Re: [PATCH] i386: Add more peephole2 for APX NDD

2025-06-03 Thread Hongtao Liu
On Thu, May 29, 2025 at 4:56 PM Hu, Lin1 wrote: > > Hi, > > The patch aims to optimize > movb(%rdi), %al > movq%rdi, %rbx > xorl%esi, %eax, %edx > movb%dl, (%rdi) > cmpb%sil, %al > jne > to > xorb%sil, (%rdi) >

[PATCH] i386: Add more peephole2 for APX NDD

2025-05-29 Thread Hu, Lin1
Hi, The patch aims to optimize movb(%rdi), %al movq%rdi, %rbx xorl%esi, %eax, %edx movb%dl, (%rdi) cmpb%sil, %al jne to xorb%sil, (%rdi) movq%rdi, %rbx jne Reduce 2 mov and 1 cmp instructi