[FFmpeg-devel] r9017 breaks WMA decoding on Intel Macs
Wed May 30 05:24:16 CEST 2007
> On Wed, 30 May 2007, Guillaume POIRIER wrote:
> On 5/29/07, Zuxy Meng <zuxy.meng at gmail.com> wrote:
> > These warnings comes from the assembler not the compiler about cases
> > like 16+(%esi). The FSF as treats this as equivalent to 16+0(esi) ==
> > 16(esi) (therefore the assumed 0). If the Apple as treats it
> > differently without even a warning then the result is catastrophic...
> 1bd: 0f 28 02 movaps (%edx),%xmm0
> 1c0: 0f 28 19 movaps (%ecx),%xmm3
> 1c3: 0f 28 62 f0 movaps 0xfffffff0(%edx),%xmm4
> 1c7: 0f 28 79 10 movaps 0x10(%ecx),%xmm7
> 000001d7 movaps (%ebx),%xmm0
> 000001da movaps (%edi),%xmm3
> 000001dd movaps 0x00(%ebx),%xmm4
> 000001e1 movaps 0x00(%edi),%xmm7
> As you can clearly see, that damn OSX manage to loose the offset.
> Zuxy, do you know another syntax than the one you suggested, that
> wouldn't confuse OSX's assembler?
Doesn't my patch fix this? That would be the alternate syntax that doesn't
confuse the assembler.
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