[PATCH v2 15/15] target/ppc: Check cpu flags for prefixed insn support

[Luis Pires]

Prefixed instructions were introduced in Power ISA 3.1

Signed-off-by: Luis Pires <luis.pires@eldorado.org.br>
---
 target/ppc/translate.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/target/ppc/translate.c b/target/ppc/translate.c
index 7422ea4e13..f4802a4f08 100644
--- a/target/ppc/translate.c
+++ b/target/ppc/translate.c
@@ -7837,7 +7837,11 @@ static bool ppc_tr_breakpoint_check(DisasContextBase 
*dcbase, CPUState *cs,
 
 static bool is_prefix_insn(DisasContext *ctx, uint32_t insn)
 {
-    /* TODO: Check ctx->insns_flags* for whether prefixes are supported. */
+    if (!(ctx->insns_flags2 & PPC2_ISA310)) {
+        /* Prefixed instructions are not supported */
+        return false;
+    }
+
     return opc1(insn) == 1;
 }
 
-- 
2.25.1