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| From: | Richard Henderson |
| Subject: | Re: [Qemu-devel] [PATCH v4 01/18] tcg-arm: Fix local stack frame |
| Date: | Sat, 30 Mar 2013 14:19:42 -0700 |
| User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130311 Thunderbird/17.0.4 |
On 2013-03-30 14:14, Peter Maydell wrote:
If you're doing a sub sp, sp, #n anyway, you might as well add 4 to that and drop the save/load of r12 from the stmdb/ldmia. It was only in there to save having an extra sub/add insn.
Fair enough, not that it ought to make a difference to the cycle count. r~
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