[llvm-commits] [llvm] r69350 - in /llvm/trunk: lib/Target/X86/X86ISelLowering.cpp lib/Target/X86/X86Instr64bit.td lib/Target/X86/X86InstrInfo.td test/CodeGen/X86/2009-04-17-tls-fast.ll

[Frits van Bommel]

Rafael Espindola wrote:
> For general dynamic TLS access we must use
> 
> leaq	foo at TLSGD(%rip), %rdi
> 
> as part of the instruction sequence. Using a register other than %rdi and then
> copying it to %rdi is not valid.

Would you mind explaining why this is?