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Re: [RFC PATCH v2 00/22] target/mips: Reintroduce the R5900 CPU (without

From: Philippe Mathieu-Daudé
Subject: Re: [RFC PATCH v2 00/22] target/mips: Reintroduce the R5900 CPU (without testing)
Date: Sun, 11 Jul 2021 22:27:18 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.11.0

On 3/9/21 3:56 PM, Philippe Mathieu-Daudé wrote:
> First part (TCG, testing postponed) of RFC v1:
> https://www.mail-archive.com/qemu-devel@nongnu.org/msg782449.html
> 3 patches can still be improved for performance, but the improvement
> is not yet addressed in this series. Other patches are good enough
> for review.
> https://gitlab.com/philmd/qemu/-/commits/mips-r5900-v2
> Based-on: mips-next
> Supersedes: <20210214175912.732946-1-f4bug@amsat.org>
> Philippe Mathieu-Daudé (22):
>   target/mips/tx79: Move MFHI1 / MFLO1 opcodes to decodetree
>   target/mips/tx79: Move MTHI1 / MTLO1 opcodes to decodetree
>   target/mips/translate: Make gen_rdhwr() public
>   target/mips/translate: Simplify PCPYH using deposit_i64()
>   target/mips/tx79: Move PCPYH opcode to decodetree
>   target/mips/tx79: Move PCPYLD / PCPYUD opcodes to decodetree
>   target/mips: Remove 'C790 Multimedia Instructions' dead code
>   target/mips/tx79: Salvage instructions description comment
>   target/mips/tx79: Introduce PAND/POR/PXOR/PNOR opcodes (parallel
>     logic)
>   target/mips/tx79: Introduce PSUB* opcodes (Parallel Subtract)
>   target/mips/tx79: Introduce PEXTUW (Parallel Extend Upper from Word)
>   target/mips/tx79: Introduce PEXTL[BHW] opcodes (Parallel Extend Lower)
>   target/mips/tx79: Introduce PCEQ* opcodes (Parallel Compare for Equal)
>   target/mips/tx79: Introduce PCGT* (Parallel Compare for Greater Than)
>   target/mips/tx79: Introduce PPACW opcode (Parallel Pack to Word)
>   target/mips/tx79: Introduce PINTEH (Parallel Interleave Even Halfword)
>   target/mips/tx79: Introduce PEXE[HW] opcodes (Parallel Exchange Even)
>   target/mips/tx79: Introduce PROT3W opcode (Parallel Rotate 3 Words)
>   target/mips/tx79: Introduce LQ opcode (Load Quadword)
>   target/mips/tx79: Introduce SQ opcode (Store Quadword)
>   target/mips/tx79: Move RDHWR usermode kludge to trans_SQ()
>   target/mips: Reintroduce the R5900 CPU

Patches 9-15 & 18 applied to mips-next.

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