0__t0_2a0 -x95 t0__9a0 ! t0__2t0_a0 ! b_e_t0 ! t0__5t0 -x96 t0__8a0 ! t0__3t0 ! b_e_shift ! r__r_4t0 -x97 t0__8a0 ! t0__3t0 ! b_e_t0 ! t0__4t0_a0 -x98 t0__32a0 ! t0__3t0 ! b_e_t0 ! t0__t0_2a0 -x99 t0__8a0 ! t0__4t0_a0 ! b_e_t0 ! t0__3t0 -x100 t0__5a0 ! t0__5t0 ! b_e_shift ! r__r_4t0 -x101 t0__5a0 ! t0__5t0 ! b_e_t0 ! t0__4t0_a0 -x102 t0__32a0 ! t0__t0_2a0 ! b_e_t0 ! t0__3t0 -x103 t0__5a0 ! t0__5t0 ! b_e_t02a0 ! t0__4t0_a0 -x104 t0__3a0 ! t0__4t0_a0 ! b_e_shift ! r__r_8t0 -x105 t0__5a0 ! t0__4t0_a0 ! b_e_t0 ! t0__5t0 -x106 t0__3a0 ! t0__4t0_a0 ! b_e_2t0 ! t0__4t0_a0 -x107 t0__9a0 ! t0__t0_4a0 ! b_e_t02a0 ! t0__8t0_a0 -x108 t0__9a0 ! t0__3t0 ! b_e_shift ! r__r_4t0 -x109 t0__9a0 ! t0__3t0 ! b_e_t0 ! t0__4t0_a0 -x110 t0__9a0 ! t0__3t0 ! b_e_2t0 ! t0__2t0_a0 -x111 t0__9a0 ! t0__4t0_a0 ! b_e_t0 ! t0__3t0 -x112 t0__3a0 ! t0__2t0_a0 ! b_e_t0 ! t0__16t0 -x113 t0__9a0 ! t0__4t0_a0 ! b_e_t02a0 ! t0__3t0 -x114 t0__9a0 ! t0__2t0_a0 ! b_e_2t0 ! t0__3t0 -x115 t0__9a0 ! t0__2t0_a0 ! b_e_2t0a0 ! t0__3t0 -x116 t0__3a0 ! t0__2t0_a0 ! b_e_4t0 ! t0__4t0_a0 -x117 t0__3a0 ! t0__4t0_a0 ! b_e_t0 ! t0__9t0 -x118 t0__3a0 ! t0__4t0_a0 ! b_e_t0a0 ! t0__9t0 -x119 t0__3a0 ! t0__4t0_a0 ! b_e_t02a0 ! t0__9t0 -x120 t0__5a0 ! t0__3t0 ! b_e_shift ! r__r_8t0 -x121 t0__5a0 ! t0__3t0 ! b_e_t0 ! t0__8t0_a0 -x122 t0__5a0 ! t0__3t0 ! b_e_2t0 ! t0__4t0_a0 -x123 t0__5a0 ! t0__8t0_a0 ! b_e_t0 ! t0__3t0 -x124 t0__32a0 ! t0__t0ma0 ! b_e_shift ! r__r_4t0 -x125 t0__5a0 ! t0__5t0 ! b_e_t0 ! t0__5t0 -x126 t0__64a0 ! t0__t0ma0 ! b_e_shift ! r__r_2t0 -x127 t0__128a0 ! a1_ne_0_b_l0 ! t0__t0ma0 ! b_n_ret_t0 -x128 t0__128a0 ! a1_ne_0_b_l1 ! r__r_t0 ! MILLIRETN -x129 t0__128a0 ! a1_ne_0_b_l0 ! t0__t0_a0 ! b_n_ret_t0 -x130 t0__64a0 ! t0__t0_a0 ! b_e_shift ! r__r_2t0 -x131 t0__8a0 ! t0__8t0_a0 ! b_e_t0 ! t0__2t0_a0 -x132 t0__8a0 ! t0__4t0_a0 ! b_e_shift ! r__r_4t0 -x133 t0__8a0 ! t0__4t0_a0 ! b_e_t0 ! t0__4t0_a0 -x134 t0__8a0 ! t0__4t0_a0 ! b_e_2t0 ! t0__2t0_a0 -x135 t0__9a0 ! t0__5t0 ! b_e_t0 ! t0__3t0 -x136 t0__8a0 ! t0__2t0_a0 ! b_e_shift ! r__r_8t0 -x137 t0__8a0 ! t0__2t0_a0 ! b_e_t0 ! t0__8t0_a0 -x138 t0__8a0 ! t0__2t0_a0 ! b_e_2t0 ! t0__4t0_a0 -x139 t0__8a0 ! t0__2t0_a0 ! b_e_2t0a0 ! t0__4t0_a0 -x140 t0__3a0 ! t0__2t0_a0 ! b_e_4t0 ! t0__5t0 -x141 t0__8a0 ! t0__2t0_a0 ! b_e_4t0a0 ! t0__2t0_a0 -x142 t0__9a0 ! t0__8t0 ! b_e_2t0 ! t0__t0ma0 -x143 t0__16a0 ! t0__9t0 ! b_e_t0 ! t0__t0ma0 -x144 t0__9a0 ! t0__8t0 ! b_e_shift ! r__r_2t0 -x145 t0__9a0 ! t0__8t0 ! b_e_t0 ! t0__2t0_a0 -x146 t0__9a0 ! t0__8t0_a0 ! b_e_shift ! r__r_2t0 -x147 t0__9a0 ! t0__8t0_a0 ! b_e_t0 ! t0__2t0_a0 -x148 t0__9a0 ! t0__4t0_a0 ! b_e_shift ! r__r_4t0 -x149 t0__9a0 ! t0__4t0_a0 ! b_e_t0 ! t0__4t0_a0 -x150 t0__9a0 ! t0__4t0_a0 ! b_e_2t0 ! t0__2t0_a0 -x151 t0__9a0 ! t0__4t0_a0 ! b_e_2t0a0 ! t0__2t0_a0 -x152 t0__9a0 ! t0__2t0_a0 ! b_e_shift ! r__r_8t0 -x153 t0__9a0 ! t0__2t0_a0 ! b_e_t0 ! t0__8t0_a0 -x154 t0__9a0 ! t0__2t0_a0 ! b_e_2t0 ! t0__4t0_a0 -x155 t0__32a0 ! t0__t0ma0 ! b_e_t0 ! t0__5t0 -x156 t0__9a0 ! t0__2t0_a0 ! b_e_4t0 ! t0__2t0_a0 -x157 t0__32a0 ! t0__t0ma0 ! b_e_t02a0 ! t0__5t0 -x158 t0__16a0 ! t0__5t0 ! b_e_2t0 ! t0__t0ma0 -x159 t0__32a0 ! t0__5t0 ! b_e_t0 ! t0__t0ma0 -x160 t0__5a0 ! t0__4t0 ! b_e_shift ! r__r_8t0 -x161 t0__8a0 ! t0__5t0 ! b_e_t0 ! t0__4t0_a0 -x162 t0__9a0 ! t0__9t0 ! b_e_shift ! r__r_2t0 -x163 t0__9a0 ! t0__9t0 ! b_e_t0 ! t0__2t0_a0 -x164 t0__5a0 ! t0__8t0_a0 ! b_e_shift ! r__r_4t0 -x165 t0__8a0 ! t0__4t0_a0 ! b_e_t0 ! t0__5t0 -x166 t0__5a0 ! t0__8t0_a0 ! b_e_2t0 ! t0__2t0_a0 -x167 t0__5a0 ! t0__8t0_a0 ! b_e_2t0a0 ! t0__2t0_a0 -x168 t0__5a0 ! t0__4t0_a0 ! b_e_shift ! r__r_8t0 -x169 t0__5a0 ! t0__4t0_a0 ! b_e_t0 ! t0__8t0_a0 -x170 t0__32a0 ! t0__t0_2a0 ! b_e_t0 ! t0__5t0 -x171 t0__9a0 ! t0__2t0_a0 ! b_e_t0 ! t0__9t0 -x172 t0__5a0 ! t0__4t0_a0 ! b_e_4t0 ! t0__2t0_a0 -x173 t0__9a0 ! t0__2t0_a0 ! b_e_t02a0 ! t0__9t0 -x174 t0__32a0 ! t0__t0_2a0 ! b_e_t04a0 ! t0__5t0 -x175 t0__8a0 ! t0__2t0_a0 ! b_e_5t0 ! t0__2t0_a0 -x176 t0__5a0 ! t0__4t0_a0 ! b_e_8t0 ! t0__t0_a0 -x177 t0__5a0 ! t0__4t0_a0 ! b_e_8t0a0 ! t0__t0_a0 -x178 t0__5a0 ! t0__2t0_a0 ! b_e_2t0 ! t0__8t0_a0 -x179 t0__5a0 ! t0__2t0_a0 ! b_e_2t0a0 ! t0__8t0_a0 -x180 t0__9a0 ! t0__5t0 ! b_e_shift ! r__r_4t0 -x181 t0__9a0 ! t0__5t0 ! b_e_t0 ! t0__4t0_a0 -x182 t0__9a0 ! t0__5t0 ! b_e_2t0 ! t0__2t0_a0 -x183 t0__9a0 ! t0__5t0 ! b_e_2t0a0 ! t0__2t0_a0 -x184 t0__5a0 ! t0__9t0 ! b_e_4t0 ! t0__t0_a0 -x185 t0__9a0 ! t0__4t0_a0 ! b_e_t0 ! t0__5t0 -x186 t0__32a0 ! t0__t0ma0 ! b_e_2t0 ! t0__3t0 -x187 t0__9a0 ! t0__4t0_a0 ! b_e_t02a0 ! t0__5t0 -x188 t0__9a0 ! t0__5t0 ! b_e_4t0 ! t0__t0_2a0 -x189 t0__5a0 ! t0__4t0_a0 ! b_e_t0 ! t0__9t0 -x190 t0__9a0 ! t0__2t0_a0 ! b_e_2t0 ! t0__5t0 -x191 t0__64a0 ! t0__3t0 ! b_e_t0 ! t0__t0ma0 -x192 t0__8a0 ! t0__3t0 ! b_e_shift ! r__r_8t0 -x193 t0__8a0 ! t0__3t0 ! b_e_t0 ! t0__8t0_a0 -x194 t0__8a0 ! t0__3t0 ! b_e_2t0 ! t0__4t0_a0 -x195 t0__8a0 ! t0__8t0_a0 ! b_e_t0 ! t0__3t0 -x196 t0__8a0 ! t0__3t0 ! b_e_4t0 ! t0__2t0_a0 -x197 t0__8a0 ! t0__3t0 ! b_e_4t0a0 ! t0__2t0_a0 -x198 t0__64a0 ! t0__t0_2a0 ! b_e_t0 ! t0__3t0 -x199 t0__8a0 ! t0__4t0_a0 ! b_e_2t0a0 ! t0__3t0 -x200 t0__5a0 ! t0__5t0 ! b_e_shift ! r__r_8t0 -x201 t0__5a0 ! t0__5t0 ! b_e_t0 ! t0__8t0_a0 -x202 t0__5a0 ! t0__5t0 ! b_e_2t0 ! t0__4t0_a0 -x203 t0__5a0 ! t0__5t0 ! b_e_2t0a0 ! t0__4t0_a0 -x204 t0__8a0 ! t0__2t0_a0 ! b_e_4t0 ! t0__3t0 -x205 t0__5a0 ! t0__8t0_a0 ! b_e_t0 ! t0__5t0 -x206 t0__64a0 ! t0__t0_4a0 ! b_e_t02a0 ! t0__3t0 -x207 t0__8a0 ! t0__2t0_a0 ! b_e_3t0 ! t0__4t0_a0 -x208 t0__5a0 ! t0__5t0 ! b_e_8t0 ! t0__t0_a0 -x209 t0__5a0 ! t0__5t0 ! b_e_8t0a0 ! t0__t0_a0 -x210 t0__5a0 ! t0__4t0_a0 ! b_e_2t0 ! t0__5t0 -x211 t0__5a0 ! t0__4t0_a0 ! b_e_2t0a0 ! t0__5t0 -x212 t0__3a0 ! t0__4t0_a0 ! b_e_4t0 ! t0__4t0_a0 -x213 t0__3a0 ! t0__4t0_a0 ! b_e_4t0a0 ! t0__4t0_a0 -x214 t0__9a0 ! t0__t0_4a0 ! b_e_2t04a0 ! t0__8t0_a0 -x215 t0__5a0 ! t0__4t0_a0 ! b_e_5t0 ! t0__2t0_a0 -x216 t0__9a0 ! t0__3t0 ! b_e_shift ! r__r_8t0 -x217 t0__9a0 ! t0__3t0 ! b_e_t0 ! t0__8t0_a0 -x218 t0__9a0 ! t0__3t0 ! b_e_2t0 ! t0__4t0_a0 -x219 t0__9a0 ! t0__8t0_a0 ! b_e_t0 ! t0__3t0 -x220 t0__3a0 ! t0__9t0 ! b_e_4t0 ! t0__2t0_a0 -x221 t0__3a0 ! t0__9t0 ! b_e_4t0a0 ! t0__2t0_a0 -x222 t0__9a0 ! t0__4t0_a0 ! b_e_2t0 ! t0__3t0 -x223 t0__9a0 ! t0__4t0_a0 ! b_e_2t0a0 ! t0__3t0 -x224 t0__9a0 ! t0__3t0 ! b_e_8t0 ! t0__t0_a0 -x225 t0__9a0 ! t0__5t0 ! b_e_t0 ! t0__5t0 -x226 t0__3a0 ! t0__2t0_a0 ! b_e_t02a0 ! t0__32t0 -x227 t0__9a0 ! t0__5t0 ! b_e_t02a0 ! t0__5t0 -x228 t0__9a0 ! t0__2t0_a0 ! b_e_4t0 ! t0__3t0 -x229 t0__9a0 ! t0__2t0_a0 ! b_e_4t0a0 ! t0__3t0 -x230 t0__9a0 ! t0__5t0 ! b_e_5t0 ! t0__t0_a0 -x231 t0__9a0 ! t0__2t0_a0 ! b_e_3t0 ! t0__4t0_a0 -x232 t0__3a0 ! t0__2t0_a0 ! b_e_8t0 ! t0__4t0_a0 -x233 t0__3a0 ! t0__2t0_a0 ! b_e_8t0a0 ! t0__4t0_a0 -x234 t0__3a0 ! t0__4t0_a0 ! b_e_2t0 ! t0__9t0 -x235 t0__3a0 ! t0__4t0_a0 ! b_e_2t0a0 ! t0__9t0 -x236 t0__9a0 ! t0__2t0_a0 ! b_e_4t08a0 ! t0__3t0 -x237 t0__16a0 ! t0__5t0 ! b_e_3t0 ! t0__t0ma0 -x238 t0__3a0 ! t0__4t0_a0 ! b_e_2t04a0 ! t0__9t0 -x239 t0__16a0 ! t0__5t0 ! b_e_t0ma0 ! t0__3t0 -x240 t0__9a0 ! t0__t0_a0 ! b_e_8t0 ! t0__3t0 -x241 t0__9a0 ! t0__t0_a0 ! b_e_8t0a0 ! t0__3t0 -x242 t0__5a0 ! t0__3t0 ! b_e_2t0 ! t0__8t0_a0 -x243 t0__9a0 ! t0__9t0 ! b_e_t0 ! t0__3t0 -x244 t0__5a0 ! t0__3t0 ! b_e_4t0 ! t0__4t0_a0 -x245 t0__8a0 ! t0__3t0 ! b_e_5t0 ! t0__2t0_a0 -x246 t0__5a0 ! t0__8t0_a0 ! b_e_2t0 ! t0__3t0 -x247 t0__5a0 ! t0__8t0_a0 ! b_e_2t0a0 ! t0__3t0 -x248 t0__32a0 ! t0__t0ma0 ! b_e_shift ! r__r_8t0 -x249 t0__32a0 ! t0__t0ma0 ! b_e_t0 ! t0__8t0_a0 -x250 t0__5a0 ! t0__5t0 ! b_e_2t0 ! t0__5t0 -x251 t0__5a0 ! t0__5t0 ! b_e_2t0a0 ! t0__5t0 -x252 t0__64a0 ! t0__t0ma0 ! b_e_shift ! r__r_4t0 -x253 t0__64a0 ! t0__t0ma0 ! b_e_t0 ! t0__4t0_a0 -x254 t0__128a0 ! t0__t0ma0 ! b_e_shift ! r__r_2t0 -x255 t0__256a0 ! a1_ne_0_b_l0 ! t0__t0ma0 ! b_n_ret_t0 -;1040 insts before this. -ret_t0 MILLIRET -e_t0 r__r_t0 -e_shift a1_ne_0_b_l2 - a0__256a0 ; a0 <<= 8 *********** - MILLIRETN -e_t0ma0 a1_ne_0_b_l0 - t0__t0ma0 - MILLIRET - r__r_t0 -e_t0a0 a1_ne_0_b_l0 - t0__t0_a0 - MILLIRET - r__r_t0 -e_t02a0 a1_ne_0_b_l0 - t0__t0_2a0 - MILLIRET - r__r_t0 -e_t04a0 a1_ne_0_b_l0 - t0__t0_4a0 - MILLIRET - r__r_t0 -e_2t0 a1_ne_0_b_l1 - r__r_2t0 - MILLIRETN -e_2t0a0 a1_ne_0_b_l0 - t0__2t0_a0 - MILLIRET - r__r_t0 -e2t04a0 t0__t0_2a0 - a1_ne_0_b_l1 - r__r_2t0 - MILLIRETN -e_3t0 a1_ne_0_b_l0 - t0__3t0 - MILLIRET - r__r_t0 -e_4t0 a1_ne_0_b_l1 - r__r_4t0 - MILLIRETN -e_4t0a0 a1_ne_0_b_l0 - t0__4t0_a0 - MILLIRET - r__r_t0 -e4t08a0 t0__t0_2a0 - a1_ne_0_b_l1 - r__r_4t0 - MILLIRETN -e_5t0 a1_ne_0_b_l0 - t0__5t0 - MILLIRET - r__r_t0 -e_8t0 a1_ne_0_b_l1 - r__r_8t0 - MILLIRETN -e_8t0a0 a1_ne_0_b_l0 - t0__8t0_a0 - MILLIRET - r__r_t0 - - .procend - .end - diff --git a/sys/lib/libkern/arch/hppa/mulU.S b/sys/lib/libkern/arch/hppa/mulU.S deleted file mode 100644 index 10147a8bb42..00000000000 --- a/sys/lib/libkern/arch/hppa/mulU.S +++ /dev/null @@ -1,131 +0,0 @@ -/* $OpenBSD: mulU.S,v 1.1 1998/06/23 18:56:54 mickey Exp $ */ - -/* - * (c) Copyright 1985 HEWLETT-PACKARD COMPANY - * - * To anyone who acknowledges that this file is provided "AS IS" - * without any express or implied warranty: - * permission to use, copy, modify, and distribute this file - * for any purpose is hereby granted without fee, provided that - * the above copyright notice and this notice appears in all - * copies, and that the name of Hewlett-Packard Company not be - * used in advertising or publicity pertaining to distribution - * of the software without specific, written prior permission. - * Hewlett-Packard Company makes no representations about the - * suitability of this software for any purpose. - */ - -#include "prefix.h" - -/* - * - * Editor: Michael J. Eager - * - * - * ROUTINE: $$mulU - * - * - * DESCRIPTION: - * - * $$mulU multiplies two single word unsigned integers, giving a single - * word result. - * - * - * INPUT REGISTERS: - * - * arg0 = Operand 1 - * arg1 = Operand 2 - * r31 == return pc - * sr0 == return space when called externally - * - * - * OUTPUT REGISTERS: - * - * arg0 = undefined - * arg1 = undefined - * ret1 = result - * - * OTHER REGISTERS AFFECTED: - * - * r1 = undefined - * - * SIDE EFFECTS: - * - * Causes a trap under the following conditions: NONE - * Changes memory at the following places: NONE - * - * PERMISSIBLE CONTEXT: - * - * Unwindable - * Does not create a stack frame - * Is usable for internal or external microcode - * - * DISCUSSION: - * - * Calls other millicode routines via r31: NONE - * Calls other millicode routines: NONE - */ - -DEFINE(tmp,r1) -DEFINE(retreg,ret1) - - .subspa $MILLICODE$ - .proc - .callinfo millicode - - .entry -$$mulU - .export $$mulU,MILLICODE - - combt,<<= arg1,arg0,$loop - add 0,0,retreg - add 0,arg1,tmp - add 0,arg0,arg1 - add 0,tmp,arg0 -$loop extru arg1,31,4,tmp - blr tmp,0 - extru arg1,27,28,arg1 - comb,=,n arg1,0,$return - b,n $shmcand - movb,tr arg0,tmp,$addtmp - comb,= arg1,0,$return -$two b $endloop - sh1add arg0,0,tmp - b $endloop - sh1add arg0,arg0,tmp - b $endloop - sh2add arg0,0,tmp - b $endloop - sh2add arg0,arg0,tmp - b $fiftnx - sh1add arg0,0,tmp - movb,tr arg0,tmp,$fiftnx - sh2add arg0,retreg,retreg - b $endloop - sh3add arg0,0,tmp - b $endloop - sh3add arg0,arg0,tmp - b $two - sh3add arg0,retreg,retreg - movb,tr arg0,tmp,$fiftnx - sh3add arg0,retreg,retreg - b $fiftnx - sh2add arg0,0,tmp - sh2add arg0,arg0,tmp - b $endloop - sh3add arg0,retreg,retreg - sh1add,tr arg0,0,tmp - sh2add arg0,arg0,tmp -$fiftnx sh1add tmp,tmp,tmp -$endloop comb,= arg1,0,$return -$addtmp add