| /* |
| * Copyright (c) 2010 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 |
| */ |
| |
| #ifndef AVCODEC_ARM_AAC_H |
| #define AVCODEC_ARM_AAC_H |
| |
| #include "config.h" |
| |
| #if HAVE_NEON_INLINE |
| |
| #define VMUL2 VMUL2 |
| static inline float *VMUL2(float *dst, const float *v, unsigned idx, |
| const float *scale) |
| { |
| unsigned v0, v1; |
| __asm__ ("ubfx %0, %6, #0, #4 \n\t" |
| "ubfx %1, %6, #4, #4 \n\t" |
| "ldr %0, [%5, %0, lsl #2] \n\t" |
| "ldr %1, [%5, %1, lsl #2] \n\t" |
| "vld1.32 {d1[]}, [%7,:32] \n\t" |
| "vmov d0, %0, %1 \n\t" |
| "vmul.f32 d0, d0, d1 \n\t" |
| "vst1.32 {d0}, [%2,:64]! \n\t" |
| : "=&r"(v0), "=&r"(v1), "+r"(dst), "=m"(dst[0]), "=m"(dst[1]) |
| : "r"(v), "r"(idx), "r"(scale) |
| : "d0", "d1"); |
| return dst; |
| } |
| |
| #define VMUL4 VMUL4 |
| static inline float *VMUL4(float *dst, const float *v, unsigned idx, |
| const float *scale) |
| { |
| unsigned v0, v1, v2, v3; |
| __asm__ ("ubfx %0, %10, #0, #2 \n\t" |
| "ubfx %1, %10, #2, #2 \n\t" |
| "ldr %0, [%9, %0, lsl #2] \n\t" |
| "ubfx %2, %10, #4, #2 \n\t" |
| "ldr %1, [%9, %1, lsl #2] \n\t" |
| "ubfx %3, %10, #6, #2 \n\t" |
| "ldr %2, [%9, %2, lsl #2] \n\t" |
| "vmov d0, %0, %1 \n\t" |
| "ldr %3, [%9, %3, lsl #2] \n\t" |
| "vld1.32 {d2[],d3[]},[%11,:32] \n\t" |
| "vmov d1, %2, %3 \n\t" |
| "vmul.f32 q0, q0, q1 \n\t" |
| "vst1.32 {q0}, [%4,:128]! \n\t" |
| : "=&r"(v0), "=&r"(v1), "=&r"(v2), "=&r"(v3), "+r"(dst), |
| "=m"(dst[0]), "=m"(dst[1]), "=m"(dst[2]), "=m"(dst[3]) |
| : "r"(v), "r"(idx), "r"(scale) |
| : "d0", "d1", "d2", "d3"); |
| return dst; |
| } |
| |
| #define VMUL2S VMUL2S |
| static inline float *VMUL2S(float *dst, const float *v, unsigned idx, |
| unsigned sign, const float *scale) |
| { |
| unsigned v0, v1, v2, v3; |
| __asm__ ("ubfx %0, %8, #0, #4 \n\t" |
| "ubfx %1, %8, #4, #4 \n\t" |
| "ldr %0, [%7, %0, lsl #2] \n\t" |
| "lsl %2, %10, #30 \n\t" |
| "ldr %1, [%7, %1, lsl #2] \n\t" |
| "lsl %3, %10, #31 \n\t" |
| "vmov d0, %0, %1 \n\t" |
| "bic %2, %2, #1<<30 \n\t" |
| "vld1.32 {d1[]}, [%9,:32] \n\t" |
| "vmov d2, %2, %3 \n\t" |
| "veor d0, d0, d2 \n\t" |
| "vmul.f32 d0, d0, d1 \n\t" |
| "vst1.32 {d0}, [%4,:64]! \n\t" |
| : "=&r"(v0), "=&r"(v1), "=&r"(v2), "=&r"(v3), "+r"(dst), |
| "=m"(dst[0]), "=m"(dst[1]) |
| : "r"(v), "r"(idx), "r"(scale), "r"(sign) |
| : "d0", "d1", "d2"); |
| return dst; |
| } |
| |
| #define VMUL4S VMUL4S |
| static inline float *VMUL4S(float *dst, const float *v, unsigned idx, |
| unsigned sign, const float *scale) |
| { |
| unsigned v0, v1, v2, v3, nz; |
| __asm__ ("vld1.32 {d2[],d3[]},[%13,:32] \n\t" |
| "ubfx %0, %12, #0, #2 \n\t" |
| "ubfx %1, %12, #2, #2 \n\t" |
| "ldr %0, [%11,%0, lsl #2] \n\t" |
| "ubfx %2, %12, #4, #2 \n\t" |
| "ldr %1, [%11,%1, lsl #2] \n\t" |
| "ubfx %3, %12, #6, #2 \n\t" |
| "ldr %2, [%11,%2, lsl #2] \n\t" |
| "vmov d0, %0, %1 \n\t" |
| "ldr %3, [%11,%3, lsl #2] \n\t" |
| "lsr %6, %12, #12 \n\t" |
| "rbit %6, %6 \n\t" |
| "vmov d1, %2, %3 \n\t" |
| "lsls %6, %6, #1 \n\t" |
| "and %0, %5, #1<<31 \n\t" |
| "it cs \n\t" |
| "lslcs %5, %5, #1 \n\t" |
| "lsls %6, %6, #1 \n\t" |
| "and %1, %5, #1<<31 \n\t" |
| "it cs \n\t" |
| "lslcs %5, %5, #1 \n\t" |
| "lsls %6, %6, #1 \n\t" |
| "and %2, %5, #1<<31 \n\t" |
| "it cs \n\t" |
| "lslcs %5, %5, #1 \n\t" |
| "vmov d4, %0, %1 \n\t" |
| "and %3, %5, #1<<31 \n\t" |
| "vmov d5, %2, %3 \n\t" |
| "veor q0, q0, q2 \n\t" |
| "vmul.f32 q0, q0, q1 \n\t" |
| "vst1.32 {q0}, [%4,:128]! \n\t" |
| : "=&r"(v0), "=&r"(v1), "=&r"(v2), "=&r"(v3), "+r"(dst), |
| "+r"(sign), "=r"(nz), |
| "=m"(dst[0]), "=m"(dst[1]), "=m"(dst[2]), "=m"(dst[3]) |
| : "r"(v), "r"(idx), "r"(scale) |
| : "cc", "d0", "d1", "d2", "d3", "d4", "d5"); |
| return dst; |
| } |
| |
| #endif /* HAVE_NEON_INLINE */ |
| |
| #endif /* AVCODEC_ARM_AAC_H */ |
