On 03/22, Oleg Nesterov wrote:
>
> Speaking of compiler options...
another question ;)
Can't we have a compiler option to set gGlobal->gNeedManualPow = false for
C/C++ backends?
I do not think mydsp_faustpowerXXX() generated by faust can buy something,
I think that modern compilers can handle pow(float, int) just fine.
For example,
double pow10(double f)
{
return pow(f, 10);
}
compiles to
pow10(double):
movapd xmm1, xmm0
mulsd xmm0, xmm0
mulsd xmm0, xmm0
mulsd xmm0, xmm1
mulsd xmm0, xmm0
ret
with gcc/clang -Ofast.
And can't resist, to me these faustpowerXXX() helpers look simply annoying in
the generates C++ code although this doesn't matter.
Oleg.
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