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[Bug gas/16722] arm: literal pool syntax for vldr is broken


From: cvs-commit at gcc dot gnu.org
Subject: [Bug gas/16722] arm: literal pool syntax for vldr is broken
Date: Tue, 08 Jul 2014 11:17:52 +0000

https://sourceware.org/bugzilla/show_bug.cgi?id=16722

--- Comment #2 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot 
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The branch, master has been updated
       via  8335d6aa34b88ce31b62e1b578d54ab4aa364435 (commit)
      from  bffebb6ba5b4ddbca7353626d682f9f974584dbf (commit)

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https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=8335d6aa34b88ce31b62e1b578d54ab4aa364435

commit 8335d6aa34b88ce31b62e1b578d54ab4aa364435
Author: Jiong Wang <address@hidden>
Date:   Tue Jul 8 12:14:56 2014 +0100

    Fix PR 16722 by adding support for 8-byte vector constants.

     * config/tc-arm.c (literal_pool): New field "alignment".
      (find_or_make_literal_pool): Initialize "alignment" to 2.
      (s_ltorg): Align the pool using value of "alignment"
      (parse_big_immediate): New parameter "in_exp". Return
      parsed expression if "in_exp" is not null.
      (parse_address_main): Invoke "parse_big_immediate" for
      constant parameter.
      (add_to_lit_pool): Add one parameter 'nbytes'.
      Split 8 byte entry into two 4 byte entry.
      Add padding to align 8 byte entry to 8 byte boundary.
      (encode_arm_cp_address): Generate literal pool entry if possible.
      (move_or_literal_pool): Generate entry for vldr case.
      (enum lit_type): New enum type.
      (do_ldst): Use new enum type.
      (do_ldstv4): Likewise.
      (do_t_ldst): Likewise.
      (neon_write_immbits): Support Thumb-2 mode.

      * gas/arm/ldconst.s: Add test cases for symbol literal.
      * gas/arm/ldconst.d: Likewise.
      * gas/arm/vldconst.s: Add test cases for vldr.
      * gas/arm/thumb2_vpool.s: Likewise.
      * gas/arm/vldconst.d: New pattern for little-endian.
      * gas/arm/thumb2_vpool.d: Likewise.
      * gas/arm/vldconst_be.d: New pattern for big-endian.
      * gas/arm/thumb2_vpool_be.d: Likewise.

-----------------------------------------------------------------------

Summary of changes:
 gas/ChangeLog                                 |   20 +
 gas/config/tc-arm.c                           |  739 +++++++++++++++----------
 gas/testsuite/ChangeLog                       |   21 +
 gas/testsuite/gas/arm/armv8-a+crypto.d        |    1 +
 gas/testsuite/gas/arm/armv8-a+fp.d            |    1 +
 gas/testsuite/gas/arm/armv8-a+simd.d          |    1 +
 gas/testsuite/gas/arm/armv8-a-barrier-thumb.d |    1 +
 gas/testsuite/gas/arm/bl-local-2.d            |    1 +
 gas/testsuite/gas/arm/ldconst.d               |   15 +
 gas/testsuite/gas/arm/ldconst.s               |   11 +
 gas/testsuite/gas/arm/ldgesb-bad.d            |    1 +
 gas/testsuite/gas/arm/ldgesh-bad.d            |    1 +
 gas/testsuite/gas/arm/thumb2_pool.d           |   15 +
 gas/testsuite/gas/arm/thumb2_pool.s           |   11 +
 gas/testsuite/gas/arm/thumb2_vpool.d          |  169 ++++++
 gas/testsuite/gas/arm/thumb2_vpool.s          |   95 ++++
 gas/testsuite/gas/arm/thumb2_vpool_be.d       |  176 ++++++
 gas/testsuite/gas/arm/vldconst.d              |  280 ++++++++++
 gas/testsuite/gas/arm/vldconst.s              |  146 +++++
 gas/testsuite/gas/arm/vldconst_be.d           |  285 ++++++++++
 20 files changed, 1705 insertions(+), 285 deletions(-)
 create mode 100644 gas/testsuite/gas/arm/thumb2_vpool.d
 create mode 100644 gas/testsuite/gas/arm/thumb2_vpool.s
 create mode 100644 gas/testsuite/gas/arm/thumb2_vpool_be.d
 create mode 100644 gas/testsuite/gas/arm/vldconst.d
 create mode 100644 gas/testsuite/gas/arm/vldconst.s
 create mode 100644 gas/testsuite/gas/arm/vldconst_be.d

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