Hi, ping for code review? :) Due to the "Simplify ISA definitions" https://www.mail-archive.com/qemu-devel@xxxxxxxxxx/msg770056.html patch #3 is not necessary. This is the last patch unreviewed. On 12/15/20 11:57 PM, Philippe Mathieu-Daudé wrote: > To allow compiling 64-bit specific translation code more > generically (and removing #ifdef'ry), allow compiling > check_mips_64() on 32-bit targets. > If ever called on 32-bit, we obviously emit a reserved > instruction exception. > > Signed-off-by: Philippe Mathieu-Daudé <f4bug@xxxxxxxxx> > --- > target/mips/translate.h | 2 -- > target/mips/translate.c | 8 +++----- > 2 files changed, 3 insertions(+), 7 deletions(-) > > diff --git a/target/mips/translate.h b/target/mips/translate.h > index a9eab69249f..942d803476c 100644 > --- a/target/mips/translate.h > +++ b/target/mips/translate.h > @@ -127,9 +127,7 @@ void generate_exception_err(DisasContext *ctx, int excp, int err); > void generate_exception_end(DisasContext *ctx, int excp); > void gen_reserved_instruction(DisasContext *ctx); > void check_insn(DisasContext *ctx, uint64_t flags); > -#ifdef TARGET_MIPS64 > void check_mips_64(DisasContext *ctx); > -#endif > void check_cp1_enabled(DisasContext *ctx); > > void gen_base_offset_addr(DisasContext *ctx, TCGv addr, int base, int offset); > diff --git a/target/mips/translate.c b/target/mips/translate.c > index 5c62b32c6ae..af543d1f375 100644 > --- a/target/mips/translate.c > +++ b/target/mips/translate.c > @@ -2972,18 +2972,16 @@ static inline void check_ps(DisasContext *ctx) > check_cp1_64bitmode(ctx); > } > > -#ifdef TARGET_MIPS64 > /* > - * This code generates a "reserved instruction" exception if 64-bit > - * instructions are not enabled. > + * This code generates a "reserved instruction" exception if cpu is not > + * 64-bit or 64-bit instructions are not enabled. > */ > void check_mips_64(DisasContext *ctx) > { > - if (unlikely(!(ctx->hflags & MIPS_HFLAG_64))) { > + if (unlikely((TARGET_LONG_BITS != 64) || !(ctx->hflags & MIPS_HFLAG_64))) { Since TARGET_LONG_BITS is known at build time, this can be simplified as: if ((TARGET_LONG_BITS != 64) || unlikely!(ctx->hflags & MIPS_HFLAG_64))) > gen_reserved_instruction(ctx); > } > } > -#endif > > #ifndef CONFIG_USER_ONLY > static inline void check_mvh(DisasContext *ctx) >