diff options
Diffstat (limited to 'media/libstagefright/codecs/amrwbenc/src/asm/ARMV7/syn_filt_neon.s')
| -rw-r--r-- | media/libstagefright/codecs/amrwbenc/src/asm/ARMV7/syn_filt_neon.s | 106 |
1 files changed, 0 insertions, 106 deletions
diff --git a/media/libstagefright/codecs/amrwbenc/src/asm/ARMV7/syn_filt_neon.s b/media/libstagefright/codecs/amrwbenc/src/asm/ARMV7/syn_filt_neon.s deleted file mode 100644 index 5731bdb..0000000 --- a/media/libstagefright/codecs/amrwbenc/src/asm/ARMV7/syn_filt_neon.s +++ /dev/null @@ -1,106 +0,0 @@ -@/* -@ ** Copyright 2003-2010, VisualOn, Inc. -@ ** -@ ** Licensed under the Apache License, Version 2.0 (the "License"); -@ ** you may not use this file except in compliance with the License. -@ ** You may obtain a copy of the License at -@ ** -@ ** http://www.apache.org/licenses/LICENSE-2.0 -@ ** -@ ** Unless required by applicable law or agreed to in writing, software -@ ** distributed under the License is distributed on an "AS IS" BASIS, -@ ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -@ ** See the License for the specific language governing permissions and -@ ** limitations under the License. -@ */ -@ -@void Syn_filt( -@ Word16 a[], /* (i) Q12 : a[m+1] prediction coefficients */ -@ Word16 x[], /* (i) : input signal */ -@ Word16 y[], /* (o) : output signal */ -@ Word16 mem[], /* (i/o) : memory associated with this filtering. */ -@) -@*********************************************************************** -@ a[] --- r0 -@ x[] --- r1 -@ y[] --- r2 -@ mem[] --- r3 -@ m --- 16 lg --- 80 update --- 1 - - .section .text - .global Syn_filt_asm - -Syn_filt_asm: - - STMFD r13!, {r4 - r12, r14} - SUB r13, r13, #700 @ y_buf[L_FRAME16k + M16k] - - MOV r4, r3 @ copy mem[] address - MOV r5, r13 @ copy yy = y_buf address - - @ for(i = 0@ i < m@ i++) - @{ - @ *yy++ = mem[i]@ - @} - VLD1.S16 {D0, D1, D2, D3}, [r4]! @load 16 mems - VST1.S16 {D0, D1, D2, D3}, [r5]! @store 16 mem[] to *yy - - LDRSH r5, [r0], #2 @ load a[0] - MOV r8, #0 @ i = 0 - MOV r5, r5, ASR #1 @ a0 = a[0] >> 1 - VMOV.S16 D8[0], r5 - @ load all a[] - VLD1.S16 {D0, D1, D2, D3}, [r0]! @ load a[1] ~ a[16] - VREV64.16 D0, D0 - VREV64.16 D1, D1 - VREV64.16 D2, D2 - VREV64.16 D3, D3 - MOV r8, #0 @ loop times - MOV r10, r13 @ temp = y_buf - ADD r4, r13, #32 @ yy[i] address - - VLD1.S16 {D4, D5, D6, D7}, [r10]! @ first 16 temp_p - -SYN_LOOP: - - LDRSH r6, [r1], #2 @ load x[i] - MUL r12, r6, r5 @ L_tmp = x[i] * a0 - ADD r10, r4, r8, LSL #1 @ y[i], yy[i] address - - VDUP.S32 Q10, r12 - VMULL.S16 Q5, D3, D4 - VMLAL.S16 Q5, D2, D5 - VMLAL.S16 Q5, D1, D6 - VMLAL.S16 Q5, D0, D7 - VEXT.8 D4, D4, D5, #2 - VEXT.8 D5, D5, D6, #2 - VEXT.8 D6, D6, D7, #2 - VPADD.S32 D12, D10, D11 - ADD r8, r8, #1 - VPADD.S32 D10, D12, D12 - - VDUP.S32 Q7, D10[0] - - VSUB.S32 Q9, Q10, Q7 - VQRSHRN.S32 D20, Q9, #12 - VMOV.S16 r9, D20[0] - VEXT.8 D7, D7, D20, #2 - CMP r8, #80 - STRH r9, [r10] @ yy[i] - STRH r9, [r2], #2 @ y[i] - - BLT SYN_LOOP - - @ update mem[] - ADD r5, r13, #160 @ yy[64] address - VLD1.S16 {D0, D1, D2, D3}, [r5]! - VST1.S16 {D0, D1, D2, D3}, [r3]! - -Syn_filt_asm_end: - - ADD r13, r13, #700 - LDMFD r13!, {r4 - r12, r15} - @ENDFUNC - .END - - |