[Bug target/50022] [4.7 regression] "incorrect condition in IT block" when building mozilla code base for ARM

[jye2 at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50022

--- Comment #8 from jye2 at gcc dot gnu.org 2011-09-19 08:35:45 UTC ---
Author: jye2
Date: Mon Sep 19 08:35:37 2011
New Revision: 178960

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=178960
Log:
2011-09-19  Jiangning Liu  <jiangning.liu@arm.com>

    Backport r177759 from mainline
    2011-08-15  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>

    PR target/50022
    * config/arm/arm.c (output_move_double): Add 2 parameters
    to count the number of insns emitted and whether to emit or not.
    Use the flag to decide when to emit and count number of instructions
    that will be emitted.
    Handle case where output_move_double might be called for calculating
    lengths with an invalid constant.
    (arm_count_output_move_double_insns): Define.
    * config/arm/arm-protos.h (arm_count_output_move_double_insns): Declare.
    (output_move_double): Adjust prototype.
    * config/arm/vfp.md ("*movdi_vfp"): Adjust call to
    output_move_double.
    ("*movdi_vfp_cortexa8"): Likewise and add attribute
    for ce_count.
    * config/arm/arm.md ("*arm_movdi"): Adjust call to output_move_double.
    ("*movdf_soft_insn"): Likewise.
    * config/arm/cirrus.md ("*cirrus_arm_movdi"): Likewise.
    ("*cirrus_thumb2_movdi"): Likewise.
    ("*thumb2_cirrus_movdf_hard_insn"): Likewise.
    ("*cirrus_movdf_hard_insn"): Likewise.
    * config/arm/neon.md (*neon_mov<mode> VD): Likewise.
    * config/arm/iwmmxt.md ("*iwmmxt_arm_movdi"): Likewise.
    ("mov<mode>_internal VMMX"): Likewise.
    * config/arm/fpa.md (*movdf_fpa, *thumb2_movdf_fpa): Likewise.

2011-09-19  Jiangning Liu  <jiangning.liu@arm.com>

    Backport r176867 from mainline
    2011-07-28  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>

    * config/arm/vfp.md ("*movdf_vfp"): Handle the VFP constraints
    before the core constraints. Adjust attributes.
    (*thumb2_movdf_vfp"): Likewise.

2011-09-19  Jiangning Liu  <jiangning.liu@arm.com>

    Backport r175588 from mainline
    2011-06-28  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>

    * config/arm/vfp.md ("*divsf3_vfp"): Replace '+' constraint modifier
    with '=' constraint modifier.
    (*divdf3_vfp): Likewise.
    ("*mulsf3_vfp"): Likewise.
    ("*muldf3_vfp"): Likewise.
    ("*mulsf3negsf_vfp"): Likewise.
    ("*muldf3negdf_vfp"): Likewise.

2011-09-19  Jiangning Liu  <jiangning.liu@arm.com>

    Backport r174894 from mainline
    2011-06-10  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
        Richard Earnshaw  <rearnsha@arm.com>

    * config/arm/arm.c (const_ok_for_op): Check to see
    if mvn can be used.
    * config/arm/vfp.md (*arm_movdi_vfp): Delete.
    (*thumb2_movdi_vfp): Delete.
    (*arm_movdi_vfp_cortexa8): Delete.
    (*movdi_vfp): Consolidate from *arm_movdi_vfp and *thumb2_movdi_vfp.
    (*movdi_vfp_cortexa8): Likewise.

2011-09-19  Jiangning Liu  <jiangning.liu@arm.com>

    Backport r172777 from mainline
    2011-04-20  Andrew Stubbs  <ams@codesourcery.com>

    * config/arm/arm.c (arm_gen_constant): Move movw support ....
    (const_ok_for_op): ... to here.

2011-09-19  Jiangning Liu  <jiangning.liu@arm.com>

    Partially backport r171449 from mainline
    2011-03-25  Bernd Schmidt  <bernds@codesourcery.com>
         Andrew Stubbs  <ams@codesourcery.com>

    * config/arm/vfp.md (arm_movdi_vfp): Enable only when not tuning
    for Cortex-A8.
    (arm_movdi_vfp_cortexa8): New pattern.
    * config/arm/arm.md: Move include arm-tune.md up a bit.
    (define_attr "arch"): Add "onlya8" and "nota8" values.
    (define_attr "arch_enabled"): Handle "onlya8" and "nota8".


Modified:
    branches/ARM/embedded-4_6-branch/gcc/ChangeLog.arm
    branches/ARM/embedded-4_6-branch/gcc/config/arm/arm-protos.h
    branches/ARM/embedded-4_6-branch/gcc/config/arm/arm.c
    branches/ARM/embedded-4_6-branch/gcc/config/arm/arm.md
    branches/ARM/embedded-4_6-branch/gcc/config/arm/cirrus.md
    branches/ARM/embedded-4_6-branch/gcc/config/arm/fpa.md
    branches/ARM/embedded-4_6-branch/gcc/config/arm/iwmmxt.md
    branches/ARM/embedded-4_6-branch/gcc/config/arm/neon.md
    branches/ARM/embedded-4_6-branch/gcc/config/arm/vfp.md