Re: [Boost-users] [review][fixed_string] FixedString review starts today

From: Peter Dimov (pdimov_at_[hidden])
Date: 2019-11-29 07:50:42

> https://godbolt.org/z/Z37Pmx
> https://godbolt.org/z/CXHRKQ

I forgot to maintain a 0 terminator in this sketch; it's even worse with it.

.L5:
        add     rax, 1
        movzx   ecx, BYTE PTR [rdx]
        cmp     rax, 512
        ja      .L11
        add     rdx, 1
        mov     BYTE PTR [rdi+7+rax], cl
        mov     BYTE PTR [rdi+8+rax], 0
        mov     QWORD PTR [rdi], rax
        cmp     rsi, rdx
        jne     .L5

https://godbolt.org/z/nhYZQY

.L3:
        movzx   ecx, BYTE PTR [rdx+rax]
        mov     BYTE PTR [rdi+8+rax], cl
        add     rax, 1
        mov     BYTE PTR [rdi+8+rax], 0
        mov     QWORD PTR [rdi], rax
        cmp     r8, rax
        jne     .L3

https://godbolt.org/z/pGJRWs