mirror of
https://review.haiku-os.org/buildtools
synced 2024-11-23 07:18:49 +01:00
1749 lines
49 KiB
Scheme
1749 lines
49 KiB
Scheme
; Hitachi SHcompact instruction set description. -*- Scheme -*-
|
||
;
|
||
; Copyright 2000, 2007, 2009 Free Software Foundation, Inc.
|
||
;
|
||
; Contributed by Red Hat Inc; developed under contract from Hitachi
|
||
; Semiconductor (America) Inc.
|
||
;
|
||
; This file is part of the GNU Binutils.
|
||
;
|
||
; This program is free software; you can redistribute it and/or modify
|
||
; it under the terms of the GNU General Public License as published by
|
||
; the Free Software Foundation; either version 3 of the License, or
|
||
; (at your option) any later version.
|
||
;
|
||
; This program is distributed in the hope that it will be useful,
|
||
; but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||
; GNU General Public License for more details.
|
||
;
|
||
; You should have received a copy of the GNU General Public License
|
||
; along with this program; if not, write to the Free Software
|
||
; Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
|
||
; MA 02110-1301, USA.
|
||
|
||
; dshcf -- define-normal-sh-compact-field
|
||
|
||
(define-pmacro (dshcf xname xcomment ignored xstart xlength)
|
||
(dnf xname xcomment ((ISA compact)) xstart xlength))
|
||
|
||
; dshcop -- define-normal-sh-compact-operand
|
||
|
||
(define-pmacro (dshcop xname xcomment ignored xhardware xfield)
|
||
(dnop xname xcomment ((ISA compact)) xhardware xfield))
|
||
|
||
|
||
; SHcompact-specific attributes.
|
||
|
||
(define-attr
|
||
(for insn)
|
||
(type boolean)
|
||
(name ILLSLOT)
|
||
(comment "instruction may not appear in a delay slot")
|
||
)
|
||
|
||
(define-attr
|
||
(for insn)
|
||
(type boolean)
|
||
(name FP-INSN)
|
||
(comment "floating point instruction")
|
||
)
|
||
|
||
(define-keyword
|
||
(name frc-names)
|
||
(attrs (ISA compact))
|
||
(print-name h-frc)
|
||
(values (fr0 0) (fr1 1) (fr2 2) (fr3 3) (fr4 4) (fr5 5)
|
||
(fr6 6) (fr7 7) (fr8 8) (fr9 9) (fr10 10) (fr11 11)
|
||
(fr12 12) (fr13 13) (fr14 14) (fr15 15))
|
||
)
|
||
|
||
(define-keyword
|
||
(name drc-names)
|
||
(attrs (ISA compact))
|
||
(print-name h-drc)
|
||
(values (dr0 0) (dr2 2) (dr4 4) (dr6 6) (dr8 8) (dr10 10) (dr12 12) (dr14 14))
|
||
)
|
||
|
||
(define-keyword
|
||
(name xf-names)
|
||
(attrs (ISA compact))
|
||
(print-name h-xf)
|
||
(values (xf0 0) (xf1 1) (xf2 2) (xf3 3) (xf4 4) (xf5 5)
|
||
(xf6 6) (xf7 7) (xf8 8) (xf9 9) (xf10 10) (xf11 11)
|
||
(xf12 12) (xf13 13) (xf14 14) (xf15 15))
|
||
)
|
||
|
||
; Hardware specific to the SHcompact mode.
|
||
|
||
(define-pmacro (front) (mul 16 frbit))
|
||
(define-pmacro (back) (mul 16 (not frbit)))
|
||
|
||
(define-hardware
|
||
(name h-frc)
|
||
(comment "Single precision floating point registers")
|
||
(attrs VIRTUAL (ISA compact))
|
||
(indices extern-keyword frc-names)
|
||
(type register SF (16))
|
||
(get (index) (reg h-fr (add (front) index)))
|
||
(set (index newval) (set (reg h-fr (add (front) index)) newval))
|
||
)
|
||
|
||
(define-hardware
|
||
(name h-drc)
|
||
(comment "Double precision floating point registers")
|
||
(attrs VIRTUAL (ISA compact))
|
||
(indices extern-keyword drc-names)
|
||
(type register DF (8))
|
||
(get (index) (reg h-dr (add (front) index)))
|
||
(set (index newval) (set (reg h-dr (add (front) index)) newval))
|
||
)
|
||
|
||
(define-hardware
|
||
(name h-xf)
|
||
(comment "Extended single precision floating point registers")
|
||
(attrs VIRTUAL (ISA compact))
|
||
(indices extern-keyword xf-names)
|
||
(type register SF (16))
|
||
(get (index) (reg h-fr (add (back) index)))
|
||
(set (index newval) (set (reg h-fr (add (back) index)) newval))
|
||
)
|
||
|
||
(define-hardware
|
||
(name h-xd)
|
||
(comment "Extended double precision floating point registers")
|
||
(attrs VIRTUAL (ISA compact))
|
||
(indices extern-keyword frc-names)
|
||
(type register DF (8))
|
||
(get (index) (reg h-dr (add (back) index)))
|
||
(set (index newval) (set (reg h-dr (add (back) index)) newval))
|
||
)
|
||
|
||
(define-hardware
|
||
(name h-fvc)
|
||
(comment "Single precision floating point vectors")
|
||
(attrs VIRTUAL (ISA compact))
|
||
(indices keyword "" ((fv0 0) (fv4 4) (fv8 8) (fv12 12)))
|
||
(type register SF (4))
|
||
(get (index) (reg h-fr (add (front) index)))
|
||
(set (index newval) (set (reg h-fr (add (front) index)) newval))
|
||
)
|
||
|
||
(define-hardware
|
||
(name h-fpccr)
|
||
(comment "SHcompact floating point status/control register")
|
||
(attrs VIRTUAL (ISA compact))
|
||
(type register SI)
|
||
(get () (or (or (or (raw-reg h-fpscr) (sll SI prbit 19)) (sll SI szbit 20)) (sll SI frbit 21)))
|
||
(set (newvalue) (sequence ()
|
||
(set (reg h-fpscr) newvalue)
|
||
(set prbit (and (srl newvalue 19) 1))
|
||
(set szbit (and (srl newvalue 20) 1))
|
||
(set frbit (and (srl newvalue 21) 1))))
|
||
)
|
||
|
||
(define-hardware
|
||
(name h-gbr)
|
||
(comment "Global base register")
|
||
(attrs VIRTUAL (ISA compact))
|
||
(type register SI)
|
||
(get () (subword SI (raw-reg h-gr 16) 1))
|
||
(set (newval) (set (raw-reg h-gr 16) (ext DI newval)))
|
||
)
|
||
|
||
(define-hardware
|
||
(name h-pr)
|
||
(comment "Procedure link register")
|
||
(attrs VIRTUAL (ISA compact))
|
||
(type register SI)
|
||
(get () (subword SI (raw-reg h-gr 18) 1))
|
||
(set (newval) (set (raw-reg h-gr 18) (ext DI newval)))
|
||
)
|
||
|
||
(define-hardware
|
||
(name h-macl)
|
||
(comment "Multiple-accumulate low register")
|
||
(attrs VIRTUAL (ISA compact))
|
||
(type register SI)
|
||
(get () (subword SI (raw-reg h-gr 17) 1))
|
||
(set (newval) (set (raw-reg h-gr 17) (-join-si (subword SI (raw-reg h-gr 17) 0) newval)))
|
||
)
|
||
|
||
(define-hardware
|
||
(name h-mach)
|
||
(comment "Multiply-accumulate high register")
|
||
(attrs VIRTUAL (ISA compact))
|
||
(type register SI)
|
||
(get () (subword SI (raw-reg h-gr 17) 0))
|
||
(set (newval) (set (raw-reg h-gr 17) (-join-si newval (subword SI (raw-reg h-gr 17) 1))))
|
||
)
|
||
|
||
(define-hardware
|
||
(name h-tbit)
|
||
(comment "Condition code flag")
|
||
(attrs VIRTUAL (ISA compact))
|
||
(type register BI)
|
||
(get () (and BI (raw-reg h-gr 19) 1))
|
||
(set (newval) (set (raw-reg h-gr 19) (or (and (raw-reg h-gr 19) (inv DI 1)) (zext DI newval))))
|
||
)
|
||
|
||
|
||
(dshcf f-op4 "Opcode (4 bits)" () 15 4)
|
||
(dshcf f-op8 "Opcode (8 bits)" () 15 8)
|
||
(dshcf f-op16 "Opcode (16 bits)" () 15 16)
|
||
|
||
(dshcf f-sub4 "Sub opcode (4 bits)" () 3 4)
|
||
(dshcf f-sub8 "Sub opcode (8 bits)" () 7 8)
|
||
(dshcf f-sub10 "Sub opcode (10 bits)" () 9 10)
|
||
|
||
(dshcf f-rn "Register selector n" () 11 4)
|
||
(dshcf f-rm "Register selector m" () 7 4)
|
||
|
||
(dshcf f-8-1 "One bit at bit 8" () 8 1)
|
||
|
||
(df f-disp8 "Displacement (8 bits)" ((ISA compact) PCREL-ADDR) 7 8 INT
|
||
((value pc) (sra SI value 1))
|
||
((value pc) (add SI (sll SI value 1) (add pc 4))))
|
||
|
||
(df f-disp12 "Displacement (12 bits)" ((ISA compact) PCREL-ADDR) 11 12 INT
|
||
((value pc) (sra SI value 1))
|
||
((value pc) (add SI (sll SI value 1) (add pc 4))))
|
||
|
||
(dshcf f-imm8 "Immediate (8 bits)" () 7 8)
|
||
(dshcf f-imm4 "Immediate (4 bits)" () 3 4)
|
||
|
||
(df f-imm4x2 "Immediate (4 bits)" ((ISA compact)) 3 4 UINT
|
||
((value pc) (srl SI value 1))
|
||
((value pc) (sll SI value 1)))
|
||
|
||
(df f-imm4x4 "Immediate (4 bits)" ((ISA compact)) 3 4 UINT
|
||
((value pc) (srl SI value 2))
|
||
((value pc) (sll SI value 2)))
|
||
|
||
(df f-imm8x2 "Immediate (8 bits)" ((ISA compact)) 7 8 UINT
|
||
((value pc) (sra SI value 1))
|
||
((value pc) (sll SI value 1)))
|
||
|
||
(df f-imm8x4 "Immediate (8 bits)" ((ISA compact)) 7 8 UINT
|
||
((value pc) (sra SI value 2))
|
||
((value pc) (sll SI value 2)))
|
||
|
||
(df f-dn "Double selector n" ((ISA compact)) 11 3 UINT
|
||
((value pc) (srl SI value 1))
|
||
((value pc) (sll SI value 1)))
|
||
|
||
(df f-dm "Double selector m" ((ISA compact)) 7 3 UINT
|
||
((value pc) (srl SI value 1))
|
||
((value pc) (sll SI value 1)))
|
||
|
||
(df f-vn "Vector selector n" ((ISA compact)) 11 2 UINT
|
||
((value pc) (srl SI value 2))
|
||
((value pc) (sll SI value 2)))
|
||
|
||
(df f-vm "Vector selector m" ((ISA compact)) 9 2 UINT
|
||
((value pc) (srl SI value 2))
|
||
((value pc) (sll SI value 2)))
|
||
|
||
(df f-xn "Extended selector n" ((ISA compact)) 11 3 UINT
|
||
((value pc) (srl SI value 1))
|
||
((value pc) (add SI (sll SI value 1) 1)))
|
||
|
||
(df f-xm "Extended selector m" ((ISA compact)) 7 3 UINT
|
||
((value pc) (srl SI value 1))
|
||
((value pc) (add SI (sll SI value 1) 1)))
|
||
|
||
|
||
; Operands.
