ifpsp060/src/isp.S

1225 	mov.w		%d0,%a0			# sign extend displacement
1237 	mov.w		%d0,%a0			# sign extend displacement
1249 	mov.w		%d0,%a0			# sign extend displacement
1261 	mov.w		%d0,%a0			# sign extend displacement
1273 	mov.w		%d0,%a0			# sign extend displacement
1285 	mov.w		%d0,%a0			# sign extend displacement
1297 	mov.w		%d0,%a0			# sign extend displacement
1309 	mov.w		%d0,%a0			# sign extend displacement
1354 	ext.l		%d1			# sign extend word index
1362 	extb.l		%d0			# sign extend displacement
1421 	mov.w		%d0,%a0			# sign extend displacement
1470 	ext.l		%d1			# sign extend word index
1478 	extb.l		%d0			# sign extend displacement
1535 	ext.l		%d0			# sign extend bd
1563 	ext.l		%d0			# sign extend od
1878 # operation is byte, word, or long. The bounds are sign extended	#
1879 # accordingly. If Rn is a data register, Rn is also sign extended. If	#
1880 # Rn is an address register, it need not be sign extended since the	#
1929 # reading a longword. sign extend both. if it's a data operation,
1930 # sign extend Rn to long, also.
1941 	ext.l		%d0			# sign extend lo bnd
1942 	ext.l		%d1			# sign extend hi bnd
1945 	bne.w		chk2_cmp2_compare	# yes; don't sign extend
1948 # sign extend word to long so we can do simple longword compares.
1949 	ext.l		%d2			# sign extend data word
1953 # reading a word. sign extend both. if it's a data operation,
1954 # sign extend Rn to long, also.
1965 	extb.l		%d0			# sign extend lo bnd
1966 	extb.l		%d1			# sign extend hi bnd
1969 	bne.b		chk2_cmp2_compare	# yes; don't sign extend
1972 # sign extend byte to long so we can do simple longword compares.
1973 	extb.l		%d2			# sign extend data byte
2065 # sign info for later. Separate out special cases like divide-by-zero	#
2068 #	Restore sign info if signed instruction. Set the condition	#
2115 # save the sign of the divisor
2117 	tst.l		%d7			# chk sign of divisor
2118 	slt		NDIVISOR(%a6)		# save sign of divisor
2122 # save the sign of the dividend
2125 	tst.l		%d5			# chk sign of hi(dividend)
2126 	slt		NDIVIDEND(%a6)		# save sign of dividend
2169 	tst.b		NDIVIDEND(%a6)		# remainder has same sign
2503 # sign info for later. Perform the multiplication using 16x16->32	#
2544 # to unsigned and the result sign is saved for the end.
2554 # the result sign is the exclusive or of the operand sign bits.
2559 	eori.b		&0x1, EXC_TEMP(%a6)	# calculate correct sign