regenerate three dpbf16 test cases on an AMD EPYC 9454

Also fixed an error with the test generation code overflowing its
buffers

Author: mr-c

simde/x86/avx512/storeu.h

@@ -109,6 +109,12 @@ simde_mm512_storeu_ph (void * mem_addr, simde__m512h a) {
   #define _mm512_storeu_ph(mem_addr, a) simde_mm512_storeu_ph(mem_addr, a)
 #endif
 
+SIMDE_FUNCTION_ATTRIBUTES
+void
+simde_x_mm512_storeu_bh (void * mem_addr, simde__m512bh a) {
+  simde_memcpy(mem_addr, &a, sizeof(a));
+}
+
 SIMDE_FUNCTION_ATTRIBUTES
 void
 simde_mm512_storeu_si512 (void * mem_addr, simde__m512i a) {

test/test.h

@@ -588,7 +588,7 @@ SIMDE_TEST_CODEGEN_GENERATE_RANDOM_INT_FUNC_(simde_poly64, p64)
         } \
       } \
     \
-      char buf[53]; \
+      char buf[64]; \
       simde_test_codegen_##symbol_identifier(sizeof(buf), buf, values[i]); \
       fputs(buf, SIMDE_CODEGEN_FP); \
     } \
@@ -668,7 +668,7 @@ SIMDE_TEST_CODEGEN_GENERATE_WRITE_VECTOR_FUNC_(simde_poly64, p64, 4)
     } \
  \
     { \
-      char buf[53]; \
+      char buf[64]; \
       simde_test_codegen_##symbol_identifier(sizeof(buf), buf, value); \
       fputs(buf, SIMDE_CODEGEN_FP); \
     } \