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[Bug gas/28078] arm: fails to build when using armv8 neon with dotprod
happyalu at gmail dot com
[Bug gas/28078] arm: fails to build when using armv8 neon with dotprod extension
Tue, 13 Jul 2021 10:29:06 +0000
--- Comment #2 from Alok Parlikar <happyalu at gmail dot com> ---
Ah. Thanks, Tamar.
Doing the same as you suggested with binutils 2.36.1 gives:
arm-unknown-linux-musleabihf-as -march=armv8.2-a+dotprod -mfpu=auto test.s
Error: unknown floating point format `auto'
Error: unrecognized option -mfpu=auto
Is the "auto" option added in a later release?
Also, in the case when gcc is directly calling the assembler, trying:
arm-unknown-linux-musleabihf-gcc -march=armv8.2-a+dotprod -mfpu=auto test.c
this works, but still calls as with -mfpu=neon-fp-armv8
Am I doing something wrong?
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