warn.s

GNU binutils是GNU交叉工具链中的一个源码包

; Test ARC specific assembler warnings
;
; { dg-do assemble { target arc-*-* } }

	b.d foo
	mov r0,256	; { dg-warning "8 byte instruction in delay slot" "8 byte instruction in delay slot" }

	j.d foo		; { dg-warning "8 byte jump instruction with delay slot" "8 byte jump instruction with delay slot" }
	mov r0,r1

foo:
.extCoreRegister roscreg,45,r,can_shortcut
.extCoreRegister woscreg,46,w,can_shortcut
        .section .text
         add    r0,woscreg,r1   ; { dg-warning "Error: attempt to read writeonly register" }
         add    roscreg,r1,r2   ; { dg-warning "Error: attempt to set readonly register" }