On Tue, Oct 18, 2011 at 6:50 PM, Richard Henderson <r...@twiddle.net> wrote:
> This started out to be simply flushing out the VIS2 instruction set.
> But when I got a look a the DT0/1 "calling convention" I choked, and
> thought we could really do better than that.
>
> The end result (op_opt,out_asm) looks significantly cleaner for a
> 64-bit host. It looks about the same for a 32-bit host.
>
> I've been testing this vs the gcc testsuite, both for its generic
> ieee test cases, and the vectorization tests w/ -mvis2.
Excellent patch series.
> Watch out for the last patch. It was an attempt to get rid of the
> hundreds of tls failures in the gcc testsuite by supporting NPTL.
> Except the clone syscall crashes, and seems to be crashing at a point
> where it's difficult to see what's going wrong. That patch is
> present here for discussion only.
There is something fishy with Sparc fork() (spork?), I also tried to
fix that in the past several times. Maybe fork() was actually
implemented as vfork()?
> All of this is relative to blueswirl's sparc tree. Which I think
> should go in as a most excellent cleanup of target-sparc. I've
> pushed the tree to
>
> git://repo.or.cz/qemu/rth.git rth/vis
Thanks. Unfortunately I'm not sure I'll be able to fix and push my
series before the freeze, because other than x86_64, none of the TCG
targets implement AREG0 free mode.
>
> r~
>
>
> Richard Henderson (21):
> target-sparc: Add accessors for single-precision fpr access.
> target-sparc: Mark fprs dirty in store accessor.
> target-sparc: Add accessors for double-precision fpr access.
> target-sparc: Pass float64 parameters instead of dt0/1 temporaries.
> target-sparc: Make VIS helpers const when possible.
> target-sparc: Extract common code for floating-point operations.
> target-sparc: Extract float128 move to a function.
> target-sparc: Undo cpu_fpr rename.
> target-sparc: Change fpr representation to doubles.
> tcg: Optimize some forms of deposit.
> target-sparc: Do exceptions management fully inside the helpers.
> sparc-linux-user: Handle SIGILL.
> target-sparc: Implement PDIST.
> target-sparc: Implement fpack{16,32,fix}.
> target-sparc: Implement EDGE* instructions.
> target-sparc: Implement ALIGNADDR* inline.
> target-sparc: Implement BMASK/BSHUFFLE.
> target-sparc: Tidy fpack32.
> target-sparc: Implement FALIGNDATA inline.
> sparc-linux-user: Add some missing syscall numbers
> sparc-linux-user: Enable NPTL
>
> configure | 3 +
> gdbstub.c | 35 +-
> linux-user/main.c | 9 +
> linux-user/signal.c | 28 +-
> linux-user/sparc/syscall_nr.h | 3 +
> linux-user/syscall.c | 12 +-
> monitor.c | 96 ++--
> target-sparc/cpu.h | 38 +-
> target-sparc/cpu_init.c | 6 +-
> target-sparc/fop_helper.c | 294 ++++++---
> target-sparc/helper.h | 120 ++--
> target-sparc/ldst_helper.c | 123 +---
> target-sparc/machine.c | 20 +-
> target-sparc/translate.c | 1461
> ++++++++++++++++++++++++-----------------
> target-sparc/vis_helper.c | 251 +++++---
> tcg/tcg-op.h | 65 ++-
> 16 files changed, 1503 insertions(+), 1061 deletions(-)
>
> --
> 1.7.6.4
>
>
