[fpc-devel] Detecting SSE and AVX compiler options

[Jonas Maebe]

On 03/02/19 06:26, J. Gareth Moreton wrote:
> And similarly with AVX.  Even if we're stuck with just SSE2, assembler 
> improvements can be made over the Pascal code just by removing the call 
> to Trunc and replacing it with its single assembler command: "cvttsd2si 
> %xmm0,%rax".

The compiler already does that when the appropriate instruction set is 
selected.


Jonas