tmp,retreg,retreg -$shmcand addb,tr arg0,arg0,$loop - sh3add arg0,0,arg0 - .exit -$return MILLIRET - nop - .procend -#ifdef milliext - .origin 0x00000100 -#endif - .end diff --git a/sys/lib/libkern/arch/hppa/remI.S b/sys/lib/libkern/arch/hppa/remI.S deleted file mode 100644 index cc7b92f779f..00000000000 --- a/sys/lib/libkern/arch/hppa/remI.S +++ /dev/null @@ -1,164 +0,0 @@ -/* $OpenBSD: remI.S,v 1.1 1998/06/23 18:56:54 mickey Exp $ */ - -/* - * (c) Copyright 1985 HEWLETT-PACKARD COMPANY - * - * To anyone who acknowledges that this file is provided "AS IS" - * without any express or implied warranty: - * permission to use, copy, modify, and distribute this file - * for any purpose is hereby granted without fee, provided that - * the above copyright notice and this notice appears in all - * copies, and that the name of Hewlett-Packard Company not be - * used in advertising or publicity pertaining to distribution - * of the software without specific, written prior permission. - * Hewlett-Packard Company makes no representations about the - * suitability of this software for any purpose. - */ - -#include "prefix.h" - -/* - * - * Editor: Michael J. Eager - * - * - * ROUTINE: $$remI - * - * DESCRIPTION: - * - * $$remI returns the remainder of the division of two signed 32-bit - * integers. The sign of the remainder is the same as the sign of - * the dividend. - * - * - * INPUT REGISTERS: - * - * arg0 == dividend - * arg1 == divisor - * r31 == return pc - * sr0 == return space when called externally - * - * OUTPUT REGISTERS: - * - * arg0 = destroyed - * arg1 = destroyed - * ret1 = remainder - * - * OTHER REGISTERS AFFECTED: - * - * r1 = undefined - * - * SIDE EFFECTS: - * - * Causes a trap under the following conditions: DIVIDE BY ZERO - * Changes memory at the following places: NONE - * - * PERMISSIBLE CONTEXT: - * - * Unwindable - * Does not create a stack frame - * Is usable for internal or external microcode - * - * DISCUSSION: - * - * Calls other millicode routines via r31: NONE - * Calls other millicode routines: NONE - */ - -DEFINE(tmp,r1) -DEFINE(retreg,ret1) - - .subspa $MILLICODE$ - .proc - .callinfo millicode - .entry -$$remI - .export $$remI,MILLICODE - addit,= 0,arg1,0 ; trap if div by zero - add,>= 0,arg0,retreg ; move dividend, if retreg < 0, - sub 0,retreg,retreg ; make it positive - sub 0,arg1, tmp ; clear carry, - ; negate the divisor - ds 0, tmp,0 ; set V-bit to the comple- - ; ment of the divisor sign - or 0,0, tmp ; clear tmp - add retreg,retreg,retreg ; shift msb bit into carry - ds tmp,arg1, tmp ; 1st divide step, if no carry - ; out, msb of quotient = 0 - addc retreg,retreg,retreg ; shift retreg with/into carry -tt1 ds tmp,arg1, tmp ; 2nd divide step - addc retreg,retreg,retreg ; shift retreg with/into carry - ds tmp,arg1, tmp ; 3rd divide step - addc retreg,retreg,retreg ; shift retreg with/into