On Sun, Nov 8, 2009 at 6:47 PM, Chad <chad.p...@gmail.com> wrote: > Running qemu[-i386] with -d out_asm and looking at qemu.out shows this > test/j**/jmp pattern repeatedly: > > 0xb1aa40f6: test %ecx,%ecx > 0xb1aa40f8: jne 0xb1aa4115 > 0xb1aa40fe: jmp 0xb1aa4103 > 0xb1aa4103: mov $0xc0bf,%eax > > Therefore there's a bug in the tcg generator creating many unnecessary > jmps. It might get optimized out by the CPU, but it might not and it bloats > the asm output in any case...
Some of these jumps are patched later when the target block is translated (block chaining). If you want to see the real output, you'll have to disassemble after execution. Laurent
