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authorNaohiro Tamura <naohirot@jp.fujitsu.com>2021-05-12 09:27:20 +0000
committerSzabolcs Nagy <szabolcs.nagy@arm.com>2021-05-26 12:01:06 +0100
commitbd4317fbd60a0fa416761aaafb4e32ca1ad22d38 (patch)
treeab8272bb217557cda99574502364bcb5e6e520fc /INSTALL
parent77d175e14e5f4cf24e9579c03eef5d006a286316 (diff)
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aarch64: define BTI_C and BTI_J macros as NOP unless HAVE_AARCH64_BTI
This patch defines BTI_C and BTI_J macros conditionally for
performance.
If HAVE_AARCH64_BTI is true, BTI_C and BTI_J are defined as HINT
instruction for ARMv8.5 BTI (Branch Target Identification).
If HAVE_AARCH64_BTI is false, both BTI_C and BTI_J are defined as
NOP.
Diffstat (limited to 'INSTALL')
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