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Add windows x86_64 i128 abi workaround

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This commit is contained in:
Marc Tiehuis 2018-06-14 21:18:36 +12:00
parent 9110140514
commit a369d69c51
4 changed files with 25 additions and 4 deletions
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10
std/special/compiler_rt/divti3.zig
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@ -1,5 +1,6 @@
const udivmod = @import("udivmod.zig").udivmod;
const builtin = @import("builtin");
const compiler_rt = @import("index.zig");
pub extern fn __divti3(a: i128, b: i128) i128 {
@setRuntimeSafety(builtin.is_test);
@ -14,3 +15,12 @@ pub extern fn __divti3(a: i128, b: i128) i128 {
const s = s_a ^ s_b;
return (i128(r) ^ s) -% s;
}
pub extern fn __divti3_windows_x86_64(a: *const i128, b: *const i128) void {
@setRuntimeSafety(builtin.is_test);
compiler_rt.setXmm0(i128, __divti3(a.*, b.*));
}
test "import divti3" {
_ = @import("divti3_test.zig");
}

7
std/special/compiler_rt/index.zig
View File

@ -38,9 +38,6 @@ comptime {
@export("__umoddi3", __umoddi3, linkage);
@export("__udivmodsi4", __udivmodsi4, linkage);
@export("__divti3", @import("divti3.zig").__divti3, linkage);
@export("__muloti4", @import("muloti4.zig").__muloti4, linkage);
if (isArmArch()) {
@export("__aeabi_uldivmod", __aeabi_uldivmod, linkage);
@export("__aeabi_uidivmod", __aeabi_uidivmod, linkage);
@ -61,6 +58,8 @@ comptime {
@export("__chkstk", __chkstk, strong_linkage);
@export("___chkstk_ms", ___chkstk_ms, linkage);
}
@export("__divti3", @import("divti3.zig").__divti3_windows_x86_64, linkage);
@export("__muloti4", @import("muloti4.zig").__muloti4_windows_x86_64, linkage);
@export("__udivti3", @import("udivti3.zig").__udivti3_windows_x86_64, linkage);
@export("__udivmodti4", @import("udivmodti4.zig").__udivmodti4_windows_x86_64, linkage);
@export("__umodti3", @import("umodti3.zig").__umodti3_windows_x86_64, linkage);
@ -68,6 +67,8 @@ comptime {
else => {},
}
} else {
@export("__divti3", @import("divti3.zig").__divti3, linkage);
@export("__muloti4", @import("muloti4.zig").__muloti4, linkage);
@export("__udivti3", @import("udivti3.zig").__udivti3, linkage);
@export("__udivmodti4", @import("udivmodti4.zig").__udivmodti4, linkage);
@export("__umodti3", @import("umodti3.zig").__umodti3, linkage);

10
std/special/compiler_rt/muloti4.zig
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@ -1,5 +1,6 @@
const udivmod = @import("udivmod.zig").udivmod;
const builtin = @import("builtin");
const compiler_rt = @import("index.zig");
pub extern fn __muloti4(a: i128, b: i128, overflow: *c_int) i128 {
@setRuntimeSafety(builtin.is_test);
@ -43,3 +44,12 @@ pub extern fn __muloti4(a: i128, b: i128, overflow: *c_int) i128 {
return r;
}
pub extern fn __muloti4_windows_x86_64(a: *const i128, b: *const i128, overflow: *c_int) void {
@setRuntimeSafety(builtin.is_test);
compiler_rt.setXmm0(i128, __muloti4(a.*, b.*, overflow));
}
test "import muloti4" {
_ = @import("muloti4_test.zig");
}

2
std/special/compiler_rt/muloti4_test.zig
View File

@ -4,7 +4,7 @@ const assert = @import("std").debug.assert;
fn test__muloti4(a: i128, b: i128, expected: i128, expected_overflow: c_int) void {
var overflow: c_int = undefined;
const x = __muloti4(a, b, &overflow);
assert(overflow == expected_overflow and (overflow != 0 or x == expected));
assert(overflow == expected_overflow and (expected_overflow != 0 or x == expected));
}
test "muloti4" {