Re: [llvm-dev] RFC: Add GNU_PROPERTY_UINT32_AND_XXX/GNU_PROPERTY_UINT32_OR_XXX

2021-06-17 Thread Fāng-ruì Sòng via Gcc
On Thu, Jun 17, 2021 at 5:24 PM H.J. Lu wrote: > > On Thu, Jun 17, 2021 at 5:06 PM Fāng-ruì Sòng wrote: > > > > On 2021-06-17, H.J. Lu wrote: > > >On Thu, Jun 17, 2021 at 1:25 PM Fāng-ruì Sòng wrote: > > >> > > >> On Thu, Jun 17, 2021 at 12:46 PM H.J. Lu wrote: > > >> > > > >> > On Thu, Jun 17,

Re: [llvm-dev] RFC: Add GNU_PROPERTY_UINT32_AND_XXX/GNU_PROPERTY_UINT32_OR_XXX

2021-06-17 Thread Fāng-ruì Sòng via Gcc
On 2021-06-17, H.J. Lu wrote: On Thu, Jun 17, 2021 at 1:25 PM Fāng-ruì Sòng wrote: On Thu, Jun 17, 2021 at 12:46 PM H.J. Lu wrote: > > On Thu, Jun 17, 2021 at 12:38 PM Fangrui Song wrote: > > > > On 2021-06-17, H.J. Lu via llvm-dev wrote: > > >On Thu, Jan 21, 2021 at 7:02 AM H.J. Lu wrote:

Re: [llvm-dev] RFC: Add GNU_PROPERTY_UINT32_AND_XXX/GNU_PROPERTY_UINT32_OR_XXX

2021-06-17 Thread Fāng-ruì Sòng via Gcc
On Thu, Jun 17, 2021 at 12:46 PM H.J. Lu wrote: > > On Thu, Jun 17, 2021 at 12:38 PM Fangrui Song wrote: > > > > On 2021-06-17, H.J. Lu via llvm-dev wrote: > > >On Thu, Jan 21, 2021 at 7:02 AM H.J. Lu wrote: > > >> > > >> On Wed, Jan 13, 2021 at 9:06 AM H.J. Lu wrote: > > >> > > > >> > 1. GNU_P

Re: DWARF64 gcc/clang flag discussion

2020-11-30 Thread Fāng-ruì Sòng via Gcc
On Mon, Nov 30, 2020 at 11:36 AM Alexander Yermolovich wrote: > > Thank you David for driving the conversation, sorry I was on vacation. > > I guess discussion is from perspective of having both flags > gdwarf32/gdwarf64. In which case it's a valid question on whether they should > imply -g like

GCC 10: Add driver options -mbranches-within-32B-boundaries and -malign-branch* for x86

2020-01-15 Thread Fāng-ruì Sòng via gcc
H.J. Lu's https://sourceware.org/ml/binutils/2019-11/msg00174.html assembler patch series added -mbranches-within-32B-boundaries and some fine-grained tuning options to GNU as, which are considered a pretty important performance mitigation of a serious CPU bug (https://www.intel.com/content/dam/sup