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[binutils-gdb] Tweak ppc32 tls_get_addr optimisation
- From: Alan Modra <amodra at sourceware dot org>
- To: bfd-cvs at sourceware dot org
- Date: 28 Feb 2015 02:53:36 -0000
- Subject: [binutils-gdb] Tweak ppc32 tls_get_addr optimisation
https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=f01f1741df37f0330fbf2809df0ffddc992ff60c
commit f01f1741df37f0330fbf2809df0ffddc992ff60c
Author: Alan Modra <amodra@gmail.com>
Date: Fri Feb 27 11:43:21 2015 +1030
Tweak ppc32 tls_get_addr optimisation
This patch is cosmetic. It prevents references to __tls_get_addr_opt
(an alias for __tls_get_addr) when the optimisation isn't possible.
* elf32-ppc.c (ppc_elf_tls_setup): Set no_tls_get_addr_opt if
not PLT_NEW.
Diff:
---
bfd/ChangeLog | 5 +++++
bfd/elf32-ppc.c | 3 +++
2 files changed, 8 insertions(+)
diff --git a/bfd/ChangeLog b/bfd/ChangeLog
index 8cd5741..57bc637 100644
--- a/bfd/ChangeLog
+++ b/bfd/ChangeLog
@@ -1,3 +1,8 @@
+2015-02-28 Alan Modra <amodra@gmail.com>
+
+ * elf32-ppc.c (ppc_elf_tls_setup): Set no_tls_get_addr_opt if
+ not PLT_NEW.
+
2015-02-27 H.J. Lu <hongjiu.lu@intel.com>
* elf32-i386.c (need_convert_mov_to_lea): New.
diff --git a/bfd/elf32-ppc.c b/bfd/elf32-ppc.c
index cee589f..cc16b0d 100644
--- a/bfd/elf32-ppc.c
+++ b/bfd/elf32-ppc.c
@@ -5093,6 +5093,9 @@ ppc_elf_tls_setup (bfd *obfd, struct bfd_link_info *info)
htab = ppc_elf_hash_table (info);
htab->tls_get_addr = elf_link_hash_lookup (&htab->elf, "__tls_get_addr",
FALSE, FALSE, TRUE);
+ if (htab->plt_type != PLT_NEW)
+ htab->params->no_tls_get_addr_opt = TRUE;
+
if (!htab->params->no_tls_get_addr_opt)
{
struct elf_link_hash_entry *opt, *tga;