| /* |
| * Copyright (c) 2008 Mans Rullgard <mans@mansr.com> |
| * |
| * This file is part of FFmpeg |
| * |
| * FFmpeg is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Lesser General Public |
| * License as published by the Free Software Foundation; either |
| * version 2.1 of the License, or (at your option) any later version. |
| * |
| * FFmpeg is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Lesser General Public License for more details. |
| * |
| * You should have received a copy of the GNU Lesser General Public |
| * License along with FFmpeg; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| */ |
| |
| #include "config.h" |
| #include "libavutil/arm/asm.S" |
| |
| function ff_conv_flt_to_s16_neon, export=1 |
| subs r2, r2, #8 |
| vld1.32 {q0}, [r1,:128]! |
| vcvt.s32.f32 q8, q0, #31 |
| vld1.32 {q1}, [r1,:128]! |
| vcvt.s32.f32 q9, q1, #31 |
| beq 3f |
| bics r12, r2, #15 |
| beq 2f |
| 1: subs r12, r12, #16 |
| vqrshrn.s32 d4, q8, #16 |
| vld1.32 {q0}, [r1,:128]! |
| vcvt.s32.f32 q0, q0, #31 |
| vqrshrn.s32 d5, q9, #16 |
| vld1.32 {q1}, [r1,:128]! |
| vcvt.s32.f32 q1, q1, #31 |
| vqrshrn.s32 d6, q0, #16 |
| vst1.16 {q2}, [r0,:128]! |
| vqrshrn.s32 d7, q1, #16 |
| vld1.32 {q8}, [r1,:128]! |
| vcvt.s32.f32 q8, q8, #31 |
| vld1.32 {q9}, [r1,:128]! |
| vcvt.s32.f32 q9, q9, #31 |
| vst1.16 {q3}, [r0,:128]! |
| bne 1b |
| ands r2, r2, #15 |
| beq 3f |
| 2: vld1.32 {q0}, [r1,:128]! |
| vqrshrn.s32 d4, q8, #16 |
| vcvt.s32.f32 q0, q0, #31 |
| vld1.32 {q1}, [r1,:128]! |
| vqrshrn.s32 d5, q9, #16 |
| vcvt.s32.f32 q1, q1, #31 |
| vqrshrn.s32 d6, q0, #16 |
| vst1.16 {q2}, [r0,:128]! |
| vqrshrn.s32 d7, q1, #16 |
| vst1.16 {q3}, [r0,:128]! |
| bx lr |
| 3: vqrshrn.s32 d4, q8, #16 |
| vqrshrn.s32 d5, q9, #16 |
| vst1.16 {q2}, [r0,:128]! |
| bx lr |
| endfunc |
| |
| function ff_conv_fltp_to_s16_2ch_neon, export=1 |
| ldm r1, {r1, r3} |
| subs r2, r2, #8 |
| vld1.32 {q0}, [r1,:128]! |
| vcvt.s32.f32 q8, q0, #31 |
| vld1.32 {q1}, [r1,:128]! |
| vcvt.s32.f32 q9, q1, #31 |
| vld1.32 {q10}, [r3,:128]! |
| vcvt.s32.f32 q10, q10, #31 |
| vld1.32 {q11}, [r3,:128]! |
| vcvt.s32.f32 q11, q11, #31 |
| beq 3f |
| bics r12, r2, #15 |
| beq 2f |
| 1: subs r12, r12, #16 |
| vld1.32 {q0}, [r1,:128]! |
| vcvt.s32.f32 q0, q0, #31 |
| vsri.32 q10, q8, #16 |
| vld1.32 {q1}, [r1,:128]! |
| vcvt.s32.f32 q1, q1, #31 |
| vld1.32 {q12}, [r3,:128]! |
| vcvt.s32.f32 q12, q12, #31 |
