arm: hpeldsp: Move half-pel assembly from dsputil to hpeldsp
[ffmpeg.git] / libavcodec / arm / dsputil_arm.S
index 8504032..1692a58 100644 (file)
 #define pld @
 #endif
 
-.macro  ALIGN_QWORD_D shift, Rd0, Rd1, Rd2, Rd3, Rn0, Rn1, Rn2, Rn3, Rn4
-        mov             \Rd0, \Rn0, lsr #(\shift * 8)
-        mov             \Rd1, \Rn1, lsr #(\shift * 8)
-        mov             \Rd2, \Rn2, lsr #(\shift * 8)
-        mov             \Rd3, \Rn3, lsr #(\shift * 8)
-        orr             \Rd0, \Rd0, \Rn1, lsl #(32 - \shift * 8)
-        orr             \Rd1, \Rd1, \Rn2, lsl #(32 - \shift * 8)
-        orr             \Rd2, \Rd2, \Rn3, lsl #(32 - \shift * 8)
-        orr             \Rd3, \Rd3, \Rn4, lsl #(32 - \shift * 8)
-.endm
-.macro  ALIGN_DWORD shift, R0, R1, R2
-        mov             \R0, \R0, lsr #(\shift * 8)
-        orr             \R0, \R0, \R1, lsl #(32 - \shift * 8)
-        mov             \R1, \R1, lsr #(\shift * 8)
-        orr             \R1, \R1, \R2, lsl #(32 - \shift * 8)
-.endm
-.macro  ALIGN_DWORD_D shift, Rdst0, Rdst1, Rsrc0, Rsrc1, Rsrc2
-        mov             \Rdst0, \Rsrc0, lsr #(\shift * 8)
-        mov             \Rdst1, \Rsrc1, lsr #(\shift * 8)
-        orr             \Rdst0, \Rdst0, \Rsrc1, lsl #(32 - (\shift * 8))
-        orr             \Rdst1, \Rdst1, \Rsrc2, lsl #(32 - (\shift * 8))
-.endm
-
-.macro  RND_AVG32 Rd0, Rd1, Rn0, Rn1, Rm0, Rm1, Rmask
-        @ Rd = (Rn | Rm) - (((Rn ^ Rm) & ~0x01010101) >> 1)
-        @ Rmask = 0xFEFEFEFE
-        @ Rn = destroy
-        eor             \Rd0, \Rn0, \Rm0
-        eor             \Rd1, \Rn1, \Rm1
-        orr             \Rn0, \Rn0, \Rm0
-        orr             \Rn1, \Rn1, \Rm1
-        and             \Rd0, \Rd0, \Rmask
-        and             \Rd1, \Rd1, \Rmask
-        sub             \Rd0, \Rn0, \Rd0, lsr #1
-        sub             \Rd1, \Rn1, \Rd1, lsr #1
-.endm
-
-.macro  NO_RND_AVG32 Rd0, Rd1, Rn0, Rn1, Rm0, Rm1, Rmask
-        @ Rd = (Rn & Rm) - (((Rn ^ Rm) & ~0x01010101) >> 1)
-        @ Rmask = 0xFEFEFEFE
-        @ Rn = destroy
-        eor             \Rd0, \Rn0, \Rm0
-        eor             \Rd1, \Rn1, \Rm1
-        and             \Rn0, \Rn0, \Rm0
-        and             \Rn1, \Rn1, \Rm1
-        and             \Rd0, \Rd0, \Rmask
-        and             \Rd1, \Rd1, \Rmask
-        add             \Rd0, \Rn0, \Rd0, lsr #1
-        add             \Rd1, \Rn1, \Rd1, lsr #1
-.endm
-
-.macro  JMP_ALIGN tmp, reg
-        ands            \tmp, \reg, #3
-        bic             \reg, \reg, #3
-        beq             1f
-        subs            \tmp, \tmp, #1
-        beq             2f
-        subs            \tmp, \tmp, #1
-        beq             3f
-        b    4f
-.endm
-
-@ ----------------------------------------------------------------
-        .align 5
-function ff_put_pixels16_arm, export=1
-        @ void func(uint8_t *block, const uint8_t *pixels, int line_size, int h)
-        @ block = word aligned, pixles = unaligned
-        pld             [r1]
-        push            {r4-r11, lr}
-        JMP_ALIGN       r5,  r1
-1:
-        ldm             r1,  {r4-r7}
-        add             r1,  r1,  r2
-        stm             r0,  {r4-r7}
-        pld             [r1]
-        subs            r3,  r3,  #1
-        add             r0,  r0,  r2
-        bne             1b
-        pop             {r4-r11, pc}
-        .align 5
-2:
-        ldm             r1,  {r4-r8}
-        add             r1,  r1,  r2
-        ALIGN_QWORD_D   1,   r9,  r10, r11, r12, r4,  r5,  r6,  r7,  r8
-        pld             [r1]
