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baa0983ae3
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Emilio G. Cota baa0983ae3
target/aarch64: optimize indirect branches 
Measurements:

[Baseline performance is that before applying this and the previous commit]

- NBench, aarch64-softmmu. Host: Intel i7-4790K @ 4.00GHz

1.7x +-+--------------------------------------------------------------------------------------------------------------+-+
| |
| cross |
1.6x +cross+jr.................................................####...................................................+-+
| #++# |
| # # |
1.5x +-+...................................................*****..#...................................................+-+
| *+++* # |
| * * # |
1.4x +-+...................................................*...*..#...................................................+-+
| * * # |
| ##### * * # |
1.3x +-+................................****+++#...........*...*..#...................................................+-+
| *++* # * * # |
| * * # * * # |
1.2x +-+................................*..*...#...........*...*..#...................................................+-+
| * * # * * # |
| #### * * # * * # |
1.1x +-+.......................+++#..#..*..*...#...........*...*..#...................................................+-+
| **** # * * # * * # ****#### |
| * * # * * # * * # ****### +++#### ****### * * # |
1x +-++-++++++-++++****###++-*++*++#++*++*+-+#++****+++++*+++*++#++*++*-+#++*****++#++****###-++*++*-+#++*+-*+++#+-++-+
| *****### * * # * * # * * # *++*### * * # * * # * * # * *++# * * # * * # |
| * *++# * * # * * # * * # * * # * * # * * # * * # * * # * * # * * # |
0.9x +-+---*****###--****###---****###--****####--****###--*****###--****###--*****###--****###---****###--****####---+-+
ASSIGNMENT BITFIELD FOURFP EMULATION HUFFMAN LU DECOMPOSITIONNEURAL NUMERIC SORSTRING SORT hmean
png: http://imgur.com/qO9ubtk
NB. cross here represents the previous commit.

- SPECint06 (test set), aarch64-linux-user. Host: Intel i7-4790K @ 4.00GHz

1.5x +-+--------------------------------------------------------------------------------------------------------------+-+
| ***** |
| *+++* jr |
| * * |
1.4x +-+.....................................................................*...*.....................+++............+-+
| * * | |
| ***** * * | |
| * * * * ***** |
1.3x +-+....................................*...*............................*...*....................*.|.*...........+-+
| +++ * * * * * | * |
| ***** * * * * *+++* |
| * * * * * * * * |
1.2x +-+....................*...*...........*...*............................*...*...........*****....*...*...........+-+
| ***** * * * * * * * * * * +++ |
| * * * * * * * * * * * * ***** |
| * * * * ***** * * * * * * * * * * |
1.1x +-+...*...*............*...*...*...*...*...*............................*...*....+++....*...*....*...*...*...*...+-+
| * * * * * * * * * * ***** * * * * * * |
| * * * * * * * * ***** * * * * * * * * * * |
| * * ***** * * * * * * * * ****** * * * * * * * * * * |
1x +-++-+*+++*-++*+++*++++*+-+*+++*-++*+++*-++*+++*+++*++-*++++*-++*****+++*++-*+++*++-*+++*+-+*++++*+++*++-*+++*+-++-+
| * * * * * * * * * * * * * * *+++* * * * * * * * * * * |
| * * * * * * * * * * * * * * * * * * * * * * * * * * |
| * * * * * * * * * * * * * * * * * * * * * * * * * * |
0.9x +-+---*****---*****----*****---*****---*****---*****---******---*****---*****---*****---*****----*****---*****---+-+
astar bzip2 gcc gobmk h264ref hmmlibquantum mcf omnetpperlbench sjengxalancbmk hmean
png: http://imgur.com/3Dp4vvq

- SPECint06 (train set), aarch64-linux-user. Host: Intel i7-4790K @ 4.00GHz

1.7x +-+--------------------------------------------------------------------------------------------------------------+-+
| |
| jr |
1.6x +-+...............................................................................................+++............+-+
| ***** |
| *+++* |
| * * |
1.5x +-+..............................................................................................*...*...........+-+
| +++ * * |
| ***** * * |
1.4x +-+.....................................................................*+++*....................*...*...........+-+
| * * * * |
| ***** * * * * |
| * * * * ***** * * |
1.3x +-+....................................*...*............................*...*...*...*............*...*...........+-+
| +++ * * * * * * * * |
| ***** * * * * * * ***** * * |
1.2x +-+....................*...*...........*...*............................*...*...*...*...*+++*....*...*...*****...+-+
| * * * * * * * * * * * * *+++* |
| ***** * * ***** * * * * * * * * * * * * |
| * * * * *+++* * * * * * * * * * * * * |
1.1x +-+...*...*............*...*...*...*...*...*............................*...*...*...*...*...*....*...*...*...*...+-+
| * * ***** * * * * * * ***** * * * * * * * * * * |
| * * * * * * * * * * +++ ****** *+++* * * * * * * * * * * |
1x +-+---*****---*****----*****---*****---*****---*****---******---*****---*****---*****---*****----*****---*****---+-+
astar bzip2 gcc gobmk h264ref hmmlibquantum mcf omnetpperlbench sjengxalancbmk hmean
png: http://imgur.com/vRrdc9j

