diff options
Diffstat (limited to 'cpu/m32r.cpu')
| -rw-r--r-- | cpu/m32r.cpu | 48 |
1 files changed, 29 insertions, 19 deletions
diff --git a/cpu/m32r.cpu b/cpu/m32r.cpu index e24fc3d..003c848 100644 --- a/cpu/m32r.cpu +++ b/cpu/m32r.cpu @@ -638,13 +638,21 @@ ; code. Usually there's a bit of over-specification, but in more complicated ; instruction sets there isn't. -; M32R specific operand attributes: +;; Print some operands take a hash prefix. +;; ??? Why don't we also handle one when parsing? -(define-attr - (for operand) - (type boolean) - (name HASH-PREFIX) - (comment "immediates have an optional '#' prefix") +(define-pmacro (duhpo x-name x-comment x-attrs x-type x-index) + (define-operand (name x-name) (comment x-comment) + (.splice attrs (.unsplice x-attrs)) + (type x-type) (index x-index) + (handlers (print "unsigned_with_hash_prefix"))) +) + +(define-pmacro (dshpo x-name x-comment x-attrs x-type x-index) + (define-operand (name x-name) (comment x-comment) + (.splice attrs (.unsplice x-attrs)) + (type x-type) (index x-index) + (handlers (print "signed_with_hash_prefix"))) ) ; ??? Convention says this should be o-sr, but then the insn definitions @@ -662,21 +670,23 @@ (dnop scr "source control register" () h-cr f-r2) (dnop dcr "destination control register" () h-cr f-r1) -(dnop simm8 "8 bit signed immediate" (HASH-PREFIX) h-sint f-simm8) -(dnop simm16 "16 bit signed immediate" (HASH-PREFIX) h-sint f-simm16) -(dnop uimm3 "3 bit unsigned number" (HASH-PREFIX) h-uint f-uimm3) -(dnop uimm4 "4 bit trap number" (HASH-PREFIX) h-uint f-uimm4) -(dnop uimm5 "5 bit shift count" (HASH-PREFIX) h-uint f-uimm5) -(dnop uimm8 "8 bit unsigned immediate" (HASH-PREFIX) h-uint f-uimm8) -(dnop uimm16 "16 bit unsigned immediate" (HASH-PREFIX) h-uint f-uimm16) +(dshpo simm8 "8 bit signed immediate" () h-sint f-simm8) +(dshpo simm16 "16 bit signed immediate" () h-sint f-simm16) +(duhpo uimm3 "3 bit unsigned number" () h-uint f-uimm3) +(duhpo uimm4 "4 bit trap number" () h-uint f-uimm4) +(duhpo uimm5 "5 bit shift count" () h-uint f-uimm5) +(duhpo uimm8 "8 bit unsigned immediate" () h-uint f-uimm8) +(duhpo uimm16 "16 bit unsigned immediate" () h-uint f-uimm16) + +(duhpo imm1 "1 bit immediate" ((MACH m32rx,m32r2)) h-uint f-imm1) -(dnop imm1 "1 bit immediate" ((MACH m32rx,m32r2) HASH-PREFIX) h-uint f-imm1) -(dnop accd "accumulator destination register" ((MACH m32rx,m32r2)) h-accums f-accd) -(dnop accs "accumulator source register" ((MACH m32rx,m32r2)) h-accums f-accs) -(dnop acc "accumulator reg (d)" ((MACH m32rx,m32r2)) h-accums f-acc) +(dnop accd "accumulator destination register" ((MACH m32rx,m32r2)) h-accums f-accd) +(dnop accs "accumulator source register" ((MACH m32rx,m32r2)) h-accums f-accs) +(dnop acc "accumulator reg (d)" ((MACH m32rx,m32r2)) h-accums f-acc) ; slo16,ulo16 are used in both with-hash-prefix/no-hash-prefix cases. -; e.g. add3 r3,r3,#1 and ld r3,@(4,r4). We could use HASH-PREFIX. +; e.g. add3 r3,r3,#1 and ld r3,@(4,r4). We could use special handlers on +; the operands themselves. ; Instead we create a fake operand `hash'. The m32r is an illustration port, ; so we often try out various ways of doing things. @@ -716,7 +726,7 @@ (handlers (parse "ulo16")) ) -(dnop uimm24 "24 bit address" (HASH-PREFIX) h-addr f-uimm24) +(dnop uimm24 "24 bit address" () h-addr f-uimm24) (define-operand (name disp8) |