Commit ab854bfc authored by Vineet Gupta's avatar Vineet Gupta
Browse files

ARCv2: entry: avoid a branch 



Signed-off-by: default avatarVineet Gupta <vgupta@synopsys.com>
parent 23c0cbd0

arch/arc/include/asm/entry-arcv2.h

+2 −3
Original line number Diff line number Diff line
@@ -100,12 +100,11 @@ 
	; 2. Upon entry SP is always saved (for any inspection, unwinding etc),

	;    but on return, restored only if U mode



	lr	r9, [AUX_USER_SP]			; U mode SP



	mov.nz	r9, sp

	add.nz	r9, r9, SZ_PT_REGS - PT_sp - 4		; K mode SP

	bnz	1f



	lr	r9, [AUX_USER_SP]			; U mode SP

1:

	PUSH	r9					; SP (pt_regs->sp)



	PUSH	fp