Re: [Arm] GCC crash in cprop_hardreg when targeting v8-A Thumb

2018-02-05 Thread Kyrill Tkachov
Hi Michael, On 04/02/18 02:52, Michael Collison wrote: This patches fixes a bug affecting two patterns in arm/thumb2.md where the split condition was insufficient and allowed illegal rtl to be generated. The split condition for patterns "*thumb2_mov_negscc "and "*thumb_mov_notscc " allowed spl

[Arm] GCC crash in cprop_hardreg when targeting v8-A Thumb

2018-02-03 Thread Michael Collison
This patches fixes a bug affecting two patterns in arm/thumb2.md where the split condition was insufficient and allowed illegal rtl to be generated. The split condition for patterns "*thumb2_mov_negscc "and "*thumb_mov_notscc " allowed splitting that ignored "arm_restrict_it". This was causing i