From c9826ae97e4df418eb44290a9c68983f723a21af Mon Sep 17 00:00:00 2001 From: Richard Henderson Date: Tue, 1 Jun 2021 16:35:15 -0300 Subject: target/ppc: Introduce macros to check isa extensions These will be used by the decodetree trans_* functions to early-exit when the instruction set is not enabled. Signed-off-by: Richard Henderson Signed-off-by: Matheus Ferst Message-Id: <20210601193528.2533031-2-matheus.ferst@eldorado.org.br> Signed-off-by: David Gibson --- target/ppc/translate.c | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) diff --git a/target/ppc/translate.c b/target/ppc/translate.c index e16a2721e2..11fd3342a0 100644 --- a/target/ppc/translate.c +++ b/target/ppc/translate.c @@ -7664,6 +7664,32 @@ 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" -- cgit v1.2.3