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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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40
tests/test-float.mac
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@@ -114,16 +114,54 @@ f2 = %2
addf #^O41040,F2 ; taken literally
addf #1,ac1 ; as float
addf #1.,ac1 ; as float
addf #1.0,ac1 ; as float
addf #^D1,ac1 ; literally
subf #<1>,ac0 ; literally
addf #<1+1>,ac1 ; literally
subf #<1.0>,ac0 ; error
addf #1.5,ac1 ; as float
addd #-1.4,ac1 ; as float
subf #<^F 1.0>,ac0 ; as float
subf #<^D 1.0>,ac0 ; error
subf #<^D 1>,ac0 ; literally
subf #^D<1+1>,ac0 ; literally
subf #^D 1+1 ,ac0 ; literally
subf #1e3,ac0 ; as float
subf #1e 3,ac0 ; TODO: accepted by MACRO11 as 1E3 (but not 1 e3, 1 e 3)
a = 1
e3 = 3
subf #a,ac0 ; a interpreted as bit pattern
subf #<a>,ac0 ; a interpreted as bit pattern
subf #e3,ac0 ; e3 is the label
subf #<1e3>,ac0 ; error N
; TODO: let parser check for junk at end of line
absf #2.5 ; bad: operand is destination
tstd #2.5 ; bad: operand is considered FDST by the arch handbook
stf ac0,#2.5 ; bad: junk at end of line
stf ac0,#2 ; doesn't makes sense but MACRO11 allows it
; Test immediate source argument for instructions that have one (src or fsrc)
addd #1,ac0 ; float
addf #1,ac0 ; float
cmpd #1,ac0 ; float
cmpf #1,ac0 ; float
divd #1,ac0 ; float
divf #1,ac0 ; float
ldcdf #1,ac0 ; float
ldcfd #1,ac0 ; float
ldcid #1,ac0 ; integer
ldcif #1,ac0 ; integer
ldcld #1,ac0 ; integer
ldclf #1,ac0 ; integer
ldd #1,ac0 ; float
ldf #1,ac0 ; float
ldexp #1,ac0 ; integer
modd #1,ac0 ; float
modf #1,ac0 ; float
muld #1,ac0 ; float
mulf #1,ac0 ; float
subd #1,ac0 ; float
subf #1,ac0 ; float
.end