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| From: | Richard Henderson |
| Subject: | Re: [Qemu-devel] [PATCH 02/10] compiler.h: add QEMU_CACHELINE + QEMU_ALIGN() + QEMU_CACHELINE_ALIGNED |
| Date: | Tue, 5 Apr 2016 09:31:24 -0700 |
| User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.7.1 |
On 04/05/2016 09:23 AM, Lluís Vilanova wrote:
Got it! gcc -march=native --help=params -v 2>&1 | grep "param l1-cache-line-size" | sed -e 's/.* --param l1-cache-line-size=\([0-9]\+\) .*/\1/'
That will only work on x86, where we can be pretty sure it's 64 anyway. r~
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