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| author | Jacob Young <15544577+jacobly0@users.noreply.github.com> | 2025-06-20 00:20:56 -0400 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2025-06-20 00:20:56 -0400 |
| commit | cf1a7bbd44b9542552c7b5dc6532aafb5142bf7a (patch) | |
| tree | 23d82265b3a4500514063f0fa13533b255f88f64 /lib/std/start.zig | |
| parent | f5a327cd366348a739a282f380acd627815183b5 (diff) | |
| parent | 1f98c98fffb09bf15a9fc04ecd5f1fa38a4bd4b8 (diff) | |
| download | zig-cf1a7bbd44b9542552c7b5dc6532aafb5142bf7a.tar.gz zig-cf1a7bbd44b9542552c7b5dc6532aafb5142bf7a.zip | |
Merge pull request #24193 from jacobly0/x86_64-spring-cleaning
x86_64: increase passing test coverage on windows
Diffstat (limited to 'lib/std/start.zig')
| -rw-r--r-- | lib/std/start.zig | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/lib/std/start.zig b/lib/std/start.zig index 364844e54d..a74b83fe81 100644 --- a/lib/std/start.zig +++ b/lib/std/start.zig @@ -485,6 +485,9 @@ fn _start() callconv(.naked) noreturn { } fn WinStartup() callconv(.withStackAlign(.c, 1)) noreturn { + // Switch from the x87 fpu state set by windows to the state expected by the gnu abi. + if (builtin.abi == .gnu) asm volatile ("fninit"); + if (!builtin.single_threaded and !builtin.link_libc) { _ = @import("os/windows/tls.zig"); } @@ -495,6 +498,9 @@ fn WinStartup() callconv(.withStackAlign(.c, 1)) noreturn { } fn wWinMainCRTStartup() callconv(.withStackAlign(.c, 1)) noreturn { + // Switch from the x87 fpu state set by windows to the state expected by the gnu abi. + if (builtin.abi == .gnu) asm volatile ("fninit"); + if (!builtin.single_threaded and !builtin.link_libc) { _ = @import("os/windows/tls.zig"); } |