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[Qemu-devel] [PATCH for 4.2 v4 5/6] tests/tcg: target/mips: Add optional


From: Aleksandar Markovic
Subject: [Qemu-devel] [PATCH for 4.2 v4 5/6] tests/tcg: target/mips: Add optional printing of more detailed failure info
Date: Tue, 30 Jul 2019 21:27:11 +0200

From: Aleksandar Markovic <address@hidden>

There is a need for printing input and output data for failure cases,
for debugging purpose. This is achieved by this patch, and only if a
preprocessor constant is manually set to 1. (Assumption is that the
need for such printout is relatively rare.)

Signed-off-by: Aleksandar Markovic <address@hidden>
---
 tests/tcg/mips/include/test_utils_128.h | 23 ++++++++++++++++++++++-
 1 file changed, 22 insertions(+), 1 deletion(-)

diff --git a/tests/tcg/mips/include/test_utils_128.h 
b/tests/tcg/mips/include/test_utils_128.h
index 2fea610..0dd3868 100644
--- a/tests/tcg/mips/include/test_utils_128.h
+++ b/tests/tcg/mips/include/test_utils_128.h
@@ -27,7 +27,8 @@
 #include <inttypes.h>
 #include <string.h>
 
-#define PRINT_RESULTS 0
+#define PRINT_RESULTS    0
+#define PRINT_FAILURES   0
 
 
 static inline int32_t check_results_128(const char *isa_ase_name,
@@ -65,6 +66,26 @@ static inline int32_t check_results_128(const char 
*isa_ase_name,
             (b128_result[2 * i + 1] == b128_expect[2 * i + 1])) {
             pass_count++;
         } else {
+#if PRINT_FAILURES
+            uint32_t ii;
+            uint64_t a, b;
+
+            printf("\n");
+
+            printf("FAILURE for test case %d!\n", i);
+
+            memcpy(&a, (b128_expect + 2 * i), 8);
+            memcpy(&b, (b128_expect + 2 * i + 1), 8);
+            printf("Expected result : { 0x%016llxULL, 0x%016llxULL, },\n",
+                   a, b);
+
+            memcpy(&a, (b128_result + 2 * i), 8);
+            memcpy(&b, (b128_result + 2 * i + 1), 8);
+            printf("Actual result   : { 0x%016llxULL, 0x%016llxULL, },\n",
+                   a, b);
+
+            printf("\n");
+#endif
             fail_count++;
         }
     }
-- 
2.7.4




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