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runtime: remove duff support for arm64
Change-Id: Ib290079a77a746a8512cd4638310b24164f6a930 Reviewed-on: https://go-review.googlesource.com/c/go/+/679456 Reviewed-by: Keith Randall <khr@google.com> Reviewed-by: Jorropo <jorropo.pgm@gmail.com> Reviewed-by: Michael Knyszek <mknyszek@google.com> Auto-Submit: Keith Randall <khr@golang.org> LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
This commit is contained in:
Keith Randall
Gopher Robot
parent
15d6dbc05c
commit
e4291e484c
4 changed files with 4 additions and 418 deletions
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@ -892,8 +892,6 @@ var optab = []Optab{
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{obj.ANOP, C_LCON, C_NONE, C_NONE, C_NONE, C_NONE, 0, 0, 0, 0, 0}, // nop variants, see #40689
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{obj.ANOP, C_LCON, C_NONE, C_NONE, C_NONE, C_NONE, 0, 0, 0, 0, 0}, // nop variants, see #40689
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{obj.ANOP, C_ZREG, C_NONE, C_NONE, C_NONE, C_NONE, 0, 0, 0, 0, 0},
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{obj.ANOP, C_ZREG, C_NONE, C_NONE, C_NONE, C_NONE, 0, 0, 0, 0, 0},
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{obj.ANOP, C_VREG, C_NONE, C_NONE, C_NONE, C_NONE, 0, 0, 0, 0, 0},
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{obj.ANOP, C_VREG, C_NONE, C_NONE, C_NONE, C_NONE, 0, 0, 0, 0, 0},
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{obj.ADUFFZERO, C_NONE, C_NONE, C_NONE, C_SBRA, C_NONE, 5, 4, 0, 0, 0}, // same as AB/ABL
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{obj.ADUFFCOPY, C_NONE, C_NONE, C_NONE, C_SBRA, C_NONE, 5, 4, 0, 0, 0}, // same as AB/ABL
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{obj.APCALIGN, C_LCON, C_NONE, C_NONE, C_NONE, C_NONE, 0, 0, 0, 0, 0}, // align code
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{obj.APCALIGN, C_LCON, C_NONE, C_NONE, C_NONE, C_NONE, 0, 0, 0, 0, 0}, // align code
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{obj.APCALIGNMAX, C_LCON, C_NONE, C_NONE, C_LCON, C_NONE, 0, 0, 0, 0, 0}, // align code, conditional
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{obj.APCALIGNMAX, C_LCON, C_NONE, C_NONE, C_LCON, C_NONE, 0, 0, 0, 0, 0}, // align code, conditional
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}
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}
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@ -3297,9 +3295,7 @@ func buildop(ctxt *obj.Link) {
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obj.AFUNCDATA,
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obj.AFUNCDATA,
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obj.APCALIGN,
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obj.APCALIGN,
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obj.APCALIGNMAX,
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obj.APCALIGNMAX,
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obj.APCDATA,
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obj.APCDATA:
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obj.ADUFFZERO,
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obj.ADUFFCOPY:
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break
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break
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}
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}
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}
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}
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@ -6971,7 +6967,7 @@ func (c *ctxt7) opbra(p *obj.Prog, a obj.As) uint32 {
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case AB:
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case AB:
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return 0<<31 | 5<<26 /* imm26 */
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return 0<<31 | 5<<26 /* imm26 */
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case obj.ADUFFZERO, obj.ADUFFCOPY, ABL:
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case ABL:
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return 1<<31 | 5<<26
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return 1<<31 | 5<<26
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}
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}
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@ -319,11 +319,7 @@ func progedit(ctxt *obj.Link, p *obj.Prog, newprog obj.ProgAlloc) {
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// Rewrite BR/BL to symbol as TYPE_BRANCH.
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// Rewrite BR/BL to symbol as TYPE_BRANCH.
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switch p.As {
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switch p.As {
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case AB,
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case AB, ABL, obj.ARET:
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ABL,
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obj.ARET,
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obj.ADUFFZERO,
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obj.ADUFFCOPY:
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if p.To.Sym != nil {
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if p.To.Sym != nil {
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p.To.Type = obj.TYPE_BRANCH
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p.To.Type = obj.TYPE_BRANCH
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}
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}
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@ -400,39 +396,6 @@ func progedit(ctxt *obj.Link, p *obj.Prog, newprog obj.ProgAlloc) {
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// Rewrite p, if necessary, to access global data via the global offset table.
