kolibrios-fun/programs/develop/libraries/kolibri-libc/source/math/exp.s
turbocat 728f124678 Added git source kolibri-libc and
Configured autobuild

git-svn-id: svn://kolibrios.org@8687 a494cfbc-eb01-0410-851d-a64ba20cac60
2021-04-27 16:33:31 +00:00

34 lines
349 B
ArmAsm

.data
exp.LCW1:
.word 0
exp.LCW2:
.word 0
exp.LC0:
.double 0d1.0e+00
.text
.global exp;
exp:
fldl 4(%esp)
fldl2e
fmulp
fstcw exp.LCW1
fstcw exp.LCW2
fwait
andw $0xf3ff, exp.LCW2
orw $0x0400, exp.LCW2
fldcw exp.LCW2
fldl %st(0)
frndint
fldcw exp.LCW1
fxch %st(1)
fsub %st(1),%st
f2xm1
faddl exp.LC0
fscale
fstp %st(1)
ret