From: mutazilah@nospicedham.gmail.com   
      
   On 19/01/24 21:42, Paul Edwards wrote:   
      
   > LM1873:   
   >         movl    $4294967295, %eax   
    >         addq    -64(%rbp), %rax   
    >         movsbl  (%rax),%esi   
    >         movl    $LC445, %edi   
    >         movb    $0, %al   
    >         call    _printf   
      
   This has now been resolved. I wasn't building my   
   modified gcc 3.2.3 properly, so it thought that   
   size_t was 32 bits instead of 64 and was making   
   it unsigned.   
      
   Now I am getting working code:   
      
   D:\devel\gcc\gcc>type foo.s   
            .file   "foo.c"   
            .text   
            .p2align 2,,3   
   .globl foo   
   foo:   
   .LFB1:   
            movsbl  -1(%rcx),%eax   
            ret   
   .LFE1:   
      
   D:\devel\gcc\gcc>   
      
      
   (rcx is because one of my modifications is to use   
   Win64 function call convention)   
      
   BFN. Paul.   
      
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