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timerfd: add time64 syscall support, decouple 32-bit time_t
[musl]
/
src
/
math
/
i386
/
acos.s
1
# use acos(x) = atan2(fabs(sqrt((1-x)*(1+x))), x)
2
3
.global acosf
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.type acosf,@function
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acosf:
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flds 4(%esp)
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jmp 1f
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.global acosl
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.type acosl,@function
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acosl:
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fldt 4(%esp)
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jmp 1f
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.global acos
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.type acos,@function
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acos:
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fldl 4(%esp)
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1: fld %st(0)
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fld1
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fsub %st(0),%st(1)
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fadd %st(2)
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fmulp
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fsqrt
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fabs # fix sign of zero (matters in downward rounding mode)
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fxch %st(1)
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fpatan
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ret