carry - ds tmp,arg1, tmp ; 4th divide step - addc retreg,retreg,retreg ; shift retreg with/into carry - ds tmp,arg1, tmp ; 5th divide step - addc retreg,retreg,retreg ; shift retreg with/into carry - ds tmp,arg1, tmp ; 6th divide step - addc retreg,retreg,retreg ; shift retreg with/into carry - ds tmp,arg1, tmp ; 7th divide step - addc retreg,retreg,retreg ; shift retreg with/into carry - ds tmp,arg1, tmp ; 8th divide step - addc retreg,retreg,retreg ; shift retreg with/into carry - ds tmp,arg1, tmp ; 9th divide step - addc retreg,retreg,retreg ; shift retreg with/into carry - ds tmp,arg1, tmp ; 10th divide step - addc retreg,retreg,retreg ; shift retreg with/into carry - ds tmp,arg1, tmp ; 11th divide step - addc retreg,retreg,retreg ; shift retreg with/into carry - ds tmp,arg1, tmp ; 12th divide step - addc retreg,retreg,retreg ; shift retreg with/into carry - ds tmp,arg1, tmp ; 13th divide step - addc retreg,retreg,retreg ; shift retreg with/into carry - ds tmp,arg1, tmp ; 14th divide step - addc retreg,retreg,retreg ; shift retreg with/into carry - ds tmp,arg1, tmp ; 15th divide step - addc retreg,retreg,retreg ; shift retreg with/into carry - ds tmp,arg1, tmp ; 16th divide step - addc retreg,retreg,retreg ; shift retreg with/into carry - ds tmp,arg1, tmp ; 17th divide step - addc retreg,retreg,retreg ; shift retreg with/into carry - ds tmp,arg1, tmp ; 18th divide step - addc retreg,retreg,retreg ; shift retreg with/into carry - ds tmp,arg1, tmp ; 19th divide step - addc retreg,retreg,retreg ; shift retreg with/into carry - ds tmp,arg1, tmp ; 20th divide step - addc retreg,retreg,retreg ; shift retreg with/into carry - ds tmp,arg1, tmp ; 21st divide step - addc retreg,retreg,retreg ; shift retreg with/into carry - ds tmp,arg1, tmp ; 22nd divide step - addc retreg,retreg,retreg ; shift retreg with/into carry - ds tmp,arg1, tmp ; 23rd divide step - addc retreg,retreg,retreg ; shift retreg with/into carry - ds tmp,arg1, tmp ; 24th divide step - addc retreg,retreg,retreg ; shift retreg with/into carry - ds tmp,arg1, tmp ; 25th divide step - addc retreg,retreg,retreg ; shift retreg with/into carry - ds tmp,arg1, tmp ; 26th divide step - addc retreg,retreg,retreg ; shift retreg with/into carry - ds tmp,arg1, tmp ; 27th divide step - addc retreg,retreg,retreg ; shift retreg with/into carry - ds tmp,arg1, tmp ; 28th divide step - addc retreg,retreg,retreg ; shift retreg with/into carry - ds tmp,arg1, tmp ; 29th divide step - addc retreg,retreg,retreg ; shift retreg with/into carry - ds tmp,arg1, tmp ; 30th divide step - addc retreg,retreg,retreg ; shift retreg with/into carry - ds tmp,arg1, tmp ; 31st divide step - addc retreg,retreg,retreg ; shift retreg with/into carry - ds tmp,arg1, tmp ; 32nd divide step, - addc retreg,retreg,retreg ; shift last bit into retreg - movb,>=,n tmp,retreg,finish ; branch if pos. tmp - add,< arg1,0,0 ; if arg1 > 0, add arg1 - add,tr tmp,arg1,retreg ; for correcting remainder tmp - sub tmp,arg1,retreg ; else add absolute value arg1 -finish add,>= arg0,0,0 ; set sign of remainder - sub 0,retreg,retreg ; to sign of dividend - .exit - MILLIRET - nop - .procend -#ifdef milliext - .origin 0x00000200 -#endif - .end diff --git a/sys/lib/libkern/arch/hppa/remU.S b/sys/lib/libkern/arch/hppa/remU.S deleted file mode 100644 index b347a6d49f0..00000000000 --- a/sys/lib/libkern/arch/hppa/remU.S +++ /dev/null @@ -1,152 +0,0 @@ -/* $OpenBSD: remU.S,v 1.1 1998/06/23 18:56:54 mickey Exp $ */ - -/* - * (c) Copyright 1985 HEWLETT-PACKARD COMPANY - * - * To anyone who acknowledges that this file is provided "AS IS" - * without any express or implied warranty: - * permission to use, copy, modify, and distribute this file - * for any purpose is hereby granted without fee, provided that - * the above copyright notice and this notice appears in all - * copies, and that the name of Hewlett-Packard Company not be - * used in advertising or publicity pertaining to distribution - * of the software without specific, written prior permission. - * Hewlett-Packard Company makes no representations about the - * suitability of this software for any purpose. - */ - -#include "prefix.h" - -/* - * Author: Committee - * - * - * ROUTINE: $$remU - * - * Single precision divide for remainder with unsigned binary integers. - * - * The remainder must be dividend-(dividend/divisor)*divisor. - * Divide by zero is trapped. - * - * INPUT REGISTERS: - * arg0 == dividend - * arg1 == divisor - * r31 == return pc - * sr0 == return space when called externally - * - * OUTPUT REGISTERS: - * arg0 = undefined - * arg1 = undefined - * ret1 = remainder - * - * OTHER REGISTERS AFFECTED: - * r1 = undefined - * - * SIDE EFFECTS: - * Causes a trap under the following conditions: DIVIDE BY ZERO - * Changes memory at the following places: NONE - * - * PERMISSIBLE CONTEXT: - * Unwindable. - * Does not create a stack frame. - * Suitable for internal or external millicode. - * Assumes the special millicode register conventions. - * - * DISCUSSION: - * Calls other millicode routines using r31: NONE - * Calls other millicode routines: NONE - */ - -DEFINE(temp,r1) -DEFINE(rmndr,ret1) ; r29 - .subspa $MILLICODE$ - .export $$remU,millicode - .proc - .callinfo millicode - - .entry -$$remU - - comib,>=,n 0,arg1,special_case - sub r0,arg1,rmndr ; clear carry, negate the divisor - ds r0,rmndr,r0 ; set V-bit to 1 - add arg0,arg0,temp ; shift msb bit into carry - ds r0,arg1,rmndr ; 1st divide step, if no carry - addc temp,temp,temp ; shift temp with/into carry - ds rmndr,arg1,rmndr ; 2nd divide step - addc temp,temp,temp ; shift temp with/into carry - ds rmndr,arg1,rmndr ; 3rd divide step - addc temp,temp,temp ; shift temp with/into carry - ds rmndr,arg1,rmndr ; 4th divide