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Rev 60 Rev 82
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.global context_save
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.global context_save
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.global context_restore
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.global context_restore
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context_save:
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context_save:
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	alloc loc0 = ar.pfs, 1, 2, 0, 0
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	alloc loc0 = ar.pfs, 1, 9, 0, 0
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	/*
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	/*
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	 * TODO: save the rest of the context registers.
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	 * TODO: save the rest of the context registers.
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	 */
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	 */
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- 
 
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	/*
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	 * Save general registers
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	 */
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	st8 [in0] = r1, 8	;;
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	st8 [in0] = r1, 8	;;
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	st8 [in0] = r2, 8	;;
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	st8 [in0] = r2, 8	;;
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	st8 [in0] = r3, 8	;;
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	st8 [in0] = r3, 8	;;
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	st8 [in0] = r4, 8	;;
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	st8 [in0] = r4, 8	;;
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	st8 [in0] = r5, 8	;;
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	st8 [in0] = r5, 8	;;
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	st8 [in0] = r28, 8	;;
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	st8 [in0] = r28, 8	;;
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	st8 [in0] = r29, 8	;;
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	st8 [in0] = r29, 8	;;
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	st8 [in0] = r30, 8	;;
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	st8 [in0] = r30, 8	;;
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	st8 [in0] = r31, 8	;;
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	st8 [in0] = r31, 8	;;
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- 
 
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	/*
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	/* save pc */
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	 * Save branch registers
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	 */
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	mov loc1 = b0		;;
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	mov loc1 = b0		;;
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	st8 [in0] = loc1, 8		/* save pc */
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	mov loc2 = b1		;;
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	st8 [in0] = loc2, 8
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	mov loc3 = b2		;;
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	st8 [in0] = loc3, 8
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	mov loc4 = b3		;;
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	st8 [in0] = loc4, 8
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	mov loc5 = b4		;;
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	st8 [in0] = loc5, 8
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	mov loc6 = b5		;;
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	st8 [in0] = loc6, 8
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	mov loc7 = b6		;;
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	st8 [in0] = loc7, 8
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	mov loc8 = b7		;;
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	st8 [in0] = loc8, 8
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	/*
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	 * Save predicate registers
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	 */
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	mov loc1 = pr		;;
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	st8 [in0] = loc1, 8
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	st8 [in0] = loc1, 8
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	mov ar.pfs = loc0
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	mov ar.pfs = loc0
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	add r8 = r0, r0, 1 		/* context_save returns 1 */
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	add r8 = r0, r0, 1 		/* context_save returns 1 */
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	br.ret.sptk.many b0
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	br.ret.sptk.many b0
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context_restore:
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context_restore:
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	alloc loc0 = ar.pfs, 1, 2, 0, 0
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	alloc loc0 = ar.pfs, 1, 9, 0, 0
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	/*
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	/*
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	 * TODO: restore the rest of the context registers.
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	 * TODO: restore the rest of the context registers.
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	 */
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	 */
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- 
 
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	/*
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	 * Restore general registers
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	 */
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	ld8 r1 = [in0], 8	;;
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	ld8 r1 = [in0], 8	;;
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	ld8 r2 = [in0], 8	;;
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	ld8 r2 = [in0], 8	;;
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	ld8 r3 = [in0], 8	;;
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	ld8 r3 = [in0], 8	;;
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	ld8 r4 = [in0], 8	;;
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	ld8 r4 = [in0], 8	;;
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	ld8 r5 = [in0], 8	;;
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	ld8 r5 = [in0], 8	;;
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	ld8 r28 = [in0], 8	;;
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	ld8 r28 = [in0], 8	;;
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	ld8 r29 = [in0], 8	;;
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	ld8 r29 = [in0], 8	;;
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	ld8 r30 = [in0], 8	;;
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	ld8 r30 = [in0], 8	;;
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	ld8 r31 = [in0], 8	;;
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	ld8 r31 = [in0], 8	;;
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- 
 
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	/*
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	/* restore pc */
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	 * Restore branch registers
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	 */
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	ld8 loc1 = [in0], 8	;;
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	ld8 loc1 = [in0], 8	;;	/* restore pc */
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	mov b0 = loc1
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	mov b0 = loc1
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	ld8 loc2 = [in0], 8	;;
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	mov b1 = loc2
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	ld8 loc3 = [in0], 8	;;
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	mov b2 = loc3
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	ld8 loc4 = [in0], 8	;;
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	mov b3 = loc4
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	ld8 loc5 = [in0], 8	;;
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	mov b4 = loc5
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	ld8 loc6 = [in0], 8	;;
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	mov b5 = loc6
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	ld8 loc7 = [in0], 8	;;
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	mov b6 = loc7
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	ld8 loc8 = [in0], 8	;;
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	mov b7 = loc8
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	ld8 loc1 = [in0], 8	;;
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	mov pr = loc1, ~0
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	mov ar.pfs = loc0
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	mov ar.pfs = loc0
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	mov r8 = r0			/* context_restore returns 0 */
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	mov r8 = r0			/* context_restore returns 0 */
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	br.ret.sptk.many b0
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	br.ret.sptk.many b0