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From: "yroux at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug target/63724] [AArch64] Inefficient immediate expansion and hoisting.
Date: Sun, 11 Jan 2015 18:37:00 -0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63724

--- Comment #4 from Yvan Roux <yroux at gcc dot gnu.org> ---
Author: yroux
Date: Sun Jan 11 18:36:42 2015
New Revision: 219433

URL: https://gcc.gnu.org/viewcvs?rev=219433&root=gcc&view=rev
Log:
gcc/
2015-01-11  Yvan Roux  <yvan.roux@linaro.org>

    Backport from trunk r217362, r217546.
    2014-11-14  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

    PR target/63724
        * config/aarch64/aarch64.c (aarch64_expand_mov_immediate): Split out
        numerical immediate handling to...
        (aarch64_internal_mov_immediate): ...this. New.
        (aarch64_rtx_costs): Use aarch64_internal_mov_immediate.
        (aarch64_mov_operand_p): Relax predicate.
        * config/aarch64/aarch64.md (mov<mode>:GPI): Do not expand CONST_INTs.
        (*movsi_aarch64): Turn into define_insn_and_split and new alternative
        for 'n'.
        (*movdi_aarch64): Likewise.

    2014-11-11  James Greenhalgh  <james.greenhalgh@arm.com>

    * config/aarch64/aarch64-simd.md
    (aarch64_simd_bsl<mode>_internal): Remove float cases, canonicalize.
    (aarch64_simd_bsl<mode>): Add gen_lowpart expressions where we
    are punning between float vectors and integer vectors.

gcc/testsuite
2015-01-11  Yvan Roux  <yvan.roux@linaro.org>

    Backport from trunk r217362.
    2014-11-11  James Greenhalgh  <james.greenhalgh@arm.com>

    * gcc.target/aarch64/vbslq_f64_1.c: New.
    * gcc.target/aarch64/vbslq_f64_2.c: Likewise.
    * gcc.target/aarch64/vbslq_u64_1.c: Likewise.
    * gcc.target/aarch64/vbslq_u64_2.c: Likewise.


Added:
   
branches/linaro/gcc-4_9-branch/gcc/testsuite/gcc.target/aarch64/vbslq_f64_1.c
   
branches/linaro/gcc-4_9-branch/gcc/testsuite/gcc.target/aarch64/vbslq_f64_2.c
   
branches/linaro/gcc-4_9-branch/gcc/testsuite/gcc.target/aarch64/vbslq_u64_1.c
   
branches/linaro/gcc-4_9-branch/gcc/testsuite/gcc.target/aarch64/vbslq_u64_2.c
Modified:
    branches/linaro/gcc-4_9-branch/gcc/ChangeLog.linaro
    branches/linaro/gcc-4_9-branch/gcc/config/aarch64/aarch64-simd.md
    branches/linaro/gcc-4_9-branch/gcc/config/aarch64/aarch64.c
    branches/linaro/gcc-4_9-branch/gcc/config/aarch64/aarch64.md
    branches/linaro/gcc-4_9-branch/gcc/testsuite/ChangeLog.linaro