| vld1.32 {q13}, [r3,:128]! |
| vsri.32 q11, q9, #16 |
| vst1.16 {q10}, [r0,:128]! |
| vcvt.s32.f32 q13, q13, #31 |
| vst1.16 {q11}, [r0,:128]! |
| vsri.32 q12, q0, #16 |
| vld1.32 {q8}, [r1,:128]! |
| vsri.32 q13, q1, #16 |
| vst1.16 {q12}, [r0,:128]! |
| vcvt.s32.f32 q8, q8, #31 |
| vld1.32 {q9}, [r1,:128]! |
| vcvt.s32.f32 q9, q9, #31 |
| vld1.32 {q10}, [r3,:128]! |
| vcvt.s32.f32 q10, q10, #31 |
| vld1.32 {q11}, [r3,:128]! |
| vcvt.s32.f32 q11, q11, #31 |
| vst1.16 {q13}, [r0,:128]! |
| bne 1b |
| ands r2, r2, #15 |
| beq 3f |
| 2: vsri.32 q10, q8, #16 |
| vld1.32 {q0}, [r1,:128]! |
| vcvt.s32.f32 q0, q0, #31 |
| vld1.32 {q1}, [r1,:128]! |
| vcvt.s32.f32 q1, q1, #31 |
| vld1.32 {q12}, [r3,:128]! |
| vcvt.s32.f32 q12, q12, #31 |
| vsri.32 q11, q9, #16 |
| vld1.32 {q13}, [r3,:128]! |
| vcvt.s32.f32 q13, q13, #31 |
| vst1.16 {q10}, [r0,:128]! |
| vsri.32 q12, q0, #16 |
| vst1.16 {q11}, [r0,:128]! |
| vsri.32 q13, q1, #16 |
| vst1.16 {q12-q13},[r0,:128]! |
| bx lr |
| 3: vsri.32 q10, q8, #16 |
| vsri.32 q11, q9, #16 |
| vst1.16 {q10-q11},[r0,:128]! |
| bx lr |
| endfunc |
| |
| function ff_conv_fltp_to_s16_neon, export=1 |
| cmp r3, #2 |
| itt lt |
| ldrlt r1, [r1] |
| blt X(ff_conv_flt_to_s16_neon) |
| beq X(ff_conv_fltp_to_s16_2ch_neon) |
| |
| push {r4-r8, lr} |
| cmp r3, #4 |
| lsl r12, r3, #1 |
| blt 4f |
| |
| @ 4 channels |
| 5: ldm r1!, {r4-r7} |
| mov lr, r2 |
| mov r8, r0 |
| vld1.32 {q8}, [r4,:128]! |
| vcvt.s32.f32 q8, q8, #31 |
| vld1.32 {q9}, [r5,:128]! |
| vcvt.s32.f32 q9, q9, #31 |
| vld1.32 {q10}, [r6,:128]! |
| vcvt.s32.f32 q10, q10, #31 |
| vld1.32 {q11}, [r7,:128]! |
| vcvt.s32.f32 q11, q11, #31 |
| 6: subs lr, lr, #8 |
| vld1.32 {q0}, [r4,:128]! |
| vcvt.s32.f32 q0, q0, #31 |
| vsri.32 q9, q8, #16 |
| vld1.32 {q1}, [r5,:128]! |
| vcvt.s32.f32 q1, q1, #31 |
| vsri.32 q11, q10, #16 |
| vld1.32 {q2}, [r6,:128]! |
| vcvt.s32.f32 q2, q2, #31 |
| vzip.32 d18, d22 |
| vld1.32 {q3}, [r7,:128]! |
| vcvt.s32.f32 q3, q3, #31 |
| vzip.32 d19, d23 |
| vst1.16 {d18}, [r8], r12 |
| vsri.32 q1, q0, #16 |
| vst1.16 {d22}, [r8], r12 |
| vsri.32 q3, q2, #16 |
| vst1.16 {d19}, [r8], r12 |
| vzip.32 d2, d6 |
| vst1.16 {d23}, [r8], r12 |
| vzip.32 d3, d7 |
| beq 7f |
| vld1.32 {q8}, [r4,:128]! |
| vcvt.s32.f32 q8, q8, #31 |
| vst1.16 {d2}, [r8], r12 |
| vld1.32 {q9}, [r5,:128]! |
| vcvt.s32.f32 q9, q9, #31 |
| vst1.16 {d6}, [r8], r12 |
| vld1.32 {q10}, [r6,:128]! |
