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Emilio G. Cota e75449a346 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

Signed-off-by: Emilio G. Cota <cota@braap.org>
Signed-off-by: Richard Henderson <rth@twiddle.net>
 		2017-06-05 09:25:42 -07:00
..
alpha migration: Remove unneeded includes of migration/vmstate.h 2017-06-01 18:49:22 +02:00
arm target/aarch64: optimize indirect branches 2017-06-05 09:25:42 -07:00
cris qom/cpu: move tlb_flush to cpu_common_reset 2017-01-13 14:24:31 +00:00
hppa target/hppa: Use tcg_gen_lookup_and_goto_ptr 2017-06-05 09:25:42 -07:00
i386 target/i386: optimize indirect branches 2017-06-05 09:25:42 -07:00
lm32 qom/cpu: move tlb_flush to cpu_common_reset 2017-01-13 14:24:31 +00:00
m68k This is the same as the v3 posted except a re-base and a few extra signoffs 2017-01-16 18:23:02 +00:00
microblaze cputlb: drop flush_global flag from tlb_flush 2017-01-13 14:24:37 +00:00
mips target/mips: fix delay slot detection in gen_msa_branch() 2017-03-20 11:19:14 +00:00
moxie qom/cpu: move tlb_flush to cpu_common_reset 2017-01-13 14:24:31 +00:00
nios2 target/nios2: Fix 64-bit ilp32 compilation 2017-06-05 09:25:42 -07:00
openrisc target/openrisc: Support non-busy idle state using PMR SPR 2017-05-04 09:39:14 +09:00
ppc target/ppc: reset reservation in do_rfi() 2017-05-24 11:39:52 +10:00
s390x target/s390: Use tcg_gen_lookup_and_goto_ptr 2017-06-05 09:25:42 -07:00
sh4 target/sh4: fix RTE instruction delay slot 2017-05-30 21:00:56 +02:00
sparc shutdown: Add source information to SHUTDOWN and RESET 2017-05-23 13:28:17 +02:00
tilegx migration: Remove unneeded includes of migration/vmstate.h 2017-06-01 18:49:22 +02:00
tricore qom/cpu: move tlb_flush to cpu_common_reset 2017-01-13 14:24:31 +00:00
unicore32 cputlb: drop flush_global flag from tlb_flush 2017-01-13 14:24:37 +00:00
xtensa target/xtensa fixes for 2.9: 2017-03-18 17:24:49 +00:00