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From: Alan Modra <amodra@sourceware.org> To: glibc-cvs@sourceware.org Subject: [glibc] elf/tst-tlsopt-powerpc fails when compiled with -mcpu=power10 (BZ# 29776) Date: Mon, 14 Nov 2022 11:35:09 +0000 (GMT) [thread overview] Message-ID: <20221114113509.383783858D32@sourceware.org> (raw) https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=94628de77888c3292fc103840731ff85f283368e commit 94628de77888c3292fc103840731ff85f283368e 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. Diff: --- sysdeps/powerpc/mod-tlsopt-powerpc.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/sysdeps/powerpc/mod-tlsopt-powerpc.c b/sysdeps/powerpc/mod-tlsopt-powerpc.c index 2a82e53baf..d941024963 100644 --- a/sysdeps/powerpc/mod-tlsopt-powerpc.c +++ b/sysdeps/powerpc/mod-tlsopt-powerpc.c @@ -22,7 +22,11 @@ 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"
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