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
+ $line =~ s/prfum.*\]//;
+ }
# Convert "ldrb w0, [x0, #-1]" into "ldurb w0, [x0, #-1]".
# Don't do this for forms with writeback though.
--
2.7.4
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