https://sourceware.org/bugzilla/show_bug.cgi?id=31376
Bug ID: 31376
Summary: AArch64: Assembler doesn't accept memory-form 2nd
operand for gcsstr and gcssttr.
Product: binutils
Version: 2.42
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: gas
Assignee: unassigned at sourceware dot org
Reporter: srinath.parvathaneni at arm dot com
Target Milestone: ---
Following gcs instructions does not accept memory-form 2nd operand as per
latest spec:
https://developer.arm.com/documentation/ddi0602/2023-12/Base-Instructions/GCSSTTR--Guarded-Control-Stack-unprivileged-Store-?lang=en
$ cat gcs.s
gcsstr x0,[x10]
gcssttr x0,[x10]
$ aarch64-none-elf-as gcs.s -march=armv9.4-a+gcs
gcs.s: Assembler messages:
gcs.s:1: Error: expected an integer or stack pointer register at operand 2 --
`gcsstr x0,[x10]'
gcs.s:2: Error: expected an integer or stack pointer register at operand 2 --
`gcssttr x0,[x10]'
$ aarch64-none-elf-as --version
GNU assembler (unknown) 2.42.50.20240213
Copyright (C) 2024 Free Software Foundation, Inc.
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