Vector Unary (ABS/NEG/SQR) micro-kernels
PiperOrigin-RevId: 315228488
diff --git a/src/f32-vunary/gen/vneg-avx512f-x16.c b/src/f32-vunary/gen/vneg-avx512f-x16.c
new file mode 100644
index 0000000..7606fd2
--- /dev/null
+++ b/src/f32-vunary/gen/vneg-avx512f-x16.c
@@ -0,0 +1,49 @@
+// Auto-generated file. Do not edit!
+// Template: src/f32-vunary/avx512f.c.in
+// Generator: tools/xngen
+//
+// 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.
+
+#include <assert.h>
+
+#include <immintrin.h>
+
+#include <xnnpack/common.h>
+#include <xnnpack/intrinsics-polyfill.h>
+#include <xnnpack/vunary.h>
+
+
+void xnn_f32_vneg_ukernel__avx512f_x16(
+ size_t n,
+ const float* x,
+ float* y,
+ const union xnn_f32_neg_params params[restrict XNN_MIN_ELEMENTS(1)])
+{
+ assert(n != 0);
+ assert(n % sizeof(float) == 0);
+
+ const __m512i vsign_mask = _mm512_broadcast_i32x4(_mm_load_si128((const __m128i*) params->sse.sign_mask));
+ for (; n >= 16 * sizeof(float); n -= 16 * sizeof(float)) {
+ const __m512i vx0123456789ABCDEF = _mm512_loadu_epi32(x);
+ x += 16;
+
+ const __m512i vy0123456789ABCDEF = _mm512_xor_epi32(vx0123456789ABCDEF, vsign_mask);
+
+ _mm512_storeu_epi32(y, vy0123456789ABCDEF);
+ y += 16;
+ }
+ if XNN_UNLIKELY(n != 0) {
+ assert(n >= 1 * sizeof(float));
+ assert(n <= 15 * sizeof(float));
+ // Prepare mask for valid 32-bit elements (depends on n).
+ n >>= 2 /* log2(sizeof(float)) */;
+ const __mmask16 vmask = _cvtu32_mask16((uint16_t) ((uint32_t) (UINT32_C(1) << n) - UINT32_C(1)));
+
+ const __m512i vx = _mm512_maskz_loadu_epi32(vmask, x);
+ const __m512i vy = _mm512_xor_epi32(vx, vsign_mask);
+ _mm512_mask_storeu_epi32(y, vmask, vy);
+ }
+}