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authorManjunath Matti <mmatti@linux.ibm.com>2024-03-19 15:29:48 -0500
committerPeter Bergner <bergner@linux.ibm.com>2024-03-19 17:19:27 -0500
commit3ab9b88e2ac91062b6d493fe32bd101a55006c6a (patch)
treea13cf4a7a73bb6f77748d2bfefedce381591be56 /locale/programs
parent3d53d18fc71c5d9ef4773b8bce04d54b80181926 (diff)
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powerpc: Add HWCAP3/HWCAP4 data to TCB for Power Architecture.
This patch adds a new feature for powerpc.  In order to get faster
access to the HWCAP3/HWCAP4 masks, similar to HWCAP/HWCAP2 (i.e. for
implementing __builtin_cpu_supports() in GCC) without the overhead of
reading them from the auxiliary vector, we now reserve space for them
in the TCB.

This is an ABI change for GLIBC 2.39.

Suggested-by: Peter Bergner <bergner@linux.ibm.com>
Reviewed-by: Peter Bergner <bergner@linux.ibm.com>
Diffstat (limited to 'locale/programs')
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