|
||
|
||
(dshcop rm "Left general purpose register" () h-grc f-rm)
|
||
(dshcop rn "Right general purpose register" () h-grc f-rn)
|
||
(dshcop r0 "Register 0" () h-grc 0)
|
||
|
||
(dshcop frn "Single precision register" () h-frc f-rn)
|
||
(dshcop frm "Single precision register" () h-frc f-rm)
|
||
|
||
(dshcop fvn "Left floating point vector" () h-fvc f-vn)
|
||
(dshcop fvm "Right floating point vector" () h-fvc f-vm)
|
||
|
||
(dshcop drn "Left double precision register" () h-drc f-dn)
|
||
(dshcop drm "Right double precision register" () h-drc f-dm)
|
||
|
||
(dshcop imm4 "Immediate value (4 bits)" () h-sint f-imm4)
|
||
(dshcop imm8 "Immediate value (8 bits)" () h-sint f-imm8)
|
||
(dshcop uimm8 "Immediate value (8 bits unsigned)" () h-uint f-imm8)
|
||
|
||
(dshcop imm4x2 "Immediate value (4 bits, 2x scale)" () h-uint f-imm4x2)
|
||
(dshcop imm4x4 "Immediate value (4 bits, 4x scale)" () h-uint f-imm4x4)
|
||
(dshcop imm8x2 "Immediate value (8 bits, 2x scale)" () h-uint f-imm8x2)
|
||
(dshcop imm8x4 "Immediate value (8 bits, 4x scale)" () h-uint f-imm8x4)
|
||
|
||
(dshcop disp8 "Displacement (8 bits)" () h-iaddr f-disp8)
|
||
(dshcop disp12 "Displacement (12 bits)" () h-iaddr f-disp12)
|
||
|
||
(dshcop rm64 "Register m (64 bits)" () h-gr f-rm)
|
||
(dshcop rn64 "Register n (64 bits)" () h-gr f-rn)
|
||
|
||
(dshcop gbr "Global base register" () h-gbr f-nil)
|
||
(dshcop pr "Procedure link register" () h-pr f-nil)
|
||
|
||
(dshcop fpscr "Floating point status/control register" () h-fpccr f-nil)
|
||
|
||
(dshcop tbit "Condition code flag" () h-tbit f-nil)
|
||
(dshcop sbit "Multiply-accumulate saturation flag" () h-sbit f-nil)
|
||
(dshcop mbit "Divide-step M flag" () h-mbit f-nil)
|
||
(dshcop qbit "Divide-step Q flag" () h-qbit f-nil)
|
||
(dshcop fpul "Floating point ???" () h-fr 32)
|
||
|
||
(dshcop frbit "Floating point register bank bit" () h-frbit f-nil)
|
||
(dshcop szbit "Floating point transfer size bit" () h-szbit f-nil)
|
||
(dshcop prbit "Floating point precision bit" () h-prbit f-nil)
|
||
|
||
(dshcop macl "Multiply-accumulate low register" () h-macl f-nil)
|
||
(dshcop mach "Multiply-accumulate high register" () h-mach f-nil)
|
||
|
||
|
||
(define-operand (name fsdm) (comment "bar")
|
||
(attrs (ISA compact)) (type h-frc) (index f-rm) (handlers (parse "fsd")))
|
||
|
||
(define-operand (name fsdn) (comment "bar")
|
||
(attrs (ISA compact)) (type h-frc) (index f-rn))
|
||
|
||
|
||
; Cover macro to dni to indicate these are all SHcompact instructions.
|
||
; dshmi: define-normal-sh-compact-insn
|
||
|
||
(define-pmacro (dshci xname xcomment xattrs xsyntax xformat xsemantics)
|
||
(define-insn
|
||
(name (.sym xname -compact))
|
||
(comment xcomment)
|
||
(.splice attrs (.unsplice xattrs) (ISA compact))
|
||
(syntax xsyntax)
|
||
(format xformat)
|
||
(semantics xsemantics)))
|
||
|
||
(define-pmacro (dr operand) (reg h-dr (index-of operand)))
|
||
(define-pmacro (xd x) (reg h-xd (and (index-of x) (inv QI 1))))
|
||
|
||
(dshci add "Add"
|
||
()
|
||
"add $rm, $rn"
|
||
(+ (f-op4 3) rn rm (f-sub4 12))
|
||
(set rn (add rn rm)))
|
||
|
||
(dshci addi "Add immediate"
|
||
()
|
||
"add #$imm8, $rn"
|
||
(+ (f-op4 7) rn imm8)
|
||
(set rn (add rn (ext SI (and QI imm8 255)))))
|
||
|
||
(dshci addc "Add with carry"
|
||
()
|
||
"addc $rm, $rn"
|
||
(+ (f-op4 3) rn rm (f-sub4 14))
|
||
(sequence ((BI flag))
|
||
(set flag (add-cflag rn rm tbit))
|
||
(set rn (addc rn rm tbit))
|
||
(set tbit flag)))
|
||
|
||
(dshci addv "Add with overflow"
|
||
()
|
||
"addv $rm, $rn"
|
||
(+ (f-op4 3) rn rm (f-sub4 15))
|
||
(sequence ((BI t))
|
||
(set t (add-oflag rn rm 0))
|
||
(set rn (add rn rm))
|
||
(set tbit t)))
|
||
|
||
(dshci and "Bitwise AND"
|
||
()
|
||
"and $rm64, $rn64"
|
||
(+ (f-op4 2) rn64 rm64 (f-sub4 9))
|
||
(set rn64 (and rm64 rn64)))
|
||
|
||
(dshci andi "Bitwise AND immediate"
|
||
()
|
||
"and #$uimm8, r0"
|
||
(+ (f-op8 #xc9) uimm8)
|
||
(set r0 (and r0 (zext DI uimm8))))
|
||
|
||
(dshci andb "Bitwise AND memory byte"
|
||
()
|
||
"and.b #$imm8, @(r0, gbr)"
|
||
(+ (f-op8 #xcd) imm8)
|
||
(sequence ((DI addr) (UQI data))
|
||
(set addr (add r0 gbr))
|
||
(set data (and (mem UQI addr) imm8))
|
||
(set (mem UQI addr) data)))
|
||
|
||
(dshci bf "Conditional branch"
|
||
()
|
||
"bf $disp8"
|
||
(+ (f-op8 #x8b) disp8)
|
||
(if (not tbit)
|
||
(set pc disp8)))
|
||
|
||
(dshci bfs "Conditional branch with delay slot"
|
||
()
|
||
"bf/s $disp8"
|
||
(+ (f-op8 #x8f) disp8)
|
||
(if (not tbit)
|
||
(delay 1 (set pc disp8))))
|
||
|
||
(dshci bra "Branch"
|
||
()
|
||
"bra $disp12"
|
||
(+ (f-op4 10) disp12)
|
||
(delay 1 (set pc disp12)))
|
||
|
||
(dshci braf "Branch far"
|
||
()
|
||
"braf $rn"
|
||
(+ (f-op4 0) rn (f-sub8 35))
|
||
(delay 1 (set pc (add (ext DI rn) (add pc 4)))))
|
||
|
||
(dshci brk "Breakpoint"
|
||
()
|
||
"brk"
|
||
(+ (f-op16 59))
|
||
(c-call "sh64_break" pc))
|
||
|
||
(dshci bsr "Branch to subroutine"
|
||
()
|
||
"bsr $disp12"
|
||
(+ (f-op4 11) disp12)
|
||
(delay 1 (sequence ()
|
||
(set pr (add pc 4))
|
||
(set pc disp12))))
|
||
|
||
(dshci bsrf "Branch to far subroutine"
|
||
()
|
||
"bsrf $rn"
|
||
(+ (f-op4 0) rn (f-sub8 3))
|
||
(delay 1 (sequence ()
|
||
(set pr (add pc 4))
|
||
(set pc (add (ext DI rn) (add pc 4))))))
|
||
|
||
(dshci bt "Conditional branch"
|
||
()
|
||
"bt $disp8"
|
||
(+ (f-op8 #x89) disp8)
|
||
(if tbit
|
||
(set pc disp8)))
|
||
|
||
(dshci bts "Conditional branch with delay slot"
|
||
()
|
||
"bt/s $disp8"
|
||
(+ (f-op8 #x8d) disp8)
|
||
(if tbit
|
||
(delay 1 (set pc disp8))))
|
||
|
||
(dshci clrmac "Clear MACL and MACH"
|
||
()
|
||
"clrmac"
|
||
(+ (f-op16 40))
|
||
(sequence ()
|
||
(set macl 0)
|
||
(set mach 0)))
|
||
|
||
(dshci clrs "Clear S-bit"
|
||
()
|
||
"clrs"
|
||
(+ (f-op16 72))
|
||
(set sbit 0))
