authorgravatar for andrew@ziglang.orgAndrew Kelley <andrew@ziglang.org> 2017-09-30 13:58:05-04:00
committergravatar for andrew@ziglang.orgAndrew Kelley <andrew@ziglang.org> 2017-09-30 13:58:05-04:00
log9c6e12ac2950264bc129fdd04d596ddbe22d8dc9
tree3471a8e10772dcaef00c71615bfc09d5bc1c9f77
parentb7a4f16cc4f7c6bddc312798052a7738db8a5fc2

compiler-rt: add _aulldiv and _aullrem for i386 windows

4 files changed, 135 insertions(+), 0 deletions(-)

CMakeLists.txt+2
......@@ -563,6 +563,8 @@ install(FILES "${CMAKE_SOURCE_DIR}/std/special/bootstrap.zig" DESTINATION "${ZIG
563563install(FILES "${CMAKE_SOURCE_DIR}/std/special/build_file_template.zig" DESTINATION "${ZIG_STD_DEST}/special")
564564install(FILES "${CMAKE_SOURCE_DIR}/std/special/build_runner.zig" DESTINATION "${ZIG_STD_DEST}/special")
565565install(FILES "${CMAKE_SOURCE_DIR}/std/special/builtin.zig" DESTINATION "${ZIG_STD_DEST}/special")
566install(FILES "${CMAKE_SOURCE_DIR}/std/special/compiler_rt/aulldiv.zig" DESTINATION "${ZIG_STD_DEST}/special/compiler_rt")
567install(FILES "${CMAKE_SOURCE_DIR}/std/special/compiler_rt/aullrem.zig" DESTINATION "${ZIG_STD_DEST}/special/compiler_rt")
566568install(FILES "${CMAKE_SOURCE_DIR}/std/special/compiler_rt/comparetf2.zig" DESTINATION "${ZIG_STD_DEST}/special/compiler_rt")
567569install(FILES "${CMAKE_SOURCE_DIR}/std/special/compiler_rt/fixuint.zig" DESTINATION "${ZIG_STD_DEST}/special/compiler_rt")
568570install(FILES "${CMAKE_SOURCE_DIR}/std/special/compiler_rt/fixunsdfdi.zig" DESTINATION "${ZIG_STD_DEST}/special/compiler_rt")
std/special/compiler_rt/aulldiv.zig created+65
......@@ -0,0 +1,65 @@
1const builtin = @import("builtin");
2
3export nakedcc fn _aulldiv() {
4 @setDebugSafety(this, false);
5
6 if (comptime builtin.os == builtin.Os.windows) {
7 if (comptime builtin.arch == builtin.Arch.i386) {
8 asm volatile (
9 \\.intel_syntax noprefix
10 \\
11 \\ push ebx
12 \\ push esi
13 \\ mov eax,dword ptr [esp+18h]
14 \\ or eax,eax
15 \\ jne L1
16 \\ mov ecx,dword ptr [esp+14h]
17 \\ mov eax,dword ptr [esp+10h]
18 \\ xor edx,edx
19 \\ div ecx
20 \\ mov ebx,eax
21 \\ mov eax,dword ptr [esp+0Ch]
22 \\ div ecx
23 \\ mov edx,ebx
24 \\ jmp L2
25 \\ L1:
26 \\ mov ecx,eax
27 \\ mov ebx,dword ptr [esp+14h]
28 \\ mov edx,dword ptr [esp+10h]
29 \\ mov eax,dword ptr [esp+0Ch]
30 \\ L3:
31 \\ shr ecx,1
32 \\ rcr ebx,1
33 \\ shr edx,1
34 \\ rcr eax,1
35 \\ or ecx,ecx
36 \\ jne L3
37 \\ div ebx
38 \\ mov esi,eax
39 \\ mul dword ptr [esp+18h]
40 \\ mov ecx,eax
41 \\ mov eax,dword ptr [esp+14h]
42 \\ mul esi
43 \\ add edx,ecx
44 \\ jb L4
45 \\ cmp edx,dword ptr [esp+10h]
46 \\ ja L4
47 \\ jb L5
48 \\ cmp eax,dword ptr [esp+0Ch]
49 \\ jbe L5
50 \\ L4:
51 \\ dec esi
52 \\ L5:
53 \\ xor edx,edx
54 \\ mov eax,esi
55 \\ L2:
56 \\ pop esi
57 \\ pop ebx
58 \\ ret 10h
59 );
60 unreachable;
61 }
62 }
63
64 @setGlobalLinkage(_aulldiv, builtin.GlobalLinkage.Internal);
65}
std/special/compiler_rt/aullrem.zig created+66
......@@ -0,0 +1,66 @@
1const builtin = @import("builtin");
2
3export nakedcc fn _aullrem() {
4 @setDebugSafety(this, false);
5
6 if (comptime builtin.os == builtin.Os.windows) {
7 if (comptime builtin.arch == builtin.Arch.i386) {
8 asm volatile (
9 \\.intel_syntax noprefix
10 \\
11 \\ push ebx
12 \\ mov eax,dword ptr [esp+14h]
13 \\ or eax,eax
14 \\ jne L1a
15 \\ mov ecx,dword ptr [esp+10h]
16 \\ mov eax,dword ptr [esp+0Ch]
17 \\ xor edx,edx
18 \\ div ecx
19 \\ mov eax,dword ptr [esp+8]
20 \\ div ecx
21 \\ mov eax,edx
22 \\ xor edx,edx
23 \\ jmp L2a
24 \\ L1a:
25 \\ mov ecx,eax
26 \\ mov ebx,dword ptr [esp+10h]
27 \\ mov edx,dword ptr [esp+0Ch]
28 \\ mov eax,dword ptr [esp+8]
29 \\ L3a:
30 \\ shr ecx,1
31 \\ rcr ebx,1
32 \\ shr edx,1
33 \\ rcr eax,1
34 \\ or ecx,ecx
35 \\ jne L3a
36 \\ div ebx
37 \\ mov ecx,eax
38 \\ mul dword ptr [esp+14h]
39 \\ xchg eax,ecx
40 \\ mul dword ptr [esp+10h]
41 \\ add edx,ecx
42 \\ jb L4a
43 \\ cmp edx,dword ptr [esp+0Ch]
44 \\ ja L4a
45 \\ jb L5a
46 \\ cmp eax,dword ptr [esp+8]
47 \\ jbe L5a
48 \\ L4a:
49 \\ sub eax,dword ptr [esp+10h]
50 \\ sbb edx,dword ptr [esp+14h]
51 \\ L5a:
52 \\ sub eax,dword ptr [esp+8]
53 \\ sbb edx,dword ptr [esp+0Ch]
54 \\ neg edx
55 \\ neg eax
56 \\ sbb edx,0
57 \\ L2a:
58 \\ pop ebx
59 \\ ret 10h
60 );
61 unreachable;
62 }
63 }
64
65 @setGlobalLinkage(_aullrem, builtin.GlobalLinkage.Internal);
66}
std/special/compiler_rt/index.zig+2
......@@ -13,6 +13,8 @@ comptime {
1313 _ = @import("udivmodti4.zig");
1414 _ = @import("udivti3.zig");
1515 _ = @import("umodti3.zig");
16 _ = @import("aulldiv.zig");
17 _ = @import("aullrem.zig");
1618}
1719
1820const builtin = @import("builtin");