Split generated insn-emit.c

Hi, The size of generated file like insn-emit.c is very huge if we add lots of define_expand patten or define_insn patten. It’s present easily when there are much more intrinsic interfaces it costs much more time to create toolchain with compiling these files :(

Re: How to forbid register allocator to overlap bewteen DEST and SOURCE

Hi, Thanks for your reply :) Maybe there are some register limits in reload pass with my case like We need to expand to ‘mov’ and ‘madd’ first to get suitable registers. —Jojo 在 2020年7月3日 +0800 AM5:35，Jim Wilson ，写道： > On Wed, Jul 1, 2020 at 8:40 PM wrote: > > GCC see

How to forbid register allocator to overlap bewteen DEST and SOURCE

Hi, GCC seems to overlap register bewteen DEST and SOURCE in different machine mode, Is there any target hooks to control this feature ? I use ‘&’ to forbid register allocator to overlap bewteen DEST and SOURCE, but there are some redundancy instructions in th