blob: 1ac3d314413475be92ef72f149e1145016a4c5c7 [file] [log] [blame]
// Copyright 2020 Google LLC
//
// This source code is licensed under the BSD-style license found in the
// LICENSE file in the root directory of this source tree.
$assert BATCH_TILE % 4 == 0
$assert BATCH_TILE >= 4
$ABC = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ"
#include <assert.h>
#include <emmintrin.h>
#include <xnnpack/common.h>
#include <xnnpack/math.h>
#include <xnnpack/vunary.h>
void xnn_f32_vrndu_ukernel__sse2_x${BATCH_TILE}(
size_t n,
const float* x,
float* y,
const union xnn_f32_rnd_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_DISABLE_TSAN
{
assert(n != 0);
assert(n % sizeof(float) == 0);
const __m128i vmagic = _mm_load_si128((const __m128i*) params->sse2.sign_mask);
const __m128 vone = _mm_load_ps(params->sse2.one);
for (; n >= ${BATCH_TILE} * sizeof(float); n -= ${BATCH_TILE} * sizeof(float)) {
const __m128 vx${ABC[0:4]} = _mm_loadu_ps(x);
$for N in range(4, BATCH_TILE, 4):
const __m128 vx${ABC[N:N+4]} = _mm_loadu_ps(x + ${N});
x += ${BATCH_TILE};
$for N in range(0, BATCH_TILE, 4):
const __m128i vintx${ABC[N:N+4]} = _mm_cvttps_epi32(vx${ABC[N:N+4]});
$for N in range(0, BATCH_TILE, 4):
const __m128 vrndmask${ABC[N:N+4]} = _mm_castsi128_ps(_mm_or_si128(vmagic, _mm_cmpeq_epi32(vintx${ABC[N:N+4]}, vmagic)));
$for N in range(0, BATCH_TILE, 4):
const __m128 vprerndx${ABC[N:N+4]} = _mm_cvtepi32_ps(vintx${ABC[N:N+4]});
$for N in range(0, BATCH_TILE, 4):
const __m128 vrndx${ABC[N:N+4]} = _mm_or_ps(_mm_and_ps(vx${ABC[N:N+4]}, vrndmask${ABC[N:N+4]}), _mm_andnot_ps(vrndmask${ABC[N:N+4]}, vprerndx${ABC[N:N+4]}));
$for N in range(0, BATCH_TILE, 4):
const __m128 vadjmask${ABC[N:N+4]} = _mm_or_ps(_mm_cmpge_ps(vrndx${ABC[N:N+4]}, vx${ABC[N:N+4]}), _mm_castsi128_ps(vmagic));
$for N in range(0, BATCH_TILE, 4):
const __m128 vadjrndx${ABC[N:N+4]} = _mm_add_ps(vrndx${ABC[N:N+4]}, vone);
$for N in range(0, BATCH_TILE, 4):
const __m128 vy${ABC[N:N+4]} = _mm_or_ps(_mm_and_ps(vrndx${ABC[N:N+4]}, vadjmask${ABC[N:N+4]}), _mm_andnot_ps(vadjmask${ABC[N:N+4]}, vadjrndx${ABC[N:N+4]}));
_mm_storeu_ps(y, vy${ABC[0:4]});
$for N in range(4, BATCH_TILE, 4):
_mm_storeu_ps(y + ${N}, vy${ABC[N:N+4]});
y += ${BATCH_TILE};
}
$if BATCH_TILE > 4:
for (; n >= 4 * sizeof(float); n -= 4 * sizeof(float)) {
const __m128 vx = _mm_loadu_ps(x);
x += 4;
const __m128i vintx = _mm_cvttps_epi32(vx);
const __m128 vrndmask = _mm_castsi128_ps(_mm_or_si128(vmagic, _mm_cmpeq_epi32(vintx, vmagic)));
const __m128 vprerndx = _mm_cvtepi32_ps(vintx);
const __m128 vrndx = _mm_or_ps(_mm_and_ps(vx, vrndmask), _mm_andnot_ps(vrndmask, vprerndx));
const __m128 vadjmask = _mm_or_ps(_mm_cmpge_ps(vrndx, vx), _mm_castsi128_ps(vmagic));
const __m128 vadjrndx = _mm_add_ps(vrndx, vone);
const __m128 vy = _mm_or_ps(_mm_and_ps(vrndx, vadjmask), _mm_andnot_ps(vadjmask, vadjrndx));
_mm_storeu_ps(y, vy);
y += 4;
}
if XNN_UNLIKELY(n != 0) {
const __m128 vx = _mm_loadu_ps(x);
const __m128i vintx = _mm_cvttps_epi32(vx);
const __m128 vrndmask = _mm_castsi128_ps(_mm_or_si128(vmagic, _mm_cmpeq_epi32(vintx, vmagic)));
const __m128 vprerndx = _mm_cvtepi32_ps(vintx);
const __m128 vrndx = _mm_or_ps(_mm_and_ps(vx, vrndmask), _mm_andnot_ps(vrndmask, vprerndx));
const __m128 vadjmask = _mm_or_ps(_mm_cmpge_ps(vrndx, vx), _mm_castsi128_ps(vmagic));
const __m128 vadjrndx = _mm_add_ps(vrndx, vone);
__m128 vy = _mm_or_ps(_mm_and_ps(vrndx, vadjmask), _mm_andnot_ps(vadjmask, vadjrndx));
if (n & (2 * sizeof(float))) {
_mm_storel_pi((__m64*) y, vy);
vy = _mm_movehl_ps(vy, vy);
y += 2;
}
if (n & (1 * sizeof(float))) {
_mm_store_ss(y, vy);
}
}
}