Add more testing code

code/common.h

@@ -3,12 +3,16 @@
 
 void test();
 
+void print(const char *s, __m128i num) {
+  printf("__m128i %s: %016llx %016llx\n", s, num[0], num[1]);
+}
+
 void print(const char *s, __m128 num) {
-  printf("%s: %f %f %f %f\n", s, num[0], num[1], num[2], num[3]);
+  printf("__m128 %s: %f %f %f %f\n", s, num[0], num[1], num[2], num[3]);
 }
 
 void print(const char *s, __m128d num) {
-  printf("%s: %lf %lf\n", s, num[0], num[1]);
+  printf("__m128d %s: %lf %lf\n", s, num[0], num[1]);
 }
 
 #define PRINT(x) print(#x, x)

code/vbitsel_v.cpp

@@ -0,0 +1,11 @@
+#include "common.h"
+
+void test() {
+  __m128i a = {0x123456789ABCDEF0, 0x0FEDCBA987654321};
+  __m128i b = {0x1122334455667788, 0x1212343456567878};
+  __m128i c = {0x0FF0FFFF00000000, 0x0102040810204080};
+  PRINT(a);
+  PRINT(b);
+  PRINT(c);
+  PRINT(__lsx_vbitsel_v(a, b, c));
+}

code/vfmsub.cpp

@@ -0,0 +1,23 @@
+#include "common.h"
+
+void test() {
+  {
+    __m128 a = {1.0, 2.0, 3.0, 4.0};
+    __m128 b = {5.0, 6.0, 7.0, 8.0};
+    __m128 c = {9.0, 10.0, 11.0, 12.0};
+    PRINT(a);
+    PRINT(b);
+    PRINT(c);
+    PRINT(__lsx_vfmsub_s(a, b, c));
+  }
+
+  {
+    __m128d a = {1.0, 2.0};
+    __m128d b = {3.0, 4.0};
+    __m128d c = {5.0, 6.0};
+    PRINT(a);
+    PRINT(b);
+    PRINT(c);
+    PRINT(__lsx_vfmsub_d(a, b, c));
+  }
+}

code/vfnmadd.cpp

@@ -0,0 +1,23 @@
+#include "common.h"
+
+void test() {
+  {
+    __m128 a = {1.0, 2.0, 3.0, 4.0};
+    __m128 b = {5.0, 6.0, 7.0, 8.0};
+    __m128 c = {9.0, 10.0, 11.0, 12.0};
+    PRINT(a);
+    PRINT(b);
+    PRINT(c);
+    PRINT(__lsx_vfnmadd_s(a, b, c));
+  }
+
+  {
+    __m128d a = {1.0, 2.0};
+    __m128d b = {3.0, 4.0};
+    __m128d c = {5.0, 6.0};
+    PRINT(a);
+    PRINT(b);
+    PRINT(c);
+    PRINT(__lsx_vfnmadd_d(a, b, c));
+  }
+}

code/vfnmsub.cpp

@@ -0,0 +1,23 @@
+#include "common.h"
+
+void test() {
+  {
+    __m128 a = {1.0, 2.0, 3.0, 4.0};
+    __m128 b = {5.0, 6.0, 7.0, 8.0};
+    __m128 c = {9.0, 10.0, 11.0, 12.0};
+    PRINT(a);
+    PRINT(b);
+    PRINT(c);
+    PRINT(__lsx_vfnmsub_s(a, b, c));
+  }
+
+  {
+    __m128d a = {1.0, 2.0};
+    __m128d b = {3.0, 4.0};
+    __m128d c = {5.0, 6.0};
+    PRINT(a);
+    PRINT(b);
+    PRINT(c);
+    PRINT(__lsx_vfnmsub_d(a, b, c));
+  }
+}