ifpsp060/src/pfpsp.S

306 set EXC_FPREGS,		-36			# offset of all fp regs
330 set FP_SCR1,		LV+80			# fp scratch 1
336 set FP_SCR0,		LV+68			# fp scratch 0
342 set FP_DST,		LV+56			# fp destination operand
348 set FP_SRC,		LV+44			# fp source operand
670 # bit five of the fp extension word separates the monadic and dyadic operations
908 # bit five of the fp ext word separates the monadic and dyadic operations
1207 	fsave		FP_SRC(%a6)		# save fp state
1279 # bit five of the fp extension word separates the monadic and dyadic operations
1356 #	    save the result in the proper fp reg (unless the op is fcmp or ftst);
1631 # The fp move out that took the "Unimplemented Data Type" exception was
1824 # bit five of the fp extension word separates the monadic and dyadic operations
1934 #	    save the result in the proper fp reg (unless the op is fcmp or ftst);
3652 # bits four and five of the fp extension word separate the monadic and dyadic
4191 # Add this here so non-fp modules can compile.
5393 #	FP_SRC(a6) = fp op1(src)					#
5394 #	FP_DST(a6) = fp op2(dst)					#
5397 #	FP_SRC(a6) = fp op1 scaled(src)					#
5398 #	FP_DST(a6) = fp op2 scaled(dst)					#
6196 #	If sign of fp number = 0 (positive), then add 1 to l.	#
6213 #	If sign of fp number = 1 (negative), then add 1 to l.	#
6430 #	a0 = pointer fp extended precision operand to normalize		#
6587 #	set_tag_x(): return the optype of the input ext fp number	#
6667 #	set_tag_d(): return the optype of the input dbl fp number	#
6730 #	set_tag_s(): return the optype of the input sgl fp number	#
7051 #	fout(): move from fp register to memory or data register	#
8581 # operand will NOT overflow or underflow when moved into the fp reg file
8625 # operand WILL underflow when moved in to the fp register file
9361 # operand will NOT overflow or underflow when moved in to the fp reg file
9405 # operand WILL underflow when moved in to the fp register file
9979 # operand will NOT overflow or underflow when moved in to the fp reg file
10023 # operand WILL underflow when moved in to the fp register file
10166 #	fcmp(): fp compare op routine					#
12042 # operand will NOT overflow or underflow when moved in to the fp reg file
12095 # operand WILL underflow when moved in to the fp register file
12822 #	store_fpreg(): store an fp value to the fpreg designated d0.	#
12961 #	fp0 = exact fp representation of the packed bcd value.		#