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| author | Richard Qin <richard.qin.x@gmail.com> | 2026-07-10 11:31:46 +0800 |
|---|---|---|
| committer | Richard Qin <richard.qin.x@gmail.com> | 2026-07-10 11:31:46 +0800 |
| commit | e90b72ec3082588b296956730bd2930cf8d5d671 (patch) | |
| tree | 36ff6916af9b4176ea5a9662219d11e721f0b691 /na/lib/string/x86_64/memset.s | |
| parent | 1767d390fbf3d0c65389de46caf0b6d43ef3b6ad (diff) | |
| download | lume-e90b72ec3082588b296956730bd2930cf8d5d671.tar.gz lume-e90b72ec3082588b296956730bd2930cf8d5d671.tar.xz | |
refactor: promote new architecture to repository root
Archive the deprecated implementation under lume-legacy, make the new kernel the default root-level build, and update repository entry points without changing kernel behavior.
Diffstat (limited to 'na/lib/string/x86_64/memset.s')
| -rw-r--r-- | na/lib/string/x86_64/memset.s | 72 |
1 files changed, 0 insertions, 72 deletions
diff --git a/na/lib/string/x86_64/memset.s b/na/lib/string/x86_64/memset.s deleted file mode 100644 index 2d3f5e5..0000000 --- a/na/lib/string/x86_64/memset.s +++ /dev/null @@ -1,72 +0,0 @@ -.global memset -.type memset,@function -memset: - movzbq %sil,%rax - mov $0x101010101010101,%r8 - imul %r8,%rax - - cmp $126,%rdx - ja 2f - - test %edx,%edx - jz 1f - - mov %sil,(%rdi) - mov %sil,-1(%rdi,%rdx) - cmp $2,%edx - jbe 1f - - mov %ax,1(%rdi) - mov %ax,(-1-2)(%rdi,%rdx) - cmp $6,%edx - jbe 1f - - mov %eax,(1+2)(%rdi) - mov %eax,(-1-2-4)(%rdi,%rdx) - cmp $14,%edx - jbe 1f - - mov %rax,(1+2+4)(%rdi) - mov %rax,(-1-2-4-8)(%rdi,%rdx) - cmp $30,%edx - jbe 1f - - mov %rax,(1+2+4+8)(%rdi) - mov %rax,(1+2+4+8+8)(%rdi) - mov %rax,(-1-2-4-8-16)(%rdi,%rdx) - mov %rax,(-1-2-4-8-8)(%rdi,%rdx) - cmp $62,%edx - jbe 1f - - mov %rax,(1+2+4+8+16)(%rdi) - mov %rax,(1+2+4+8+16+8)(%rdi) - mov %rax,(1+2+4+8+16+16)(%rdi) - mov %rax,(1+2+4+8+16+24)(%rdi) - mov %rax,(-1-2-4-8-16-32)(%rdi,%rdx) - mov %rax,(-1-2-4-8-16-24)(%rdi,%rdx) - mov %rax,(-1-2-4-8-16-16)(%rdi,%rdx) - mov %rax,(-1-2-4-8-16-8)(%rdi,%rdx) - -1: mov %rdi,%rax - ret - -2: test $15,%edi - mov %rdi,%r8 - mov %rax,-8(%rdi,%rdx) - mov %rdx,%rcx - jnz 2f - -1: shr $3,%rcx - rep - stosq - mov %r8,%rax - ret - -2: xor %edx,%edx - sub %edi,%edx - and $15,%edx - mov %rax,(%rdi) - mov %rax,8(%rdi) - sub %rdx,%rcx - add %rdx,%rdi - jmp 1b |
