target/ppc: Set OV32 when OV is set

According to PowerISA: "OV32 is set whenever OV is implicitly set, and
is set to the same value that OV is defined to be set to in 32-bit
mode".

This patch changes helper_update_ov_legacy to set/clear ov32 when
applicable.

Signed-off-by: Víctor Colombo <victor.colombo@eldorado.org.br>
Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Message-Id: <20220906125523.38765-7-victor.colombo@eldorado.org.br>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>

diff --git a/target/ppc/int_helper.c b/target/ppc/int_helper.c
index d905f07d02737b96412a777bf9a9f509cd3c3f81..696096100b25a521867a8c5342b49c94ed1b5017 100644 (file)
--- a/target/ppc/int_helper.c
+++ b/target/ppc/int_helper.c
@@ -37,9 +37,9 @@
 static inline void helper_update_ov_legacy(CPUPPCState *env, int ov)
 {
     if (unlikely(ov)) {
-        env->so = env->ov = 1;
+        env->so = env->ov = env->ov32 = 1;
     } else {
-        env->ov = 0;
+        env->ov = env->ov32 = 0;
     }
 }