https://sourceware.org/bugzilla/show_bug.cgi?id=17729
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https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=4fc1b9d43cbce7571264a0011c87258b78252750
commit 4fc1b9d43cbce7571264a0011c87258b78252750
Author: H.J. Lu <hjl.to...@gmail.com>
Date: Thu Dec 18 11:09:28 2014 -0800
Handle stack split for x32
X32 uses cmp %fs:NN,%esp, lea NN(%rsp),%r10d, lea NN(%rsp),%r11d,
instead of cmp %fs:NN,%rsp, lea NN(%rsp),%r10, lea NN(%rsp),%r11.
This patch handles it.
PR gold/17729
* configure.ac (DEFAULT_TARGET_X86_64): Don't set for x32.
(DEFAULT_TARGET_X32): Set for x32.
* x86_64.cc (cmp_insn_32): New.
(lea_r10_insn_32): Likewise.
(lea_r11_insn_32): Likewise.
(cmp_insn_64): Likewise.
(lea_r10_insn_64): Likewise.
(lea_r11_insn_64): Likewise.
(Target_x86_64<size>::do_calls_non_split): Handle x32.
* testsuite/Makefile.am (check_SCRIPTS): Add split_x32.sh.
(check_DATA): Add split_x32 files.
(split_x32_[1234n].o): New targets.
(split_x32_[124]): New targets.
(split_x32_[1234r].stdout): New targets.
* testsuite/split_x32.sh: New file.
* testsuite/split_x32_1.s: Likewise.
* testsuite/split_x32_2.s: Likewise.
* testsuite/split_x32_3.s: Likewise.
* testsuite/split_x32_4.s: Likewise.
* testsuite/split_x32_n.s: Likewise.
* configure: Regenerated.
* testsuite/Makefile.in: Likewise.
-----------------------------------------------------------------------
Summary of changes:
gold/ChangeLog | 27 ++++++++++++++++++++
gold/configure | 28 ++++++++++++++++++++-
gold/configure.ac | 15 ++++++++++-
gold/testsuite/Makefile.am | 37 ++++++++++++++++++++++++++++
gold/testsuite/Makefile.in | 55 +++++++++++++++++++++++++++++++++++-------
gold/testsuite/split_x32.sh | 55 ++++++++++++++++++++++++++++++++++++++++++
gold/testsuite/split_x32_1.s | 33 +++++++++++++++++++++++++
gold/testsuite/split_x32_2.s | 33 +++++++++++++++++++++++++
gold/testsuite/split_x32_3.s | 22 ++++++++++++++++
gold/testsuite/split_x32_4.s | 23 +++++++++++++++++
gold/testsuite/split_x32_n.s | 12 +++++++++
gold/x86_64.cc | 33 +++++++++++++++++++++----
12 files changed, 357 insertions(+), 16 deletions(-)
create mode 100755 gold/testsuite/split_x32.sh
create mode 100644 gold/testsuite/split_x32_1.s
create mode 100644 gold/testsuite/split_x32_2.s
create mode 100644 gold/testsuite/split_x32_3.s
create mode 100644 gold/testsuite/split_x32_4.s
create mode 100644 gold/testsuite/split_x32_n.s
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