-        subs            r3,  r3,  #1
-        stm             r0,  {r9-r12}
-        add             r0,  r0,  r2
-        bne             2b
-        pop             {r4-r11, pc}
-        .align 5
-3:
-        ldm             r1,  {r4-r8}
-        add             r1,  r1,  r2
-        ALIGN_QWORD_D   2,   r9,  r10, r11, r12, r4,  r5,  r6,  r7,  r8
-        pld             [r1]
-        subs            r3,  r3,  #1
-        stm             r0,  {r9-r12}
-        add             r0,  r0,  r2
-        bne             3b
-        pop             {r4-r11, pc}
-        .align 5
-4:
-        ldm             r1,  {r4-r8}
-        add             r1,  r1,  r2
-        ALIGN_QWORD_D   3,   r9,  r10, r11, r12, r4,  r5,  r6,  r7,  r8
-        pld             [r1]
-        subs            r3,  r3,  #1
-        stm             r0,  {r9-r12}
-        add             r0,  r0,  r2
-        bne             4b
-        pop             {r4-r11,pc}
-endfunc
-
-@ ----------------------------------------------------------------
-        .align 5
-function ff_put_pixels8_arm, export=1
-        @ void func(uint8_t *block, const uint8_t *pixels, int line_size, int h)
-        @ block = word aligned, pixles = unaligned
-        pld             [r1]
-        push            {r4-r5,lr}
-        JMP_ALIGN       r5,  r1
-1:
-        ldm             r1,  {r4-r5}
-        add             r1,  r1,  r2
-        subs            r3,  r3,  #1
-        pld             [r1]
-        stm             r0,  {r4-r5}
-        add             r0,  r0,  r2
-        bne             1b
-        pop             {r4-r5,pc}
-        .align 5
-2:
-        ldm             r1,  {r4-r5, r12}
-        add             r1,  r1,  r2
-        ALIGN_DWORD     1,   r4,  r5,  r12
-        pld             [r1]
-        subs            r3,  r3,  #1
-        stm             r0,  {r4-r5}
-        add             r0,  r0,  r2
-        bne             2b
-        pop             {r4-r5,pc}
-        .align 5
-3:
-        ldm             r1,  {r4-r5, r12}
-        add             r1,  r1,  r2
-        ALIGN_DWORD     2,   r4,  r5,  r12
-        pld             [r1]
-        subs            r3,  r3,  #1
-        stm             r0,  {r4-r5}
-        add             r0,  r0,  r2
-        bne             3b
-        pop             {r4-r5,pc}
-        .align 5
-4:
-        ldm             r1,  {r4-r5, r12}
-        add             r1,  r1,  r2
-        ALIGN_DWORD     3,   r4,  r5,  r12
-        pld             [r1]
-        subs            r3,  r3,  #1
-        stm             r0,  {r4-r5}
-        add             r0,  r0,  r2
-        bne             4b
-        pop             {r4-r5,pc}
-endfunc
-
-@ ----------------------------------------------------------------
-        .align 5
-function ff_put_pixels8_x2_arm, export=1
-        @ void func(uint8_t *block, const uint8_t *pixels, int line_size, int h)
-        @ block = word aligned, pixles = unaligned
-        pld             [r1]
-        push            {r4-r10,lr}
-        ldr             r12, =0xfefefefe
-        JMP_ALIGN       r5,  r1
-1:
-        ldm             r1,  {r4-r5, r10}
-        add             r1,  r1,  r2
-        ALIGN_DWORD_D   1,   r6,  r7,  r4,  r5,  r10
-        pld             [r1]
-        RND_AVG32       r8,  r9,  r4,  r5,  r6,  r7,  r12
-        subs            r3,  r3,  #1
-        stm             r0,  {r8-r9}
-        add             r0,  r0,  r2
-        bne             1b
-        pop             {r4-r10,pc}
-        .align 5
-2:
-        ldm             r1,  {r4-r5, r10}
-        add             r1,  r1,  r2