| vcvt.s32.f32 q10, q10, #31 |
| vst1.16 {d3}, [r8], r12 |
| vld1.32 {q11}, [r7,:128]! |
| vcvt.s32.f32 q11, q11, #31 |
| vst1.16 {d7}, [r8], r12 |
| b 6b |
| 7: vst1.16 {d2}, [r8], r12 |
| vst1.16 {d6}, [r8], r12 |
| vst1.16 {d3}, [r8], r12 |
| vst1.16 {d7}, [r8], r12 |
| subs r3, r3, #4 |
| it eq |
| popeq {r4-r8, pc} |
| cmp r3, #4 |
| add r0, r0, #8 |
| bge 5b |
| |
| @ 2 channels |
| 4: cmp r3, #2 |
| blt 4f |
| ldm r1!, {r4-r5} |
| mov lr, r2 |
| mov r8, r0 |
| tst lr, #8 |
| vld1.32 {q8}, [r4,:128]! |
| vcvt.s32.f32 q8, q8, #31 |
| vld1.32 {q9}, [r5,:128]! |
| vcvt.s32.f32 q9, q9, #31 |
| vld1.32 {q10}, [r4,:128]! |
| vcvt.s32.f32 q10, q10, #31 |
| vld1.32 {q11}, [r5,:128]! |
| vcvt.s32.f32 q11, q11, #31 |
| beq 6f |
| subs lr, lr, #8 |
| beq 7f |
| vsri.32 d18, d16, #16 |
| vsri.32 d19, d17, #16 |
| vld1.32 {q8}, [r4,:128]! |
| vcvt.s32.f32 q8, q8, #31 |
| vst1.32 {d18[0]}, [r8], r12 |
| vsri.32 d22, d20, #16 |
| vst1.32 {d18[1]}, [r8], r12 |
| vsri.32 d23, d21, #16 |
| vst1.32 {d19[0]}, [r8], r12 |
| vst1.32 {d19[1]}, [r8], r12 |
| vld1.32 {q9}, [r5,:128]! |
| vcvt.s32.f32 q9, q9, #31 |
| vst1.32 {d22[0]}, [r8], r12 |
| vst1.32 {d22[1]}, [r8], r12 |
| vld1.32 {q10}, [r4,:128]! |
| vcvt.s32.f32 q10, q10, #31 |
| vst1.32 {d23[0]}, [r8], r12 |
| vst1.32 {d23[1]}, [r8], r12 |
| vld1.32 {q11}, [r5,:128]! |
| vcvt.s32.f32 q11, q11, #31 |
| 6: subs lr, lr, #16 |
| vld1.32 {q0}, [r4,:128]! |
| vcvt.s32.f32 q0, q0, #31 |
| vsri.32 d18, d16, #16 |
| vld1.32 {q1}, [r5,:128]! |
| vcvt.s32.f32 q1, q1, #31 |
| vsri.32 d19, d17, #16 |
| vld1.32 {q2}, [r4,:128]! |
| vcvt.s32.f32 q2, q2, #31 |
| vld1.32 {q3}, [r5,:128]! |
| vcvt.s32.f32 q3, q3, #31 |
| vst1.32 {d18[0]}, [r8], r12 |
| vsri.32 d22, d20, #16 |
| vst1.32 {d18[1]}, [r8], r12 |
| vsri.32 d23, d21, #16 |
| vst1.32 {d19[0]}, [r8], r12 |
| vsri.32 d2, d0, #16 |
| vst1.32 {d19[1]}, [r8], r12 |
| vsri.32 d3, d1, #16 |
| vst1.32 {d22[0]}, [r8], r12 |
| vsri.32 d6, d4, #16 |
| vst1.32 {d22[1]}, [r8], r12 |
| vsri.32 d7, d5, #16 |
| vst1.32 {d23[0]}, [r8], r12 |
| vst1.32 {d23[1]}, [r8], r12 |
| beq 6f |
| vld1.32 {q8}, [r4,:128]! |
| vcvt.s32.f32 q8, q8, #31 |
| vst1.32 {d2[0]}, [r8], r12 |
| vst1.32 {d2[1]}, [r8], r12 |
| vld1.32 {q9}, [r5,:128]! |
| vcvt.s32.f32 q9, q9, #31 |
| vst1.32 {d3[0]}, [r8], r12 |
| vst1.32 {d3[1]}, [r8], r12 |
| vld1.32 {q10}, [r4,:128]! |
| vcvt.s32.f32 q10, q10, #31 |
| vst1.32 {d6[0]}, [r8], r12 |
