[Bug gas/23369] New: [AArch64] opcodes/aarch64-opc.c: CSSELR_EL1 incorrectly marked as read-only

[pexu at sourceware dot mail.kapsi.fi]

https://sourceware.org/bugzilla/show_bug.cgi?id=23369

            Bug ID: 23369
           Summary: [AArch64] opcodes/aarch64-opc.c: CSSELR_EL1
                    incorrectly marked as read-only
           Product: binutils
           Version: 2.32 (HEAD)
            Status: UNCONFIRMED
          Severity: minor
          Priority: P2
         Component: gas
          Assignee: unassigned at sourceware dot org
          Reporter: pexu at sourceware dot mail.kapsi.fi
  Target Milestone: ---

Hello.

As of commit f9830ec1655e7cc2aa88c9c34a20503978d9dc88 ("Implement Read/Write
constraints on system registers on AArch64") gas now checks for read/write-only
registers.

However, a small mistake has slipped in: CSSELR_EL1 (Cache Size Selection
Register) is now marked as a RO register, which is not true, as it is a normal
RW register [1].

[1] ARM DDI 0487C.a (ID121917), i.e. ARM Architecture Reference Manual ARMv8,
pg. 2422.

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