On 23.05.19 00:28, Richard Henderson wrote:
> The following changes since commit a4f667b6714916683408b983cfe0a615a725775f:
>
> Merge remote-tracking branch 'remotes/cohuck/tags/s390x-20190521-3' into
> staging (2019-05-21 16:30:13 +0100)
>
> are available in the Git repository at:
>
> https://github.com/rth7680/qemu.git tags/pull-tcg-20190522
>
> for you to fetch changes up to 11e2bfef799024be4a08fcf6797fe0b22fb16b58:
>
> tcg/i386: Use MOVDQA for TCG_TYPE_V128 load/store (2019-05-22 15:09:43
> -0400)
>
> ----------------------------------------------------------------
> Misc gvec improvements
>
> ----------------------------------------------------------------
> Richard Henderson (16):
> tcg/i386: Fix dupi/dupm for avx1 and 32-bit hosts
> tcg: Fix missing checks and clears in tcg_gen_gvec_dup_mem
> tcg: Add support for vector bitwise select
> tcg: Add support for vector compare select
> tcg: Introduce do_op3_nofail for vector expansion
> tcg: Expand vector minmax using cmp+cmpsel
> tcg: Add TCG_OPF_NOT_PRESENT if TCG_TARGET_HAS_foo is negative
> tcg/i386: Support vector comparison select value
> tcg/i386: Remove expansion for missing minmax
> tcg/i386: Use umin/umax in expanding unsigned compare
> tcg/aarch64: Support vector bitwise select value
> tcg/aarch64: Split up is_fimm
> tcg/aarch64: Use MVNI in tcg_out_dupi_vec
> tcg/aarch64: Build vector immediates with two insns
> tcg/aarch64: Allow immediates for vector ORR and BIC
> tcg/i386: Use MOVDQA for TCG_TYPE_V128 load/store
>
> accel/tcg/tcg-runtime.h | 2 +
> tcg/aarch64/tcg-target.h | 2 +
> tcg/i386/tcg-target.h | 2 +
> tcg/tcg-op-gvec.h | 7 +
> tcg/tcg-op.h | 5 +
> tcg/tcg-opc.h | 5 +-
> tcg/tcg.h | 2 +
> accel/tcg/tcg-runtime-gvec.c | 14 ++
> tcg/aarch64/tcg-target.inc.c | 371
> ++++++++++++++++++++++++++++++++-----------
> tcg/i386/tcg-target.inc.c | 169 +++++++++++++-------
> tcg/tcg-op-gvec.c | 71 ++++++---
> tcg/tcg-op-vec.c | 142 ++++++++++++++---
> tcg/tcg.c | 5 +
> tcg/README | 11 ++
> 14 files changed, 620 insertions(+), 188 deletions(-)
>
Rebasing my vx branch to latest qemu/master, I get segfaults when trying
to boot a Linux kernel:
[ 2.652368] Unpacking initramfs...
Segmentation fault (Speicherabzug geschrieben)
"Auto-loading safe path" section in the GDB manual. E.g., run from the
shell:
info "(gdb)Auto-loading safe path"
(gdb) bt
#0 0x00007feb460409d0 in code_gen_buffer ()
#1 0x000055679d5322d3 in cpu_tb_exec (itb=<optimized out>,
cpu=0x7feb46040600 <code_gen_buffer+100926931>)
at /home/dhildenb/git/qemu/accel/tcg/cpu-exec.c:171
#2 cpu_loop_exec_tb (tb_exit=<synthetic pointer>, last_tb=<synthetic
pointer>, tb=<optimized out>,
cpu=0x7feb46040600 <code_gen_buffer+100926931>) at
/home/dhildenb/git/qemu/accel/tcg/cpu-exec.c:618
#3 cpu_exec (cpu=cpu@entry=0x55679fb37330) at
/home/dhildenb/git/qemu/accel/tcg/cpu-exec.c:729
#4 0x000055679d4f0ecf in tcg_cpu_exec (cpu=0x55679fb37330) at
/home/dhildenb/git/qemu/cpus.c:1434
#5 0x000055679d4f302b in qemu_tcg_cpu_thread_fn
(arg=arg@entry=0x55679fb37330)
at /home/dhildenb/git/qemu/cpus.c:1743
#6 0x000055679d79a26a in qemu_thread_start (args=<optimized out>) at
util/qemu-thread-posix.c:502
#7 0x00007febd07a458e in ?? ()
#8 0x0000000000000000 in ?? ()
Any idea what this could be? (this series?)
--
Thanks,
David / dhildenb
