67 lines
2.7 KiB
Zig
67 lines
2.7 KiB
Zig
const builtin = @import("builtin");
|
|
|
|
export nakedcc fn _aullrem() {
|
|
@setDebugSafety(this, false);
|
|
|
|
if (comptime builtin.os == builtin.Os.windows) {
|
|
if (comptime builtin.arch == builtin.Arch.i386) {
|
|
asm volatile (
|
|
\\.intel_syntax noprefix
|
|
\\
|
|
\\ push ebx
|
|
\\ mov eax,dword ptr [esp+14h]
|
|
\\ or eax,eax
|
|
\\ jne L1a
|
|
\\ mov ecx,dword ptr [esp+10h]
|
|
\\ mov eax,dword ptr [esp+0Ch]
|
|
\\ xor edx,edx
|
|
\\ div ecx
|
|
\\ mov eax,dword ptr [esp+8]
|
|
\\ div ecx
|
|
\\ mov eax,edx
|
|
\\ xor edx,edx
|
|
\\ jmp L2a
|
|
\\ L1a:
|
|
\\ mov ecx,eax
|
|
\\ mov ebx,dword ptr [esp+10h]
|
|
\\ mov edx,dword ptr [esp+0Ch]
|
|
\\ mov eax,dword ptr [esp+8]
|
|
\\ L3a:
|
|
\\ shr ecx,1
|
|
\\ rcr ebx,1
|
|
\\ shr edx,1
|
|
\\ rcr eax,1
|
|
\\ or ecx,ecx
|
|
\\ jne L3a
|
|
\\ div ebx
|
|
\\ mov ecx,eax
|
|
\\ mul dword ptr [esp+14h]
|
|
\\ xchg eax,ecx
|
|
\\ mul dword ptr [esp+10h]
|
|
\\ add edx,ecx
|
|
\\ jb L4a
|
|
\\ cmp edx,dword ptr [esp+0Ch]
|
|
\\ ja L4a
|
|
\\ jb L5a
|
|
\\ cmp eax,dword ptr [esp+8]
|
|
\\ jbe L5a
|
|
\\ L4a:
|
|
\\ sub eax,dword ptr [esp+10h]
|
|
\\ sbb edx,dword ptr [esp+14h]
|
|
\\ L5a:
|
|
\\ sub eax,dword ptr [esp+8]
|
|
\\ sbb edx,dword ptr [esp+0Ch]
|
|
\\ neg edx
|
|
\\ neg eax
|
|
\\ sbb edx,0
|
|
\\ L2a:
|
|
\\ pop ebx
|
|
\\ ret 10h
|
|
);
|
|
unreachable;
|
|
}
|
|
}
|
|
|
|
@setGlobalLinkage(_aullrem, builtin.GlobalLinkage.Internal);
|
|
}
|