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From: | Richard Henderson |
Subject: | Re: [Qemu-devel] [PATCH v6 02/50] tcg: Propagate args to op->args in optimizer |
Date: | Tue, 17 Oct 2017 13:33:13 -0700 |
User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.3.0 |
On 10/17/2017 01:28 PM, Emilio G. Cota wrote: >> - TCGArg * const args = op->args; > > Reviewed-by: Emilio G. Cota <address@hidden> > > Just for my own education: why doesn't gcc generate the same code when > leaving 'args' as above? I thought we could simplify the diff without > any side effects, but it turns out that more code is generated. Um... this patch was intended to be code cleanup only. It should have generated the same code. I admit I didn't check. That there is a code difference is surprising and probably reportable as a compiler bug. r~
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