|
||
|
||
(dshci clrt "Clear T-bit"
|
||
()
|
||
"clrt"
|
||
(+ (f-op16 8))
|
||
(set tbit 0))
|
||
|
||
(dshci cmpeq "Compare if equal"
|
||
()
|
||
"cmp/eq $rm, $rn"
|
||
(+ (f-op4 3) rn rm (f-sub4 0))
|
||
(set tbit (eq rm rn)))
|
||
|
||
(dshci cmpeqi "Compare if equal (immediate)"
|
||
()
|
||
"cmp/eq #$imm8, r0"
|
||
(+ (f-op8 #x88) imm8)
|
||
(set tbit (eq r0 (ext SI (and QI imm8 255)))))
|
||
|
||
(dshci cmpge "Compare if greater than or equal"
|
||
()
|
||
"cmp/ge $rm, $rn"
|
||
(+ (f-op4 3) rn rm (f-sub4 3))
|
||
(set tbit (ge rn rm)))
|
||
|
||
(dshci cmpgt "Compare if greater than"
|
||
()
|
||
"cmp/gt $rm, $rn"
|
||
(+ (f-op4 3) rn rm (f-sub4 7))
|
||
(set tbit (gt rn rm)))
|
||
|
||
(dshci cmphi "Compare if greater than (unsigned)"
|
||
()
|
||
"cmp/hi $rm, $rn"
|
||
(+ (f-op4 3) rn rm (f-sub4 6))
|
||
(set tbit (gtu rn rm)))
|
||
|
||
(dshci cmphs "Compare if greater than or equal (unsigned)"
|
||
()
|
||
"cmp/hs $rm, $rn"
|
||
(+ (f-op4 3) rn rm (f-sub4 2))
|
||
(set tbit (geu rn rm)))
|
||
|
||
(dshci cmppl "Compare if greater than zero"
|
||
()
|
||
"cmp/pl $rn"
|
||
(+ (f-op4 4) rn (f-sub8 21))
|
||
(set tbit (gt rn 0)))
|
||
|
||
(dshci cmppz "Compare if greater than or equal zero"
|
||
()
|
||
"cmp/pz $rn"
|
||
(+ (f-op4 4) rn (f-sub8 17))
|
||
(set tbit (ge rn 0)))
|
||
|
||
(dshci cmpstr "Compare bytes"
|
||
()
|
||
"cmp/str $rm, $rn"
|
||
(+ (f-op4 2) rn rm (f-sub4 12))
|
||
(sequence ((BI t) (SI temp))
|
||
(set temp (xor rm rn))
|
||
(set t (eq (and temp #xff000000) 0))
|
||
(set t (or (eq (and temp #xff0000) 0) t))
|
||
(set t (or (eq (and temp #xff00) 0) t))
|
||
(set t (or (eq (and temp #xff) 0) t))
|
||
(set tbit (if BI (gtu t 0) 1 0))))
|
||
|
||
(dshci div0s "Initialise divide-step state for signed division"
|
||
()
|
||
"div0s $rm, $rn"
|
||
(+ (f-op4 2) rn rm (f-sub4 7))
|
||
(sequence ()
|
||
(set qbit (srl rn 31))
|
||
(set mbit (srl rm 31))
|
||
(set tbit (if BI (eq (srl rm 31) (srl rn 31)) 0 1))))
|
||
|
||
(dshci div0u "Initialise divide-step state for unsigned division"
|
||
()
|
||
"div0u"
|
||
(+ (f-op16 25))
|
||
(sequence ()
|
||
(set tbit 0)
|
||
(set qbit 0)
|
||
(set mbit 0)))
|
||
|
||
(dshci div1 "Divide step"
|
||
()
|
||
"div1 $rm, $rn"
|
||
(+ (f-op4 3) rn rm (f-sub4 4))
|
||
(sequence ((BI oldq) (SI tmp0) (UQI tmp1))
|
||
(set oldq qbit)
|
||
(set qbit (srl rn 31))
|
||
(set rn (or (sll rn 1) (zext SI tbit)))
|
||
(if (not oldq)
|
||
(if (not mbit)
|
||
(sequence ()
|
||
(set tmp0 rn)
|
||
(set rn (sub rn rm))
|
||
(set tmp1 (gtu rn tmp0))
|
||
(if (not qbit)
|
||
(set qbit (if BI tmp1 1 0))
|
||
(set qbit (if BI (eq tmp1 0) 1 0))))
|
||
(sequence ()
|
||
(set tmp0 rn)
|
||
(set rn (add rn rm))
|
||
(set tmp1 (ltu rn tmp0))
|
||
(if (not qbit)
|
||
(set qbit (if BI (eq tmp1 0) 1 0))
|
||
(set qbit (if BI tmp1 1 0)))))
|
||
(if (not mbit)
|
||
(sequence ()
|
||
(set tmp0 rn)
|
||
(set rn (add rm rn))
|
||
(set tmp1 (ltu rn tmp0))
|
||
(if (not qbit)
|
||
(set qbit (if BI tmp1 1 0))
|
||
(set qbit (if BI (eq tmp1 0) 1 0))))
|
||
(sequence ()
|
||
(set tmp0 rn)
|
||
(set rn (sub rn rm))
|
||
(set tmp1 (gtu rn tmp0))
|
||
(if (not qbit)
|
||
(set qbit (if BI (eq tmp1 0) 1 0))
|
||
(set qbit (if BI tmp1 1 0))))))
|
||
(set tbit (if BI (eq qbit mbit) 1 0))))
|
||
|
||
(dshci dmulsl "Multiply long (signed)"
|
||
()
|
||
"dmuls.l $rm, $rn"
|
||
(+ (f-op4 3) rn rm (f-sub4 13))
|
||
(sequence ((DI result))
|
||
(set result (mul (ext DI rm) (ext DI rn)))
|
||
(set mach (subword SI result 0))
|
||
(set macl (subword SI result 1))))
|
||
|
||
(dshci dmulul "Multiply long (unsigned)"
|
||
()
|
||
"dmulu.l $rm, $rn"
|
||
(+ (f-op4 3) rn rm (f-sub4 5))
|
||
(sequence ((DI result))
|
||
(set result (mul (zext DI rm) (zext DI rn)))
|
||
(set mach (subword SI result 0))
|
||
(set macl (subword SI result 1))))
|
||
|
||
(dshci dt "Decrement and set"
|
||
()
|
||
"dt $rn"
|
||
(+ (f-op4 4) rn (f-sub8 16))
|
||
(sequence ()
|
||
(set rn (sub rn 1))
|
||
(set tbit (eq rn 0))))
|
||
|
||
(dshci extsb "Sign extend byte"
|
||
()
|
||
"exts.b $rm, $rn"
|
||
(+ (f-op4 6) rn rm (f-sub4 14))
|
||
(set rn (ext SI (subword QI rm 3))))
|
||
|
||
(dshci extsw "Sign extend word"
|
||
()
|
||
"exts.w $rm, $rn"
|
||
(+ (f-op4 6) rn rm (f-sub4 15))
|
||
(set rn (ext SI (subword HI rm 1))))
|
||
|
||
(dshci extub "Zero extend byte"
|
||
()
|
||
"extu.b $rm, $rn"
|
||
(+ (f-op4 6) rn rm (f-sub4 12))
|
||
(set rn (zext SI (subword QI rm 3))))
|
||
|
||
(dshci extuw "Zero etxend word"
|
||
()
|
||
"extu.w $rm, $rn"
|
||
(+ (f-op4 6) rn rm (f-sub4 13))
|
||
(set rn (zext SI (subword HI rm 1))))
|
||
|
||
(dshci fabs "Floating point absolute"
|
||
(FP-INSN)
|
||
"fabs $fsdn"
|
||
(+ (f-op4 15) fsdn (f-sub8 #x5d))
|
||
(if prbit
|
||
(set (dr fsdn) (c-call DF "sh64_fabsd" (dr fsdn)))
|
||
(set fsdn (c-call SF "sh64_fabss" fsdn))))
|
||
|
||
(dshci fadd "Floating point add"
|
||
(FP-INSN)
|
||
"fadd $fsdm, $fsdn"
|
||
(+ (f-op4 15) fsdn fsdm (f-sub4 0))
|
||
(if prbit
|
||
(set (dr fsdn) (c-call DF "sh64_faddd" (dr fsdm) (dr fsdn)))
|
||
(set fsdn (c-call SF "sh64_fadds" fsdm fsdn))))
|
||
|
||
(dshci fcmpeq "Floating point compare equal"
|
||
(FP-INSN)
|
||
"fcmp/eq $fsdm, $fsdn"
|
||
(+ (f-op4 15) fsdn fsdm (f-sub4 4))
|
||
(if prbit
|
||
(set tbit (c-call BI "sh64_fcmpeqd" (dr fsdm) (dr fsdn)))
|
||
(set tbit (c-call BI "sh64_fcmpeqs" fsdm fsdn))))
|
||
|
||
(dshci fcmpgt "Floating point compare greater than"
|
||
(FP-INSN)
|
||
"fcmp/gt $fsdm, $fsdn"
|
||
(+ (f-op4 15) fsdn fsdm (f-sub4 5))
|
||
(if prbit
|
||
(set tbit (c-call BI "sh64_fcmpgtd" (dr fsdn) (dr fsdm)))
|
||
(set tbit (c-call BI "sh64_fcmpgts" fsdn fsdm))))
|
||
|
||
(dshci fcnvds "Floating point convert (double to single)"
|
||
(FP-INSN)
|
||
"fcnvds $drn, fpul"
|
||
(+ (f-op4 15) drn (f-8-1 10) (f-sub8 #xbd))
|
||
