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-rw-r--r--libc/sysdeps/linux/sh/clone.S16
1 files changed, 16 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/sh/clone.S b/libc/sysdeps/linux/sh/clone.S
index 4374a634e..3ed6b25de 100644
--- a/libc/sysdeps/linux/sh/clone.S
+++ b/libc/sysdeps/linux/sh/clone.S
@@ -53,8 +53,24 @@ ENTRY(__clone)
mov #+SYS_ify(clone), r3
trapa #0x15
mov r0, r1
+#ifdef __sh2__
+/* 12 arithmetic shifts for the sh2, because shad doesn't exist! */
+ shar r1
+ shar r1
+ shar r1
+ shar r1
+ shar r1
+ shar r1
+ shar r1
+ shar r1
+ shar r1
+ shar r1
+ shar r1
+ shar r1
+#else
mov #-12, r2
shad r2, r1
+#endif
not r1, r1 // r1=0 means r0 = -1 to -4095
tst r1, r1 // i.e. error in linux
bf .Lclone_end