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| From: | Richard Henderson |
| Subject: | Re: [Qemu-devel] [PATCH v3 23/25] tcg: Emit prologue to the beginning of code_gen_buffer |
| Date: | Wed, 23 Sep 2015 12:39:45 -0700 |
| User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.2.0 |
On 09/23/2015 12:28 PM, Peter Maydell wrote: >> - /* Steal room for the prologue at the end of the buffer. This ensures >> - (via the MAX_CODE_GEN_BUFFER_SIZE limits above) that direct branches >> - from TB's to the prologue are going to be in range. It also means >> - that we don't need to mark (additional) portions of the data segment >> - as executable. */ > > I take it we don't have any annoying targets with branch-forwards > ranges larger than their branch-backwards ranges... No, thankfully. r~
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