(tacle#42) table-bench: adpcm_enc.c: add -fwrapv

This code relies on wrapping signed arithmetic which is undefined behavior unless -fwrapv is explicitly set.
Lithrein · Feb 22, 2024 · e8017ef · e8017ef
1 parent 6400092
commit e8017ef
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/bench/sequential/adpcm_enc/adpcm_enc.c b/bench/sequential/adpcm_enc/adpcm_enc.c
@@ -219,7 +219,8 @@ int adpcm_enc_fabs( int n )
   return f;
 }
 
-
+#pragma GCC push_options
+#pragma GCC optimize "-fwrapv"
 int adpcm_enc_sin( int rad )
 {
   int diff;
@@ -254,6 +255,7 @@ int adpcm_enc_sin( int rad )
 
   return app;
 }
+#pragma GCC pop_options
 
 
 int adpcm_enc_cos( int rad )