Re: LRA: check_rtl modifies RTL instruction stream

2013-11-08 Thread Vladimir Makarov
On 11/8/2013, 9:13 AM, Robert Suchanek wrote: Hi Vladimir, I have been looking into regression testing for mips16 with LRA enabled and tried to understand and solve some ICEs. It was found that in a narrowed testcase (attached below) that there are two issues: 1. In the back end - pattern not r

LRA: check_rtl modifies RTL instruction stream

2013-11-08 Thread Robert Suchanek
Hi Vladimir, I have been looking into regression testing for mips16 with LRA enabled and tried to understand and solve some ICEs. It was found that in a narrowed testcase (attached below) that there are two issues: 1. In the back end - pattern not recognized and hence ICE. 2. In the LRA - a bug