(set fpul (c-call SF "sh64_fcnvds" drn)))
|
||
|
||
(dshci fcnvsd "Floating point convert (single to double)"
|
||
(FP-INSN)
|
||
"fcnvsd fpul, $drn"
|
||
(+ (f-op4 15) drn (f-8-1 0) (f-sub8 #xad))
|
||
(set drn (c-call DF "sh64_fcnvsd" fpul)))
|
||
|
||
(dshci fdiv "Floating point divide"
|
||
(FP-INSN)
|
||
"fdiv $fsdm, $fsdn"
|
||
(+ (f-op4 15) fsdn fsdm (f-sub4 3))
|
||
(if prbit
|
||
(set (dr fsdn) (c-call DF "sh64_fdivd" (dr fsdn) (dr fsdm)))
|
||
(set fsdn (c-call SF "sh64_fdivs" fsdn fsdm))))
|
||
|
||
(dshci fipr "Floating point inner product"
|
||
(FP-INSN)
|
||
"fipr $fvm, $fvn"
|
||
(+ (f-op4 15) fvn fvm (f-sub8 #xed))
|
||
(sequence ((QI m) (QI n) (SF res))
|
||
(set m (index-of fvm))
|
||
(set n (index-of fvn))
|
||
(set res (c-call SF "sh64_fmuls" fvm fvn))
|
||
(set res (c-call SF "sh64_fadds" res (c-call SF "sh64_fmuls" (reg h-frc (add m 1)) (reg h-frc (add n 1)))))
|
||
(set res (c-call SF "sh64_fadds" res (c-call SF "sh64_fmuls" (reg h-frc (add m 2)) (reg h-frc (add n 2)))))
|
||
(set res (c-call SF "sh64_fadds" res (c-call SF "sh64_fmuls" (reg h-frc (add m 3)) (reg h-frc (add n 3)))))
|
||
(set (reg h-frc (add n 3)) res)))
|
||
|
||
(dshci flds "Floating point load status register"
|
||
(FP-INSN)
|
||
"flds $frn"
|
||
(+ (f-op4 15) frn (f-sub8 #x1d))
|
||
(set fpul frn))
|
||
|
||
(dshci fldi0 "Floating point load immediate 0.0"
|
||
(FP-INSN)
|
||
"fldi0 $frn"
|
||
(+ (f-op4 15) frn (f-sub8 #x8d))
|
||
(set frn (c-call SF "sh64_fldi0")))
|
||
|
||
(dshci fldi1 "Floating point load immediate 1.0"
|
||
(FP-INSN)
|
||
"fldi1 $frn"
|
||
(+ (f-op4 15) frn (f-sub8 #x9d))
|
||
(set frn (c-call SF "sh64_fldi1")))
|
||
|
||
(dshci float "Floating point integer conversion"
|
||
(FP-INSN)
|
||
"float fpul, $fsdn"
|
||
(+ (f-op4 15) fsdn (f-sub8 #x2d))
|
||
(if prbit
|
||
(set (dr fsdn) (c-call DF "sh64_floatld" fpul))
|
||
(set fsdn (c-call SF "sh64_floatls" fpul))))
|
||
|
||
(dshci fmac "Floating point multiply and accumulate"
|
||
(FP-INSN)
|
||
"fmac fr0, $frm, $frn"
|
||
(+ (f-op4 15) frn frm (f-sub4 14))
|
||
(set frn (c-call SF "sh64_fmacs" (reg h-frc 0) frm frn)))
|
||
|
||
(define-pmacro (even x) (eq (and x 1) 0))
|
||
(define-pmacro (odd x) (eq (and x 1) 1))
|
||
(define-pmacro (extd x) (odd (index-of x)))
|
||
|
||
(dshci fmov1 "Floating point move (register to register)"
|
||
(FP-INSN)
|
||
"fmov $frm, $frn"
|
||
(+ (f-op4 15) frn frm (f-sub4 12))
|
||
(if (not szbit)
|
||
; single precision operation
|
||
(set frn frm)
|
||
; double or extended operation
|
||
(if (extd frm)
|
||
(if (extd frn)
|
||
(set (xd frn) (xd frm))
|
||
(set (dr frn) (xd frm)))
|
||
(if (extd frn)
|
||
(set (xd frn) (dr frm))
|
||
(set (dr frn) (dr frm))))))
|
||
|
||
(dshci fmov2 "Floating point load"
|
||
(FP-INSN)
|
||
"fmov @$rm, $frn"
|
||
(+ (f-op4 15) frn rm (f-sub4 8))
|
||
(if (not szbit)
|
||
; single precision operation
|
||
(set frn (mem SF rm))
|
||
; double or extended operation
|
||
(if (extd frn)
|
||
(set (xd frn) (mem DF rm))
|
||
(set (dr frn) (mem DF rm)))))
|
||
|
||
(dshci fmov3 "Floating point load (post-increment)"
|
||
(FP-INSN)
|
||
"fmov @${rm}+, frn"
|
||
(+ (f-op4 15) frn rm (f-sub4 9))
|
||
(if (not szbit)
|
||
; single precision operation
|
||
(sequence ()
|
||
(set frn (mem SF rm))
|
||
(set rm (add rm 4)))
|
||
; double or extended operation
|
||
(sequence ()
|
||
(if (extd frn)
|
||
(set (xd frn) (mem DF rm))
|
||
(set (dr frn) (mem DF rm)))
|
||
(set rm (add rm 8)))))
|
||
|
||
(dshci fmov4 "Floating point load (register/register indirect)"
|
||
(FP-INSN)
|
||
"fmov @(r0, $rm), $frn"
|
||
(+ (f-op4 15) frn rm (f-sub4 6))
|
||
(if (not szbit)
|
||
; single precision operation
|
||
(set frn (mem SF (add r0 rm)))
|
||
; double or extended operation
|
||
(if (extd frn)
|
||
(set (xd frn) (mem DF (add r0 rm)))
|
||
(set (dr frn) (mem DF (add r0 rm))))))
|
||
|
||
(dshci fmov5 "Floating point store"
|
||
(FP-INSN)
|
||
"fmov $frm, @$rn"
|
||
(+ (f-op4 15) rn frm (f-sub4 10))
|
||
(if (not szbit)
|
||
; single precision operation
|
||
(set (mem SF rn) frm)
|
||
; double or extended operation
|
||
(if (extd frm)
|
||
(set (mem DF rn) (xd frm))
|
||
(set (mem DF rn) (dr frm)))))
|
||
|
||
(dshci fmov6 "Floating point store (pre-decrement)"
|
||
(FP-INSN)
|
||
"fmov $frm, @-$rn"
|
||
(+ (f-op4 15) rn frm (f-sub4 11))
|
||
(if (not szbit)
|
||
; single precision operation
|
||
(sequence ()
|
||
(set rn (sub rn 4))
|
||
(set (mem SF rn) frm))
|
||
; double or extended operation
|
||
(sequence ()
|
||
(set rn (sub rn 8))
|
||
(if (extd frm)
|
||
(set (mem DF rn) (xd frm))
|
||
(set (mem DF rn) (dr frm))))))
|
||
|
||
(dshci fmov7 "Floating point store (register/register indirect)"
|
||
(FP-INSN)
|
||
"fmov $frm, @(r0, $rn)"
|
||
(+ (f-op4 15) rn frm (f-sub4 7))
|
||
(if (not szbit)
|
||
; single precision operation
|
||
(set (mem SF (add r0 rn)) frm)
|
||
; double or extended operation
|
||
(if (extd frm)
|
||
(set (mem DF (add r0 rn)) (xd frm))
|
||
(set (mem DF (add r0 rn)) (dr frm)))))
|
||
|
||
(dshci fmul "Floating point multiply"
|
||
(FP-INSN)
|
||
"fmul $fsdm, $fsdn"
|
||
(+ (f-op4 15) fsdn fsdm (f-sub4 2))
|
||
(if prbit
|
||
(set (dr fsdn) (c-call DF "sh64_fmuld" (dr fsdm) (dr fsdn)))
|
||
(set fsdn (c-call SF "sh64_fmuls" fsdm fsdn))))
|
||
|
||
(dshci fneg "Floating point negate"
|
||
(FP-INSN)
|
||
"fneg $fsdn"
|
||
(+ (f-op4 15) fsdn (f-sub8 #x4d))
|
||
(if prbit
|
||
(set (dr fsdn) (c-call DF "sh64_fnegd" (dr fsdn)))
|
||
(set fsdn (c-call SF "sh64_fnegs" fsdn))))
|
||
|
||
(dshci frchg "Toggle floating point register banks"
|
||
(FP-INSN)
|
||
"frchg"
|
||
(+ (f-op16 #xfbfd))
|
||
(set frbit (not frbit)))
|
||
|
||
(dshci fschg "Set size of floating point transfers"
|
||
(FP-INSN)
|
||
"fschg"
|
||
(+ (f-op16 #xf3fd))
|
||
(set szbit (not szbit)))
|
||
|
||
