Re: [PATCH v3 00/16] tcg/mips: Unaligned access and other cleanup

[Huacai Chen]

Hi, Jiaxun,

I'm not familiar with TCG, please review, thanks.

Huacai

On Thu, Aug 19, 2021 at 6:09 AM Philippe Mathieu-Daudé <f4bug@amsat.org> wrote:
>
> Sorry, use Huacai's newer email .
>
> On Thu, Aug 19, 2021 at 12:07 AM Philippe Mathieu-Daudé <f4bug@amsat.org> 
> wrote:
> >
> > Cc'ing Jiaxun & Huacai.
> >
> > On 8/18/21 10:19 PM, Richard Henderson wrote:
> > > Based-on: <20210818191920.390759-1-richard.henderson@linaro.org>
> > > ("[PATCH v3 00/66] Unaligned access for user-only")
> > >
> > > Important points:
> > >   * Support unaligned accesses.
> > >   * Drop requirement for 256MB alignment of code_gen_buffer.
> > >   * Improvements to tcg_out_movi:
> > >     - Have a tb-relative register for mips64, reducing the
> > >       code size for most pointers,
> > >     - Try a few 3-insn sequences,
> > >     - Drop everything else into a constant pool.
> > >
> > >
> > > r~
> > >
> > >
> > > Richard Henderson (16):
> > >   tcg/mips: Support unaligned access for user-only
> > >   tcg/mips: Support unaligned access for softmmu
> > >   tcg/mips: Drop inline markers
> > >   tcg/mips: Move TCG_AREG0 to S8
> > >   tcg/mips: Move TCG_GUEST_BASE_REG to S7
> > >   tcg/mips: Unify TCG_GUEST_BASE_REG tests
> > >   tcg/mips: Allow JAL to be out of range in tcg_out_bswap_subr
> > >   tcg/mips: Unset TCG_TARGET_HAS_direct_jump
> > >   tcg/mips: Drop special alignment for code_gen_buffer
> > >   tcg/mips: Create and use TCG_REG_TB
> > >   tcg/mips: Split out tcg_out_movi_one
> > >   tcg/mips: Split out tcg_out_movi_two
> > >   tcg/mips: Use the constant pool for 64-bit constants
> > >   tcg/mips: Aggressively use the constant pool for n64 calls
> > >   tcg/mips: Try tb-relative addresses in tcg_out_movi
> > >   tcg/mips: Try three insns with shift and add in tcg_out_movi
> > >
> > >  tcg/mips/tcg-target.h     |  17 +-
> > >  tcg/region.c              |  91 -----
> > >  tcg/mips/tcg-target.c.inc | 730 +++++++++++++++++++++++++++++++-------
> > >  3 files changed, 604 insertions(+), 234 deletions(-)
> > >
> >