Re: Should CET be enabled by default in GCC8

2018-04-18 Thread H.J. Lu
On Wed, Apr 18, 2018 at 3:34 AM, Jakub Jelinek wrote: > On Wed, Apr 18, 2018 at 12:30:03PM +0200, Richard Biener wrote: >> On Wed, 18 Apr 2018, Uros Bizjak wrote: >> >> > Hello! >> > >> > Currently, CET is enabled by default for linux if target supports >> > multi-byte NOPs and if assembler suppor

Re: Should CET be enabled by default in GCC8

2018-04-18 Thread Jakub Jelinek
On Wed, Apr 18, 2018 at 12:30:03PM +0200, Richard Biener wrote: > On Wed, 18 Apr 2018, Uros Bizjak wrote: > > > Hello! > > > > Currently, CET is enabled by default for linux if target supports > > multi-byte NOPs and if assembler supports CET insn. Effectively, with > > newer binutils, CET suppor

Re: Should CET be enabled by default in GCC8

2018-04-18 Thread Richard Biener
On Wed, 18 Apr 2018, Uros Bizjak wrote: > Hello! > > Currently, CET is enabled by default for linux if target supports > multi-byte NOPs and if assembler supports CET insn. Effectively, with > newer binutils, CET support is an opt-out feature. > > I don't think this should be the case, and I pro