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 ddb3103cfa075bbea85ade2d99c883faa8585c3b..a04a592f3bde308480c3660b21167581f242e85d 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"
     );
 }
-- 
2.54.0