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authorJonathan Wright <jonathan.wright@arm.com>2020-09-28 13:35:51 +0100
committerMartin Storsjö <martin@martin.st>2021-11-16 13:43:56 +0200
commit08b4716a9ed277afb4af69b07b751c9bd046aa70 (patch)
tree541be310256c907c799c49a4aea070629e13a173 /libavfilter/.gitignore
parent6f04cf54f532ad5695072303d74cddaa591f9aa1 (diff)
downloadffmpeg-08b4716a9ed277afb4af69b07b751c9bd046aa70.tar.gz
aarch64: Add Armv8.5-A BTI support
Add Branch Target Identifiers (BTIs) to all functions defined in AArch64 assembly files. Most of the BTI landing pads are added automatically by the 'function' macro. BTI support is turned on or off at compile time based on the presence of the __ARM_FEATURE_BTI_DEFAULT feature macro. A binary compiled with BTI support can be executed on an Armv8-A processor without BTI support because the instructions are defined in NOP space. Signed-off-by: Jonathan Wright <jonathan.wright@arm.com> Signed-off-by: Elijah Ahmad <elijah.ahmad@arm.com> Signed-off-by: Martin Storsjö <martin@martin.st>
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