arm: Avoid using the movw instruction needlessly

This fixes building for ARM11 without Thumb2. Signed-off-by: Martin Storsjö <martin@martin.st>

arm: Avoid using the movw instruction needlessly
This fixes building for ARM11 without Thumb2. Signed-off-by: Martin Storsjö <martin@martin.st>
9a83adaf · Måns Rullgård · Martin Storsjö · d0a2f0af · 9a83adaf
Commit 9a83adaf authored Aug 01, 2011 by Måns Rullgård Committed by Martin Storsjö Aug 03, 2011
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ac3dsp_armv6.S libavcodec/arm/ac3dsp_armv6.S +2 -2

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--- a/libavcodec/arm/ac3dsp_armv6.S
+++ b/libavcodec/arm/ac3dsp_armv6.S
@@ -37,7 +37,7 @@ function ff_ac3_bit_alloc_calc_bap_armv6, export=1
        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++]
@@ -45,7 +45,7 @@ function ff_ac3_bit_alloc_calc_bap_armv6, export=1
        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