diff options
Diffstat (limited to 'third_party/aom/aom_dsp/arm/aom_convolve8_neon_asm.asm')
-rw-r--r-- | third_party/aom/aom_dsp/arm/aom_convolve8_neon_asm.asm | 273 |
1 files changed, 0 insertions, 273 deletions
diff --git a/third_party/aom/aom_dsp/arm/aom_convolve8_neon_asm.asm b/third_party/aom/aom_dsp/arm/aom_convolve8_neon_asm.asm deleted file mode 100644 index 38207d864..000000000 --- a/third_party/aom/aom_dsp/arm/aom_convolve8_neon_asm.asm +++ /dev/null @@ -1,273 +0,0 @@ -; -; Copyright (c) 2016, Alliance for Open Media. All rights reserved -; -; This source code is subject to the terms of the BSD 2 Clause License and -; the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License -; was not distributed with this source code in the LICENSE file, you can -; obtain it at www.aomedia.org/license/software. If the Alliance for Open -; Media Patent License 1.0 was not distributed with this source code in the -; PATENTS file, you can obtain it at www.aomedia.org/license/patent. -; - -; - - - ; These functions are only valid when: - ; x_step_q4 == 16 - ; w%4 == 0 - ; h%4 == 0 - ; taps == 8 - ; AV1_FILTER_WEIGHT == 128 - ; AV1_FILTER_SHIFT == 7 - - EXPORT |aom_convolve8_horiz_neon| - EXPORT |aom_convolve8_vert_neon| - ARM - REQUIRE8 - PRESERVE8 - - AREA ||.text||, CODE, READONLY, ALIGN=2 - - ; Multiply and accumulate by q0 - MACRO - MULTIPLY_BY_Q0 $dst, $src0, $src1, $src2, $src3, $src4, $src5, $src6, $src7 - vmull.s16 $dst, $src0, d0[0] - vmlal.s16 $dst, $src1, d0[1] - vmlal.s16 $dst, $src2, d0[2] - vmlal.s16 $dst, $src3, d0[3] - vmlal.s16 $dst, $src4, d1[0] - vmlal.s16 $dst, $src5, d1[1] - vmlal.s16 $dst, $src6, d1[2] - vmlal.s16 $dst, $src7, d1[3] - MEND - -; r0 const uint8_t *src -; r1 int src_stride -; r2 uint8_t *dst -; r3 int dst_stride -; sp[]const int16_t *filter_x -; sp[]int x_step_q4 -; sp[]const int16_t *filter_y ; unused -; sp[]int y_step_q4 ; unused -; sp[]int w -; sp[]int h - -|aom_convolve8_horiz_neon| PROC - push {r4-r10, lr} - - sub r0, r0, #3 ; adjust for taps - - ldr r5, [sp, #32] ; filter_x - ldr r6, [sp, #48] ; w - ldr r7, [sp, #52] ; h - - vld1.s16 {q0}, [r5] ; filter_x - - sub r8, r1, r1, lsl #2 ; -src_stride * 3 - add r8, r8, #4 ; -src_stride * 3 + 4 - - sub r4, r3, r3, lsl #2 ; -dst_stride * 3 - add r4, r4, #4 ; -dst_stride * 3 + 4 - - rsb r9, r6, r1, lsl #2 ; reset src for outer loop - sub r9, r9, #7 - rsb r12, r6, r3, lsl #2 ; reset dst for outer loop - - mov r10, r6 ; w loop counter - -aom_convolve8_loop_horiz_v - vld1.8 {d24}, [r0], r1 - vld1.8 {d25}, [r0], r1 - vld1.8 {d26}, [r0], r1 - vld1.8 {d27}, [r0], r8 - - vtrn.16 q12, q13 - vtrn.8 d24, d25 - vtrn.8 d26, d27 - - pld [r0, r1, lsl #2] - - vmovl.u8 q8, d24 - vmovl.u8 q9, d25 - vmovl.u8 q10, d26 - vmovl.u8 q11, d27 - - ; save a few instructions in the inner loop - vswp d17, d18 - vmov d23, d21 - - add r0, r0, #3 - -aom_convolve8_loop_horiz - add r5, r0, #64 - - vld1.32 {d28[]}, [r0], r1 - vld1.32 {d29[]}, [r0], r1 - vld1.32 {d31[]}, [r0], r1 - vld1.32 {d30[]}, [r0], r8 - - pld [r5] - - vtrn.16 d28, d31 - vtrn.16 d29, d30 - vtrn.8 d28, d29 - vtrn.8 d31, d30 - - pld [r5, r1] - - ; extract to s16 - vtrn.32 q14, q15 - vmovl.u8 q12, d28 - vmovl.u8 q13, d29 - - pld [r5, r1, lsl #1] - - ; src[] * filter_x - MULTIPLY_BY_Q0 q1, d16, d17, d20, d22, d18, d19, d23, d24 - MULTIPLY_BY_Q0 q2, d17, d20, d22, d18, d19, d23, d24, d26 - MULTIPLY_BY_Q0 q14, d20, d22, d18, d19, d23, d24, d26, d27 - MULTIPLY_BY_Q0 q15, d22, d18, d19, d23, d24, d26, d27, d25 - - pld [r5, -r8] - - ; += 64 >> 7 - vqrshrun.s32 d2, q1, #7 - vqrshrun.s32 d3, q2, #7 - vqrshrun.s32 d4, q14, #7 - vqrshrun.s32 d5, q15, #7 - - ; saturate - vqmovn.u16 d2, q1 - vqmovn.u16 d3, q2 - - ; transpose - vtrn.16 d2, d3 - vtrn.32 d2, d3 - vtrn.8 d2, d3 - - vst1.u32 {d2[0]}, [r2@32], r3 - vst1.u32 {d3[0]}, [r2@32], r3 - vst1.u32 {d2[1]}, [r2@32], r3 - vst1.u32 {d3[1]}, [r2@32], r4 - - vmov q8, q9 - vmov d20, d23 - vmov q11, q12 - vmov q9, q13 - - subs r6, r6, #4 ; w -= 4 - bgt aom_convolve8_loop_horiz - - ; outer loop - mov r6, r10 ; restore w counter - add r0, r0, r9 ; src += src_stride * 4 - w - add r2, r2, r12 ; dst += dst_stride * 4 - w - subs r7, r7, #4 ; h -= 4 - bgt aom_convolve8_loop_horiz_v - - pop {r4-r10, pc} - - ENDP - -|aom_convolve8_vert_neon| PROC - push {r4-r8, lr} - - ; adjust for taps - sub r0, r0, r1 - sub r0, r0, r1, lsl #1 - - ldr r4, [sp, #32] ; filter_y - ldr r6, [sp, #40] ; w - ldr lr, [sp, #44] ; h - - vld1.s16 {q0}, [r4] ; filter_y - - lsl r1, r1, #1 - lsl r3, r3, #1 - -aom_convolve8_loop_vert_h - mov r4, r0 - add r7, r0, r1, asr #1 - mov r5, r2 - add r8, r2, r3, asr #1 - mov r12, lr ; h loop counter - - vld1.u32 {d16[0]}, [r4], r1 - vld1.u32 {d16[1]}, [r7], r1 - vld1.u32 {d18[0]}, [r4], r1 - vld1.u32 {d18[1]}, [r7], r1 - vld1.u32 {d20[0]}, [r4], r1 - vld1.u32 {d20[1]}, [r7], r1 - vld1.u32 {d22[0]}, [r4], r1 - - vmovl.u8 q8, d16 - vmovl.u8 q9, d18 - vmovl.u8 q10, d20 - vmovl.u8 q11, d22 - -aom_convolve8_loop_vert - ; always process a 4x4 block at a time - vld1.u32 {d24[0]}, [r7], r1 - vld1.u32 {d26[0]}, [r4], r1 - vld1.u32 {d26[1]}, [r7], r1 - vld1.u32 {d24[1]}, [r4], r1 - - ; extract to s16 - vmovl.u8 q12, d24 - vmovl.u8 q13, d26 - - pld [r5] - pld [r8] - - ; src[] * filter_y - MULTIPLY_BY_Q0 q1, d16, d17, d18, d19, d20, d21, d22, d24 - - pld [r5, r3] - pld [r8, r3] - - MULTIPLY_BY_Q0 q2, d17, d18, d19, d20, d21, d22, d24, d26 - - pld [r7] - pld [r4] - - MULTIPLY_BY_Q0 q14, d18, d19, d20, d21, d22, d24, d26, d27 - - pld [r7, r1] - pld [r4, r1] - - MULTIPLY_BY_Q0 q15, d19, d20, d21, d22, d24, d26, d27, d25 - - ; += 64 >> 7 - vqrshrun.s32 d2, q1, #7 - vqrshrun.s32 d3, q2, #7 - vqrshrun.s32 d4, q14, #7 - vqrshrun.s32 d5, q15, #7 - - ; saturate - vqmovn.u16 d2, q1 - vqmovn.u16 d3, q2 - - vst1.u32 {d2[0]}, [r5@32], r3 - vst1.u32 {d2[1]}, [r8@32], r3 - vst1.u32 {d3[0]}, [r5@32], r3 - vst1.u32 {d3[1]}, [r8@32], r3 - - vmov q8, q10 - vmov d18, d22 - vmov d19, d24 - vmov q10, q13 - vmov d22, d25 - - subs r12, r12, #4 ; h -= 4 - bgt aom_convolve8_loop_vert - - ; outer loop - add r0, r0, #4 - add r2, r2, #4 - subs r6, r6, #4 ; w -= 4 - bgt aom_convolve8_loop_vert_h - - pop {r4-r8, pc} - - ENDP - END |