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authorMike Pall <mike>2010-02-16 23:39:24 +0100
committerMike Pall <mike>2010-02-16 23:39:24 +0100
commit8060f5b53145b977c04bddf414aa541cb73ec536 (patch)
tree9bae21eff945ef8794106427e1e7155f0612b7d0 /doc
parentc225ee8db4300e1dbf13fcdfc15d8f44da175877 (diff)
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Just disable JIT compiler for non-SSE2 CPUs instead of aborting.
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@@ -65,10 +65,13 @@ This is a list of the things you should know about the LuaJIT 2.0 beta test:
65</p> 65</p>
66<ul> 66<ul>
67<li> 67<li>
68The JIT compiler can only generate code for CPUs with <b>SSE2</b> at the 68The JIT compiler only generates code for CPUs with support for
69moment. I.e. you need at least a P4, Core 2/i5/i7 or K8/K10 to use it. I 69<b>SSE2</b> instructions. I.e. you need at least a P4, Core 2/i5/i7
70plan to fix this during the beta phase and add support for emitting x87 70or K8/K10 to get the full benefit.<br>
71instructions to the backend. 71If you run LuaJIT on older CPUs without SSE2 support, the JIT compiler
72is disabled and the VM falls back to the interpreter.
73Run the command line executable without arguments to show the current status
74(<tt>JIT: ON</tt> or <tt>JIT: OFF</tt>).
72</li> 75</li>
73<li> 76<li>
74Obviously there will be many <b>bugs</b> in a VM which has been 77Obviously there will be many <b>bugs</b> in a VM which has been