On 2018-03-06 10:58:31 +0200, Martin Storsjö wrote:
> The version of armasm64 in Visual Studio 2017 15.5 can assemble
> these just fine.
> ---
> gas-preprocessor.pl | 10 ++
> 1 file changed, 6 insertions(+), 4 deletions(-)
>
> diff --git a/gas-preprocessor.pl b/gas-preprocessor.pl
> index 9ff47a9..cb2f912 100755
> --- a/gas-preprocessor.pl
> +++ b/gas-preprocessor.pl
> @@ -1020,10 +1020,12 @@ sub handle_serialized_line {
> # Convert "cset w0, lo" into "csetlo w0"
> $line =~ s/(cset)\s+([xw]\w+)\s*,\s*($arm_cond_codes)/\1\3 \2/;
>
> -# Strip out prfum; armasm64 fails to assemble any
> -# variant/combination of prfum tested so far, but it can be
> -# left out without any
> -$line =~ s/prfum.*\]//;
> +if ($ENV{GASPP_ARMASM64_SKIP_PRFUM}) {
> +# Strip out prfum; armasm64 (VS < 15.5) fails to assemble any
> +# variant/combination of prfum tested so far, but it can be
> +# left out without any
Maybe replace the last incomplete sentence after the comma with "Since
it is a prefetch instruction it can be skipped without changing
results."
> +$line =~ s/prfum.*\]//;
> +}
>
> # Convert "ldrb w0, [x0, #-1]" into "ldurb w0, [x0, #-1]".
> # Don't do this for forms with writeback though.
otherwise ok
Janne
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