compiler_rt: correctly export allrem and aullrem for i386-windows-msvc

Author: kubkon

lib/compiler_rt.zig

@@ -62,6 +62,7 @@ comptime {
     _ = @import("compiler_rt/emutls.zig");
     _ = @import("compiler_rt/arm.zig");
     _ = @import("compiler_rt/aulldiv.zig");
+    _ = @import("compiler_rt/aullrem.zig");
     _ = @import("compiler_rt/sparc.zig");
     _ = @import("compiler_rt/clear_cache.zig");
 

lib/compiler_rt/aulldiv.zig

@@ -10,8 +10,6 @@ comptime {
         // Don't let LLVM apply the stdcall name mangling on those MSVC builtins
         @export(_alldiv, .{ .name = "\x01__alldiv", .linkage = linkage });
         @export(_aulldiv, .{ .name = "\x01__aulldiv", .linkage = linkage });
-        @export(_allrem, .{ .name = "\x01__allrem", .linkage = linkage });
-        @export(_aullrem, .{ .name = "\x01__aullrem", .linkage = linkage });
     }
 }
 

lib/compiler_rt/aullrem.zig

@@ -1,4 +1,17 @@
+const std = @import("std");
 const builtin = @import("builtin");
+const arch = builtin.cpu.arch;
+const abi = builtin.abi;
+const linkage: std.builtin.GlobalLinkage = if (builtin.is_test) .Internal else .Strong;
+pub const panic = @import("common.zig").panic;
+
+comptime {
+    if (arch == .i386 and abi == .msvc) {
+        // Don't let LLVM apply the stdcall name mangling on those MSVC builtins
+        @export(_allrem, .{ .name = "\x01__allrem", .linkage = linkage });
+        @export(_aullrem, .{ .name = "\x01__aullrem", .linkage = linkage });
+    }
+}
 
 pub fn _allrem(a: i64, b: i64) callconv(.Stdcall) i64 {
     @setRuntimeSafety(builtin.is_test);

src/compiler_rt.zig

@@ -227,6 +227,7 @@ const sources = &[_][]const u8{
     "compiler_rt/emutls.zig",
     "compiler_rt/arm.zig",
     "compiler_rt/aulldiv.zig",
+    "compiler_rt/aullrem.zig",
     "compiler_rt/sparc.zig",
     "compiler_rt/clear_cache.zig",
 };