Alice Carlotti 41b4a73f37 libgcc: aarch64: Add __arm_get_current_vg ...

AAPCS64* specifies several runtime support routines that must be
supported by any platform that supports SME.  Add __arm_get_current_vg
to libgcc to help meet this requirement.  This will be used to enable
support for SME without (non-streaming) SVE.

*https://github.com/ARM-software/abi-aa/blob/main/aapcs64/aapcs64.rst

libgcc/ChangeLog:

	* config/aarch64/libgcc-sme.ver: Add __arm_get_current_vg.
	* config/aarch64/t-aarch64: Add new source file.
	* config/aarch64/__arm_get_current_vg.S: New file.

2026-02-23 11:16:42 +00:00

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libgcc: aarch64: Add __arm_get_current_vg

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