diff --git a/pkg/apple/float_to_s16_neon.S b/pkg/apple/float_to_s16_neon.S deleted file mode 100644 index 3c6e2a75ac..0000000000 --- a/pkg/apple/float_to_s16_neon.S +++ /dev/null @@ -1,56 +0,0 @@ -/* RetroArch - A frontend for libretro. - * Copyright (C) 2010-2014 - Hans-Kristian Arntzen - * - * RetroArch is free software: you can redistribute it and/or modify it under the terms - * of the GNU General Public License as published by the Free Software Found- - * ation, either version 3 of the License, or (at your option) any later version. - * - * RetroArch 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 General Public License for more details. - * - * You should have received a copy of the GNU General Public License along with RetroArch. - * If not, see . - */ -#if defined(__ARM_NEON__) - -#ifndef __MACH__ -.arm -#endif - -.align 4 -.globl audio_convert_float_s16_asm -.globl _audio_convert_float_s16_asm -# audio_convert_float_s16_asm(int16_t *out, const float *in, size_t samples) -audio_convert_float_s16_asm: -_audio_convert_float_s16_asm: - # Hacky way to get a constant of 2^15. - # ((2^4)^2)^2 * 0.5 = 2^15 - vmov.f32 q8, #16.0 - vmov.f32 q9, #0.5 - vmul.f32 q8, q8, q8 - vmul.f32 q8, q8, q8 - vmul.f32 q8, q8, q9 - -1: - # Preload here? - vld1.f32 {q0-q1}, [r1]! - - vmul.f32 q0, q0, q8 - vmul.f32 q1, q1, q8 - - vcvt.s32.f32 q0, q0 - vcvt.s32.f32 q1, q1 - - vqmovn.s32 d4, q0 - vqmovn.s32 d5, q1 - - vst1.f32 {d4-d5}, [r0]! - - # Guaranteed to get samples in multiples of 8. - subs r2, r2, #8 - bne 1b - - bx lr - -#endif