-        ALIGN_DWORD_D   1,   r6,  r7,  r4,  r5,  r10
-        ALIGN_DWORD_D   2,   r8,  r9,  r4,  r5,  r10
-        pld             [r1]
-        RND_AVG32       r4,  r5,  r6,  r7,  r8,  r9,  r12
-        subs            r3,  r3,  #1
-        stm             r0,  {r4-r5}
-        add             r0,  r0,  r2
-        bne             2b
-        pop             {r4-r10,pc}
-        .align 5
-3:
-        ldm             r1,  {r4-r5, r10}
-        add             r1,  r1,  r2
-        ALIGN_DWORD_D   2,   r6,  r7,  r4,  r5,  r10
-        ALIGN_DWORD_D   3,   r8,  r9,  r4,  r5,  r10
-        pld             [r1]
-        RND_AVG32       r4,  r5,  r6,  r7,  r8,  r9,  r12
-        subs            r3,  r3,  #1
-        stm             r0,  {r4-r5}
-        add             r0,  r0,  r2
-        bne             3b
-        pop             {r4-r10,pc}
-        .align 5
-4:
-        ldm             r1,  {r4-r5, r10}
-        add             r1,  r1,  r2
-        ALIGN_DWORD_D   3,   r6,  r7,  r4,  r5,  r10
-        pld             [r1]
-        RND_AVG32       r8,  r9,  r6,  r7,  r5,  r10, r12
-        subs            r3,  r3,  #1
-        stm             r0,  {r8-r9}
-        add             r0,  r0,  r2
-        bne             4b
-        pop             {r4-r10,pc}
-endfunc
-
-        .align 5
-function ff_put_no_rnd_pixels8_x2_arm, export=1
-        @ void func(uint8_t *block, const uint8_t *pixels, int line_size, int h)
-        @ block = word aligned, pixles = unaligned
-        pld             [r1]
-        push            {r4-r10,lr}
-        ldr             r12, =0xfefefefe
-        JMP_ALIGN       r5,  r1
-1:
-        ldm             r1,  {r4-r5, r10}
-        add             r1,  r1,  r2
-        ALIGN_DWORD_D   1,   r6,  r7,  r4,  r5,  r10
-        pld             [r1]
-        NO_RND_AVG32    r8,  r9,  r4,  r5,  r6,  r7,  r12
-        subs            r3,  r3,  #1
-        stm             r0,  {r8-r9}
-        add             r0,  r0,  r2
-        bne             1b
-        pop             {r4-r10,pc}
-        .align 5
-2:
-        ldm             r1,  {r4-r5, r10}
-        add             r1,  r1,  r2
-        ALIGN_DWORD_D   1,   r6,  r7,  r4,  r5,  r10
-        ALIGN_DWORD_D   2,   r8,  r9,  r4,  r5,  r10
-        pld             [r1]
-        NO_RND_AVG32    r4,  r5,  r6,  r7,  r8,  r9,  r12
-        subs            r3,  r3,  #1
-        stm             r0,  {r4-r5}
-        add             r0,  r0,  r2
-        bne             2b
-        pop             {r4-r10,pc}
-        .align 5
-3:
-        ldm             r1,  {r4-r5, r10}
-        add             r1,  r1,  r2
-        ALIGN_DWORD_D   2,   r6,  r7,  r4,  r5,  r10
-        ALIGN_DWORD_D   3,   r8,  r9,  r4,  r5,  r10
-        pld             [r1]
-        NO_RND_AVG32    r4,  r5,  r6,  r7,  r8,  r9,  r12
-        subs            r3,  r3,  #1
-        stm             r0,  {r4-r5}
-        add             r0,  r0,  r2
-        bne             3b
-        pop             {r4-r10,pc}
-        .align 5
-4:
-        ldm             r1,  {r4-r5, r10}
-        add             r1,  r1,  r2
-        ALIGN_DWORD_D   3,   r6,  r7,  r4,  r5,  r10
-        pld             [r1]
-        NO_RND_AVG32    r8,  r9,  r6,  r7,  r5,  r10, r12
-        subs            r3,  r3,  #1
-        stm             r0,  {r8-r9}
-        add             r0,  r0,  r2
-        bne             4b
-        pop             {r4-r10,pc}
-endfunc
-
-
-@ ----------------------------------------------------------------
-        .align 5
-function ff_put_pixels8_y2_arm, export=1