(dshci fsqrt "Floating point square root"
|
||
(FP-INSN)
|
||
"fsqrt $fsdn"
|
||
(+ (f-op4 15) fsdn (f-sub8 #x6d))
|
||
(if prbit
|
||
(set (dr fsdn) (c-call DF "sh64_fsqrtd" (dr fsdn)))
|
||
(set fsdn (c-call SF "sh64_fsqrts" fsdn))))
|
||
|
||
(dshci fsts "Floating point store status register"
|
||
(FP-INSN)
|
||
"fsts fpul, $frn"
|
||
(+ (f-op4 15) frn (f-sub8 13))
|
||
(set frn fpul))
|
||
|
||
(dshci fsub "Floating point subtract"
|
||
(FP-INSN)
|
||
"fsub $fsdm, $fsdn"
|
||
(+ (f-op4 15) fsdn fsdm (f-sub4 1))
|
||
(if prbit
|
||
(set (dr fsdn) (c-call DF "sh64_fsubd" (dr fsdn) (dr fsdm)))
|
||
(set fsdn (c-call SF "sh64_fsubs" fsdn fsdm))))
|
||
|
||
(dshci ftrc "Floating point truncate"
|
||
(FP-INSN)
|
||
"ftrc $fsdn, fpul"
|
||
(+ (f-op4 15) fsdn (f-sub8 #x3d))
|
||
(set fpul (if SF prbit
|
||
(c-call SF "sh64_ftrcdl" (dr fsdn))
|
||
(c-call SF "sh64_ftrcsl" fsdn))))
|
||
|
||
(dshci ftrv "Floating point transform vector"
|
||
(FP-INSN)
|
||
"ftrv xmtrx, $fvn"
|
||
(+ (f-op4 15) fvn (f-sub10 #x1fd))
|
||
(sequence ((QI n) (SF res))
|
||
(set n (index-of fvn))
|
||
(set res (c-call SF "sh64_fmuls" (reg h-xf 0) (reg h-frc n)))
|
||
(set res (c-call SF "sh64_fadds" res (c-call SF "sh64_fmuls" (reg h-xf 4) (reg h-frc (add n 1)))))
|
||
(set res (c-call SF "sh64_fadds" res (c-call SF "sh64_fmuls" (reg h-xf 8) (reg h-frc (add n 2)))))
|
||
(set res (c-call SF "sh64_fadds" res (c-call SF "sh64_fmuls" (reg h-xf 12) (reg h-frc (add n 3)))))
|
||
(set (reg h-frc n) res)
|
||
(set res (c-call SF "sh64_fmuls" (reg h-xf 1) (reg h-frc n)))
|
||
(set res (c-call SF "sh64_fadds" res (c-call SF "sh64_fmuls" (reg h-xf 5) (reg h-frc (add n 1)))))
|
||
(set res (c-call SF "sh64_fadds" res (c-call SF "sh64_fmuls" (reg h-xf 9) (reg h-frc (add n 2)))))
|
||
(set res (c-call SF "sh64_fadds" res (c-call SF "sh64_fmuls" (reg h-xf 13) (reg h-frc (add n 3)))))
|
||
(set (reg h-frc (add n 1)) res)
|
||
(set res (c-call SF "sh64_fmuls" (reg h-xf 2) (reg h-frc n)))
|
||
(set res (c-call SF "sh64_fadds" res (c-call SF "sh64_fmuls" (reg h-xf 6) (reg h-frc (add n 1)))))
|
||
(set res (c-call SF "sh64_fadds" res (c-call SF "sh64_fmuls" (reg h-xf 10) (reg h-frc (add n 2)))))
|
||
(set res (c-call SF "sh64_fadds" res (c-call SF "sh64_fmuls" (reg h-xf 14) (reg h-frc (add n 3)))))
|
||
(set (reg h-frc (add n 2)) res)
|
||
(set res (c-call SF "sh64_fmuls" (reg h-xf 3) (reg h-frc n)))
|
||
(set res (c-call SF "sh64_fadds" res (c-call SF "sh64_fmuls" (reg h-xf 7) (reg h-frc (add n 1)))))
|
||
(set res (c-call SF "sh64_fadds" res (c-call SF "sh64_fmuls" (reg h-xf 11) (reg h-frc (add n 2)))))
|
||
(set res (c-call SF "sh64_fadds" res (c-call SF "sh64_fmuls" (reg h-xf 15) (reg h-frc (add n 3)))))
|
||
(set (reg h-frc (add n 3)) res)))
|
||
|
||
(dshci jmp "Jump"
|
||
()
|
||
"jmp @$rn"
|
||
(+ (f-op4 4) rn (f-sub8 43))
|
||
(delay 1 (set pc rn)))
|
||
|
||
(dshci jsr "Jump to subroutine"
|
||
()
|
||
"jsr @$rn"
|
||
(+ (f-op4 4) rn (f-sub8 11))
|
||
(delay 1 (sequence ()
|
||
(set pr (add pc 4))
|
||
(set pc rn))))
|
||
|
||
(dshci ldc "Load control register (GBR)"
|
||
()
|
||
"ldc $rn, gbr"
|
||
(+ (f-op4 4) rn (f-sub8 30))
|
||
(set gbr rn))
|
||
|
||
(dshci ldcl "Load control register (GBR)"
|
||
()
|
||
"ldc.l @${rn}+, gbr"
|
||
(+ (f-op4 4) rn (f-sub8 39))
|
||
(sequence ()
|
||
(set gbr (mem SI rn))
|
||
(set rn (add rn 4))))
|
||
|
||
(dshci lds-fpscr "Load status register (FPSCR)"
|
||
()
|
||
"lds $rn, fpscr"
|
||
(+ (f-op4 4) rn (f-sub8 106))
|
||
(set fpscr rn))
|
||
|
||
(dshci ldsl-fpscr "Load status register (FPSCR)"
|
||
()
|
||
"lds.l @${rn}+, fpscr"
|
||
(+ (f-op4 4) rn (f-sub8 102))
|
||
(sequence ()
|
||
(set fpscr (mem SI rn))
|
||
(set rn (add rn 4))))
|
||
|
||
(dshci lds-fpul "Load status register (FPUL)"
|
||
()
|
||
"lds $rn, fpul"
|
||
(+ (f-op4 4) rn (f-sub8 90))
|
||
; Use subword to convert rn's mode.
|
||
(set fpul (subword SF rn 0)))
|
||
|
||
(dshci ldsl-fpul "Load status register (FPUL)"
|
||
()
|
||
"lds.l @${rn}+, fpul"
|
||
(+ (f-op4 4) rn (f-sub8 86))
|
||
(sequence ()
|
||
(set fpul (mem SF rn))
|
||
(set rn (add rn 4))))
|
||
|
||
(dshci lds-mach "Load status register (MACH)"
|
||
()
|
||
"lds $rn, mach"
|
||
(+ (f-op4 4) rn (f-sub8 10))
|
||
(set mach rn))
|
||
|
||
(dshci ldsl-mach "Load status register (MACH), post-increment"
|
||
()
|
||
"lds.l @${rn}+, mach"
|
||
(+ (f-op4 4) rn (f-sub8 6))
|
||
(sequence ()
|
||
(set mach (mem SI rn))
|
||
(set rn (add rn 4))))
|
||
|
||
(dshci lds-macl "Load status register (MACL)"
|
||
()
|
||
"lds $rn, macl"
|
||
(+ (f-op4 4) rn (f-sub8 26))
|
||
(set macl rn))
|
||
|
||
(dshci ldsl-macl "Load status register (MACL), post-increment"
|
||
()
|
||
"lds.l @${rn}+, macl"
|
||
(+ (f-op4 4) rn (f-sub8 22))
|
||
(sequence ()
|
||
(set macl (mem SI rn))
|
||
(set rn (add rn 4))))
|
||
|
||
(dshci lds-pr "Load status register (PR)"
|
||
()
|
||
"lds $rn, pr"
|
||
(+ (f-op4 4) rn (f-sub8 42))
|
||
(set pr rn))
|
||
|
||
(dshci ldsl-pr "Load status register (PR), post-increment"
|
||
()
|
||
"lds.l @${rn}+, pr"
|
||
(+ (f-op4 4) rn (f-sub8 38))
|
||
(sequence ()
|
||
(set pr (mem SI rn))
|
||
(set rn (add rn 4))))
|
||
|
||
(dshci macl "Multiply and accumulate (long)"
|
||
()
|
||
"mac.l @${rm}+, @${rn}+"
|
||
(+ (f-op4 0) rn rm (f-sub4 15))
|
||
(sequence ((DI tmpry) (DI mac) (DI result) (SI x) (SI y))
|
||
(set x (mem SI rn))
|
||
(set rn (add rn 4))
|
||
(if (eq (index-of rn) (index-of rm))
|
||
(sequence ()
|
||
(set rn (add rn 4))
|
||
(set rm (add rm 4))))
|
||
(set y (mem SI rm))
|
||
(set rm (add rm 4))
|
||
(set tmpry (mul (zext DI x) (zext DI y)))
|
||
(set mac (or DI (sll (zext DI mach) 32) (zext DI macl)))
|
||
(set result (add mac tmpry))
|
||
(sequence ()
|
||
(if sbit
|
||
(sequence ((SI min) (SI max))
|
||
(set max (srl (inv DI 0) 16))
|
||
; Preserve bit 48 for sign.
