From e5484891825a4a07cc49a8768d019987a017116e Mon Sep 17 00:00:00 2001
From: AlexeyAB <alexeyab84@gmail.com>
Date: Tue, 14 Aug 2018 11:17:09 +0000
Subject: [PATCH] Fix for MSVS2017 for _mm256_extract_epi64 and _mm256_extract_epi32

---
 src/gemm.c |   26 ++++++++++++++++++++++++++
 1 files changed, 26 insertions(+), 0 deletions(-)

diff --git a/src/gemm.c b/src/gemm.c
index d233e9c..2fa0fcd 100644
--- a/src/gemm.c
+++ b/src/gemm.c
@@ -318,6 +318,7 @@
 #include <immintrin.h>
 #include <smmintrin.h>
 
+#if defined(_MSC_VER) && _MSC_VER <= 1900
 static inline __int32 _mm256_extract_epi64(__m256i a, const int index) {
     return a.m256i_i64[index];
 }
@@ -326,6 +327,8 @@
     return a.m256i_i32[index];
 }
 
+#endif
+
 static inline float _castu32_f32(uint32_t a) {
     return *((float *)&a);
 }
@@ -954,6 +957,29 @@
     }
 }
 
+void transpose_8x8_bits(unsigned char A[8], unsigned char B[8], int m, int n)
+{
+    unsigned x, y, t;
+
+    // Load the array and pack it into x and y.
+
+    x = (A[0] << 24) | (A[m] << 16) | (A[2 * m] << 8) | A[3 * m];
+    y = (A[4 * m] << 24) | (A[5 * m] << 16) | (A[6 * m] << 8) | A[7 * m];
+
+    t = (x ^ (x >> 7)) & 0x00AA00AA; x = x ^ t ^ (t << 7);
+    t = (y ^ (y >> 7)) & 0x00AA00AA; y = y ^ t ^ (t << 7);
+
+    t = (x ^ (x >> 14)) & 0x0000CCCC; x = x ^ t ^ (t << 14);
+    t = (y ^ (y >> 14)) & 0x0000CCCC; y = y ^ t ^ (t << 14);
+
+    t = (x & 0xF0F0F0F0) | ((y >> 4) & 0x0F0F0F0F);
+    y = ((x << 4) & 0xF0F0F0F0) | (y & 0x0F0F0F0F);
+    x = t;
+
+    B[0] = x >> 24; B[n] = x >> 16; B[2 * n] = x >> 8; B[3 * n] = x;
+    B[4 * n] = y >> 24; B[5 * n] = y >> 16; B[6 * n] = y >> 8; B[7 * n] = y;
+}
+
 void activate_array_cpu_custom(float *x, const int n, const ACTIVATION a)
 {
     int i = 0;

--
Gitblit v1.10.0