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gdb and binutils branch binutils-2_24-branch updated. 37e6f1322b94f39c7aba198e113e621f4b4ea55e
- From: amodra at sourceware dot org
- To: binutils-cvs at sourceware dot org
- Date: 12 Jun 2014 15:34:28 -0000
- Subject: gdb and binutils branch binutils-2_24-branch updated. 37e6f1322b94f39c7aba198e113e621f4b4ea55e
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https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=37e6f1322b94f39c7aba198e113e621f4b4ea55e
commit 37e6f1322b94f39c7aba198e113e621f4b4ea55e
Author: Alan Modra <amodra@gmail.com>
Date: Tue Jun 3 10:55:29 2014 +0930
Support fusion for ELFv2 stubs
Power8 fuses addis,addi and addis,ld sequences when the target of the
addis is the same as the addi/ld. Thus
addis r12,r2,xxx@ha
addi r12,r12,xxx@l / ld r12,xxx@l(r12)
is faster than
addis r11,r2,xxx@ha
addi r12,r11,xxx@l / ld r12,xxx@l(r11)
So use the form that allows fusion in plt call and branch stubs.
bfd/
* elf64-ppc.c (ADDIS_R12_R2): Define.
(build_plt_stub): Support fusion on ELFv2 stub.
(ppc_build_one_stub): Likewise for plt branch stubs.
gold/
* powerpc.cc (addis_12_2): Define.
(Stub_table::do_write): Support fusion on ELFv2 stubs.
ld/testsuite/
* ld-powerpc/elfv2exe.d: Update for changed plt call stubs.
-----------------------------------------------------------------------
Summary of changes:
bfd/ChangeLog | 5 +++++
bfd/elf64-ppc.c | 21 +++++++++++++++------
gold/ChangeLog | 4 ++++
gold/powerpc.cc | 23 +++++++++++++++++------
ld/testsuite/ChangeLog | 3 +++
ld/testsuite/ld-powerpc/elfv2exe.d | 8 ++++----
6 files changed, 48 insertions(+), 16 deletions(-)
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gdb and binutils