Cycles: Add utility functions to print ssef, ssei and sseb

Nothing special, just really handy for debugging.

intern/cycles/util/util_sseb.h

@@ -155,6 +155,12 @@ __forceinline size_t movemask( const sseb& a ) { return _mm_movemask_ps(a); }
 
 #endif
 
+ccl_device_inline void print_sseb(const char *label, const sseb &a)
+{
+	printf("%s: %df %df %df %d\n",
+	       label, a[0], a[1], a[2], a[3]);
+}
+
 CCL_NAMESPACE_END
 
 #endif

intern/cycles/util/util_ssef.h

@@ -582,6 +582,16 @@ ccl_device_inline const ssef set_sign_bit(const ssef &a)
 
 #endif
 
+ccl_device_inline void print_ssef(const char *label, const ssef &a)
+{
+	printf("%s: %.8f %.8f %.8f %.8f\n",
+	       label,
+	       (double)a[0],
+	       (double)a[1],
+	       (double)a[2],
+	       (double)a[3]);
+}
+
 CCL_NAMESPACE_END
 
 #endif

intern/cycles/util/util_ssei.h

@@ -288,6 +288,12 @@ __forceinline void store4i_nt(void* ptr, const ssei& v) {
 
 #endif
 
+ccl_device_inline void print_ssei(const char *label, const ssei &a)
+{
+	printf("%s: %df %df %df %d\n",
+	       label, a[0], a[1], a[2], a[3]);
+}
+
 CCL_NAMESPACE_END
 
 #endif