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Re: [Qemu-devel] [PATCH v2 4/6] target/mips: Fix decoding mechanism of s
From: |
Aleksandar Markovic |
Subject: |
Re: [Qemu-devel] [PATCH v2 4/6] target/mips: Fix decoding mechanism of special R5900 opcodes |
Date: |
Fri, 9 Nov 2018 15:23:36 +0000 |
> From: Fredrik Noring <address@hidden>
> Subject: Re: [PATCH v2 4/6] target/mips: Fix decoding mechanism of special
> R5900 opcodes
>
> Hi Aleksandar,
>
> > Tx79 mentions the opposite: that DDIV, DDIVU, DMULT, DMULTU are not
> > included in R5900 set.
> >
> > I think that the best solution that you exclude DDIV, DDIVU, DMULT, DMULTU
> > in a separate patch - there is no document to support their inclusion.
>
> As Maciej noted, the 64-bit MIPS Linux psABI is indivisible, so how could
> your alternative possibly work?
Since we are rapidly approaching 3.1 release, we don't have time for prolonged
discussions - so please provide the patch that removes emulation of these
instructions that don't belong to R5900 set, and, if you find a justification
document later on, they can be reintroduced in 3.1+ timeframe.
Thanks,
Aleksnadar
- Re: [Qemu-devel] [PATCH v2 3/6] target/mips: Fix HI[ac] and LO[ac] 32-bit truncation with MIPS64 DSP ASE, (continued)
- [Qemu-devel] [PATCH v2 4/6] target/mips: Fix decoding mechanism of special R5900 opcodes, Fredrik Noring, 2018/11/07
- Re: [Qemu-devel] [PATCH v2 4/6] target/mips: Fix decoding mechanism of special R5900 opcodes, Aleksandar Markovic, 2018/11/08
- Re: [Qemu-devel] [PATCH v2 4/6] target/mips: Fix decoding mechanism of special R5900 opcodes, Aleksandar Markovic, 2018/11/09
- Re: [Qemu-devel] [PATCH v2 4/6] target/mips: Fix decoding mechanism of special R5900 opcodes, Fredrik Noring, 2018/11/09
- Re: [Qemu-devel] [PATCH v2 4/6] target/mips: Fix decoding mechanism of special R5900 opcodes, Aleksandar Markovic, 2018/11/09
- Re: [Qemu-devel] [PATCH v2 4/6] target/mips: Fix decoding mechanism of special R5900 opcodes, Fredrik Noring, 2018/11/09
- Re: [Qemu-devel] [PATCH v2 4/6] target/mips: Fix decoding mechanism of special R5900 opcodes, Aleksandar Markovic, 2018/11/09
- Re: [Qemu-devel] [PATCH v2 4/6] target/mips: Fix decoding mechanism of special R5900 opcodes,
Aleksandar Markovic <=
- Re: [Qemu-devel] [PATCH v2 4/6] target/mips: Fix decoding mechanism of special R5900 opcodes, Maciej W. Rozycki, 2018/11/09
- Re: [Qemu-devel] [PATCH v2 4/6] target/mips: Fix decoding mechanism of special R5900 opcodes, Maciej W. Rozycki, 2018/11/09
Re: [Qemu-devel] [PATCH v2 4/6] target/mips: Fix decoding mechanism of special R5900 opcodes, Aleksandar Markovic, 2018/11/17
[Qemu-devel] [PATCH v2 5/6] target/mips: Guard check_insn_opc_user_only with INSN_R5900 check, Fredrik Noring, 2018/11/07
[Qemu-devel] [PATCH v2 6/6] target/mips: Guard check_insn with INSN_R5900 check, Fredrik Noring, 2018/11/07