Commit d279a23c93

Andrew Kelley <andrew@ziglang.org>
2021-06-21 23:13:43
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.
master
1 parent af9a2c7
Changed files (1)
lib
std
os
linux
mips.zig
lib/std/os/linux/mips.zig
@@ -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"
     );
 }