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std.os.windows: remove volatile from inline asm

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This inline assembly has no side effects.
This commit is contained in:
Andrew Kelley
2023-11-22 15:32:37 -07:00
parent aa31096cbd
commit 6fc20b3b09
1 changed files with 3 additions and 3 deletions
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6
lib/std/os/windows.zig
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@@ -1927,7 +1927,7 @@ pub fn teb() *TEB {
if (builtin.zig_backend == .stage2_c) {
break :blk @ptrCast(@alignCast(zig_x86_windows_teb()));
} else {
break :blk asm volatile (
break :blk asm (
\\ movl %%fs:0x18, %[ptr]
: [ptr] "=r" (-> *TEB),
);
@@ -1937,13 +1937,13 @@ pub fn teb() *TEB {
if (builtin.zig_backend == .stage2_c) {
break :blk @ptrCast(@alignCast(zig_x86_64_windows_teb()));
} else {
break :blk asm volatile (
break :blk asm (
\\ movq %%gs:0x30, %[ptr]
: [ptr] "=r" (-> *TEB),
);
}
},
.aarch64 => asm volatile (
.aarch64 => asm (
\\ mov %[ptr], x18
: [ptr] "=r" (-> *TEB),
),