[Qemu-devel] [PATCH v1 1/6] fp-bench: fix update_random_ops

Alex Bennée posted 6 patches 5 years, 5 months ago
There is a newer version of this series
[Qemu-devel] [PATCH v1 1/6] fp-bench: fix update_random_ops
Posted by Alex Bennée 5 years, 5 months ago
From: "Emilio G. Cota" <cota@braap.org>

The second test in the branches is wrong; fix while converting
to a switch statement, which is easier to get right.

Signed-off-by: Emilio G. Cota <cota@braap.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
---
 tests/fp/fp-bench.c | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/tests/fp/fp-bench.c b/tests/fp/fp-bench.c
index f5bc5edebf..546bac9c9c 100644
--- a/tests/fp/fp-bench.c
+++ b/tests/fp/fp-bench.c
@@ -143,15 +143,20 @@ static void update_random_ops(int n_ops, enum precision prec)
     for (i = 0; i < n_ops; i++) {
         uint64_t r = random_ops[i];
 
-        if (prec == PREC_SINGLE || PREC_FLOAT32) {
+        switch (prec) {
+        case PREC_SINGLE:
+        case PREC_FLOAT32:
             do {
                 r = xorshift64star(r);
             } while (!float32_is_normal(r));
-        } else if (prec == PREC_DOUBLE || PREC_FLOAT64) {
+            break;
+        case PREC_DOUBLE:
+        case PREC_FLOAT64:
             do {
                 r = xorshift64star(r);
             } while (!float64_is_normal(r));
-        } else {
+            break;
+        default:
             g_assert_not_reached();
         }
         random_ops[i] = r;
-- 
2.17.1