Re: Assembler code with useless instructions

2011-05-19 Thread Robert Dewar
On 5/19/2011 1:14 PM, Diego Caballero wrote: Hello, sorry, this is my first mail and I don't know if I'm in the right place. I get 10% lower performance due to an assemble instruction that seems to be useless. I have a lot of this blocks (exactly the sames) in my code: callq 400a50 mo

Assembler code with useless instructions

2011-05-19 Thread Diego Caballero
Hello, sorry, this is my first mail and I don't know if I'm in the right place. I get 10% lower performance due to an assemble instruction that seems to be useless. I have a lot of this blocks (exactly the sames) in my code: callq 400a50 movaps %xmm0,%xmm4 movss (%r15),%xmm0 movss