[vlc-devel] [PATCH 1/3] aarch64: add macro for BTI

[Rémi Denis-Courmont]

Le perjantaina 29. marraskuuta 2019, 20.14.24 EET Rémi Denis-Courmont a écrit 
:
> This redefines bti so that it can assemble even on older assembler or
> when targeting an ARMv8-A revision lower than 8.5.
> ---
>  modules/arm_neon/asm.S | 21 +++++++++++++++++++++
>  1 file changed, 21 insertions(+)
> 
> diff --git a/modules/arm_neon/asm.S b/modules/arm_neon/asm.S
> index 728391ea37..0d3f161ee9 100644
> --- a/modules/arm_neon/asm.S
> +++ b/modules/arm_neon/asm.S
> @@ -1,5 +1,6 @@
>  /*
>   * Copyright (c) 2018 Janne Grunau <janne-libav at jannau.net>
> + * Copyright (c) 2019 Rémi Denis-Courmont
>   *
>   * This program is free software; you can redistribute it and/or
>   * modify it under the terms of the GNU Lesser General Public
> @@ -37,3 +38,23 @@
>  #endif
>  EXTERN_ASM\name:
>  .endm
> +
> +.macro	bti	targets=
> +.ifb	\targets
> +	hint	#32
> +.else
> +.ifc	\targets, c
> +	hint	#34
> +.else
> +.ifc	\targets, j
> +	hint	#36
> +.else
> +.ifc	\tagets, jc

Obvious typo fixed locally.

> +	hint	#38
> +.else
> +.error	"invalid BTI target"
> +.endif
> +.endif
> +.endif
> +.endif
> +.endm


-- 
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