mirror/zig
1
0
Fork 0
mirror of https://github.com/ziglang/zig.git synced 2025-12-30 18:13:19 +00:00
Code Issues Packages Projects Releases Wiki Activity

Add missing clobbers to context switching

Browse Source 
This only shows in release mode, the compiler tries to preserve some
value in rdi, but that gets replaced inside the fiber. This would not
happen in the C calling convention, but in these normal Zig functions,
it can happen.
This commit is contained in:
Lukas Lalinsky 2025-10-09 08:52:52 +02:00 committed by Andrew Kelley
parent 7d478114ec
commit fcac8617b4
1 changed files with 2 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
lib/std/Io/EventLoop.zig
View File

@ -644,6 +644,7 @@ inline fn contextSwitch(message: *const SwitchMessage) *const SwitchMessage {
: [received_message] "={x1}" (-> *const @FieldType(SwitchMessage, "contexts")),
: [message_to_send] "{x1}" (&message.contexts),
: .{
.x0 = true,
.x1 = true,
.x2 = true,
.x3 = true,
@ -745,6 +746,7 @@ inline fn contextSwitch(message: *const SwitchMessage) *const SwitchMessage {
.rdx = true,
.rbx = true,
.rsi = true,
.rdi = true,
.r8 = true,
.r9 = true,
.r10 = true,