https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85512
--- Comment #7 from Zdenek Sojka <zsojka at seznam dot cz> --- Created attachment 44014 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=44014&action=edit unreduced testcase (fully defined behavior at runtime, hopefully) $ aarch64-unknown-linux-gnu-gcc -O -fno-if-conversion xxx.c /tmp/ccAv0veI.s: Assembler messages: /tmp/ccAv0veI.s:139: Error: immediate value out of range 1 to 64 at operand 3 -- `sshr v9.2s,v0.2s,0'