060sp/dist/fpsp.s

598 #	store_fpreg() - store opclass 0 or 2 result to FP regfile	#
601 #	fout() - emulate an opclass 3 instruction			#
602 #	tbl_unsupp - add of table of emulation routines for opclass 0,2	#
615 #	- The fsave frame contains the adjusted src op for opclass 0,2	#
631 # the default result (only if the instruction is opclass 3). For 	#
639 #	Also, in the case of an opclass three instruction where 	#
838 #	store_fpreg() - store opclass 0 or 2 result to FP regfile	#
841 #	fout() - emulate an opclass 3 instruction			#
842 #	tbl_unsupp - add of table of emulation routines for opclass 0,2	#
855 #	- The fsave frame contains the adjusted src op for opclass 0,2	#
871 # the default result (only if the instruction is opclass 3). For 	#
879 #	Also, in the case of an opclass three instruction where 	#
1113 #	store_fpreg() - store opclass 0 or 2 result to FP regfile	#
1117 #	fout() - emulate an opclass 3 instruction			#
1118 #	tbl_unsupp - add of table of emulation routines for opclass 0,2	#
1134 #	If Inexact exception (opclass 3):				#
1136 #	If SNAN exception (opclass 3):					#
1138 #	If OPERR exception (opclass 3):					#
1140 #	If OVFL exception (opclass 3):					#
1142 #	If UNFL exception (opclass 3):					#
1151 # unimplemented data types. These can be either opclass 0,2 or 3 	#
1154 #	For UNNORM/DENORM opclass 0 and 2, the handler fetches the src	#
1164 #	PACKED opclass 0 and 2 is similar in how the instruction is	#
1171 #	For UNNORM/DENORM opclass 3, the actual move out to memory is	#
1178 # _real_unfl(), or _real_ovfl() as appropriate. PACKED opclass 3 	#
1229 # if the exception is an opclass zero or two unimplemented data type
1251 # Separate opclass three (fpn-to-mem) ops since they have a different
1256 # Separate packed opclass two instructions.
1435 # If the input operand to this operation was opclass two and a single
1441 	bfextu		EXC_CMDREG(%a6){&0:&6},%d0 # extract opclass,src fmt
1567 # on extended precision opclass three instructions using pre-decrement or
1731 # underflow can happen for extended precision. extended precision opclass
2048 # The opclass two PACKED instruction that took an "Unimplemented Data Type"
2086 # unlike other opclass 3, unimplemented data type exceptions, packed must be
2384 #	store_fpreg() - store opclass 0 or 2 result to FP regfile	#
2387 #	tbl_unsupp - add of table of emulation routines for opclass 0,2	#
2720 # The opclass two instruction that took an "Unimplemented Effective Address"
3084 #	_dmem_write_{byte,word,long}() - store data to mem (opclass 3)	#
3085 #	store_dreg_{b,w,l}() - store data to data regfile (opclass 3)	#
3095 #	- The fsave frame contains the adjusted src op for opclass 0,2	#
3100 # for opclass zero and two instruction taking this exception, the 	#
3104 #	For opclass 3 instructions, the 060 doesn't store the default	#
3141 # this would be the case for opclass two operations with a source infinity or
3169 # although packed opclass three operations can take operand error
3273 #	_dmem_write_{byte,word,long}() - store data to mem (opclass 3)	#
3274 #	store_dreg_{b,w,l}() - store data to data regfile (opclass 3)	#
3285 #	- The fsave frame contains the adjusted src op for opclass 0,2	#
3290 # for opclass zero and two instructions taking this exception, the 	#
3294 #	For opclass 3 instructions, the 060 doesn't store the default	#
3302 #	For the case of an extended precision opclass 3 instruction,	#
3337 # this would be the case for opclass two operations with a source infinity or
3572 #	store_fpreg() - store opclass 0 or 2 result to FP regfile	#
3576 #	fout() - emulate an opclass 3 instruction			#
3577 #	tbl_unsupp - add of table of emulation routines for opclass 0,2	#
3586 #	- The fsave frame contains the adjusted src op for opclass 0,2	#
3591 # for opclass zero and two instruction taking this exception, the 	#
3596 #	For opclass 3 instructions, the 060 doesn't store the default	#
3727 # although packed opclass three operations can take inexact
3800 # this would be the case for opclass two operations with a source zero
3944 #	store_fpreg() - store opclass 0 or 2 result to FP regfile	#
19358 # 	The stacked <ea> for FP unimplemented instructions and opclass	#
19432 #			 and packed data opclass 3 operations.		#
19444 #	For opclass 3 extended and packed data operations, the <ea>	#
19595 # FP_SRC(a6) and FP_DST(a6). If the instruction was opclass zero, load	#
19599 # 	If the instruction is opclass two (memory->reg), then fetch	#
19601 # memory. Tag and fix both as above w/ opclass zero instructions.	#
19621 # | opclass | RX  | RY | EXTENSION |  (2nd word of general FP instruction)
19625 #	bfextu		EXC_CMDREG(%a6){&0:&3}, %d0 # extract opclass
20186 # opclass three move of an operand out to memory.			#
20187 #	Decode an fmove out (opclass 3) instruction to determine if	#
24775 # because we hadn't changed it yet. if it's an opclass two