https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105139
--- Comment #5 from Richard Biener <rguenth at gcc dot gnu.org> --- (In reply to Martin Liška from comment #3) > @Richi: Are you sure about that your GAS supports that? > > $ cat vmovw.s > vmovw %xmm0, %xmm1 > $ as -v --64 vmovw.s > GNU assembler version 2.38 (x86_64-suse-linux) using BFD version (GNU > Binutils; openSUSE Tumbleweed) 2.38.20220304-3 > vmovw.s: Assembler messages: > vmovw.s:1: Error: operand type mismatch for `vmovw' > > $ ./gas/as-new /home/marxin/Programming/testcases/vmovw.s -v > GNU assembler version 2.37 (x86_64-pc-linux-gnu) using BFD version (GNU > Binutils) 2.37 > /home/marxin/Programming/testcases/vmovw.s: Assembler messages: > /home/marxin/Programming/testcases/vmovw.s:1: Error: no such instruction: > `vmovw %xmm0,%xmm1' oops, I forgot to actually assemble the output
