[llvm-bugs] [Bug 32530] inline assembly incompatibility between gcc and clang - mov with offset in intel dialect

via llvm-bugs llvm-bugs at lists.llvm.org
Sun Nov 21 10:24:21 PST 2021


https://bugs.llvm.org/show_bug.cgi?id=32530

Nico Weber <nicolasweber at gmx.de> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|CONFIRMED                   |RESOLVED
         Resolution|---                         |FIXED

--- Comment #4 from Nico Weber <nicolasweber at gmx.de> ---
epastor fixed this a while ago in https://reviews.llvm.org/D71436

% cat hello_linux.s
.intel_syntax noprefix
.text
.globl _start

_start:
    mov rax, 1
    mov rdi, 1
    mov rsi, offset msg
    mov rdx, 14
    syscall

    mov rax, 60
    mov rdi, 0
    syscall

.data
msg:
    .ascii "Hello, world!\n"

% out/gn/bin/clang --target=x86_64-unknown-linux-gnu hello_linux.s -nostdlib
-fuse-ld=lld
% echo $?
0

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