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Some floating point fixes.

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- Fixed immediate source operand of LDEXP, LD[IL][FD]
  which is an integer, unlike several other FPP instructions.
- Renamed floating point instruction formats so they match the
  instruction descriptions in the architecture handbook better.
This commit is contained in:
Olaf Seibert
2021-03-30 20:13:31 +02:00
parent b9b61a4659
commit 22fdaedded
7 changed files with 172 additions and 78 deletions
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81
tests/test-float.lst.ok
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@@ -137,31 +137,74 @@
114 000370 172227 041040 addf #^O41040,F2 ; taken literally
115 000374 172127 040200 addf #1,ac1 ; as float
116 000400 172127 040200 addf #1.,ac1 ; as float
117 000404 172127 000001 addf #^D1,ac1 ; literally
118 000410 172127 000002 addf #<1+1>,ac1 ; literally
119 000414 172127 040300 addf #1.5,ac1 ; as float
120 000420 172127 140263 addd #-1.4,ac1 ; as float
121
122 ; TODO: let parser check for junk at end of line
test-float.mac:123: ***ERROR Junk at end of line ('5 ; bad: ')
123 000424 170627 000002 absf #2.5 ; bad: operand is destination
test-float.mac:124: ***ERROR Junk at end of line ('5 ; bad: ')
124 000430 170527 000002 tstd #2.5 ; bad: operand is considered FDST by the arch handbook
test-float.mac:125: ***ERROR Junk at end of line ('5 ; bad: junk')
125 000434 174027 000002 stf ac0,#2.5 ; bad: junk at end of line
126 000440 174027 000002 stf ac0,#2 ; doesn't makes sense but MACRO11 allows it
127
128
129 .end
129
117 000404 172127 040200 addf #1.0,ac1 ; as float
118 000410 172127 000001 addf #^D1,ac1 ; literally
119 000414 173027 000001 subf #<1>,ac0 ; literally
120 000420 172127 000002 addf #<1+1>,ac1 ; literally
test-float.mac:121: ***ERROR Invalid addressing mode (1st operand, fsrc)
121 subf #<1.0>,ac0 ; error
122 000424 172127 040300 addf #1.5,ac1 ; as float
123 000430 172127 140263 addd #-1.4,ac1 ; as float
124 000434 173027 040200 subf #<^F 1.0>,ac0 ; as float
test-float.mac:125: ***ERROR Invalid addressing mode (1st operand, fsrc)
125 subf #<^D 1.0>,ac0 ; error
126 000440 173027 000001 subf #<^D 1>,ac0 ; literally
127 000444 173027 000002 subf #^D<1+1>,ac0 ; literally
128 000450 173027 000002 subf #^D 1+1 ,ac0 ; literally
129 000454 173027 042572 subf #1e3,ac0 ; as float
test-float.mac:130: ***ERROR Invalid syntax (comma expected)
130 subf #1e 3,ac0 ; TODO: accepted by MACRO11 as 1E3 (but not 1 e3, 1 e 3)
131 000001 a = 1
132 000003 e3 = 3
133 000460 173027 000001 subf #a,ac0 ; a interpreted as bit pattern
134 000464 173027 000001 subf #<a>,ac0 ; a interpreted as bit pattern
135 000470 173027 000003 subf #e3,ac0 ; e3 is the label
test-float.mac:136: ***ERROR Invalid addressing mode (1st operand, fsrc)
136 subf #<1e3>,ac0 ; error N
137
test-float.mac:138: ***ERROR Junk at end of line ('5 ; bad: ')
138 000474 170627 000002 absf #2.5 ; bad: operand is destination
test-float.mac:139: ***ERROR Junk at end of line ('5 ; bad: ')
139 000500 170527 000002 tstd #2.5 ; bad: operand is considered FDST by the arch handbook
test-float.mac:140: ***ERROR Junk at end of line ('5 ; bad: junk')
140 000504 174027 000002 stf ac0,#2.5 ; bad: junk at end of line
141 000510 174027 000002 stf ac0,#2 ; doesn't makes sense but MACRO11 allows it
142
143 ; Test immediate source argument for instructions that have one (src or fsrc)
144
145 000514 172027 040200 addd #1,ac0 ; float
146 000520 172027 040200 addf #1,ac0 ; float
147 000524 173427 040200 cmpd #1,ac0 ; float
148 000530 173427 040200 cmpf #1,ac0 ; float
149 000534 174427 040200 divd #1,ac0 ; float
150 000540 174427 040200 divf #1,ac0 ; float
151 000544 177427 040200 ldcdf #1,ac0 ; float
152 000550 177427 040200 ldcfd #1,ac0 ; float
153 000554 177027 000001 ldcid #1,ac0 ; integer
154 000560 177027 000001 ldcif #1,ac0 ; integer
155 000564 177027 000001 ldcld #1,ac0 ; integer
156 000570 177027 000001 ldclf #1,ac0 ; integer
157 000574 172427 040200 ldd #1,ac0 ; float
158 000600 172427 040200 ldf #1,ac0 ; float
159 000604 176427 000001 ldexp #1,ac0 ; integer
160 000610 171427 040200 modd #1,ac0 ; float
161 000614 171427 040200 modf #1,ac0 ; float
162 000620 171027 040200 muld #1,ac0 ; float
163 000624 171027 040200 mulf #1,ac0 ; float
164 000630 173027 040200 subd #1,ac0 ; float
165 000634 173027 040200 subf #1,ac0 ; float
166
167 .end
167
Symbol table
. ******R 001 AC0 =%000000 AC1 =%000001 F2 =%000002
. ******R 001 AC0 =%000000 E3 = 000003
A = 000001 AC1 =%000001 F2 =%000002
Program sections:
. ABS. 000000 000 (RW,I,GBL,ABS,OVR,NOSAV)
000444 001 (RW,I,LCL,REL,CON,NOSAV)
000640 001 (RW,I,LCL,REL,CON,NOSAV)