step - addc temp,temp,temp ; shift temp with/into carry - ds rmndr,arg1,rmndr ; 5th divide step - addc temp,temp,temp ; shift temp with/into carry - ds rmndr,arg1,rmndr ; 6th divide step - addc temp,temp,temp ; shift temp with/into carry - ds rmndr,arg1,rmndr ; 7th divide step - addc temp,temp,temp ; shift temp with/into carry - ds rmndr,arg1,rmndr ; 8th divide step - addc temp,temp,temp ; shift temp with/into carry - ds rmndr,arg1,rmndr ; 9th divide step - addc temp,temp,temp ; shift temp with/into carry - ds rmndr,arg1,rmndr ; 10th divide step - addc temp,temp,temp ; shift temp with/into carry - ds rmndr,arg1,rmndr ; 11th divide step - addc temp,temp,temp ; shift temp with/into carry - ds rmndr,arg1,rmndr ; 12th divide step - addc temp,temp,temp ; shift temp with/into carry - ds rmndr,arg1,rmndr ; 13th divide step - addc temp,temp,temp ; shift temp with/into carry - ds rmndr,arg1,rmndr ; 14th divide step - addc temp,temp,temp ; shift temp with/into carry - ds rmndr,arg1,rmndr ; 15th divide step - addc temp,temp,temp ; shift temp with/into carry - ds rmndr,arg1,rmndr ; 16th divide step - addc temp,temp,temp ; shift temp with/into carry - ds rmndr,arg1,rmndr ; 17th divide step - addc temp,temp,temp ; shift temp with/into carry - ds rmndr,arg1,rmndr ; 18th divide step - addc temp,temp,temp ; shift temp with/into carry - ds rmndr,arg1,rmndr ; 19th divide step - addc temp,temp,temp ; shift temp with/into carry - ds rmndr,arg1,rmndr ; 20th divide step - addc temp,temp,temp ; shift temp with/into carry - ds rmndr,arg1,rmndr ; 21st divide step - addc temp,temp,temp ; shift temp with/into carry - ds rmndr,arg1,rmndr ; 22nd divide step - addc temp,temp,temp ; shift temp with/into carry - ds rmndr,arg1,rmndr ; 23rd divide step - addc temp,temp,temp ; shift temp with/into carry - ds rmndr,arg1,rmndr ; 24th divide step - addc temp,temp,temp ; shift temp with/into carry - ds rmndr,arg1,rmndr ; 25th divide step - addc temp,temp,temp ; shift temp with/into carry - ds rmndr,arg1,rmndr ; 26th divide step - addc temp,temp,temp ; shift temp with/into carry - ds rmndr,arg1,rmndr ; 27th divide step - addc temp,temp,temp ; shift temp with/into carry - ds rmndr,arg1,rmndr ; 28th divide step - addc temp,temp,temp ; shift temp with/into carry - ds rmndr,arg1,rmndr ; 29th divide step - addc temp,temp,temp ; shift temp with/into carry - ds rmndr,arg1,rmndr ; 30th divide step - addc temp,temp,temp ; shift temp with/into carry - ds rmndr,arg1,rmndr ; 31st divide step - addc temp,temp,temp ; shift temp with/into carry - ds rmndr,arg1,rmndr ; 32nd divide step, - comiclr,<= 0,rmndr,r0 - add rmndr,arg1,rmndr ; correction - MILLIRETN - nop -; Putting >= on the last DS and deleting COMICLR does not work! - - -special_case - addit,= 0,arg1,r0 ; trap on div by zero - sub,>>= arg0,arg1,rmndr - copy arg0,rmndr - .exit - MILLIRETN - nop - .procend - .end |