Re: [PATCH 2/4] i386: Optimization for APX NDD is always zero-uppered for sub/adc/sbb

2024-08-13 Thread Hongtao Liu
On Mon, Aug 12, 2024 at 3:12 PM kong lingling wrote: > > gcc/ChangeLog: > > > >PR target/113729 > >* config/i386/i386.md (*subqi_1_zext): New > >define_insn. > >(*subhi_1_zext): Ditto. > >(*addqi3_carry_zext): Ditto. >

[PATCH 2/4] i386: Optimization for APX NDD is always zero-uppered for sub/adc/sbb

2024-08-12 Thread kong lingling
gcc/ChangeLog: PR target/113729 * config/i386/i386.md (*subqi_1_zext): New define_insn. (*subhi_1_zext): Ditto. (*addqi3_carry_zext): Ditto. (*addhi3_carry_zext): Ditto. (*addqi3_carry_