ifpsp060/src/fpsp.S

1381 #		restore exc state (SNAN||OPERR||OVFL||UNFL||DZ||INEX) into the FPU;
1541 #	SNAN	: none
1857 #	SNAN	: all dyadic ops
1959 #		restore exc state (SNAN||OPERR||OVFL||UNFL||DZ||INEX) into the FPU;
1978 # this is INCORRECT for enabled SNAN which would give to the user the skewed SNAN!!!
2098 #	SNAN	: yes
2609 #	SNAN	: all operations
3286 # SNAN result out to memory or data register file as it should.		#
3291 # which creates an access error stack frame from the current SNAN	#
11533 #	res_snan() - return SNAN result					#
12029 #	res_snan_1op() - return SNAN result				#
12350 #	res_snan() - return SNAN result					#
13161 	cmpi.b		%d1,&SNAN		# weed out SNAN
13363 	cmpi.b		%d1,&SNAN		# weed out SNAN
13717 	cmpi.b		%d1,&SNAN		# weed out SNAN
13739 #	res_snan() - return SNAN result					#
13792 	short		fcmp_res_snan	- tbl_fcmp_op # NORM - SNAN
13801 	short		fcmp_res_snan	- tbl_fcmp_op # ZERO - SNAN
13810 	short		fcmp_res_snan	- tbl_fcmp_op # INF - SNAN
13819 	short		fcmp_res_snan	- tbl_fcmp_op # QNAN - SNAN
13828 	short		fcmp_res_snan	- tbl_fcmp_op # DENORM - SNAN
13832 	short		fcmp_res_snan	- tbl_fcmp_op # SNAN - NORM
13833 	short		fcmp_res_snan	- tbl_fcmp_op # SNAN - ZERO
13834 	short		fcmp_res_snan	- tbl_fcmp_op # SNAN - INF
13835 	short		fcmp_res_snan	- tbl_fcmp_op # SNAN - QNAN
13836 	short		fcmp_res_snan	- tbl_fcmp_op # SNAN - DENORM
13837 	short		fcmp_res_snan	- tbl_fcmp_op # SNAN - SNAN
13841 # unlike all other functions for QNAN and SNAN, fcmp does NOT set the
13842 # 'N' bit for a negative QNAN or SNAN input so we must squelch it here.
14539 	short		fsgldiv_res_snan	- tbl_fsgldiv_op # NORM / SNAN
14548 	short		fsgldiv_res_snan	- tbl_fsgldiv_op # ZERO / SNAN
14557 	short		fsgldiv_res_snan	- tbl_fsgldiv_op # INF / SNAN
14566 	short		fsgldiv_res_snan	- tbl_fsgldiv_op # QNAN / SNAN
14575 	short		fsgldiv_res_snan	- tbl_fsgldiv_op # DENORM / SNAN
14579 	short		fsgldiv_res_snan	- tbl_fsgldiv_op # SNAN / NORM
14580 	short		fsgldiv_res_snan	- tbl_fsgldiv_op # SNAN / ZERO
14581 	short		fsgldiv_res_snan	- tbl_fsgldiv_op # SNAN / INF
14582 	short		fsgldiv_res_snan	- tbl_fsgldiv_op # SNAN / QNAN
14583 	short		fsgldiv_res_snan	- tbl_fsgldiv_op # SNAN / DENORM
14584 	short		fsgldiv_res_snan	- tbl_fsgldiv_op # SNAN / SNAN
14903 	short		fadd_res_snan	- tbl_fadd_op # NORM + SNAN
14912 	short		fadd_res_snan	- tbl_fadd_op # NORM + SNAN
14921 	short		fadd_res_snan	- tbl_fadd_op # NORM + SNAN
14930 	short		fadd_res_snan	- tbl_fadd_op # QNAN + SNAN
14939 	short		fadd_res_snan	- tbl_fadd_op # NORM + SNAN
14943 	short		fadd_res_snan	- tbl_fadd_op # SNAN + NORM
14944 	short		fadd_res_snan	- tbl_fadd_op # SNAN + ZERO
14945 	short		fadd_res_snan	- tbl_fadd_op # SNAN + INF
14946 	short		fadd_res_snan	- tbl_fadd_op # SNAN + QNAN
14947 	short		fadd_res_snan	- tbl_fadd_op # SNAN + DENORM
14948 	short		fadd_res_snan	- tbl_fadd_op # SNAN + SNAN
15356 	short		fsub_res_snan	- tbl_fsub_op # NORM - SNAN
15365 	short		fsub_res_snan	- tbl_fsub_op # NORM - SNAN
15374 	short		fsub_res_snan	- tbl_fsub_op # NORM - SNAN
15383 	short		fsub_res_snan	- tbl_fsub_op # QNAN - SNAN
15392 	short		fsub_res_snan	- tbl_fsub_op # NORM - SNAN
15396 	short		fsub_res_snan	- tbl_fsub_op # SNAN - NORM
15397 	short		fsub_res_snan	- tbl_fsub_op # SNAN - ZERO
15398 	short		fsub_res_snan	- tbl_fsub_op # SNAN - INF
15399 	short		fsub_res_snan	- tbl_fsub_op # SNAN - QNAN
15400 	short		fsub_res_snan	- tbl_fsub_op # SNAN - DENORM
15401 	short		fsub_res_snan	- tbl_fsub_op # SNAN - SNAN
15511 #	res_snan_1op() - return SNAN result				#
15806 	cmpi.b		%d1,&SNAN		# weed out SNAN
16142 #	res_snan(): return default result w/ SNAN operand for dyadic	#
16144 #	res_snan_1op(): return dflt result w/ SNAN operand for monadic	#
16161 #	If either operand to an operation is a signalling NAN (SNAN),	#
16162 # then, the SNAN bit is set in the FPSR EXC byte. If the SNAN trap	#
16164 # destination is not modified. If the SNAN trap enable bit is not set,	#
16165 # then the SNAN is converted to a nonsignalling NAN (by setting the	#
16166 # SNAN bit in the operand to one), and the operation continues as	#
16176 	cmp.b		DTAG(%a6), &SNAN	# is the dst an SNAN?
16186 	bset		&0x6, FP_SRC_HI(%a6)	# set SNAN bit
16198 	bset		&0x6, FP_DST_HI(%a6)	# set SNAN bit
16203 	cmp.b		STAG(%a6), &SNAN