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ojph_codestream_sse2.cpp
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//***************************************************************************/
// This software is released under the 2-Clause BSD license, included
// below.
//
// Copyright (c) 2022, Aous Naman
// Copyright (c) 2022, Kakadu Software Pty Ltd, Australia
// Copyright (c) 2022, The University of New South Wales, Australia
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// 1. Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
// IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
// TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
// PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
// TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
// LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//***************************************************************************/
// This file is part of the OpenJPH software implementation.
// File: ojph_codestream_sse2.cpp
// Author: Aous Naman
// Date: 15 May 2022
//***************************************************************************/
#include "ojph_arch.h"
#if defined(OJPH_ARCH_I386) || defined(OJPH_ARCH_X86_64)
#include <climits>
#include <immintrin.h>
#include "ojph_defs.h"
namespace ojph {
namespace local {
ui32 sse2_find_max_val32(ui32* address)
{
__m128i x1, x0 = _mm_loadu_si128((__m128i*)address);
x1 = _mm_shuffle_epi32(x0, 0xEE); // x1 = x0[2,3,2,3]
x0 = _mm_or_si128(x0, x1);
x1 = _mm_shuffle_epi32(x0, 0x55); // x1 = x0[1,1,1,1]
x0 = _mm_or_si128(x0, x1);
_mm_storeu_si128((__m128i*)address, x0);
return *address;
// A single movd t, xmm0 can do the trick, but it is not available
// in SSE2 intrinsics. extract_epi32 is available in sse4.1
// ui32 t = (ui32)_mm_extract_epi16(x0, 0);
// t |= (ui32)_mm_extract_epi16(x0, 1) << 16;
// return t;
}
ui64 sse2_find_max_val64(ui64* address)
{
__m128i x1, x0 = _mm_loadu_si128((__m128i*)address);
x1 = _mm_shuffle_epi32(x0, 0xEE); // x1 = x0[2,3,2,3]
x0 = _mm_or_si128(x0, x1);
_mm_storeu_si128((__m128i*)address, x0);
return *address;
// A single movd t, xmm0 can do the trick, but it is not available
// in SSE2 intrinsics. extract_epi32 is available in sse4.1
// ui32 t = (ui32)_mm_extract_epi16(x0, 0);
// t |= (ui32)_mm_extract_epi16(x0, 1) << 16;
// return t;
}
void sse2_rev_tx_to_cb32(const void *sp, ui32 *dp, ui32 K_max,
float delta_inv, ui32 count, ui32* max_val)
{
ojph_unused(delta_inv);
// convert to sign and magnitude and keep max_val
ui32 shift = 31 - K_max;
__m128i m0 = _mm_set1_epi32(INT_MIN);
__m128i zero = _mm_setzero_si128();
__m128i one = _mm_set1_epi32(1);
__m128i tmax = _mm_loadu_si128((__m128i*)max_val);
__m128i *p = (__m128i*)sp;
for ( ; count >= 4; count -= 4, p += 1, dp += 4)
{
__m128i v = _mm_loadu_si128(p);
__m128i sign = _mm_cmplt_epi32(v, zero);
__m128i val = _mm_xor_si128(v, sign); // negate 1's complement
__m128i ones = _mm_and_si128(sign, one);
val = _mm_add_epi32(val, ones); // 2's complement
sign = _mm_and_si128(sign, m0);
val = _mm_slli_epi32(val, (int)shift);
tmax = _mm_or_si128(tmax, val);
val = _mm_or_si128(val, sign);
_mm_storeu_si128((__m128i*)dp, val);
}
if (count)
{
__m128i v = _mm_loadu_si128(p);
__m128i sign = _mm_cmplt_epi32(v, zero);
__m128i val = _mm_xor_si128(v, sign); // negate 1's complement
__m128i ones = _mm_and_si128(sign, one);
val = _mm_add_epi32(val, ones); // 2's complement
