There is more than one Go compiler and the use of fused-multiply-add is not
guaranteed. The Go spec permits FMA but does not require it.
I suggest reading the "Floating-point operators" section of the
specification for clarity here.
-rob
On Sat, Sep 26, 2020 at 9:23 AM Ian Lance Taylor wrote:
On Fri, Sep 25, 2020 at 4:03 PM Ryan Keppel wrote:
>
> Does golang generate the SSE2 over the x87 floating point instructions on
> x64? In Java terms, it's always using strictfp? You could check the assembly
> I suppose.
On amd64 the Go compiler uses SSE2. It does not use x87.
However, the Go
Does golang generate the SSE2 over the x87 floating point instructions on
x64? In Java terms, it's always using strictfp? You could check the
assembly I suppose.
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