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Re: [PATCH v3 02/24] tcg/tci: Remove TCG_TARGET_HAS_* ifdefs

From: Richard Henderson
Subject: Re: [PATCH v3 02/24] tcg/tci: Remove TCG_TARGET_HAS_* ifdefs
Date: Fri, 29 Jan 2021 22:55:59 -1000
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0

On 1/29/21 9:15 PM, Stefan Weil wrote:
> If someone decides to use TCG_TARGET_HAS_div2_i64 instead of
> TCG_TARGET_HAS_div_i64 with TCI, that lines (in addition to the implementation
> of the opcodes) would be needed again.

How can you know if those lines are even correct, when there is no
infrastructure behind them to either produce or consume?

If someone decides to implement div2, they will have to add the whole thing at
once, not build on piece-meal stuff that's been laying around for a decade.


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