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# cpuburn-1.4: burnK6 CPU Loading Utility
# Copyright 1999 Robert J. Redelmeier. All Right Reserved
# Licensed under GNU General Public Licence 2.0. No warrantee.
# *** USE AT YOUR OWN RISK ***
.text
#ifdef WINDOWS
.globl _main
_main:
#else
.globl _start
_start:
#endif
finit
pushl %ebp
movl %esp, %ebp
andl $-32, %ebp
subl $96, %esp
fldpi
fldl rt
fstpl -24(%ebp)
fldl e
fstpl -32(%ebp)
movl half, %edx
movl %edx, -8(%ebp)
after_check:
xorl %eax, %eax
movl %eax, %ebx
lea -1(%eax), %esi
movl $400000000, %ecx
movl %ecx, -4(%ebp)
.align 32, 0x90
crunch:
fldl 8-24(%ebp,%esi,8) # CALC BLOCK
fmull 8-32(%ebp,%esi,8)
addl half+9(%esi,%esi,8), %edx
jnz . + 2
faddp
fldl 8-24(%ebp,%esi,8)
decl %ebx
subl half+9(%esi,%esi,8), %edx
jmp . + 2
fmull 8-32(%ebp,%esi,8)
incl %ebx
decl 8-4(%ebp,%esi,8)
fsubp
jnz crunch # time for testing ?
test %ebx, %ebx # TEST BLOCK
jnz int_exit
cmpl half, %edx
jnz int_exit
fldpi
fcomp %st(1)
fstsw %ax
sahf
jz after_check
decl %ebx
int_exit:
decl %ebx
addl $96, %esp
popl %ebp
movl $1, %eax
#ifdef WINDOWS
ret
#else
push %ebx
push %eax
int $0x80
#endif
.align 32,0
half: .long 0x7fffffff,0
e: .long 0xffffffff,0x3fdfffff
rt: .long 0xffffffff,0x3fefffff
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