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1033823
2013 Nov 03
2
[LLVMdev] [PATCH] Do not generate nopl instruction on CPUs that don't support it.
Hi
This patch fixes code generation bug - 586-class CPUs don't support the
nopl instruction and some 686-class CPUs don't support it too.
I created bug 17792 for that.
BTW. I think you should also optimize padding on these CPUs - instead of a
stream of 0x90 nops, you should generate variants of "lea (%esi), %esi"
instruction like gcc.
This patch disables generation of