| vst1.32 {d6[1]}, [r8], r12 |
| vld1.32 {q11}, [r5,:128]! |
| vcvt.s32.f32 q11, q11, #31 |
| vst1.32 {d7[0]}, [r8], r12 |
| vst1.32 {d7[1]}, [r8], r12 |
| bgt 6b |
| 6: vst1.32 {d2[0]}, [r8], r12 |
| vst1.32 {d2[1]}, [r8], r12 |
| vst1.32 {d3[0]}, [r8], r12 |
| vst1.32 {d3[1]}, [r8], r12 |
| vst1.32 {d6[0]}, [r8], r12 |
| vst1.32 {d6[1]}, [r8], r12 |
| vst1.32 {d7[0]}, [r8], r12 |
| vst1.32 {d7[1]}, [r8], r12 |
| b 8f |
| 7: vsri.32 d18, d16, #16 |
| vsri.32 d19, d17, #16 |
| vst1.32 {d18[0]}, [r8], r12 |
| vsri.32 d22, d20, #16 |
| vst1.32 {d18[1]}, [r8], r12 |
| vsri.32 d23, d21, #16 |
| vst1.32 {d19[0]}, [r8], r12 |
| vst1.32 {d19[1]}, [r8], r12 |
| vst1.32 {d22[0]}, [r8], r12 |
| vst1.32 {d22[1]}, [r8], r12 |
| vst1.32 {d23[0]}, [r8], r12 |
| vst1.32 {d23[1]}, [r8], r12 |
| 8: subs r3, r3, #2 |
| add r0, r0, #4 |
| it eq |
| popeq {r4-r8, pc} |
| |
| @ 1 channel |
| 4: ldr r4, [r1] |
| tst r2, #8 |
| mov lr, r2 |
| mov r5, r0 |
| vld1.32 {q0}, [r4,:128]! |
| vcvt.s32.f32 q0, q0, #31 |
| vld1.32 {q1}, [r4,:128]! |
| vcvt.s32.f32 q1, q1, #31 |
| bne 8f |
| 6: subs lr, lr, #16 |
| vld1.32 {q2}, [r4,:128]! |
| vcvt.s32.f32 q2, q2, #31 |
| vld1.32 {q3}, [r4,:128]! |
| vcvt.s32.f32 q3, q3, #31 |
| vst1.16 {d0[1]}, [r5,:16], r12 |
| vst1.16 {d0[3]}, [r5,:16], r12 |
| vst1.16 {d1[1]}, [r5,:16], r12 |
| vst1.16 {d1[3]}, [r5,:16], r12 |
| vst1.16 {d2[1]}, [r5,:16], r12 |
| vst1.16 {d2[3]}, [r5,:16], r12 |
| vst1.16 {d3[1]}, [r5,:16], r12 |
| vst1.16 {d3[3]}, [r5,:16], r12 |
| beq 7f |
| vld1.32 {q0}, [r4,:128]! |
| vcvt.s32.f32 q0, q0, #31 |
| vld1.32 {q1}, [r4,:128]! |
| vcvt.s32.f32 q1, q1, #31 |
| 7: vst1.16 {d4[1]}, [r5,:16], r12 |
| vst1.16 {d4[3]}, [r5,:16], r12 |
| vst1.16 {d5[1]}, [r5,:16], r12 |
| vst1.16 {d5[3]}, [r5,:16], r12 |
| vst1.16 {d6[1]}, [r5,:16], r12 |
| vst1.16 {d6[3]}, [r5,:16], r12 |
| vst1.16 {d7[1]}, [r5,:16], r12 |
| vst1.16 {d7[3]}, [r5,:16], r12 |
| bgt 6b |
| pop {r4-r8, pc} |
| 8: subs lr, lr, #8 |
| vst1.16 {d0[1]}, [r5,:16], r12 |
| vst1.16 {d0[3]}, [r5,:16], r12 |
| vst1.16 {d1[1]}, [r5,:16], r12 |
| vst1.16 {d1[3]}, [r5,:16], r12 |
| vst1.16 {d2[1]}, [r5,:16], r12 |
| vst1.16 {d2[3]}, [r5,:16], r12 |
| vst1.16 {d3[1]}, [r5,:16], r12 |
| vst1.16 {d3[3]}, [r5,:16], r12 |
| it eq |
| popeq {r4-r8, pc} |
| vld1.32 {q0}, [r4,:128]! |
| vcvt.s32.f32 q0, q0, #31 |
| vld1.32 {q1}, [r4,:128]! |
| vcvt.s32.f32 q1, q1, #31 |
| b 6b |
| endfunc |