From 5ef70b8b87399700026b0d314f28aee7de321382 Mon Sep 17 00:00:00 2001
From: Andrew Kelley <andrew@ziglang.org>
Date: Mon, 21 Jun 2021 14:13:43 -0700
Subject: [PATCH] mips: fix syscall_pipe

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.
---
 lib/std/os/linux/mips.zig | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/lib/std/os/linux/mips.zig b/lib/std/os/linux/mips.zig
index ddb3103cfa..a04a592f3b 100644
--- a/lib/std/os/linux/mips.zig
+++ b/lib/std/os/linux/mips.zig
@@ -31,7 +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"
     );
 }