[FFmpeg-devel] [PATCH] move h264 loopfilter strength code to yasm

Ronald S. Bultje rsbultje
Fri Sep 24 22:34:36 CEST 2010


Hi,

On Fri, Sep 24, 2010 at 3:30 PM, Alexander Strange
<astrange at ithinksw.com> wrote:
> "g" permits registers, so it could generate something like this:
> ? por %rax(%rcx), %mm1

Is that even legal?

> You have to use "m" or MANGLE() in this situation.

So what would that work like?

                "por "MANGLE(d_idx)"(%0), %%mm1 \n" // nnz[b] || nnz[bn]

gives

/var/folders/Rz/RzQTCSLsFPWQeOEO5EXsJE+++TI/-Tmp-//ccNBPRga.s:341:junk
`(%rip)' after expression
/var/folders/Rz/RzQTCSLsFPWQeOEO5EXsJE+++TI/-Tmp-//ccNBPRga.s:341:32-bit
absolute addressing is not supported for x86-64
/var/folders/Rz/RzQTCSLsFPWQeOEO5EXsJE+++TI/-Tmp-//ccNBPRga.s:341:cannot
do signed 4 byte relocation

:-(.

Ronald



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