:orphan:

.. title:: CONFIG_ARC_HAS_ACCL_REGS

.. kconfig:: CONFIG_ARC_HAS_ACCL_REGS

CONFIG_ARC_HAS_ACCL_REGS
########################

*Reg Pair ACCL:ACCH (FPU and/or MPY > 6)*

Type: ``bool``

Help
====

.. code-block:: none

    Depending on the configuration, CPU can contain accumulator reg-pair
    (also referred to as r58:r59). These can also be used by gcc as GPR so
    kernel needs to save/restore per process

Direct dependencies
===================

\ :kconfig:`SOC_ARC_HSDK <CONFIG_SOC_ARC_HSDK>` || (\ :kconfig:`SOC_NSIM_EM <CONFIG_SOC_NSIM_EM>` && \ :kconfig:`SOC_NSIM <CONFIG_SOC_NSIM>`) || (\ :kconfig:`SOC_NSIM_EM7D_V22 <CONFIG_SOC_NSIM_EM7D_V22>` && \ :kconfig:`SOC_NSIM <CONFIG_SOC_NSIM>`) || (\ :kconfig:`SOC_NSIM_SEM <CONFIG_SOC_NSIM_SEM>` && \ :kconfig:`SOC_NSIM <CONFIG_SOC_NSIM>`) || (\ :kconfig:`SOC_NSIM_HS <CONFIG_SOC_NSIM_HS>` && \ :kconfig:`SOC_NSIM <CONFIG_SOC_NSIM>`) || (\ :kconfig:`SOC_NSIM_HS_MPUV6 <CONFIG_SOC_NSIM_HS_MPUV6>` && \ :kconfig:`SOC_NSIM <CONFIG_SOC_NSIM>`) || \ :kconfig:`ARC <CONFIG_ARC>`

*(Includes any dependencies from ifs and menus.)*

Defaults
========

- y
- y
- y
- y
- y
- y
- y if \ :kconfig:`CPU_HS3X <CONFIG_CPU_HS3X>`

Kconfig definitions
===================



At ``<SoC>/arc/snps_arc_hsdk/Kconfig.defconfig:50``

Included via ``Kconfig:8`` → ``Kconfig.zephyr:27``

Menu path: (Top)

.. code-block:: kconfig

    config ARC_HAS_ACCL_REGS
    	bool
    	default y
    	depends on SOC_ARC_HSDK

----

At ``<SoC>/arc/snps_nsim/Kconfig.defconfig.em:53``

Included via ``Kconfig:8`` → ``Kconfig.zephyr:27`` → ``<SoC>/arc/snps_nsim/Kconfig.defconfig:12``

Menu path: (Top)

.. code-block:: kconfig

    config ARC_HAS_ACCL_REGS
    	bool
    	default y
    	depends on SOC_NSIM_EM && SOC_NSIM

----

At ``<SoC>/arc/snps_nsim/Kconfig.defconfig.em7d_v22:50``

Included via ``Kconfig:8`` → ``Kconfig.zephyr:27`` → ``<SoC>/arc/snps_nsim/Kconfig.defconfig:13``

Menu path: (Top)

.. code-block:: kconfig

    config ARC_HAS_ACCL_REGS
    	bool
    	default y
    	depends on SOC_NSIM_EM7D_V22 && SOC_NSIM

----

At ``<SoC>/arc/snps_nsim/Kconfig.defconfig.sem:36``

Included via ``Kconfig:8`` → ``Kconfig.zephyr:27`` → ``<SoC>/arc/snps_nsim/Kconfig.defconfig:14``

Menu path: (Top)

.. code-block:: kconfig

    config ARC_HAS_ACCL_REGS
    	bool
    	default y
    	depends on SOC_NSIM_SEM && SOC_NSIM

----

At ``<SoC>/arc/snps_nsim/Kconfig.defconfig.hs:33``

Included via ``Kconfig:8`` → ``Kconfig.zephyr:27`` → ``<SoC>/arc/snps_nsim/Kconfig.defconfig:15``

Menu path: (Top)

.. code-block:: kconfig

    config ARC_HAS_ACCL_REGS
    	bool
    	default y
    	depends on SOC_NSIM_HS && SOC_NSIM

----

At ``<SoC>/arc/snps_nsim/Kconfig.defconfig.hs_mpuv6:39``

Included via ``Kconfig:8`` → ``Kconfig.zephyr:27`` → ``<SoC>/arc/snps_nsim/Kconfig.defconfig:19``

Menu path: (Top)

.. code-block:: kconfig

    config ARC_HAS_ACCL_REGS
    	bool
    	default y
    	depends on SOC_NSIM_HS_MPUV6 && SOC_NSIM

----

At ``<Architecture>/arc/Kconfig:263``

Included via ``Kconfig:8`` → ``Kconfig.zephyr:39`` → ``<Architecture>/Kconfig:12``

Menu path: (Top) → ARC Options → ARC CPU Options

.. code-block:: kconfig

    config ARC_HAS_ACCL_REGS
    	bool "Reg Pair ACCL:ACCH (FPU and/or MPY > 6)"
    	default y if CPU_HS3X
    	depends on ARC
    	help
    	  Depending on the configuration, CPU can contain accumulator reg-pair
    	  (also referred to as r58:r59). These can also be used by gcc as GPR so
    	  kernel needs to save/restore per process

*(The 'depends on' condition includes propagated dependencies from ifs and menus.)*