00000000 <hpf1_filter>:
   0:   e92d 4ff8       stmdb   sp!, {r3, r4, r5, r6, r7, r8, r9, sl, fp, lr}
   4:   f8df a09c       ldr.w   sl, [pc, #156]  ; a4 <hpf1_filter+0xa4>
   8:   4b22            ldr     r3, [pc, #136]  ; (94 <hpf1_filter+0x94>)
   a:   f8da 2000       ldr.w   r2, [sl]
   e:   681b            ldr     r3, [r3, #0]
  10:   4683            mov     fp, r0
  12:   fb83 2302       smull   r2, r3, r3, r2
  16:   0458            lsls    r0, r3, #17
  18:   ea40 30d2       orr.w   r0, r0, r2, lsr #15
  1c:   f7ff fffe       bl      0 <__gnu_fractsada2>
  20:   4d1d            ldr     r5, [pc, #116]  ; (98 <hpf1_filter+0x98>)
  22:   4b1e            ldr     r3, [pc, #120]  ; (9c <hpf1_filter+0x9c>)
  24:   682a            ldr     r2, [r5, #0]
  26:   681b            ldr     r3, [r3, #0]
  28:   4606            mov     r6, r0
  2a:   fb83 2302       smull   r2, r3, r3, r2
  2e:   0458            lsls    r0, r3, #17
  30:   ea40 30d2       orr.w   r0, r0, r2, lsr #15
  34:   460f            mov     r7, r1
  36:   f7ff fffe       bl      0 <__gnu_fractsada2>
  3a:   4602            mov     r2, r0
  3c:   460b            mov     r3, r1
  3e:   4630            mov     r0, r6
  40:   4639            mov     r1, r7
  42:   f7ff fffe       bl      0 <__gnu_subda3>
  46:   4b16            ldr     r3, [pc, #88]   ; (a0 <hpf1_filter+0xa0>)
  48:   4606            mov     r6, r0
  4a:   6818            ldr     r0, [r3, #0]
  4c:   460f            mov     r7, r1
  4e:   f7ff fffe       bl      0 <__gnu_fractsada2>
  52:   4680            mov     r8, r0
  54:   4658            mov     r0, fp
  56:   4689            mov     r9, r1
  58:   f7ff fffe       bl      0 <__gnu_fractsida>
  5c:   4602            mov     r2, r0
  5e:   460b            mov     r3, r1
  60:   4640            mov     r0, r8
  62:   4649            mov     r1, r9
  64:   f7ff fffe       bl      0 <__gnu_mulda3>
  68:   4602            mov     r2, r0
  6a:   460b            mov     r3, r1
  6c:   4630            mov     r0, r6
  6e:   4639            mov     r1, r7
  70:   f7ff fffe       bl      0 <__gnu_addda3>
  74:   f7ff fffe       bl      0 <__gnu_fractdasa2>
  78:   4604            mov     r4, r0
  7a:   4658            mov     r0, fp
  7c:   f7ff fffe       bl      0 <__gnu_fracthisa>
  80:   602c            str     r4, [r5, #0]
  82:   f8ca 0000       str.w   r0, [sl]
  86:   4620            mov     r0, r4
  88:   f7ff fffe       bl      0 <__gnu_fractsahi>
  8c:   b200            sxth    r0, r0
  8e:   e8bd 8ff8       ldmia.w sp!, {r3, r4, r5, r6, r7, r8, r9, sl, fp, pc}
  92:   bf00            nop
        ...