-        @ void func(uint8_t *block, const uint8_t *pixels, int line_size, int h)
-        @ block = word aligned, pixles = unaligned
-        pld             [r1]
-        push            {r4-r11,lr}
-        mov             r3,  r3,  lsr #1
-        ldr             r12, =0xfefefefe
-        JMP_ALIGN       r5,  r1
-1:
-        ldm             r1,  {r4-r5}
-        add             r1,  r1,  r2
-6:      ldm             r1,  {r6-r7}
-        add             r1,  r1,  r2
-        pld             [r1]
-        RND_AVG32       r8,  r9,  r4,  r5,  r6,  r7,  r12
-        ldm             r1,  {r4-r5}
-        add             r1,  r1,  r2
-        stm             r0,  {r8-r9}
-        add             r0,  r0,  r2
-        pld             [r1]
-        RND_AVG32       r8,  r9,  r6,  r7,  r4,  r5,  r12
-        subs            r3,  r3,  #1
-        stm             r0,  {r8-r9}
-        add             r0,  r0,  r2
-        bne             6b
-        pop             {r4-r11,pc}
-        .align 5
-2:
-        ldm             r1,  {r4-r6}
-        add             r1,  r1,  r2
-        pld             [r1]
-        ALIGN_DWORD     1,   r4,  r5,  r6
-6:      ldm             r1,  {r7-r9}
-        add             r1,  r1,  r2
-        pld             [r1]
-        ALIGN_DWORD     1,   r7,  r8,  r9
-        RND_AVG32       r10, r11, r4,  r5,  r7,  r8,  r12
-        stm             r0,  {r10-r11}
-        add             r0,  r0,  r2
-        ldm             r1,  {r4-r6}
-        add             r1,  r1,  r2
-        pld             [r1]
-        ALIGN_DWORD     1,   r4,  r5,  r6
-        subs            r3,  r3,  #1
-        RND_AVG32       r10, r11, r7,  r8,  r4,  r5,  r12
-        stm             r0,  {r10-r11}
-        add             r0,  r0,  r2
-        bne             6b
-        pop             {r4-r11,pc}
-        .align 5
-3:
-        ldm             r1,  {r4-r6}
-        add             r1,  r1,  r2
-        pld             [r1]
-        ALIGN_DWORD     2,   r4,  r5,  r6
-6:      ldm             r1,  {r7-r9}
-        add             r1,  r1,  r2
-        pld             [r1]
-        ALIGN_DWORD     2,   r7,  r8,  r9
-        RND_AVG32       r10, r11, r4,  r5,  r7,  r8,  r12
-        stm             r0,  {r10-r11}
-        add             r0,  r0,  r2
-        ldm             r1,  {r4-r6}
-        add             r1,  r1,  r2
-        pld             [r1]
-        ALIGN_DWORD     2,   r4,  r5,  r6
-        subs            r3,  r3,  #1
-        RND_AVG32       r10, r11, r7,  r8,  r4,  r5,  r12
-        stm             r0,  {r10-r11}
-        add             r0,  r0,  r2
-        bne             6b
-        pop             {r4-r11,pc}
-        .align 5
-4:
-        ldm             r1,  {r4-r6}
-        add             r1,  r1,  r2
-        pld             [r1]
-        ALIGN_DWORD     3,   r4,  r5,  r6
-6:      ldm             r1,  {r7-r9}
-        add             r1,  r1,  r2
-        pld             [r1]
-        ALIGN_DWORD     3,   r7,  r8,  r9
-        RND_AVG32       r10, r11, r4,  r5,  r7,  r8,  r12
-        stm             r0,  {r10-r11}
-        add             r0,  r0,  r2
-        ldm             r1,  {r4-r6}
-        add             r1,  r1,  r2
-        pld             [r1]
-        ALIGN_DWORD     3,   r4,  r5,  r6
-        subs            r3,  r3,  #1
-        RND_AVG32       r10, r11, r7,  r8,  r4,  r5,  r12
-        stm             r0,  {r10-r11}
-        add             r0,  r0,  r2
-        bne             6b
-        pop             {r4-r11,pc}
-endfunc
-
-        .align 5
