From Newsgroup: comp.lang.asm.x86
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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