commit a33dc57c7c2b181cf7e76d843f8b031dbb6d4fa8
author Elliott Hughes <enh@google.com> Tue Jun 18 13:26:22 2013 -0700
committer Elliott Hughes <enh@google.com> Tue Jun 18 13:26:22 2013 -0700
tree 3b636334d84c588c26ef8f9aaa098639807c0c46
parent 6807af773f862750efb6860e00402580a5f463f3

Always use v1 for MIPS TLS access.

Change-Id: Ic2850b90185cfbc5b0eff804c8b74a1c553c0852

libc/private/bionic_tls.h

diff --git a/libc/private/bionic_tls.h b/libc/private/bionic_tls.h
index 225a617..61b894f 100644
--- a/libc/private/bionic_tls.h
+++ b/libc/private/bionic_tls.h
@@ -89,7 +89,8 @@
        (volatile void*) __val; })
 #elif defined(__mips__)
 # define __get_tls() \
-    ({ register unsigned int __val; \
+    /* On mips32r1, this goes via a kernel illegal instruction trap that's optimized for v1. */ \
+    ({ register unsigned int __val asm("v1"); \
        asm ("   .set    push\n" \
             "   .set    mips32r2\n" \
             "   rdhwr   %0,$29\n" \