diff --git a/lib/std/os/linux/hexagon.zig b/lib/std/os/linux/hexagon.zig
index 3777c1510449d0e937b1e392b21e33e9c524c00d..8e6898f8e05e3fe3feb45bf9da6424ef5baa5e63 100644
--- a/lib/std/os/linux/hexagon.zig
+++ b/lib/std/os/linux/hexagon.zig
@@ -136,7 +136,6 @@ pub fn clone() callconv(.naked) u32 {
         \\ callr r11
         \\
         \\ r6 = #93 // SYS_exit
-        \\ r0 = #0
         \\ trap0(#1)
     );
 }
diff --git a/lib/std/os/linux/microblaze.zig b/lib/std/os/linux/microblaze.zig
index 00c3028bbb94bf6fd32b14b443bbf61866dd739d..e524b0555a1bc317236758f3b3c11f49cefb4d24 100644
--- a/lib/std/os/linux/microblaze.zig
+++ b/lib/std/os/linux/microblaze.zig
@@ -144,6 +144,7 @@ pub fn clone() callconv(.naked) u32 {
         \\ brald r15, r3
         \\  nop
         \\
+        \\ ori r5, r3, 0
         \\ ori r12, r0, 1 # SYS_exit
         \\ brki r14, 0x8
     );
diff --git a/lib/std/os/linux/sh.zig b/lib/std/os/linux/sh.zig
index ca5e8f9c8a13796a9f0d3be5de882a25d112d1a3..b8f3cc8029a35ff910598d4a99465817e9450376 100644
--- a/lib/std/os/linux/sh.zig
+++ b/lib/std/os/linux/sh.zig
@@ -199,6 +199,7 @@ pub fn clone() callconv(.naked) u32 {
         \\  nop
         \\
         \\ mov #1, r3 ! SYS_exit
+        \\ mov r0, r4
         \\ trapa #31
         \\ or r0, r0
         \\ or r0, r0
diff --git a/lib/std/os/linux/xtensa.zig b/lib/std/os/linux/xtensa.zig
index 0bda5a9331365dea6c333818b1624cbfd7aba444..c3c7517abf32b85c5a7b1dc9991e84d745b52026 100644
--- a/lib/std/os/linux/xtensa.zig
+++ b/lib/std/os/linux/xtensa.zig
@@ -151,6 +151,8 @@ pub fn clone() callconv(.naked) u32 {
         \\
         \\ mov a2, a10
         \\ callx0 a9
+        \\
+        \\ mov a6, a2
     ) else asm volatile (
         \\ beqz a2, 1f
         \\ // parent