commit d0e2ac0c5902bd0e671863cc6cb14024d0365e67
Author: Alan Modra <amodra@gmail.com>
Date: Sat Nov 12 11:20:31 2022 +1030
elf/tst-tlsopt-powerpc fails when compiled with -mcpu=power10 (BZ# 29776)
Supports pcrel addressing of TLS GOT entry. Also tweak the non-pcrel
asm constraint to better reflect how the reg is used.
(cherry picked from commit 94628de77888c3292fc103840731ff85f283368e)
diff --git a/sysdeps/powerpc/mod-tlsopt-powerpc.c b/sysdeps/powerpc/mod-tlsopt-powerpc.c
index ee0db12a737d6ab5..51cc502f2860e969 100644
--- a/sysdeps/powerpc/mod-tlsopt-powerpc.c
+++ b/sysdeps/powerpc/mod-tlsopt-powerpc.c
@@ -24,7 +24,11 @@ tls_get_addr_opt_test (void)
tls_index *tls_arg;
#ifdef __powerpc64__
register unsigned long thread_pointer __asm__ ("r13");
- asm ("addi %0,2,foo@got@tlsgd" : "=r" (tls_arg));
+# ifdef __PCREL__
+ asm ("paddi %0,0,foo@got@tlsgd@pcrel,1" : "=b" (tls_arg));
+# else
+ asm ("addi %0,2,foo@got@tlsgd" : "=b" (tls_arg));
+# endif
#else
register unsigned long thread_pointer __asm__ ("r2");
asm ("bcl 20,31,1f\n1:\t"