From: David Hildenbrand <david@redhat.com>
To: qemu-devel@nongnu.org
Cc: qemu-s390x@nongnu.org, Thomas Huth <thuth@redhat.com>,
Halil Pasic <pasic@linux.ibm.com>,
Christian Borntraeger <borntraeger@de.ibm.com>,
Janosch Frank <frankja@linux.ibm.com>,
Cornelia Huck <cohuck@redhat.com>,
Richard Henderson <rth@twiddle.net>
Subject: Re: [Qemu-devel] [PATCH v3 12/15] s390x/tcg: Implement XxC and checks for most FP instructions
Date: Tue, 26 Feb 2019 15:55:29 +0100 [thread overview]
Message-ID: <ffcfc40e-fa0a-5f24-6aa9-8711995478c0@redhat.com> (raw)
In-Reply-To: <20190218122710.23639-13-david@redhat.com>
On 18.02.19 13:27, David Hildenbrand wrote:
> With the floating-point extension facility
> - CONVERT FROM LOGICAL
> - CONVERT TO LOGICAL
> - CONVERT TO FIXED
> - CONVERT FROM FIXED
> - LOAD FP INTEGER
> have both, a rounding mode specification and the inexact-exception control
> (XxC). Other instructions will be handled separatly.
>
> Check for valid rounding modes and forward also the XxC (via m4). To avoid
> a lot of boilerplate code and changes to the helpers, combine both, the
> m3 and m4 field in a combined 32 bit TCG variable. Perform checks at
> a central place, taking in account if the m3 or m4 field was ignore
> before the floating-point extension facility was introduced.
>
> Signed-off-by: David Hildenbrand <david@redhat.com>
> ---
Here as well (from v2 review)
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
--
Thanks,
David / dhildenb
next prev parent reply other threads:[~2019-02-26 14:55 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-02-18 12:26 [Qemu-devel] [PATCH v3 00/15] s390x/tcg: Implement floating-point extension facility David Hildenbrand
2019-02-18 12:26 ` [Qemu-devel] [PATCH v3 01/15] s390x/tcg: Fix TEST DATA CLASS instructions David Hildenbrand
2019-02-26 14:52 ` David Hildenbrand
2019-02-18 12:26 ` [Qemu-devel] [PATCH v3 02/15] s390x/tcg: Fix rounding from float128 to uint64_t/uin32_t David Hildenbrand
2019-02-18 12:26 ` [Qemu-devel] [PATCH v3 03/15] s390x/tcg: Factor out conversion of softfloat exceptions David Hildenbrand
2019-02-18 12:26 ` [Qemu-devel] [PATCH v3 04/15] s390x/tcg: Fix parts of IEEE exception handling David Hildenbrand
2019-02-18 12:27 ` [Qemu-devel] [PATCH v3 05/15] s390x/tcg: Hide IEEE underflows in some scenarios David Hildenbrand
2019-02-18 12:27 ` [Qemu-devel] [PATCH v3 06/15] s390x/tcg: Refactor SET FPC AND SIGNAL handling David Hildenbrand
2019-02-18 12:27 ` [Qemu-devel] [PATCH v3 07/15] s390x/tcg: Fix simulated-IEEE exceptions David Hildenbrand
2019-02-18 12:27 ` [Qemu-devel] [PATCH v3 08/15] s390x/tcg: Handle SET FPC AND LOAD FPC 3-bit BFP rounding modes David Hildenbrand
2019-02-26 14:54 ` David Hildenbrand
2019-02-18 12:27 ` [Qemu-devel] [PATCH v3 09/15] s390x/tcg: Check for exceptions in SET BFP ROUNDING MODE David Hildenbrand
2019-02-18 12:27 ` [Qemu-devel] [PATCH v3 10/15] s390x/tcg: Refactor saving/restoring the bfp rounding mode David Hildenbrand
2019-02-18 12:27 ` [Qemu-devel] [PATCH v3 11/15] s390x/tcg: Prepare for IEEE-inexact-exception control (XxC) David Hildenbrand
2019-02-18 12:27 ` [Qemu-devel] [PATCH v3 12/15] s390x/tcg: Implement XxC and checks for most FP instructions David Hildenbrand
2019-02-26 14:55 ` David Hildenbrand [this message]
2019-02-18 12:27 ` [Qemu-devel] [PATCH v3 13/15] s390x/tcg: Implement rounding mode and XxC for LOAD ROUNDED David Hildenbrand
2019-02-18 12:27 ` [Qemu-devel] [PATCH v3 14/15] s390x/tcg: Handle all rounding modes overwritten by BFP instructions David Hildenbrand
2019-02-18 12:27 ` [Qemu-devel] [PATCH v3 15/15] s390x: Add floating-point extension facility to "qemu" cpu model David Hildenbrand
2019-02-26 15:10 ` [Qemu-devel] [qemu-s390x] " Thomas Huth
2019-02-26 14:44 ` [Qemu-devel] [PATCH v3 00/15] s390x/tcg: Implement floating-point extension facility Cornelia Huck
2019-02-26 14:56 ` David Hildenbrand
2019-02-26 15:09 ` Cornelia Huck
2019-02-28 14:28 ` Cornelia Huck
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