Attachment 149964 Details for Bug 194186 – replace movw instruction in ac3dsp_armv6.S

[patch] replace movw instruction in ac3dsp_armv6.S

patch-gst-libs_ext_libav_libavcodec_arm_ac3dsp__armv6.S (text/plain), 1.07 KB, created by Mikael Urankar on 2014-11-28 15:01:07 UTC

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Creator: Mikael Urankar

Created: 2014-11-28 15:01:07 UTC

Size: 1.07 KB

patch

obsolete

>--- gst-libs/ext/libav/libavcodec/arm/ac3dsp_armv6.S.orig	2014-11-28 14:36:09 UTC
>+++ gst-libs/ext/libav/libavcodec/arm/ac3dsp_armv6.S
>@@ -37,14 +37,16 @@ function ff_ac3_bit_alloc_calc_bap_armv6
>         ldrb            r10, [r4], #1
> 1:
>         ldrsh           r9,  [r0], #2                   @ mask[band]
>-        movw            r8,  #0x1fe0
>+        mov             r8,  #0xff0
>         sub             r9,  r9,  r12                   @   - snr_offset
>         mov             r11, r10
>         ldrb            r10, [r4], #1                   @ band_start_tab[band++]
>         subs            r9,  r9,  r5                    @   - floor
>+        it              lt
>         movlt           r9,  #0
>         cmp             r10, r3                         @   - end
>-        and             r9,  r9,  r8                    @   & 0x1fe0
>+        and             r9,  r9,  r8, lsl #1            @   & 0x1fe0
>+        ite             gt
>         subgt           r8,  r3,  r11
>         suble           r8,  r10, r11
>         add             r9,  r9,  r5                    @   + floor => m

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Attachments on bug 194186: 148067 | 149964 | 149965