|
||
(set min (srl (inv DI 0) 15))
|
||
(if (gt result max)
|
||
(set result max)
|
||
(if (lt result min)
|
||
(set result min)))))
|
||
(set mach (subword SI result 0))
|
||
(set macl (subword SI result 1)))))
|
||
|
||
(dshci macw "Multiply and accumulate (word)"
|
||
()
|
||
"mac.w @${rm}+, @${rn}+"
|
||
(+ (f-op4 4) rn rm (f-sub4 15))
|
||
(sequence ((SI tmpry) (DI mac) (DI result) (HI x) (HI y))
|
||
(set x (mem HI rn))
|
||
(set rn (add rn 2))
|
||
(if (eq (index-of rn) (index-of rm))
|
||
(sequence ()
|
||
(set rn (add rn 2))
|
||
(set rm (add rm 2))))
|
||
(set y (mem HI rm))
|
||
(set rm (add rm 2))
|
||
(set tmpry (mul (zext SI x) (zext SI y)))
|
||
(if sbit
|
||
(sequence ()
|
||
(if (add-oflag tmpry macl 0)
|
||
(set mach 1))
|
||
(set macl (add tmpry macl)))
|
||
(sequence ()
|
||
(set mac (or DI (sll (zext DI mach) 32) (zext DI macl)))
|
||
(set result (add mac (ext DI tmpry)))
|
||
(set mach (subword SI result 0))
|
||
(set macl (subword SI result 1))))))
|
||
|
||
(dshci mov "Move"
|
||
()
|
||
"mov $rm64, $rn64"
|
||
(+ (f-op4 6) rn64 rm64 (f-sub4 3))
|
||
(set rn64 rm64))
|
||
|
||
(dshci movi "Move immediate"
|
||
()
|
||
"mov #$imm8, $rn"
|
||
(+ (f-op4 14) rn imm8)
|
||
(set rn (ext DI (and QI imm8 255))))
|
||
|
||
(dshci movb1 "Store byte to memory (register indirect w/ zero displacement)"
|
||
()
|
||
"mov.b $rm, @$rn"
|
||
(+ (f-op4 2) rn rm (f-sub4 0))
|
||
(set (mem UQI rn) (subword UQI rm 3)))
|
||
|
||
(dshci movb2 "Store byte to memory (register indirect w/ pre-decrement)"
|
||
()
|
||
"mov.b $rm, @-$rn"
|
||
(+ (f-op4 2) rn rm (f-sub4 4))
|
||
(sequence ((DI addr))
|
||
(set addr (sub rn 1))
|
||
(set (mem UQI addr) (subword UQI rm 3))
|
||
(set rn addr)))
|
||
|
||
(dshci movb3 "Store byte to memory (register/register indirect)"
|
||
()
|
||
"mov.b $rm, @(r0,$rn)"
|
||
(+ (f-op4 0) rn rm (f-sub4 4))
|
||
(set (mem UQI (add r0 rn)) (subword UQI rm 3)))
|
||
|
||
(dshci movb4 "Store byte to memory (GBR-relative w/ displacement)"
|
||
()
|
||
"mov.b r0, @($imm8, gbr)"
|
||
(+ (f-op8 #xc0) imm8)
|
||
(sequence ((DI addr))
|
||
(set addr (add gbr imm8))
|
||
(set (mem UQI addr) (subword UQI r0 3))))
|
||
|
||
(dshci movb5 "Store byte to memory (register indirect w/ displacement)"
|
||
()
|
||
"mov.b r0, @($imm4, $rm)"
|
||
(+ (f-op8 #x80) rm imm4)
|
||
(sequence ((DI addr))
|
||
(set addr (add rm imm4))
|
||
(set (mem UQI addr) (subword UQI r0 3))))
|
||
|
||
(dshci movb6 "Load byte from memory (register indirect w/ zero displacement)"
|
||
()
|
||
"mov.b @$rm, $rn"
|
||
(+ (f-op4 6) rn rm (f-sub4 0))
|
||
(set rn (ext SI (mem QI rm))))
|
||
|
||
(dshci movb7 "Load byte from memory (register indirect w/ post-increment)"
|
||
()
|
||
"mov.b @${rm}+, $rn"
|
||
(+ (f-op4 6) rn rm (f-sub4 4))
|
||
(sequence ((QI data))
|
||
(set data (mem QI rm))
|
||
(if (eq (index-of rm) (index-of rn))
|
||
(set rm (ext SI data))
|
||
(set rm (add rm 1)))
|
||
(set rn (ext SI data))))
|
||
|
||
(dshci movb8 "Load byte from memory (register/register indirect)"
|
||
()
|
||
"mov.b @(r0, $rm), $rn"
|
||
(+ (f-op4 0) rn rm (f-sub4 12))
|
||
(set rn (ext SI (mem QI (add r0 rm)))))
|
||
|
||
(dshci movb9 "Load byte from memory (GBR-relative with displacement)"
|
||
()
|
||
"mov.b @($imm8, gbr), r0"
|
||
(+ (f-op8 #xc4) imm8)
|
||
(set r0 (ext SI (mem QI (add gbr imm8)))))
|
||
|
||
(dshci movb10 "Load byte from memory (register indirect w/ displacement)"
|
||
()
|
||
"mov.b @($imm4, $rm), r0"
|
||
(+ (f-op8 #x84) rm imm4)
|
||
(set r0 (ext SI (mem QI (add rm imm4)))))
|
||
|
||
(dshci movl1 "Store long word to memory (register indirect w/ zero displacement)"
|
||
()
|
||
"mov.l $rm, @$rn"
|
||
(+ (f-op4 2) rn rm (f-sub4 2))
|
||
(set (mem SI rn) rm))
|
||
|
||
(dshci movl2 "Store long word to memory (register indirect w/ pre-decrement)"
|
||
()
|
||
"mov.l $rm, @-$rn"
|
||
(+ (f-op4 2) rn rm (f-sub4 6))
|
||
(sequence ((SI addr))
|
||
(set addr (sub rn 4))
|
||
(set (mem SI addr) rm)
|
||
(set rn addr)))
|
||
|
||
(dshci movl3 "Store long word to memory (register/register indirect)"
|
||
()
|
||
"mov.l $rm, @(r0, $rn)"
|
||
(+ (f-op4 0) rn rm (f-sub4 6))
|
||
(set (mem SI (add r0 rn)) rm))
|
||
|
||
(dshci movl4 "Store long word to memory (GBR-relative w/ displacement)"
|
||
()
|
||
"mov.l r0, @($imm8x4, gbr)"
|
||
(+ (f-op8 #xc2) imm8x4)
|
||
(set (mem SI (add gbr imm8x4)) r0))
|
||
|
||
(dshci movl5 "Store long word to memory (register indirect w/ displacement)"
|
||
()
|
||
"mov.l $rm, @($imm4x4, $rn)"
|
||
(+ (f-op4 1) rn rm imm4x4)
|
||
(set (mem SI (add rn imm4x4)) rm))
|
||
|
||
(dshci movl6 "Load long word to memory (register indirect w/ zero displacement)"
|
||
()
|
||
"mov.l @$rm, $rn"
|
||
(+ (f-op4 6) rn rm (f-sub4 2))
|
||
(set rn (mem SI rm)))
|
||
|
||
(dshci movl7 "Load long word from memory (register indirect w/ post-increment)"
|
||
()
|
||
"mov.l @${rm}+, $rn"
|
||
(+ (f-op4 6) rn rm (f-sub4 6))
|
||
(sequence ()
|
||
(set rn (mem SI rm))
|
||
(if (eq (index-of rm) (index-of rn))
|
||
(set rm rn)
|
||
(set rm (add rm 4)))))
|
||
|
||
(dshci movl8 "Load long word from memory (register/register indirect)"
|
||
()
|
||
"mov.l @(r0, $rm), $rn"
|
||
(+ (f-op4 0) rn rm (f-sub4 14))
|
||
(set rn (mem SI (add r0 rm))))
|
||
|
||
(dshci movl9 "Load long word from memory (GBR-relative w/ displacement)"
|
||
()
|
||
"mov.l @($imm8x4, gbr), r0"
|
||
(+ (f-op8 #xc6) imm8x4)
|
||
(set r0 (mem SI (add gbr imm8x4))))
|
||
|
||
(dshci movl10 "Load long word from memory (PC-relative w/ displacement)"
|
||
(ILLSLOT)
|
||
"mov.l @($imm8x4, pc), $rn"
|
||
(+ (f-op4 13) rn imm8x4)
|
||
(set rn (mem SI (add imm8x4 (and (add pc 4) (inv 3))))))
|
||
|
||
(dshci movl11 "Load long word from memory (register indirect w/ displacement)"
|
||
()
|
||
"mov.l @($imm4x4, $rm), $rn"
|
||
(+ (f-op4 5) rn rm imm4x4)
|
||
(set rn (mem SI (add rm imm4x4))))
|
||
|
||
(dshci movw1 "Store word to memory (register indirect w/ zero displacement)"
|
||
()
|
||
"mov.w $rm, @$rn"
|
||
(+ (f-op4 2) rn rm (f-sub4 1))
|
||
(set (mem HI rn) (subword HI rm 1)))
|
||
|
||
(dshci movw2 "Store word to memory (register indirect w/ pre-decrement)"
|
||
()
|
||
"mov.w $rm, @-$rn"
|
||
(+ (f-op4 2) rn rm (f-sub4 5))
|
||
(sequence ((DI addr))
|
||
(set addr (sub rn 2))
|
||
(set (mem HI addr) (subword HI rm 1))
|
||
(set rn addr)))
|
||
|
||
(dshci movw3 "Store word to memory (register/register indirect)"
|
||
()
|
||
"mov.w $rm, @(r0, $rn)"
|
||
(+ (f-op4 0) rn rm (f-sub4 5))
|
||
(set (mem HI (add r0 rn)) (subword HI rm 1)))
|