Backports commit e75449a346bf558296966a44277bfd93412c6da6 from qemu
2018-03-03 14:22:12 -05:00
..
crypto
default-configs
docs
fpu softfloat: Use correct type in float64_to_uint64_round_to_zero() 2018-03-02 10:44:10 -05:00
hw i386: Remove AMD feature flag aliases from Opteron models 2018-03-01 23:49:04 -05:00
include tb-hash: improve tb_jmp_cache hash function in user mode 2018-03-03 14:11:29 -05:00
qapi qapi: Fix object input visit beyond end of list 2018-03-02 12:22:50 -05:00
qobject util/cutils: Rename qemu_strtoll(), qemu_strtoull() 2018-03-02 08:39:45 -05:00
qom qapi: Drop unused non-strict qobject input visitor 2018-03-02 12:14:52 -05:00
scripts
target target/aarch64: optimize indirect branches 2018-03-03 14:22:12 -05:00
tcg tcg/mips: implement goto_ptr 2018-03-03 14:19:46 -05:00
util bitmap: add bitmap_copy_and_clear_atomic 2018-03-02 18:59:11 -05:00
aarch64.h tcg: Introduce goto_ptr opcode and tcg_gen_lookup_and_goto_ptr 2018-03-02 21:05:18 -05:00
aarch64eb.h tcg: Introduce goto_ptr opcode and tcg_gen_lookup_and_goto_ptr 2018-03-02 21:05:18 -05:00
accel.c
arm.h tcg: Introduce goto_ptr opcode and tcg_gen_lookup_and_goto_ptr 2018-03-02 21:05:18 -05:00
armeb.h tcg: Introduce goto_ptr opcode and tcg_gen_lookup_and_goto_ptr 2018-03-02 21:05:18 -05:00
atomic_template.h
CODING_STYLE
configure configure: remove Cygwin 2018-03-02 14:17:41 -05:00
COPYING
COPYING.LIB
cpu-exec-common.c
cpu-exec.c tcg: Introduce goto_ptr opcode and tcg_gen_lookup_and_goto_ptr 2018-03-02 21:05:18 -05:00
cpus.c tcg: handle EXCP_ATOMIC exception for system emulation 2018-03-02 09:56:43 -05:00
cputlb.c cputlb: handle first atomic write to the page 2018-03-02 18:59:12 -05:00
exec.c memory: tune last param of iommu_ops.translate() 2018-03-02 18:59:12 -05:00
gen_all_header.sh
glib_compat.c qapi: Improve qobject input visitor error reporting 2018-03-02 12:05:53 -05:00
HACKING
header_gen.py tcg: Introduce goto_ptr opcode and tcg_gen_lookup_and_goto_ptr 2018-03-02 21:05:18 -05:00
ioport.c
LICENSE
m68k.h tcg: Introduce goto_ptr opcode and tcg_gen_lookup_and_goto_ptr 2018-03-02 21:05:18 -05:00
Makefile
Makefile.objs
Makefile.target Move target-* CPU file into a target/ folder 2018-03-01 22:50:58 -05:00
memory_ldst.inc.c
memory_mapping.c
memory.c memory: Introduce DEVICE_HOST_ENDIAN for ram device 2018-03-02 11:24:32 -05:00
mips64.h tcg: Introduce goto_ptr opcode and tcg_gen_lookup_and_goto_ptr 2018-03-02 21:05:18 -05:00
mips64el.h tcg: Introduce goto_ptr opcode and tcg_gen_lookup_and_goto_ptr 2018-03-02 21:05:18 -05:00
mips.h tcg: Introduce goto_ptr opcode and tcg_gen_lookup_and_goto_ptr 2018-03-02 21:05:18 -05:00
mipsel.h tcg: Introduce goto_ptr opcode and tcg_gen_lookup_and_goto_ptr 2018-03-02 21:05:18 -05:00
powerpc.h tcg: Introduce goto_ptr opcode and tcg_gen_lookup_and_goto_ptr 2018-03-02 21:05:18 -05:00
qapi-schema.json
qemu-timer.c
rules.mak
softmmu_template.h
sparc64.h tcg: Introduce goto_ptr opcode and tcg_gen_lookup_and_goto_ptr 2018-03-02 21:05:18 -05:00
sparc.h tcg: Introduce goto_ptr opcode and tcg_gen_lookup_and_goto_ptr 2018-03-02 21:05:18 -05:00
tcg-runtime.c tcg: Introduce goto_ptr opcode and tcg_gen_lookup_and_goto_ptr 2018-03-02 21:05:18 -05:00
translate-all.c translate-all: exit cpu_restore_state early if translating 2018-03-02 12:46:16 -05:00
translate-all.h
translate-common.c
unicorn_common.h
VERSION
vl.c tcg: add options for enabling MTTCG 2018-03-02 09:25:01 -05:00
vl.h
x86_64.h tcg: Introduce goto_ptr opcode and tcg_gen_lookup_and_goto_ptr 2018-03-02 21:05:18 -05:00