* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
-#include "asm.S"
+#include "libavutil/arm/asm.S"
function ff_ac3_bit_alloc_calc_bap_armv6, export=1
ldr r12, [sp]
beq 4f
push {r4-r11,lr}
add r5, sp, #40
- movrel r4, X(ff_ac3_bin_to_band_tab)
- movrel lr, X(ff_ac3_band_start_tab)
+ movrelx r4, X(ff_ac3_bin_to_band_tab), r11
+ movrelx lr, X(ff_ac3_band_start_tab)
ldm r5, {r5-r7}
ldrb r4, [r4, r2]
add r1, r1, r2, lsl #1 @ psd + start
add r0, r0, r4, lsl #1 @ mask + band
add r4, lr, r4
add r7, r7, r2 @ bap + start
- ldrb r10, [r4], #1
1:
ldrsh r9, [r0], #2 @ mask[band]
- ldr r8, =0x1fe0
+ mov r8, #0xff0
sub r9, r9, r12 @ - snr_offset
- mov r11, r10
- ldrb r10, [r4], #1 @ band_start_tab[band++]
+ 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
- subgt r8, r3, r11
- suble r8, r10, r11
+ and r9, r9, r8, lsl #1 @ & 0x1fe0
+ ite gt
+ subgt r8, r3, r2
+ suble r8, r10, r2
+ mov r2, r10
add r9, r9, r5 @ + floor => m
tst r8, #1
- add r2, r7, r8
+ add r11, r7, r8
bne 3f
b 5f
2:
ldrb lr, [r6, lr]
strb r8, [r7], #1 @ bap[bin]
strb lr, [r7], #1
-5: cmp r7, r2
+5: cmp r7, r11
blo 2b
- cmp r3, r11
+ cmp r3, r10
bgt 1b
pop {r4-r11,pc}
3: