From: Richard Henderson <richard.henderson@linaro.org>
To: David Hildenbrand <david@redhat.com>, qemu-devel@nongnu.org
Cc: qemu-s390x@nongnu.org, Cornelia Huck <cohuck@redhat.com>,
Thomas Huth <thuth@redhat.com>,
Richard Henderson <rth@twiddle.net>
Subject: Re: [Qemu-devel] [PATCH v1 20/33] s390x/tcg: Implement VECTOR PACK
Date: Wed, 27 Feb 2019 15:11:56 -0800 [thread overview]
Message-ID: <e9be57a6-b639-39fa-2ec9-9f5cb52f954a@linaro.org> (raw)
In-Reply-To: <20190226113915.20150-21-david@redhat.com>
On 2/26/19 3:39 AM, David Hildenbrand wrote:
> We cannot use gvex expansion as the element size of source and
> destination differs. So expand manually. Luckily, VECTOR PACK does not
> care about saturation or setting the CC, so it can be implemented
> without a helper. We have to watch out for overlapping source and
> destination registers and use a temporary register in this case.
>
> Signed-off-by: David Hildenbrand <david@redhat.com>
> ---
> target/s390x/insn-data.def | 2 ++
> target/s390x/translate_vx.inc.c | 41 +++++++++++++++++++++++++++++++++
> 2 files changed, 43 insertions(+)
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
r~
next prev parent reply other threads:[~2019-02-27 23:12 UTC|newest]
Thread overview: 94+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-02-26 11:38 [Qemu-devel] [PATCH v1 00/33] s390x/tcg: Vector Instruction Support Part 1 David Hildenbrand
2019-02-26 11:38 ` [Qemu-devel] [PATCH v1 01/33] s390x/tcg: Define vector instruction formats David Hildenbrand
2019-02-26 18:24 ` Richard Henderson
2019-02-26 11:38 ` [Qemu-devel] [PATCH v1 02/33] s390x/tcg: Check vector register instructions at central point David Hildenbrand
2019-02-26 18:26 ` Richard Henderson
2019-02-26 11:38 ` [Qemu-devel] [PATCH v1 03/33] s390x: Add one temporary vector register in CPU state for TCG David Hildenbrand
2019-02-26 18:36 ` Richard Henderson
2019-02-26 18:45 ` David Hildenbrand
2019-02-26 11:38 ` [Qemu-devel] [PATCH v1 04/33] s390x/tcg: Utilities for vector instruction helpers David Hildenbrand
2019-02-26 11:38 ` [Qemu-devel] [PATCH v1 05/33] s390x/tcg: Implement VECTOR GATHER ELEMENT David Hildenbrand
2019-02-26 18:44 ` Richard Henderson
2019-02-26 11:38 ` [Qemu-devel] [PATCH v1 06/33] s390x/tcg: Implement VECTOR GENERATE BYTE MASK David Hildenbrand
2019-02-26 19:12 ` Richard Henderson
2019-02-26 19:23 ` David Hildenbrand
2019-02-26 21:23 ` David Hildenbrand
2019-02-26 11:38 ` [Qemu-devel] [PATCH v1 07/33] s390x/tcg: Implement VECTOR GENERATE MASK David Hildenbrand
2019-02-26 21:16 ` David Hildenbrand
2019-02-27 15:29 ` Richard Henderson
2019-02-26 11:38 ` [Qemu-devel] [PATCH v1 08/33] s390x/tcg: Implement VECTOR LOAD David Hildenbrand
2019-02-27 15:39 ` Richard Henderson
2019-02-28 7:48 ` David Hildenbrand
2019-02-28 16:34 ` Richard Henderson
2019-02-28 16:40 ` David Hildenbrand
2019-02-26 11:38 ` [Qemu-devel] [PATCH v1 09/33] s390x/tcg: Implement VECTOR LOAD AND REPLICATE David Hildenbrand
2019-02-27 15:40 ` Richard Henderson
2019-02-26 11:38 ` [Qemu-devel] [PATCH v1 10/33] s390x/tcg: Implement VECTOR LOAD ELEMENT David Hildenbrand
2019-02-27 15:42 ` Richard Henderson
2019-02-26 11:38 ` [Qemu-devel] [PATCH v1 11/33] s390x/tcg: Implement VECTOR LOAD ELEMENT IMMEDIATE David Hildenbrand
2019-02-27 15:44 ` Richard Henderson
2019-02-26 11:38 ` [Qemu-devel] [PATCH v1 12/33] s390x/tcg: Implement VECTOR LOAD GR FROM VR ELEMENT David Hildenbrand
2019-02-27 15:53 ` Richard Henderson
2019-02-28 8:27 ` David Hildenbrand
2019-02-28 17:10 ` Richard Henderson
2019-02-26 11:38 ` [Qemu-devel] [PATCH v1 13/33] s390x/tcg: Implement VECTOR LOAD LOGICAL ELEMENT AND ZERO David Hildenbrand
2019-02-27 15:56 ` Richard Henderson
2019-02-28 8:30 ` David Hildenbrand
