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/************************************************************************/
/* This file contains the BCC compiler helper functions */
/* (C) Copyright Bruce Evans */
/* Support for 386 integer arithmetic
* __divsi3.o __idiv.o __idivu.o __imod.o __imodu.o __imul.o
* __isl.o __isr.o __isru.o
*/
#ifdef __AS386_32__
#asm
.text ! This is common to all.
.align 4
#endasm
#ifdef L___divsi3
#asm
! divsi3.s
.globl ___divsi3
___divsi3:
push edx
mov eax,[esp+4+4]
cdq
idiv [esp+4+4+4]
pop edx
ret
.globl ___udivsi3
.text
.align 4
___udivsi3:
push edx
mov eax,[esp+4+4]
sub edx,edx
div [esp+4+4+4]
pop edx
ret
#endasm
#endif
#ifdef L___idiv
#asm
! idiv.s
! idiv_ doesn`t preserve edx (returns remainder in it)
.globl idiv_
idiv_:
cdq
idiv ebx
ret
#endasm
#endif
#ifdef L___idivu
#asm
! idivu.s
! idiv_u doesn`t preserve edx (returns remainder in it)
.globl idiv_u
idiv_u:
xor edx,edx
div ebx
ret
#endasm
#endif
#ifdef L___imod
#asm
! imod.s
! imod doesn`t preserve edx (returns quotient in it)
.globl imod
imod:
cdq
idiv ebx
mov eax,edx ! instruction queue full so xchg slower
ret
#endasm
#endif
#ifdef L___imodu
#asm
! imodu.s
! imodu doesn`t preserve edx (returns quotient in it)
.globl imodu
imodu:
xor edx,edx
div ebx
mov eax,edx ! instruction queue full so xchg slower
ret
#endasm
#endif
#ifdef L___imul
#asm
! imul.s
! imul_, imul_u don`t preserve edx
.globl imul_
.globl imul_u
imul_:
imul_u:
imul ebx
ret
#endasm
#endif
#ifdef L___isl
#asm
! isl.s
! isl, islu don`t preserve cl
.globl isl
.globl islu
isl:
islu:
mov cl,bl
shl eax,cl
ret
#endasm
#endif
#ifdef L___isr
#asm
! isr.s
! isr doesn`t preserve cl
.globl isr
isr:
mov cl,bl
sar eax,cl
ret
#endasm
#endif
#ifdef L___isru
#asm
! isru.s
! isru doesn`t preserve cl
.globl isru
isru:
mov cl,bl
shr eax,cl
ret
#endasm
#endif
#endif
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