52 lines
1.7 KiB
ArmAsm
52 lines
1.7 KiB
ArmAsm
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/*
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* NEON type conversions
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* Copyright (C) 2012, 2013 Thomas Tsou <tom@tsou.cc>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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.syntax unified
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.text
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.align 2
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.global neon_convert_ps_si16_4n
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.type neon_convert_ps_si16_4n, %function
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neon_convert_ps_si16_4n:
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vld1.32 {q1}, [r2]
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.loop_fltint:
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vld1.64 {d0-d1}, [r1]!
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vmul.f32 q0, q1
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vcvt.s32.f32 q2, q0
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vqmovn.s32 d0, q2
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vst1.64 {d0}, [r0]!
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subs r3, #1
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bne .loop_fltint
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bx lr
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.size neon_convert_ps_si16_4n, .-neon_convert_ps_si16_4n
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.text
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.align 2
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.global neon_convert_si16_ps_4n
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.type neon_convert_si16_ps_4n, %function
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neon_convert_si16_ps_4n:
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.loop_intflt:
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vld1.64 {d0}, [r1]!
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vmovl.s16 q1, d0
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vcvt.f32.s32 q0, q1
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vst1.64 {q0}, [r0]!
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subs r2, #1
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bne .loop_intflt
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bx lr
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.size neon_convert_si16_ps_4n, .-neon_convert_si16_ps_4n
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.section .note.GNU-stack,"",%progbits
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