tests/tcg: target/mips: Add a header with test utilities

Add a header that contains test utilities. For now, it contains
only a function for checking and printing test results for bit
counting and similar MSA instructions.

Reviewed-by: Aleksandar Rikalo <arikalo@wavecomp.com>
Signed-off-by: Aleksandar Markovic <amarkovic@wavecomp.com>

1 files changed, 78 insertions, 0 deletions

diff --git a/tests/tcg/mips/include/test_utils.h b/tests/tcg/mips/include/test_utils.h
new file mode 100644
index 0000000000..82f4b5b1ef
--- /dev/null
+++ b/tests/tcg/mips/include/test_utils.h
@@ -0,0 +1,78 @@
+/*
+ *  Header file for test utilities
+ *
+ *  Copyright (C) 2018  Wave Computing, Inc.
+ *  Copyright (C) 2018  Aleksandar Markovic <amarkovic@wavecomp.com>
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+
+#ifndef TEST_UTILS_H
+#define TEST_UTILS_H
+
+#include <stdio.h>
+#include <stdint.h>
+#include <inttypes.h>
+#include <string.h>
+
+#define PRINT_RESULTS 1
+
+
+static inline int32_t check_results(char *instruction_name,
+                                    uint32_t test_count,
+                                    double elapsed_time,
+                                    uint64_t *b128_result,
+                                    uint64_t *b128_expect)
+{
+#if PRINT_RESULTS
+    uint32_t ii;
+    printf("\n");
+    for (ii = 0; ii < test_count; ii++) {
+        uint64_t a, b;
+        memcpy(&a, (b128_result + 2 * ii), 8);
+        memcpy(&b, (b128_result + 2 * ii + 1), 8);
+        if (ii % 8 != 0) {
+            printf("        { 0x%016llxULL, 0x%016llxULL, },\n", a, b);
+        } else {
+            printf("        { 0x%016llxULL, 0x%016llxULL, },    /* %3d  */\n",
+                   a, b, ii);
+        }
+    }
+    printf("\n");
+#endif
+    uint32_t i;
+    uint32_t pass_count = 0;
+    uint32_t fail_count = 0;
+
+    printf("%s:   ", instruction_name);
+    for (i = 0; i < test_count; i++) {
+        if (b128_result[i] == b128_expect[i]) {
+            pass_count++;
+        } else {
+            fail_count++;
+        }
+    }
+
+    printf("PASS: %3d   FAIL: %3d   elapsed time: %5.2f ms\n",
+           pass_count, fail_count, elapsed_time);
+
+    if (fail_count > 0) {
+        return -1;
+    } else {
+        return 0;
+    }
+}
+
+#endif