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mips: fix syscall_pipe

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Previously the fd parameter was ignored and so the result would not get
populated. Now it passes the fd pointer to the inline assembly so that
the results can be observed.
This commit is contained in:
Andrew Kelley 2021-06-21 14:13:43 -07:00
parent af9a2c7c50
commit d279a23c93
1 changed files with 2 additions and 2 deletions
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4
lib/std/os/linux/mips.zig
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@ -18,7 +18,6 @@ pub fn syscall0(number: SYS) usize {
}
pub fn syscall_pipe(fd: *[2]i32) usize {
_ = fd;
return asm volatile (
\\ .set noat
\\ .set noreorder
@ -32,7 +31,8 @@ pub fn syscall_pipe(fd: *[2]i32) usize {
\\ sw $3, 4($4)
\\ 2:
: [ret] "={$2}" (-> usize)
: [number] "{$2}" (@enumToInt(SYS.pipe))
: [number] "{$2}" (@enumToInt(SYS.pipe)),
[fd] "{$4}" (fd)
: "memory", "cc", "$7"
);
}