sign = _mm_and_si128(sign, m0);
val = _mm_slli_epi32(val, (int)shift);
__m128i c = _mm_set1_epi32((si32)count);
__m128i idx = _mm_set_epi32(3, 2, 1, 0);
__m128i mask = _mm_cmpgt_epi32(c, idx);
c = _mm_and_si128(val, mask);
tmax = _mm_or_si128(tmax, c);
val = _mm_or_si128(val, sign);
_mm_storeu_si128((__m128i*)dp, val);
}
_mm_storeu_si128((__m128i*)max_val, tmax);
}
void sse2_irv_tx_to_cb32(const void *sp, ui32 *dp, ui32 K_max,
float delta_inv, ui32 count, ui32* max_val)
{
ojph_unused(K_max);
//quantize and convert to sign and magnitude and keep max_val
__m128 d = _mm_set1_ps(delta_inv);
__m128i zero = _mm_setzero_si128();
__m128i one = _mm_set1_epi32(1);
__m128i tmax = _mm_loadu_si128((__m128i*)max_val);
float *p = (float*)sp;
for ( ; count >= 4; count -= 4, p += 4, dp += 4)
{
__m128 vf = _mm_loadu_ps(p);
vf = _mm_mul_ps(vf, d); // multiply
__m128i val = _mm_cvtps_epi32(vf); // convert to int
__m128i sign = _mm_cmplt_epi32(val, zero); // get sign
val = _mm_xor_si128(val, sign); // negate 1's complement
__m128i ones = _mm_and_si128(sign, one);
val = _mm_add_epi32(val, ones); // 2's complement
tmax = _mm_or_si128(tmax, val);
sign = _mm_slli_epi32(sign, 31);
val = _mm_or_si128(val, sign);
_mm_storeu_si128((__m128i*)dp, val);
}
if (count)
{
__m128 vf = _mm_loadu_ps(p);
vf = _mm_mul_ps(vf, d); // multiply
__m128i val = _mm_cvtps_epi32(vf); // convert to int
__m128i sign = _mm_cmplt_epi32(val, zero); // get sign
val = _mm_xor_si128(val, sign); // negate 1's complement
__m128i ones = _mm_and_si128(sign, one);
val = _mm_add_epi32(val, ones); // 2's complement
__m128i c = _mm_set1_epi32((si32)count);
__m128i idx = _mm_set_epi32(3, 2, 1, 0);
__m128i mask = _mm_cmpgt_epi32(c, idx);
c = _mm_and_si128(val, mask);
tmax = _mm_or_si128(tmax, c);
sign = _mm_slli_epi32(sign, 31);
val = _mm_or_si128(val, sign);
_mm_storeu_si128((__m128i*)dp, val);
}
_mm_storeu_si128((__m128i*)max_val, tmax);
}
void sse2_rev_tx_from_cb32(const ui32 *sp, void *dp, ui32 K_max,
float delta, ui32 count)
{
ojph_unused(delta);
ui32 shift = 31 - K_max;
__m128i m1 = _mm_set1_epi32(INT_MAX);
__m128i zero = _mm_setzero_si128();
__m128i one = _mm_set1_epi32(1);
si32 *p = (si32*)dp;
for (ui32 i = 0; i < count; i += 4, sp += 4, p += 4)
{
__m128i v = _mm_load_si128((__m128i*)sp);
__m128i val = _mm_and_si128(v, m1);
val = _mm_srli_epi32(val, (int)shift);
__m128i sign = _mm_cmplt_epi32(v, zero);
val = _mm_xor_si128(val, sign); // negate 1's complement
__m128i ones = _mm_and_si128(sign, one);
val = _mm_add_epi32(val, ones); // 2's complement
_mm_storeu_si128((__m128i*)p, val);
}
}
void sse2_irv_tx_from_cb32(const ui32 *sp, void *dp, ui32 K_max,
float delta, ui32 count)
{
ojph_unused(K_max);
__m128i m1 = _mm_set1_epi32(INT_MAX);
__m128 d = _mm_set1_ps(delta);
float *p = (float*)dp;
for (ui32 i = 0; i < count; i += 4, sp += 4, p += 4)
{
__m128i v = _mm_load_si128((__m128i*)sp);
__m128i vali = _mm_and_si128(v, m1);
__m128 valf = _mm_cvtepi32_ps(vali);
valf = _mm_mul_ps(valf, d);
__m128i sign = _mm_andnot_si128(m1, v);
valf = _mm_or_ps(valf, _mm_castsi128_ps(sign));
_mm_storeu_ps(p, valf);
}
}
void sse2_rev_tx_to_cb64(const void *sp, ui64 *dp, ui32 K_max,
float delta_inv, ui32 count, ui64* max_val)
{
ojph_unused(delta_inv);
// convert to sign and magnitude and keep max_val
ui32 shift = 63 - K_max;
