Support to check vliw overlapping register constraint created by regrename, please help to review, thanks

2020-06-20 Thread Zhongyunde
In some target, it is limited to issue two insns with change the same register.(The insn 73 start with insn:TI, so it will be issued together with others insns until a new insn start with insn:TI, such as insn 71) The regrename can known the mode V2VF in insn 73 need two successive registers, i

Re: Support to check vliw overlapping register constraint created by regrename, please help to review, thanks

2020-11-18 Thread Jeff Law via Gcc-patches
On 6/20/20 5:18 AM, Zhongyunde wrote: > In some target, it is limited to issue two insns with change the same > register.(The insn 73 start with insn:TI, so it will be issued together with > others insns until a new insn start with insn:TI, such as insn 71) > The regrename can known the mode