Commit 9c6e12ac29
Changed files (4)
std
special
compiler_rt
std/special/compiler_rt/aulldiv.zig
@@ -0,0 +1,65 @@
+const builtin = @import("builtin");
+
+export nakedcc fn _aulldiv() {
+ @setDebugSafety(this, false);
+
+ if (comptime builtin.os == builtin.Os.windows) {
+ if (comptime builtin.arch == builtin.Arch.i386) {
+ asm volatile (
+ \\.intel_syntax noprefix
+ \\
+ \\ push ebx
+ \\ push esi
+ \\ mov eax,dword ptr [esp+18h]
+ \\ or eax,eax
+ \\ jne L1
+ \\ mov ecx,dword ptr [esp+14h]
+ \\ mov eax,dword ptr [esp+10h]
+ \\ xor edx,edx
+ \\ div ecx
+ \\ mov ebx,eax
+ \\ mov eax,dword ptr [esp+0Ch]
+ \\ div ecx
+ \\ mov edx,ebx
+ \\ jmp L2
+ \\ L1:
+ \\ mov ecx,eax
+ \\ mov ebx,dword ptr [esp+14h]
+ \\ mov edx,dword ptr [esp+10h]
+ \\ mov eax,dword ptr [esp+0Ch]
+ \\ L3:
+ \\ shr ecx,1
+ \\ rcr ebx,1
+ \\ shr edx,1
+ \\ rcr eax,1
+ \\ or ecx,ecx
+ \\ jne L3
+ \\ div ebx
+ \\ mov esi,eax
+ \\ mul dword ptr [esp+18h]
+ \\ mov ecx,eax
+ \\ mov eax,dword ptr [esp+14h]
+ \\ mul esi
+ \\ add edx,ecx
+ \\ jb L4
+ \\ cmp edx,dword ptr [esp+10h]
+ \\ ja L4
+ \\ jb L5
+ \\ cmp eax,dword ptr [esp+0Ch]
+ \\ jbe L5
+ \\ L4:
+ \\ dec esi
+ \\ L5:
+ \\ xor edx,edx
+ \\ mov eax,esi
+ \\ L2:
+ \\ pop esi
+ \\ pop ebx
+ \\ ret 10h
+ );
+ unreachable;
+ }
+ }
+
+ @setGlobalLinkage(_aulldiv, builtin.GlobalLinkage.Internal);
+}
std/special/compiler_rt/aullrem.zig
@@ -0,0 +1,66 @@
+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);
+}
std/special/compiler_rt/index.zig
@@ -13,6 +13,8 @@ comptime {
_ = @import("udivmodti4.zig");
_ = @import("udivti3.zig");
_ = @import("umodti3.zig");
+ _ = @import("aulldiv.zig");
+ _ = @import("aullrem.zig");
}
const builtin = @import("builtin");
CMakeLists.txt
@@ -563,6 +563,8 @@ install(FILES "${CMAKE_SOURCE_DIR}/std/special/bootstrap.zig" DESTINATION "${ZIG
install(FILES "${CMAKE_SOURCE_DIR}/std/special/build_file_template.zig" DESTINATION "${ZIG_STD_DEST}/special")
install(FILES "${CMAKE_SOURCE_DIR}/std/special/build_runner.zig" DESTINATION "${ZIG_STD_DEST}/special")
install(FILES "${CMAKE_SOURCE_DIR}/std/special/builtin.zig" DESTINATION "${ZIG_STD_DEST}/special")
+install(FILES "${CMAKE_SOURCE_DIR}/std/special/compiler_rt/aulldiv.zig" DESTINATION "${ZIG_STD_DEST}/special/compiler_rt")
+install(FILES "${CMAKE_SOURCE_DIR}/std/special/compiler_rt/aullrem.zig" DESTINATION "${ZIG_STD_DEST}/special/compiler_rt")
install(FILES "${CMAKE_SOURCE_DIR}/std/special/compiler_rt/comparetf2.zig" DESTINATION "${ZIG_STD_DEST}/special/compiler_rt")
install(FILES "${CMAKE_SOURCE_DIR}/std/special/compiler_rt/fixuint.zig" DESTINATION "${ZIG_STD_DEST}/special/compiler_rt")
install(FILES "${CMAKE_SOURCE_DIR}/std/special/compiler_rt/fixunsdfdi.zig" DESTINATION "${ZIG_STD_DEST}/special/compiler_rt")