On 6/6/19 12:45 PM, Peter Maydell wrote: > Add the infrastructure for building and invoking a decodetree decoder > for the AArch32 VFP encodings. At the moment the new decoder covers > nothing, so we always fall back to the existing hand-written decode. > > We need to have one decoder for the unconditional insns and one for > the conditional insns, as otherwise the patterns for conditional > insns would incorrectly match against the unconditional ones too. > > Since translate.c is over 14,000 lines long and we're going to be > touching pretty much every line of the VFP code as part of the > decodetree conversion, we create a new translate-vfp.inc.c to hold > the code which deals with VFP in the new scheme. It should be > possible to convert this into a standalone translation unit > eventually, but the conversion process will be much simpler if we > simply #include it midway through translate.c to start with. > > Signed-off-by: Peter Maydell <peter.mayd...@linaro.org> > --- > target/arm/Makefile.objs | 13 +++++++++++++ > target/arm/translate-vfp.inc.c | 31 +++++++++++++++++++++++++++++++ > target/arm/translate.c | 19 +++++++++++++++++++ > target/arm/vfp-uncond.decode | 28 ++++++++++++++++++++++++++++ > target/arm/vfp.decode | 28 ++++++++++++++++++++++++++++ > 5 files changed, 119 insertions(+) > create mode 100644 target/arm/translate-vfp.inc.c > create mode 100644 target/arm/vfp-uncond.decode > create mode 100644 target/arm/vfp.decode
Reviewed-by: Richard Henderson <richard.hender...@linaro.org> r~