__m128i m0 = _mm_set1_epi64x(LLONG_MIN);
__m128i zero = _mm_setzero_si128();
__m128i one = _mm_set1_epi64x(1);
__m128i tmax = _mm_loadu_si128((__m128i*)max_val);
__m128i *p = (__m128i*)sp;
for ( ; count >= 2; count -= 2, p += 1, dp += 2)
{
__m128i v = _mm_loadu_si128(p);
__m128i sign = _mm_cmplt_epi32(v, zero);
sign = _mm_shuffle_epi32(sign, 0xF5); // sign = sign[1,1,3,3];
__m128i val = _mm_xor_si128(v, sign); // negate 1's complement
__m128i ones = _mm_and_si128(sign, one);
val = _mm_add_epi64(val, ones); // 2's complement
sign = _mm_and_si128(sign, m0);
val = _mm_slli_epi64(val, (int)shift);
tmax = _mm_or_si128(tmax, val);
val = _mm_or_si128(val, sign);
_mm_storeu_si128((__m128i*)dp, val);
}
if (count)
{
__m128i v = _mm_loadu_si128(p);
__m128i sign = _mm_cmplt_epi32(v, zero);
sign = _mm_shuffle_epi32(sign, 0xF5); // sign = sign[1,1,3,3];
__m128i val = _mm_xor_si128(v, sign); // negate 1's complement
__m128i ones = _mm_and_si128(sign, one);
val = _mm_add_epi64(val, ones); // 2's complement
sign = _mm_and_si128(sign, m0);
val = _mm_slli_epi64(val, (int)shift);
__m128i c = _mm_set_epi32(0, 0, (si32)0xFFFFFFFF, (si32)0xFFFFFFFF);
c = _mm_and_si128(val, c);
tmax = _mm_or_si128(tmax, c);
val = _mm_or_si128(val, sign);
_mm_storeu_si128((__m128i*)dp, val);
}
_mm_storeu_si128((__m128i*)max_val, tmax);
}
void sse2_rev_tx_from_cb64(const ui64 *sp, void *dp, ui32 K_max,
float delta, ui32 count)
{
ojph_unused(delta);
ui32 shift = 63 - K_max;
__m128i m1 = _mm_set1_epi64x(LLONG_MAX);
__m128i zero = _mm_setzero_si128();
__m128i one = _mm_set1_epi64x(1);
si64 *p = (si64*)dp;
for (ui32 i = 0; i < count; i += 2, sp += 2, p += 2)
{
__m128i v = _mm_load_si128((__m128i*)sp);
__m128i val = _mm_and_si128(v, m1);
val = _mm_srli_epi64(val, (int)shift);
__m128i sign = _mm_cmplt_epi32(v, zero);
sign = _mm_shuffle_epi32(sign, 0xF5); // sign = sign[1,1,3,3];
val = _mm_xor_si128(val, sign); // negate 1's complement
__m128i ones = _mm_and_si128(sign, one);
val = _mm_add_epi64(val, ones); // 2's complement
_mm_storeu_si128((__m128i*)p, val);
}
}
}
}
#endif
ojph::local
Definition ojph_bitbuffer_read.h:52
ojph::local::sse2_rev_tx_from_cb32
void sse2_rev_tx_from_cb32(const ui32 *sp, void *dp, ui32 K_max, float delta, ui32 count)
ojph::local::sse2_find_max_val32
ui32 sse2_find_max_val32(ui32 *address)
ojph::local::sse2_find_max_val64
ui64 sse2_find_max_val64(ui64 *address)
ojph::local::sse2_rev_tx_to_cb32
void sse2_rev_tx_to_cb32(const void *sp, ui32 *dp, ui32 K_max, float delta_inv, ui32 count, ui32 *max_val)
ojph::local::sse2_rev_tx_to_cb64
void sse2_rev_tx_to_cb64(const void *sp, ui64 *dp, ui32 K_max, float delta_inv, ui32 count, ui64 *max_val)
ojph::local::sse2_irv_tx_from_cb32
void sse2_irv_tx_from_cb32(const ui32 *sp, void *dp, ui32 K_max, float delta, ui32 count)
ojph::local::sse2_rev_tx_from_cb64
void sse2_rev_tx_from_cb64(const ui64 *sp, void *dp, ui32 K_max, float delta, ui32 count)
ojph::local::sse2_irv_tx_to_cb32
void sse2_irv_tx_to_cb32(const void *sp, ui32 *dp, ui32 K_max, float delta_inv, ui32 count, ui32 *max_val)
ojph
Definition ojph_img_io.h:52
ojph::si64
int64_t si64
Definition ojph_defs.h:57
ojph::ui64
uint64_t ui64
Definition ojph_defs.h:56
ojph::si32
int32_t si32
Definition ojph_defs.h:55
ojph::ui32
uint32_t ui32
Definition ojph_defs.h:54
ojph_arch.h
ojph_defs.h
ojph_unused
#define ojph_unused(x)
Definition ojph_defs.h:78