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; Test that we get errors when we require a register prefix.

; { dg-do assemble }

        .syntax register_prefix

start:

; Some simple tests that we indeed require a register prefix, and some

; that should not be flagged as syntax errors.

        push srp                ; { dg-error "(Illegal|Invalid) operands" }

        push r3                 ; { dg-error "(Illegal|Invalid) operands" }

        move.d $r7,r8           ; { dg-error "(Illegal|Invalid) operands" }

        move.d r8,[$r11]        ; { dg-error "(Illegal|Invalid) operands" }

        move.d $r8,[$r11+]

        move.d $r8,[$r10+$r9.b]

        move.d $r7,[$r10+[$r1].d]

        move.d $r7,[$r10+[$r3+].w]

        move $r8,srp            ; { dg-error "(Illegal|Invalid) operands" }

        move ccr,$r13           ; { dg-error "(Illegal|Invalid) operands" }

        movem r4,[$r12+]        ; { dg-error "(Illegal|Invalid) operands" }

; Here we have no ambiguity; r10 can only be a symbol when we reuire a

; prefix.  It does not just miss a size specifier, e.g. as in [r12+r10.d].

        move.d $r13,[$r12+r10]

        .syntax no_register_prefix

; Perhaps in this one we should backtrack and retry r10 as a symbol, but

; the ambiguity is closer to a programming error, so we should catch it as

; such.

        move.d $r13,[$r12+r10]  ; { dg-error "(Illegal|Invalid) operands" }

        move.d r13,[r12+r16]    ; No register named r16 so must be a symbol.

        nop