||
|
||
(dshci movw4 "Store word to memory (GBR-relative w/ displacement)"
|
||
()
|
||
"mov.w r0, @($imm8x2, gbr)"
|
||
(+ (f-op8 #xc1) imm8x2)
|
||
(set (mem HI (add gbr imm8x2)) (subword HI r0 1)))
|
||
|
||
(dshci movw5 "Store word to memory (register indirect w/ displacement)"
|
||
()
|
||
"mov.w r0, @($imm4x2, $rn)"
|
||
(+ (f-op8 #x81) rn imm4x2)
|
||
(set (mem HI (add rn imm4x2)) (subword HI r0 1)))
|
||
|
||
(dshci movw6 "Load word from memory (register indirect w/ zero displacement)"
|
||
()
|
||
"mov.w @$rm, $rn"
|
||
(+ (f-op4 6) rn rm (f-sub4 1))
|
||
(set rn (ext SI (mem HI rm))))
|
||
|
||
(dshci movw7 "Load word from memory (register indirect w/ post-increment)"
|
||
()
|
||
"mov.w @${rm}+, $rn"
|
||
(+ (f-op4 6) rn rm (f-sub4 5))
|
||
(sequence ((HI data))
|
||
(set data (mem HI rm))
|
||
(if (eq (index-of rm) (index-of rn))
|
||
(set rm (ext SI data))
|
||
(set rm (add rm 2)))
|
||
(set rn (ext SI data))))
|
||
|
||
(dshci movw8 "Load word from memory (register/register indirect)"
|
||
()
|
||
"mov.w @(r0, $rm), $rn"
|
||
(+ (f-op4 0) rn rm (f-sub4 13))
|
||
(set rn (ext SI (mem HI (add r0 rm)))))
|
||
|
||
(dshci movw9 "Load word from memory (GBR-relative w/ displacement)"
|
||
()
|
||
"mov.w @($imm8x2, gbr), r0"
|
||
(+ (f-op8 #xc5) imm8x2)
|
||
(set r0 (ext SI (mem HI (add gbr imm8x2)))))
|
||
|
||
(dshci movw10 "Load word from memory (PC-relative w/ displacement)"
|
||
(ILLSLOT)
|
||
"mov.w @($imm8x2, pc), $rn"
|
||
(+ (f-op4 9) rn imm8x2)
|
||
(set rn (ext SI (mem HI (add (add pc 4) imm8x2)))))
|
||
|
||
(dshci movw11 "Load word from memory (register indirect w/ displacement)"
|
||
()
|
||
"mov.w @($imm4x2, $rm), r0"
|
||
(+ (f-op8 #x85) rm imm4x2)
|
||
(set r0 (ext SI (mem HI (add rm imm4x2)))))
|
||
|
||
(dshci mova "Move effective address"
|
||
(ILLSLOT)
|
||
"mova @($imm8x4, pc), r0"
|
||
(+ (f-op8 #xc7) imm8x4)
|
||
(set r0 (add (and (add pc 4) (inv 3)) imm8x4)))
|
||
|
||
(dshci movcal "Move with cache block allocation"
|
||
()
|
||
"movca.l r0, @$rn"
|
||
(+ (f-op4 0) rn (f-sub8 #xc3))
|
||
(set (mem SI rn) r0))
|
||
|
||
(dshci movt "Move t-bit"
|
||
()
|
||
"movt $rn"
|
||
(+ (f-op4 0) rn (f-sub8 41))
|
||
(set rn (zext SI tbit)))
|
||
|
||
(dshci mull "Multiply"
|
||
()
|
||
"mul.l $rm, $rn"
|
||
(+ (f-op4 0) rn rm (f-sub4 7))
|
||
(set macl (mul rm rn)))
|
||
|
||
(dshci mulsw "Multiply words (signed)"
|
||
()
|
||
"muls.w $rm, $rn"
|
||
(+ (f-op4 2) rn rm (f-sub4 15))
|
||
(set macl (mul (ext SI (subword HI rm 1)) (ext SI (subword HI rn 1)))))
|
||
|
||
(dshci muluw "Multiply words (unsigned)"
|
||
()
|
||
"mulu.w $rm, $rn"
|
||
(+ (f-op4 2) rn rm (f-sub4 14))
|
||
(set macl (mul (zext SI (subword HI rm 1)) (zext SI (subword HI rn 1)))))
|
||
|
||
(dshci neg "Negate"
|
||
()
|
||
"neg $rm, $rn"
|
||
(+ (f-op4 6) rn rm (f-sub4 11))
|
||
(set rn (neg rm)))
|
||
|
||
(dshci negc "Negate with carry"
|
||
()
|
||
"negc $rm, $rn"
|
||
(+ (f-op4 6) rn rm (f-sub4 10))
|
||
(sequence ((BI flag))
|
||
(set flag (sub-cflag 0 rm tbit))
|
||
(set rn (subc 0 rm tbit))
|
||
(set tbit flag)))
|
||
|
||
(dshci nop "No operation"
|
||
()
|
||
"nop"
|
||
(+ (f-op16 9))
|
||
(nop))
|
||
|
||
(dshci not "Bitwise NOT"
|
||
()
|
||
"not $rm64, $rn64"
|
||
(+ (f-op4 6) rn64 rm64 (f-sub4 7))
|
||
(set rn64 (inv rm64)))
|
||
|
||
(dshci ocbi "Invalidate operand cache block"
|
||
()
|
||
"ocbi @$rn"
|
||
(+ (f-op4 0) rn (f-sub8 147))
|
||
(unimp "ocbi"))
|
||
|
||
(dshci ocbp "Purge operand cache block"
|
||
()
|
||
"ocbp @$rn"
|
||
(+ (f-op4 0) rn (f-sub8 163))
|
||
(unimp "ocbp"))
|
||
|
||
(dshci ocbwb "Write back operand cache block"
|
||
()
|
||
"ocbwb @$rn"
|
||
(+ (f-op4 0) rn (f-sub8 179))
|
||
(unimp "ocbwb"))
|
||
|
||
(dshci or "Bitwise OR"
|
||
()
|
||
"or $rm64, $rn64"
|
||
(+ (f-op4 2) rn64 rm64 (f-sub4 11))
|
||
(set rn64 (or rm64 rn64)))
|
||
|
||
(dshci ori "Bitwise OR immediate"
|
||
()
|
||
"or #$uimm8, r0"
|
||
(+ (f-op8 #xcb) uimm8)
|
||
(set r0 (or r0 (zext DI uimm8))))
|
||
|
||
(dshci orb "Bitwise OR immediate"
|
||
()
|
||
"or.b #$imm8, @(r0, gbr)"
|
||
(+ (f-op8 #xcf) imm8)
|
||
(sequence ((DI addr) (UQI data))
|
||
(set addr (add r0 gbr))
|
||
(set data (or (mem UQI addr) imm8))
|
||
(set (mem UQI addr) data)))
|
||
|
||
(dshci pref "Prefetch data"
|
||
()
|
||
"pref @$rn"
|
||
(+ (f-op4 0) rn (f-sub8 131))
|
||
(unimp "pref"))
|
||
|
||
(dshci rotcl "Rotate with carry left"
|
||
()
|
||
"rotcl $rn"
|
||
(+ (f-op4 4) rn (f-sub8 36))
|
||
(sequence ((BI temp))
|
||
(set temp (srl rn 31))
|
||
(set rn (or (sll rn 1) tbit))
|
||
(set tbit (if BI temp 1 0))))
|
||
|
||
(dshci rotcr "Rotate with carry right"
|
||
()
|
||
"rotcr $rn"
|
||
(+ (f-op4 4) rn (f-sub8 37))
|
||
(sequence ((BI lsbit) (SI temp))
|
||
(set lsbit (if BI (eq (and rn 1) 0) 0 1))
|
||
(set temp tbit)
|
||
(set rn (or (srl rn 1) (sll temp 31)))
|
||
(set tbit (if BI lsbit 1 0))))
|
||
|
||
(dshci rotl "Rotate left"
|
||
()
|
||
"rotl $rn"
|
||
(+ (f-op4 4) rn (f-sub8 4))
|
||
(sequence ((BI temp))
|
||
(set temp (srl rn 31))
|
||
(set rn (or (sll rn 1) temp))
|
||
(set tbit (if BI temp 1 0))))
|
||
|
||
(dshci rotr "Rotate right"
|
||
()
|
||
"rotr $rn"
|
||
(+ (f-op4 4) rn (f-sub8 5))
|
||
(sequence ((BI lsbit) (SI temp))
|
||
(set lsbit (if BI (eq (and rn 1) 0) 0 1))
|
||
(set temp lsbit)
|
||
(set rn (or (srl rn 1) (sll temp 31)))
|
||
(set tbit (if BI lsbit 1 0))))
|
||
|
||
(dshci rts "Return from subroutine"
|
||
()
|
||
"rts"
|
||
(+ (f-op16 11))
|
||
(delay 1 (set pc pr)))
|
||
|
||
(dshci sets "Set S-bit"
|
||
()
|
||
"sets"
|
||
(+ (f-op16 88))
|
||
(set sbit 1))
|
||
|
||
(dshci sett "Set T-bit"
|
||
()
|
||
"sett"
|
||
(+ (f-op16 24))
|
||
(set tbit 1))
|
||
|
||
(dshci shad "Shift arithmetic dynamic"
|
||
()
|
||
"shad $rm, $rn"
|
||
(+ (f-op4 4) rn rm (f-sub4 12))
|
||
(sequence ((QI shamt))
|
||
(set shamt (and QI rm 31))
|
||
(if (ge rm 0)
|
||
(set rn (sll rn shamt))
|
||
(if (ne shamt 0)
|
||
(set rn (sra rn (sub 32 shamt)))
|
||
(if (lt rn 0)
|
||
(set rn (neg 1))
|
||
(set rn 0))))))
|
||
|
||
(dshci shal "Shift left arithmetic one bit"
|
||
()
|
||
"shal $rn"
|
||
(+ (f-op4 4) rn (f-sub8 32))
|
||
(sequence ((BI t))
|
||
(set t (srl rn 31))
|
||
(set rn (sll rn 1))
|
||
(set tbit (if BI t 1 0))))
|
||
|
||
(dshci shar "Shift right arithmetic one bit"
|
||
()
|
||
"shar $rn"
|
||
(+ (f-op4 4) rn (f-sub8 33))
|
||
(sequence ((BI t))
|
||
(set t (and rn 1))
|
||
(set rn (sra rn 1))
|
||
(set tbit (if BI t 1 0))))
|
||
|
||
(dshci shld "Shift logical dynamic"
|
||
()
|
||
"shld $rm, $rn"
