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/NEWS b/NEWS
index a70622df1d97a71cdbd8c2628abc2e1c2cd792fe..1999ad65d679337e889c87f9b11581d4d9383267 100644 (file)
--- a/NEWS
+++ b/NEWS
@@ -135,6 +135,7 @@ The following bugs are resolved with this release:
   [29657] libc: Incorrect struct stat for 64-bit time on linux/generic
     platforms
   [29771] Restore IPC_64 support in sysvipc *ctl functions
+  [29776] elf/tst-tlsopt-powerpc fails when compiled with -mcpu=power10
 
 \f
 Version 2.34

diff --git a/sysdeps/powerpc/mod-tlsopt-powerpc.c b/sysdeps/powerpc/mod-tlsopt-powerpc.c
index ee0db12a737d6ab5f824d266d228772051965e82..51cc502f2860e96982caf2085df74ec3d01a7b71 100644 (file)
--- 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"