[FFmpeg-devel] ADRL causes fatal error in dsputil_arm_s.S

[Yonas .]

On Mon, Jan 19, 2009 at 10:20 AM, M?ns Rullg?rd <mans at mansr.com> wrote:

> Guillaume POIRIER <poirierg at gmail.com> writes:
>
> > Hello,
> >
> > On Mon, Jan 19, 2009 at 3:52 PM, Yonas . <googelly.eyes at gmail.com>
> wrote:
> >> I'm compiling ffmpeg for the iPhone and have 99% of it done, but one
> >> line is causing the assembler to crash. In
> >> libavcodec/arm/dsputil_arm_s.S --> put_pixels8_xy2_arm function:
> >>
> >> @ void func(uint8_t *block, const uint8_t *pixels, int line_size, int h)
> >>         @ block = word aligned, pixles = unaligned
> >>         pld [r1]
> >>         stmfd sp!, {r4-r11,lr} @ R14 is also called LR
> >>         adrl r12, 5f
> >> ...
> >>
> >> the adrl instruction causes the following error:
> >>
> >>
> /Developer/Platforms/iPhoneOS.platform/Developer/usr/bin/../libexec/gcc/arm-apple-darwin9/4.0.1/as:
> >> fatal error in
> /Developer/Platforms/iPhoneOS.platform/Developer/usr/bin/../libexec/gcc/darwin/arm/as
> >> make: *** [arm/dsputil_arm_s.o] Error 1
> >>
> >> How can we work around this? I'm using SVN r16669.
> >
> > What's the problem? Does the iPhone SDK forces to use thumb instructions?
>
> The iphone assembler predates the dinosaurs and is missing many things.
>
> --
> M?ns Rullg?rd
> mans at mansr.com
> _______________________________________________
> ffmpeg-devel mailing list
> ffmpeg-devel at mplayerhq.hu
> https://lists.mplayerhq.hu/mailman/listinfo/ffmpeg-devel
>

Even though the Apple assembler has some differences, most of the code now
compiles (after patching). ADRL is the last hurdle.