|
||
(+ (f-op4 4) rn rm (f-sub4 13))
|
||
(sequence ((QI shamt))
|
||
(set shamt (and QI rm 31))
|
||
(if (ge rm 0)
|
||
(set rn (sll rn shamt))
|
||
(if (ne shamt 0)
|
||
(set rn (srl rn (sub 32 shamt)))
|
||
(set rn 0)))))
|
||
|
||
(dshci shll "Shift left logical one bit"
|
||
()
|
||
"shll $rn"
|
||
(+ (f-op4 4) rn (f-sub8 0))
|
||
(sequence ((BI t))
|
||
(set t (srl rn 31))
|
||
(set rn (sll rn 1))
|
||
(set tbit (if BI t 1 0))))
|
||
|
||
(dshci shll2 "Shift left logical two bits"
|
||
()
|
||
"shll2 $rn"
|
||
(+ (f-op4 4) rn (f-sub8 8))
|
||
(set rn (sll rn 2)))
|
||
|
||
(dshci shll8 "Shift left logical eight bits"
|
||
()
|
||
"shll8 $rn"
|
||
(+ (f-op4 4) rn (f-sub8 24))
|
||
(set rn (sll rn 8)))
|
||
|
||
(dshci shll16 "Shift left logical sixteen bits"
|
||
()
|
||
"shll16 $rn"
|
||
(+ (f-op4 4) rn (f-sub8 40))
|
||
(set rn (sll rn 16)))
|
||
|
||
(dshci shlr "Shift right logical one bit"
|
||
()
|
||
"shlr $rn"
|
||
(+ (f-op4 4) rn (f-sub8 1))
|
||
(sequence ((BI t))
|
||
(set t (and rn 1))
|
||
(set rn (srl rn 1))
|
||
(set tbit (if BI t 1 0))))
|
||
|
||
(dshci shlr2 "Shift right logical two bits"
|
||
()
|
||
"shlr2 $rn"
|
||
(+ (f-op4 4) rn (f-sub8 9))
|
||
(set rn (srl rn 2)))
|
||
|
||
(dshci shlr8 "Shift right logical eight bits"
|
||
()
|
||
"shlr8 $rn"
|
||
(+ (f-op4 4) rn (f-sub8 25))
|
||
(set rn (srl rn 8)))
|
||
|
||
(dshci shlr16 "Shift right logical sixteen bits"
|
||
()
|
||
"shlr16 $rn"
|
||
(+ (f-op4 4) rn (f-sub8 41))
|
||
(set rn (srl rn 16)))
|
||
|
||
(dshci stc-gbr "Store control register (GBR)"
|
||
()
|
||
"stc gbr, $rn"
|
||
(+ (f-op4 0) rn (f-sub8 18))
|
||
(set rn gbr))
|
||
|
||
(dshci stcl-gbr "Store control register (GBR)"
|
||
()
|
||
"stc.l gbr, @-$rn"
|
||
(+ (f-op4 4) rn (f-sub8 19))
|
||
(sequence ((DI addr))
|
||
(set addr (sub rn 4))
|
||
(set (mem SI addr) gbr)
|
||
(set rn addr)))
|
||
|
||
(dshci sts-fpscr "Store status register (FPSCR)"
|
||
()
|
||
"sts fpscr, $rn"
|
||
(+ (f-op4 0) rn (f-sub8 106))
|
||
(set rn fpscr))
|
||
|
||
(dshci stsl-fpscr "Store status register (FPSCR)"
|
||
()
|
||
"sts.l fpscr, @-$rn"
|
||
(+ (f-op4 4) rn (f-sub8 98))
|
||
(sequence ((DI addr))
|
||
(set addr (sub rn 4))
|
||
(set (mem SI addr) fpscr)
|
||
(set rn addr)))
|
||
|
||
(dshci sts-fpul "Store status register (FPUL)"
|
||
()
|
||
"sts fpul, $rn"
|
||
(+ (f-op4 0) rn (f-sub8 90))
|
||
(set rn (subword SI fpul 0)))
|
||
|
||
(dshci stsl-fpul "Store status register (FPUL)"
|
||
()
|
||
"sts.l fpul, @-$rn"
|
||
(+ (f-op4 4) rn (f-sub8 82))
|
||
(sequence ((DI addr))
|
||
(set addr (sub rn 4))
|
||
(set (mem SF addr) fpul)
|
||
(set rn addr)))
|
||
|
||
(dshci sts-mach "Store status register (MACH)"
|
||
()
|
||
"sts mach, $rn"
|
||
(+ (f-op4 0) rn (f-sub8 10))
|
||
(set rn mach))
|
||
|
||
(dshci stsl-mach "Store status register (MACH)"
|
||
()
|
||
"sts.l mach, @-$rn"
|
||
(+ (f-op4 4) rn (f-sub8 2))
|
||
(sequence ((DI addr))
|
||
(set addr (sub rn 4))
|
||
(set (mem SI addr) mach)
|
||
(set rn addr)))
|
||
|
||
(dshci sts-macl "Store status register (MACL)"
|
||
()
|
||
"sts macl, $rn"
|
||
(+ (f-op4 0) rn (f-sub8 26))
|
||
(set rn macl))
|
||
|
||
(dshci stsl-macl "Store status register (MACL)"
|
||
()
|
||
"sts.l macl, @-$rn"
|
||
(+ (f-op4 4) rn (f-sub8 18))
|
||
(sequence ((DI addr))
|
||
(set addr (sub rn 4))
|
||
(set (mem SI addr) macl)
|
||
(set rn addr)))
|
||
|
||
(dshci sts-pr "Store status register (PR)"
|
||
()
|
||
"sts pr, $rn"
|
||
(+ (f-op4 0) rn (f-sub8 42))
|
||
(set rn pr))
|
||
|
||
(dshci stsl-pr "Store status register (PR)"
|
||
()
|
||
"sts.l pr, @-$rn"
|
||
(+ (f-op4 4) rn (f-sub8 34))
|
||
(sequence ((DI addr))
|
||
(set addr (sub rn 4))
|
||
(set (mem SI addr) pr)
|
||
(set rn addr)))
|
||
|
||
(dshci sub "Subtract"
|
||
()
|
||
"sub $rm, $rn"
|
||
(+ (f-op4 3) rn rm (f-sub4 8))
|
||
(set rn (sub rn rm)))
|
||
|
||
(dshci subc "Subtract and detect carry"
|
||
()
|
||
"subc $rm, $rn"
|
||
(+ (f-op4 3) rn rm (f-sub4 10))
|
||
(sequence ((BI flag))
|
||
(set flag (sub-cflag rn rm tbit))
|
||
(set rn (subc rn rm tbit))
|
||
(set tbit flag)))
|
||
|
||
(dshci subv "Subtract and detect overflow"
|
||
()
|
||
"subv $rm, $rn"
|
||
(+ (f-op4 3) rn rm (f-sub4 11))
|
||
(sequence ((BI t))
|
||
(set t (sub-oflag rn rm 0))
|
||
(set rn (sub rn rm))
|
||
(set tbit (if BI t 1 0))))
|
||
|
||
(dshci swapb "Swap bytes"
|
||
()
|
||
"swap.b $rm, $rn"
|
||
(+ (f-op4 6) rn rm (f-sub4 8))
|
||
(sequence ((UHI top-half) (UQI byte1) (UQI byte0))
|
||
(set top-half (subword HI rm 0))
|
||
(set byte1 (subword QI rm 2))
|
||
(set byte0 (subword QI rm 3))
|
||
(set rn (or SI (sll SI top-half 16) (or SI (sll SI byte0 8) byte1)))))
|
||
|
||
(dshci swapw "Swap words"
|
||
()
|
||
"swap.w $rm, $rn"
|
||
(+ (f-op4 6) rn rm (f-sub4 9))
|
||
(set rn (or (srl rm 16) (sll rm 16))))
|
||
|
||
(dshci tasb "Test and set byte"
|
||
()
|
||
"tas.b @$rn"
|
||
(+ (f-op4 4) rn (f-sub8 27))
|
||
(sequence ((UQI byte))
|
||
(set byte (mem UQI rn))
|
||
(set tbit (if BI (eq byte 0) 1 0))
|
||
(set byte (or byte 128))
|
||
(set (mem UQI rn) byte)))
|
||
|
||
(dshci trapa "Trap"
|
||
(ILLSLOT)
|
||
"trapa #$uimm8"
|
||
(+ (f-op8 #xc3) uimm8)
|
||
(c-call "sh64_compact_trapa" uimm8 pc))
|
||
|
||
(dshci tst "Test and set t-bit"
|
||
()
|
||
"tst $rm, $rn"
|
||
(+ (f-op4 2) rn rm (f-sub4 8))
|
||
(set tbit (if BI (eq (and rm rn) 0) 1 0)))
|
||
|
||
(dshci tsti "Test and set t-bit immediate"
|
||
()
|
||
"tst #$uimm8, r0"
|
||
(+ (f-op8 #xc8) uimm8)
|
||
(set tbit (if BI (eq (and r0 (zext SI uimm8)) 0) 1 0)))
|
||
|
||
(dshci tstb "Test and set t-bit immedate with memory byte"
|
||
()
|
||
"tst.b #$imm8, @(r0, gbr)"
|
||
(+ (f-op8 #xcc) imm8)
|
||
(sequence ((DI addr))
|
||
(set addr (add r0 gbr))
|
||
(set tbit (if BI (eq (and (mem UQI addr) imm8) 0) 1 0))))
|
||
|
||
(dshci xor "Exclusive OR"
|
||
()
|
||
"xor $rm64, $rn64"
|
||
(+ (f-op4 2) rn64 rm64 (f-sub4 10))
|
||
(set rn64 (xor rn64 rm64)))
|
||
|
||
(dshci xori "Exclusive OR immediate"
|
||
()
|
||
"xor #$uimm8, r0"
|
||
(+ (f-op8 #xca) uimm8)
|
||
(set (reg h-gr 0) (xor (reg h-gr 0) (zext DI uimm8))))
|
||
|
||
(dshci xorb "Exclusive OR immediate with memory byte"
|
||
()
|
||
"xor.b #$imm8, @(r0, gbr)"
|
||
(+ (f-op8 #xce) imm8)
|
||
(sequence ((DI addr) (UQI data))
|
||
(set addr (add r0 gbr))
|
||
(set data (xor (mem UQI addr) imm8))
|
||
(set (mem UQI addr) data)))
|
||
|
||
(dshci xtrct "Extract"
|
||
()
|
||
"xtrct $rm, $rn"
|
||
(+ (f-op4 2) rn rm (f-sub4 13))
|
||
(set rn (or (sll rm 16) (srl rn 16))))
|