https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99437
Bug ID: 99437
Summary: Error: immediate value out of range 1 to 8 at operand
3 -- `shrn v1.8b,v1.8h,15'
Product: gcc
Version: 11.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: target
Assignee: unassigned at gcc dot gnu.org
Reporter: raj.khem at gmail dot com
Target Milestone: ---
Created attachment 50321
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=50321&action=edit
test case
gcc 11 fails to build openCV for aarch64 due to an assembler error on attached
sample program.
% arch64-yoe-linux-g++ -c a.cpp -O
/tmp/ccxRnB71.s: Assembler messages:
/tmp/ccxRnB71.s:113: Error: immediate value out of range 1 to 8 at operand 3 --
`shrn v1.8b,v1.8h,15'
/tmp/ccxRnB71.s:249: Error: immediate value out of range 1 to 8 at operand 3 --
`shrn v1.8b,v1.8h,14'
/tmp/ccxRnB71.s:385: Error: immediate value out of range 1 to 8 at operand 3 --
`shrn v1.8b,v1.8h,13'
/tmp/ccxRnB71.s:521: Error: immediate value out of range 1 to 8 at operand 3 --
`shrn v1.8b,v1.8h,12'
/tmp/ccxRnB71.s:657: Error: immediate value out of range 1 to 8 at operand 3 --
`shrn v1.8b,v1.8h,11'
/tmp/ccxRnB71.s:793: Error: immediate value out of range 1 to 8 at operand 3 --
`shrn v1.8b,v1.8h,10'
/tmp/ccxRnB71.s:929: Error: immediate value out of range 1 to 8 at operand 3 --
`shrn v1.8b,v1.8h,9'
