Re: [Qemu-devel] [PATCH] target-tilegx: Check zero dest register for ld instructions

2015-10-01 Thread Richard Henderson
On 09/28/2015 11:51 PM, gang.chen.5...@gmail.com wrote: From: Chen Gang At present, qemu x86_64 host backend can not remove the related dummy instructions. Even the worse, sometimes, it will generate the incorrect instructions which will cause segment fault for

Re: [Qemu-devel] [PATCH] target-tilegx: Check zero dest register for ld instructions

2015-10-01 Thread Chen Gang
On 10/1/15 10:29, Richard Henderson wrote: > On 09/28/2015 11:51 PM, gang.chen.5...@gmail.com wrote: >> From: Chen Gang >> >> At present, qemu x86_64 host backend can not remove the related dummy >> instructions. Even the worse, sometimes, it will generate the incorrect

[Qemu-devel] [PATCH] target-tilegx: Check zero dest register for ld instructions

2015-09-28 Thread gang . chen . 5i5j
From: Chen Gang At present, qemu x86_64 host backend can not remove the related dummy instructions. Even the worse, sometimes, it will generate the incorrect instructions which will cause segment fault for prefetch_l3 instruction. Signed-off-by: Chen Gang