[PING][PATCH 0/3] Small step in supporting AVX instructions

[Guinevere Larsen <blarsen@redhat.com>]

Ping!

Since this patch is only x86 record full, if there are no comments until 
next week, I will push this change.

-- 
Cheers,
Guinevere Larsen
She/Her/Hers

On 5/21/24 17:27, Guinevere Larsen wrote:
> This patch series is the first, very small, step in supporting AVX and
> AVX2 instructions for the record-full target. It is important that we
> support it since glibc has been using avx instructions for a long time
> (at least fedora 21), so depending on which functions an inferior uses,
> they might be very inconvenienced.
>
> Patch 1 adds capability to identify the VEX prefix, but no instruction
> support. Patches 2 and 3 add support for a total of 10 instructions,
> which covers around 5% of all AVX instructions used by system libraries
> in my fedora 39 box.
>
> While this support is extremely minimal, I figured I could propose the
> patch series early so it was open for others with more free time could
> help contributing to this :)
>
> As for filed bugs, there are 2 that I could find on bugzilla, but both
> name a specific instruction (vmovdqa and vmovdqu) which were not added
> by this series, so I figured I should only mention it once those are
> added.
>
> Guinevere Larsen (3):
>    gdb: Start supporting AVX instruction
>    gdb/record: add support to vmovd and vmovq instructions
>    gdb/record: add support to AVX unpack instructions
>
>   gdb/amd64-tdep.c                              |   3 +-
>   gdb/i386-tdep.c                               | 170 ++++++++++++++-
>   gdb/i386-tdep.h                               |   2 +
>   gdb/testsuite/gdb.reverse/i386-avx-reverse.c  | 127 +++++++++++
>   .../gdb.reverse/i386-avx-reverse.exp          | 197 ++++++++++++++++++
>   5 files changed, 496 insertions(+), 3 deletions(-)
>   create mode 100644 gdb/testsuite/gdb.reverse/i386-avx-reverse.c
>   create mode 100644 gdb/testsuite/gdb.reverse/i386-avx-reverse.exp
>