These will be used by the decodetree trans_* functions
to early-exit when the instruction set is not enabled.
Signed-off-by: Richard Henderson <richard.hender...@linaro.org>
---
target/ppc/translate.c | 26 ++++++++++++++++++++++++++
1 file changed, 26 insertions(+)
diff --git a/target/ppc/translate.c b/target/ppc/translate.c
index 112afd02d5..cde12e9d38 100644
--- a/target/ppc/translate.c
+++ b/target/ppc/translate.c
@@ -6876,6 +6876,32 @@ static inline void set_avr64(int regno, TCGv_i64 src,
bool high)
tcg_gen_st_i64(src, cpu_env, avr64_offset(regno, high));
}
+/*
+ * Helpers for trans_* functions to check for specific insns flags.
+ * Use token pasting to ensure that we use the proper flag with the
+ * proper variable.
+ */
+#define REQUIRE_INSNS_FLAGS(CTX, NAME) \
+ do { \
+ if (((CTX)->insns_flags & PPC_##NAME) == 0) { \
+ return false; \
+ } \
+ } while (0)
+
+#define REQUIRE_INSNS_FLAGS2(CTX, NAME) \
+ do { \
+ if (((CTX)->insns_flags2 & PPC2_##NAME) == 0) { \
+ return false; \
+ } \
+ } while (0)
+
+/* Then special-case the check for 64-bit so that we elide code for ppc32. */
+#if TARGET_LONG_BITS == 32
+# define REQUIRE_64BIT(CTX) return false
+#else
+# define REQUIRE_64BIT(CTX) REQUIRE_INSNS_FLAGS(CTX, 64B)
+#endif
+
#include "translate/fp-impl.c.inc"
#include "translate/vmx-impl.c.inc"
--
2.25.1
