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8360559: Optimize Math.sinh for x86 64 bit platforms #26152

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8360559: Optimize Math.sinh for x86 64 bit platforms #26152

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9c5cc60
x86_64 intrinsic for sinh using libm
missa-prime Jul 7, 2025
c0adc8b
Move error bound to separate section in comment header
missa-prime Jul 17, 2025
3ab7ab3
Make sure xmm1 is initialized before potential use in L_2TAG_PACKET_3…
missa-prime Jul 31, 2025
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4 changes: 3 additions & 1 deletion src/hotspot/cpu/x86/stubGenerator_x86_64_sinh.cpp
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Expand Up @@ -61,7 +61,9 @@
// (p3*xh^3)_high+[(p3*xl*(3*x*xh+xl^2))+(p3*xh^3)_low],
// where x=xh+xl, (xh are the leading 17 bits of x), and
// (p3*xh^3)_high=RN(x+p3*xh^3)-x
// (error bound for polynomial expansion is below 0.51 ulp)
//
// Error bound:
// 0.51 ulp
//
// Special cases:
// sinh(NaN) = quiet NaN, and raise invalid exception
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