On 2014-05-30 22:14:03 +0300, Martin Storsjö wrote:
> On Fri, 30 May 2014, Janne Grunau wrote:
> 
> >Clang's integrated assembler does not support it and it is optional
> >for GNU as.
> >---
> >libavutil/aarch64/asm.S | 2 +-
> >1 file changed, 1 insertion(+), 1 deletion(-)
> >
> >diff --git a/libavutil/aarch64/asm.S b/libavutil/aarch64/asm.S
> >index 8ac5c18..86f24d9 100644
> >--- a/libavutil/aarch64/asm.S
> >+++ b/libavutil/aarch64/asm.S
> >@@ -58,7 +58,7 @@ ELF     .size   \name, . - \name
> >
> >.macro  movrel rd, val
> >#if CONFIG_PIC
> >-        adrp            \rd, :pg_hi21:\val
> >+        adrp            \rd, \val
> >        add             \rd, \rd, :lo12:\val
> >#else
> >        ldr             \rd, =\val
> >-- 
> >2.0.0
> 
> This breaks iOS arm64 builds for me, with the following error message:
> 
> libavcodec/aarch64/h264cmc_neon.S:569:9: error: ADR/ADRP relocations
> must be GOT relative

I'll drop this and implement :pg_hi21: for clang

Janne
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