[PowerPC64] correct tprel offset limit

I don't expect anyone will have hit this bug.  You'd need a TLS
segment of 2G before you'd notice.

	* elf64-ppc.c (ppc64_elf_tls_optimize): Correct test for allowed
	range of tp-relative offsets.

diff --git a/bfd/ChangeLog b/bfd/ChangeLog
index 7d841e2..bbef105 100644 (file)
--- a/bfd/ChangeLog
+++ b/bfd/ChangeLog
@@ -1,3 +1,8 @@
+2019-07-18  Alan Modra  <amodra@gmail.com>
+
+       * elf64-ppc.c (ppc64_elf_tls_optimize): Correct test for allowed
+       range of tp-relative offsets.
+
 2019-07-15  Alan Modra  <amodra@gmail.com>
 
        * elflink.c (_bfd_elf_fix_symbol_flags): If the def for an

diff --git a/bfd/elf64-ppc.c b/bfd/elf64-ppc.c
index d77cfdf..9d3ba36 100644 (file)
--- a/bfd/elf64-ppc.c
+++ b/bfd/elf64-ppc.c
@@ -7734,9 +7734,8 @@ ppc64_elf_tls_optimize (struct bfd_link_info *info)
                        {
                          value += sym_sec->output_offset;
                          value += sym_sec->output_section->vma;
-                         value -= htab->elf.tls_sec->vma;
-                         ok_tprel = (value + TP_OFFSET + ((bfd_vma) 1 << 31)
-                                     < (bfd_vma) 1 << 32);
+                         value -= htab->elf.tls_sec->vma + TP_OFFSET;
+                         ok_tprel = value + 0x80008000ULL < 1ULL << 32;
                        }
                    }