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Re: [qemu-s390x] [PATCH v3 12/15] s390x/tcg: Implement XxC and checks fo
From: |
David Hildenbrand |
Subject: |
Re: [qemu-s390x] [PATCH v3 12/15] s390x/tcg: Implement XxC and checks for most FP instructions |
Date: |
Tue, 26 Feb 2019 15:55:29 +0100 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.4.0 |
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 <address@hidden>
> ---
Here as well (from v2 review)
Reviewed-by: Richard Henderson <address@hidden>
--
Thanks,
David / dhildenb
- [qemu-s390x] [PATCH v3 06/15] s390x/tcg: Refactor SET FPC AND SIGNAL handling, (continued)
- [qemu-s390x] [PATCH v3 06/15] s390x/tcg: Refactor SET FPC AND SIGNAL handling, David Hildenbrand, 2019/02/18
- [qemu-s390x] [PATCH v3 07/15] s390x/tcg: Fix simulated-IEEE exceptions, David Hildenbrand, 2019/02/18
- [qemu-s390x] [PATCH v3 08/15] s390x/tcg: Handle SET FPC AND LOAD FPC 3-bit BFP rounding modes, David Hildenbrand, 2019/02/18
- [qemu-s390x] [PATCH v3 09/15] s390x/tcg: Check for exceptions in SET BFP ROUNDING MODE, David Hildenbrand, 2019/02/18
- [qemu-s390x] [PATCH v3 10/15] s390x/tcg: Refactor saving/restoring the bfp rounding mode, David Hildenbrand, 2019/02/18
- [qemu-s390x] [PATCH v3 11/15] s390x/tcg: Prepare for IEEE-inexact-exception control (XxC), David Hildenbrand, 2019/02/18
- [qemu-s390x] [PATCH v3 13/15] s390x/tcg: Implement rounding mode and XxC for LOAD ROUNDED, David Hildenbrand, 2019/02/18
- [qemu-s390x] [PATCH v3 14/15] s390x/tcg: Handle all rounding modes overwritten by BFP instructions, David Hildenbrand, 2019/02/18
- [qemu-s390x] [PATCH v3 12/15] s390x/tcg: Implement XxC and checks for most FP instructions, David Hildenbrand, 2019/02/18
- Re: [qemu-s390x] [PATCH v3 12/15] s390x/tcg: Implement XxC and checks for most FP instructions,
David Hildenbrand <=
- [qemu-s390x] [PATCH v3 15/15] s390x: Add floating-point extension facility to "qemu" cpu model, David Hildenbrand, 2019/02/18
- Re: [qemu-s390x] [PATCH v3 00/15] s390x/tcg: Implement floating-point extension facility, Cornelia Huck, 2019/02/26
- Re: [qemu-s390x] [PATCH v3 00/15] s390x/tcg: Implement floating-point extension facility, Cornelia Huck, 2019/02/28