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doc: release notes for GOARM hardfloat/softfloat change
See CL 514907 Change-Id: Ieba2d7737115c66990b0ea7629033e787a99be93 Reviewed-on: https://go-review.googlesource.com/c/go/+/545655 Reviewed-by: Keith Randall <[email protected]> Reviewed-by: Ludi Rehak <[email protected]> Reviewed-by: Cherry Mui <[email protected]> LUCI-TryBot-Result: Go LUCI <[email protected]> Auto-Submit: Keith Randall <[email protected]>
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doc/go1.22.html

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@@ -570,8 +570,15 @@ <h3 id="minor_library_changes">Minor changes to the library</h3>
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<h2 id="ports">Ports</h2>
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<h3 id="arm">Arm</h3>
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<p><!-- CL 514907 -->
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TODO: <a href="https://go.dev/cl/514907">https://go.dev/cl/514907</a>: all: add floating point option for ARM targets
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The <code>GOARM</code> environment variable now allows you to select whether to use software or hardware floating point.
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Previously, valid <code>GOARM</code> values were <code>5</code>, <code>6</code>, or <code>7</code>. Now those same values can
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be optionally followed by <code>,softfloat</code> or <code>,hardfloat</code> to select the floating-point implementation.
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</p>
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<p>
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This new option defaults to <code>softfloat</code> for version <code>5</code> and <code>hardfloat</code> for versions
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<code>6</code> and <code>7</code>.
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</p>
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<p><!-- CL 481315 -->

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