From: Richard Henderson <rth@twiddle.net>
To: David Hildenbrand <david@redhat.com>,
Richard Henderson <richard.henderson@linaro.org>,
qemu-devel@nongnu.org
Cc: "Thomas Huth" <thuth@redhat.com>,
"Janosch Frank" <frankja@linux.ibm.com>,
"Cornelia Huck" <cohuck@redhat.com>,
"Halil Pasic" <pasic@linux.ibm.com>,
"Christian Borntraeger" <borntraeger@de.ibm.com>,
qemu-s390x@nongnu.org, "Alex Bennée" <alex.bennee@linaro.org>
Subject: Re: [Qemu-devel] [PATCH v1 08/15] s390x/tcg: Handle SET FPC AND LOAD FPC 3-bit BFP rounding modes
Date: Tue, 12 Feb 2019 11:56:39 -0800 [thread overview]
Message-ID: <8bf73ad3-345e-6811-f61c-038a28732aad@twiddle.net> (raw)
In-Reply-To: <86c01eb1-5423-cd47-1173-747a4708cf87@redhat.com>
On 2/12/19 11:32 AM, David Hildenbrand wrote:
>> Yes, you want round_to_odd. I suppose that's not valid for float128 right now?
>
> roundAndPackFloat64()
>
> as well as
>
> roundAndPackFloat128()
>
> support it.
>
> It's not implemented for round_canonical(), round_to_int(),
These two are easy. I think Alex and I didn't implement it in the float32/64
rewrite because we didn't have a user. Now we will.
> roundAndPackInt32(), roundAndPackInt64(), roundAndPackUint64(),
> roundAndPackFloat32()
Right, these would be from the float128 side. It shouldn't be too hard...
r~
next prev parent reply other threads:[~2019-02-12 19:57 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-02-12 11:02 [Qemu-devel] [PATCH v1] s390x: Add floating-point extension facility to "qemu" cpu model David Hildenbrand
2019-02-12 11:02 ` [Qemu-devel] [PATCH v1 00/15] s390x/tcg: Implement floating-point extension facility David Hildenbrand
2019-02-12 11:02 ` [Qemu-devel] [PATCH v1 01/15] s390x/tcg: Fix TEST DATA CLASS instructions David Hildenbrand
2019-02-12 18:01 ` Richard Henderson
2019-02-12 18:17 ` David Hildenbrand
2019-02-12 11:02 ` [Qemu-devel] [PATCH v1 02/15] s390x/tcg: Fix rounding from float128 to uint64_t/uin32_t David Hildenbrand
2019-02-12 18:03 ` Richard Henderson
2019-02-12 11:02 ` [Qemu-devel] [PATCH v1 03/15] s390x/tcg: Factor out conversion of softfloat exceptions David Hildenbrand
2019-02-12 18:05 ` Richard Henderson
2019-02-12 11:02 ` [Qemu-devel] [PATCH v1 04/15] s390x/tcg: Fix parts of IEEE exception handling David Hildenbrand
2019-02-12 18:13 ` Richard Henderson
2019-02-12 11:02 ` [Qemu-devel] [PATCH v1 05/15] s390x/tcg: Hide IEEE underflows in some scenarios David Hildenbrand
2019-02-12 18:14 ` Richard Henderson
2019-02-12 11:02 ` [Qemu-devel] [PATCH v1 06/15] s390x/tcg: Refactor SET FPC AND SIGNAL handling David Hildenbrand
2019-02-12 18:55 ` Richard Henderson
2019-02-12 11:03 ` [Qemu-devel] [PATCH v1 07/15] s390x/tcg: Fix simulated-IEEE exceptions David Hildenbrand
2019-02-12 18:56 ` Richard Henderson
2019-02-12 11:03 ` [Qemu-devel] [PATCH v1 08/15] s390x/tcg: Handle SET FPC AND LOAD FPC 3-bit BFP rounding modes David Hildenbrand
2019-02-12 19:07 ` Richard Henderson
2019-02-12 19:32 ` David Hildenbrand
2019-02-12 19:56 ` Richard Henderson [this message]
2019-02-13 12:49 ` David Hildenbrand
2019-02-13 19:11 ` Richard Henderson
2019-02-12 11:03 ` [Qemu-devel] [PATCH v1 09/15] s390x/tcg: Check for exceptions in SET BFP ROUNDING MODE David Hildenbrand
2019-02-12 19:58 ` Richard Henderson
2019-02-12 11:03 ` [Qemu-devel] [PATCH v1 10/15] s390x/tcg: Refactor saving/restoring the bfp rounding mode David Hildenbrand
2019-02-12 20:03 ` Richard Henderson
2019-02-12 11:03 ` [Qemu-devel] [PATCH v1 11/15] s390x/tcg: Prepare for IEEE-inexact-exception control (XxC) David Hildenbrand
2019-02-12 20:07 ` Richard Henderson
2019-02-12 11:03 ` [Qemu-devel] [PATCH v1 12/15] s390x/tcg: Implement XxC and checks for most FP instructions David Hildenbrand
2019-02-12 20:23 ` Richard Henderson
2019-02-13 12:52 ` David Hildenbrand
2019-02-12 11:03 ` [Qemu-devel] [PATCH v1 13/15] s390x/tcg: Implement rounding mode and XxC for LOAD ROUNDED David Hildenbrand
2019-02-12 20:25 ` Richard Henderson
2019-02-12 11:03 ` [Qemu-devel] [PATCH v1 14/15] s390x/tcg: Handle all rounding modes overwritten by BFP instructions David Hildenbrand
2019-02-12 20:29 ` Richard Henderson
2019-02-12 11:03 ` [Qemu-devel] [PATCH v1 15/15] s390x: Add floating-point extension facility to "qemu" cpu model David Hildenbrand
2019-02-12 11:04 ` [Qemu-devel] [PATCH v1] " David Hildenbrand
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