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| From: | Richard Henderson |
| Subject: | Re: [Qemu-devel] [PATCH for-4.0 v2 01/37] tcg/i386: Always use %ebp for TCG_AREG0 |
| Date: | Thu, 29 Nov 2018 06:55:34 -0800 |
| User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.3.0 |
On 11/29/18 4:52 AM, Alex Bennée wrote: > > Richard Henderson <address@hidden> writes: > >> For x86_64, this can result in smaller code when manipulating >> TCG_TYPE_I32, as we can omit a REX prefix. > > I take it you mean passing TCG_TYPE_I32 back and forth from the register > backing store in CPUEnv which TCG_AREG0 points at? Yes, exactly. Perhaps I should expand my comment... r~
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