2019-02-26 11:38 ` [Qemu-devel] [PATCH v1 14/33] s390x/tcg: Implement VECTOR LOAD MULTIPLE David Hildenbrand
2019-02-27 16:02 ` Richard Henderson
2019-02-28 8:36 ` David Hildenbrand
2019-02-28 17:15 ` Richard Henderson
2019-02-28 19:05 ` David Hildenbrand
2019-03-01 6:34 ` Richard Henderson
2019-02-26 11:38 ` [Qemu-devel] [PATCH v1 15/33] s390x/tcg: Implement VECTOR LOAD TO BLOCK BOUNDARY David Hildenbrand
2019-02-27 16:08 ` Richard Henderson
2019-02-28 8:40 ` David Hildenbrand
2019-02-26 11:38 ` [Qemu-devel] [PATCH v1 16/33] s390x/tcg: Implement VECTOR LOAD VR ELEMENT FROM GR David Hildenbrand
2019-02-27 16:08 ` Richard Henderson
2019-02-26 11:38 ` [Qemu-devel] [PATCH v1 17/33] s390x/tcg: Implement VECTOR LOAD VR FROM GRS DISJOINT David Hildenbrand
2019-02-27 16:10 ` Richard Henderson
2019-02-26 11:39 ` [Qemu-devel] [PATCH v1 18/33] s390x/tcg: Implement VECTOR LOAD WITH LENGTH David Hildenbrand
2019-02-27 16:12 ` Richard Henderson
2019-02-26 11:39 ` [Qemu-devel] [PATCH v1 19/33] s390x/tcg: Implement VECTOR MERGE (HIGH|LOW) David Hildenbrand
2019-02-27 16:14 ` Richard Henderson
2019-02-27 16:20 ` Richard Henderson
2019-02-28 8:54 ` David Hildenbrand
2019-02-26 11:39 ` [Qemu-devel] [PATCH v1 20/33] s390x/tcg: Implement VECTOR PACK David Hildenbrand
2019-02-27 23:11 ` Richard Henderson [this message]
2019-02-26 11:39 ` [Qemu-devel] [PATCH v1 21/33] s390x/tcg: Implement VECTOR PACK (LOGICAL) SATURATE David Hildenbrand
2019-02-27 23:18 ` Richard Henderson
2019-02-27 23:24 ` Richard Henderson
2019-02-26 11:39 ` [Qemu-devel] [PATCH v1 22/33] s390x/tcg: Implement VECTOR PERMUTE David Hildenbrand
2019-02-27 23:21 ` Richard Henderson
2019-02-26 11:39 ` [Qemu-devel] [PATCH v1 23/33] s390x/tcg: Implement VECTOR PERMUTE DOUBLEWORD IMMEDIATE David Hildenbrand
2019-02-27 23:26 ` Richard Henderson
2019-02-26 11:39 ` [Qemu-devel] [PATCH v1 24/33] s390x/tcg: Implement VECTOR REPLICATE David Hildenbrand
2019-02-27 23:29 ` Richard Henderson
2019-02-27 23:31 ` Richard Henderson
2019-02-26 11:39 ` [Qemu-devel] [PATCH v1 25/33] s390x/tcg: Implement VECTOR REPLICATE IMMEDIATE David Hildenbrand
2019-02-27 23:39 ` Richard Henderson
2019-02-28 9:07 ` David Hildenbrand
2019-02-26 11:39 ` [Qemu-devel] [PATCH v1 26/33] s390x/tcg: Implement VECTOR SCATTER ELEMENT David Hildenbrand
2019-02-27 23:40 ` Richard Henderson
2019-02-26 11:39 ` [Qemu-devel] [PATCH v1 27/33] s390x/tcg: Implement VECTOR SELECT David Hildenbrand
2019-02-27 23:42 ` Richard Henderson
2019-02-28 9:09 ` David Hildenbrand
2019-02-26 11:39 ` [Qemu-devel] [PATCH v1 28/33] s390x/tcg: Implement VECTOR SIGN EXTEND TO DOUBLEWORD David Hildenbrand
2019-02-27 23:43 ` Richard Henderson
2019-02-26 11:39 ` [Qemu-devel] [PATCH v1 29/33] s390x/tcg: Implement VECTOR STORE David Hildenbrand
2019-02-27 23:46 ` Richard Henderson
2019-02-28 9:11 ` David Hildenbrand
2019-02-26 11:39 ` [Qemu-devel] [PATCH v1 30/33] s390x/tcg: Implement VECTOR STORE ELEMENT David Hildenbrand
2019-02-27 23:47 ` Richard Henderson
2019-02-26 11:39 ` [Qemu-devel] [PATCH v1 31/33] s390x/tcg: Implement VECTOR STORE MULTIPLE David Hildenbrand
2019-02-27 23:48 ` Richard Henderson
2019-02-26 11:39 ` [Qemu-devel] [PATCH v1 32/33] s390x/tcg: Implement VECTOR STORE WITH LENGTH David Hildenbrand
2019-02-27 23:49 ` Richard Henderson
2019-02-28 9:13 ` David Hildenbrand
2019-02-26 11:39 ` [Qemu-devel] [PATCH v1 33/33] s390x/tcg: Implement VECTOR UNPACK * David Hildenbrand
2019-02-28 0:03 ` Richard Henderson
2019-02-28 9:28 ` David Hildenbrand
2019-02-28 10:54 ` David Hildenbrand
2019-02-28 18:22 ` Richard Henderson
2019-02-28 19:45 ` David Hildenbrand
2019-02-28 7:24 ` [Qemu-devel] [PATCH v1 00/33] s390x/tcg: Vector Instruction Support Part 1 David Hildenbrand
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