-function ff_put_no_rnd_pixels8_y2_arm, export=1
-        @ void func(uint8_t *block, const uint8_t *pixels, int line_size, int h)
-        @ block = word aligned, pixles = unaligned
-        pld             [r1]
-        push            {r4-r11,lr}
-        mov             r3,  r3,  lsr #1
-        ldr             r12, =0xfefefefe
-        JMP_ALIGN       r5,  r1
-1:
-        ldm             r1,  {r4-r5}
-        add             r1,  r1,  r2
-6:      ldm             r1,  {r6-r7}
-        add             r1,  r1,  r2
-        pld             [r1]
-        NO_RND_AVG32    r8,  r9,  r4,  r5,  r6,  r7,  r12
-        ldm             r1,  {r4-r5}
-        add             r1,  r1,  r2
-        stm             r0,  {r8-r9}
-        add             r0,  r0,  r2
-        pld             [r1]
-        NO_RND_AVG32    r8,  r9,  r6,  r7,  r4,  r5,  r12
-        subs            r3,  r3,  #1
-        stm             r0,  {r8-r9}
-        add             r0,  r0,  r2
-        bne             6b
-        pop             {r4-r11,pc}
-        .align 5
-2:
-        ldm             r1,  {r4-r6}
-        add             r1,  r1,  r2
-        pld             [r1]
-        ALIGN_DWORD     1,   r4,  r5,  r6
-6:      ldm             r1,  {r7-r9}
-        add             r1,  r1,  r2
-        pld             [r1]
-        ALIGN_DWORD     1,   r7,  r8,  r9
-        NO_RND_AVG32    r10, r11, r4,  r5,  r7,  r8,  r12
-        stm             r0,  {r10-r11}
-        add             r0,  r0,  r2
-        ldm             r1,  {r4-r6}
-        add             r1,  r1,  r2
-        pld             [r1]
-        ALIGN_DWORD     1,   r4,  r5,  r6
-        subs            r3,  r3,  #1
-        NO_RND_AVG32    r10, r11, r7,  r8,  r4,  r5,  r12
-        stm             r0,  {r10-r11}
-        add             r0,  r0,  r2
-        bne             6b
-        pop             {r4-r11,pc}
-        .align 5
-3:
-        ldm             r1,  {r4-r6}
-        add             r1,  r1,  r2
-        pld             [r1]
-        ALIGN_DWORD     2,   r4,  r5,  r6
-6:      ldm             r1,  {r7-r9}
-        add             r1,  r1,  r2
-        pld             [r1]
-        ALIGN_DWORD     2,   r7,  r8,  r9
-        NO_RND_AVG32    r10, r11, r4,  r5,  r7,  r8,  r12
-        stm             r0,  {r10-r11}
-        add             r0,  r0,  r2
-        ldm             r1,  {r4-r6}
-        add             r1,  r1,  r2
-        pld             [r1]
-        ALIGN_DWORD     2,   r4,  r5,  r6
-        subs            r3,  r3,  #1
-        NO_RND_AVG32    r10, r11, r7,  r8,  r4,  r5,  r12
-        stm             r0,  {r10-r11}
-        add             r0,  r0,  r2
-        bne             6b
-        pop             {r4-r11,pc}
-        .align 5
-4:
-        ldm             r1,  {r4-r6}
-        add             r1,  r1,  r2
-        pld             [r1]
-        ALIGN_DWORD     3,   r4,  r5,  r6
-6:      ldm             r1,  {r7-r9}
-        add             r1,  r1,  r2
-        pld             [r1]
-        ALIGN_DWORD     3,   r7,  r8,  r9
-        NO_RND_AVG32    r10, r11, r4,  r5,  r7,  r8,  r12
-        stm             r0,  {r10-r11}
-        add             r0,  r0,  r2
-        ldm             r1,  {r4-r6}
-        add             r1,  r1,  r2
-        pld             [r1]
-        ALIGN_DWORD     3,   r4,  r5,  r6
-        subs            r3,  r3,  #1
-        NO_RND_AVG32    r10, r11, r7,  r8,  r4,  r5,  r12
-        stm             r0,  {r10-r11}
-        add             r0,  r0,  r2
-        bne             6b
-        pop             {r4-r11,pc}
-endfunc
-
-        .ltorg
