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/* Set 80387 floating point hardware rounding precision */
.file "setprec.387"
.text
.align 2
.globl _sprec
_sprec:
pushl %ebp
movl %esp,%ebp
pushl %eax
subl $4,%esp
fstcw (%esp)
fwait
movl (%esp),%eax
andl $0xfcff,%eax
movl %eax,(%esp)
fldcw (%esp)
popl %eax
popl %eax
leave
ret
.align 2
.globl _dprec
_dprec:
pushl %ebp
movl %esp,%ebp
pushl %eax
subl $4,%esp
fstcw (%esp)
fwait
movl (%esp),%eax
andl $0xfcff,%eax
orl $0x200,%eax
movl %eax,(%esp)
fldcw (%esp)
popl %eax
popl %eax
leave
ret
.align 2
.globl _ldprec
_ldprec:
pushl %ebp
movl %esp,%ebp
pushl %eax
subl $4,%esp
fstcw (%esp)
fwait
movl (%esp),%eax
orl $0x300,%eax
movl %eax,(%esp)
fldcw (%esp)
popl %eax
popl %eax
leave
ret
.globl _noexcept
_noexcept:
pushl %ebp
movl %esp,%ebp
pushl %eax
subl $4,%esp
fnclex
fwait
fstcw (%esp)
fwait
movl (%esp),%eax
andl $0xffc0,%eax
orl $0x3f,%eax
movl %eax,(%esp)
fldcw (%esp)
popl %eax
popl %eax
leave
ret
.globl _fpclear
_fpclear:
pushl %ebp
movl %esp,%ebp
fnclex
fwait
leave
ret
.globl _getprec
_getprec:
pushl %ebp
movl %esp,%ebp
subl $4,%esp
fstcw (%esp)
fwait
movl (%esp),%eax
leave
ret
.globl _setfpu
_setfpu:
pushl %ebp
movl %esp,%ebp
movl 8(%ebp),%eax
pushl %eax
fldcw (%esp)
fwait
movl %ebp,%esp
popl %ebp
ret
[ Dauer der Verarbeitung: 0.16 Sekunden
(vorverarbeitet)
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