daily update on 20230804 by nitload youmu

2023-08-04 22:51:24 +08:00
parent aae7e0292c
commit b3785e35af
55 changed files with 1363 additions and 791 deletions
@@ -4,21 +4,24 @@
 #include <stdio.h>
 #include <stdint.h>
 #include <xmmintrin.h>
-
+#include <pmmintrin.h>
 __m128 __cdecl addps(__m128* ptr1, __m128* ptr2);

 int main()
 {
-    float c[4] = { 1,2,3,4 };
+    float c[4] = { 1,10,100,1000 };
    float c1[4] = { 1,2,3,4 };
    
    __m128 m = _mm_loadu_ps(&c);
-    __m128 m1 = _mm_loadu_ps(&c1);
-    
-    __m128 m3 = addps(&m,&m1);
-    
+    __m128 m1 = _mm_hadd_ps(m,m);
+    m1 = _mm_hadd_ps(m1,m1);
+
+    m1 = m;
+    m1 = _mm_shuffle_ps(m,m,0b01101100);
+
    printf("%f\t%f\t%f\t%f\t\n",
-        m3.m128_f32[0], m3.m128_f32[1], m3.m128_f32[2], m3.m128_f32[3]);
+        m1.m128_f32[0], m1.m128_f32[1], m1.m128_f32[2], m1.m128_f32[3]
+        );

 }
 __m128 addps(__m128* ptr1, __m128* ptr2)