-
-@ ----------------------------------------------------------------
-.macro  RND_XY2_IT align, rnd
-        @ l1=  (a & 0x03030303) + (b & 0x03030303) ?(+ 0x02020202)
-        @ h1= ((a & 0xFCFCFCFCUL) >> 2) + ((b & 0xFCFCFCFCUL) >> 2)
-.if \align == 0
-        ldm             r1,  {r6-r8}
-.elseif \align == 3
-        ldm             r1,  {r5-r7}
-.else
-        ldm             r1,  {r8-r10}
-.endif
-        add             r1,  r1,  r2
-        pld             [r1]
-.if \align == 0
-        ALIGN_DWORD_D   1,   r4,  r5,  r6,  r7,  r8
-.elseif \align == 1
-        ALIGN_DWORD_D   1,   r4,  r5,  r8,  r9,  r10
-        ALIGN_DWORD_D   2,   r6,  r7,  r8,  r9,  r10
-.elseif \align == 2
-        ALIGN_DWORD_D   2,   r4,  r5,  r8,  r9,  r10
-        ALIGN_DWORD_D   3,   r6,  r7,  r8,  r9,  r10
-.elseif \align == 3
-        ALIGN_DWORD_D   3,   r4,  r5,  r5,  r6,  r7
-.endif
-        ldr             r14, =0x03030303
-        tst             r3,  #1
-        and             r8,  r4,  r14
-        and             r9,  r5,  r14
-        and             r10, r6,  r14
-        and             r11, r7,  r14
-        it              eq
-        andeq           r14, r14, r14, \rnd #1
-        add             r8,  r8,  r10
-        add             r9,  r9,  r11
-        ldr             r12, =0xfcfcfcfc >> 2
-        itt             eq
-        addeq           r8,  r8,  r14
-        addeq           r9,  r9,  r14
-        and             r4,  r12, r4,  lsr #2
-        and             r5,  r12, r5,  lsr #2
-        and             r6,  r12, r6,  lsr #2
-        and             r7,  r12, r7,  lsr #2
-        add             r10, r4,  r6
-        add             r11, r5,  r7
-        subs            r3,  r3,  #1
-.endm
-
-.macro RND_XY2_EXPAND align, rnd
-        RND_XY2_IT      \align, \rnd
-6:      push            {r8-r11}
-        RND_XY2_IT      \align, \rnd
-        pop             {r4-r7}
-        add             r4,  r4,  r8
-        add             r5,  r5,  r9
-        ldr             r14, =0x0f0f0f0f
-        add             r6,  r6,  r10
-        add             r7,  r7,  r11
-        and             r4,  r14, r4,  lsr #2
-        and             r5,  r14, r5,  lsr #2
-        add             r4,  r4,  r6
-        add             r5,  r5,  r7
-        stm             r0,  {r4-r5}
-        add             r0,  r0,  r2
-        bge             6b
-        pop             {r4-r11,pc}
-.endm
-
-        .align 5
-function ff_put_pixels8_xy2_arm, export=1
-        @ void func(uint8_t *block, const uint8_t *pixels, int line_size, int h)
-        @ block = word aligned, pixles = unaligned
-        pld             [r1]
-        push            {r4-r11,lr} @ R14 is also called LR
-        JMP_ALIGN       r5,  r1
-1:      RND_XY2_EXPAND  0, lsl
-        .align 5
-2:      RND_XY2_EXPAND  1, lsl
-        .align 5
-3:      RND_XY2_EXPAND  2, lsl
-        .align 5
-4:      RND_XY2_EXPAND  3, lsl
-endfunc
-
-        .align 5
-function ff_put_no_rnd_pixels8_xy2_arm, export=1
-        @ void func(uint8_t *block, const uint8_t *pixels, int line_size, int h)
-        @ block = word aligned, pixles = unaligned
-        pld             [r1]
-        push            {r4-r11,lr}
-        JMP_ALIGN       r5,  r1
-1:      RND_XY2_EXPAND  0, lsr
-        .align 5
-2:      RND_XY2_EXPAND  1, lsr
-        .align 5
-3:      RND_XY2_EXPAND  2, lsr
-        .align 5
-4:      RND_XY2_EXPAND  3, lsr
-endfunc
-
         .align 5
 @ void ff_add_pixels_clamped_arm(int16_t *block, uint8_t *dest, int stride)
 function ff_add_pixels_clamped_arm, export=1