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From: | Richard Henderson |
Subject: | Re: [Qemu-devel] [PATCH 4/6] linux-user: Rewrite __get_user/__put_user with __builtin_choose_expr |
Date: | Thu, 11 Oct 2012 12:52:27 -0700 |
User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:16.0) Gecko/20121009 Thunderbird/16.0 |
On 10/11/2012 12:22 PM, Richard Henderson wrote: > The previous formuation with multiple assignments to __typeof(*hptr) falls > down when hptr is qualified const. E.g. with const struct S *p, p->f is > also qualified const. > > With this formulation, there's no assignment to any local variable. > > Signed-off-by: Richard Henderson <address@hidden> Scratch that... I lost the unaligned access capability. I'll have to re-work the patch. r~
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