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// Rewrite p, if necessary, to access global data via the global offset table.
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func (c *ctxt7) rewriteToUseGot(p *obj.Prog) {
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func (c *ctxt7) rewriteToUseGot(p *obj.Prog) {
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if p.As == obj.ADUFFCOPY || p.As == obj.ADUFFZERO {
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// ADUFFxxx $offset
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// becomes
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// MOVD runtime.duffxxx@GOT, REGTMP
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// ADD $offset, REGTMP
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// CALL REGTMP
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var sym *obj.LSym
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if p.As == obj.ADUFFZERO {
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sym = c.ctxt.LookupABI("runtime.duffzero", obj.ABIInternal)
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} else {
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sym = c.ctxt.LookupABI("runtime.duffcopy", obj.ABIInternal)
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}
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offset := p.To.Offset
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p.As = AMOVD
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p.From.Type = obj.TYPE_MEM
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p.From.Name = obj.NAME_GOTREF
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p.From.Sym = sym
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p.To.Type = obj.TYPE_REG
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p.To.Reg = REGTMP
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p.To.Name = obj.NAME_NONE
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p.To.Offset = 0
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p.To.Sym = nil
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p1 := obj.Appendp(p, c.newprog)
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p1.As = AADD
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p1.From.Type = obj.TYPE_CONST
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p1.From.Offset = offset
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p1.To.Type = obj.TYPE_REG
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p1.To.Reg = REGTMP
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p2 := obj.Appendp(p1, c.newprog)
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p2.As = obj.ACALL
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p2.To.Type = obj.TYPE_REG
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p2.To.Reg = REGTMP
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}
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// We only care about global data: NAME_EXTERN means a global
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// We only care about global data: NAME_EXTERN means a global
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// symbol in the Go sense, and p.Sym.Local is true for a few
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// symbol in the Go sense, and p.Sym.Local is true for a few
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@ -543,9 +506,7 @@ func preprocess(ctxt *obj.Link, cursym *obj.LSym, newprog obj.ProgAlloc) {
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case obj.ATEXT:
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case obj.ATEXT:
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p.Mark |= LEAF
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p.Mark |= LEAF
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case ABL,
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case ABL:
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obj.ADUFFZERO,
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obj.ADUFFCOPY:
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c.cursym.Func().Text.Mark &^= LEAF
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c.cursym.Func().Text.Mark &^= LEAF
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}
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}
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}
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}
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@ -912,110 +873,7 @@ func preprocess(ctxt *obj.Link, cursym *obj.LSym, newprog obj.ProgAlloc) {
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p.From.Type = obj.TYPE_MEM
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p.From.Type = obj.TYPE_MEM
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p.From.Reg = REGSP
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p.From.Reg = REGSP
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}
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}
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case obj.ADUFFCOPY:
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// ADR ret_addr, R27
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// STP (FP, R27), -24(SP)
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// SUB 24, SP, FP
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// DUFFCOPY
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// ret_addr:
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// SUB 8, SP, FP
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q1 := p
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// copy DUFFCOPY from q1 to q4
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q4 := obj.Appendp(p, c.newprog)
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q4.Pos = p.Pos
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q4.As = obj.ADUFFCOPY
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q4.To = p.To
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q1.As = AADR
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q1.From.Type = obj.TYPE_BRANCH
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q1.To.Type = obj.TYPE_REG
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q1.To.Reg = REG_R27
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q2 := obj.Appendp(q1, c.newprog)
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q2.Pos = p.Pos
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q2.As = ASTP
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q2.From.Type = obj.TYPE_REGREG
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q2.From.Reg = REGFP
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q2.From.Offset = int64(REG_R27)
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q2.To.Type = obj.TYPE_MEM
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q2.To.Reg = REGSP
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q2.To.Offset = -24
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// maintain FP for DUFFCOPY
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q3 := obj.Appendp(q2, c.newprog)
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q3.Pos = p.Pos
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q3.As = ASUB
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q3.From.Type = obj.TYPE_CONST
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q3.From.Offset = 24
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q3.Reg = REGSP
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q3.To.Type = obj.TYPE_REG
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q3.To.Reg = REGFP
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q5 := obj.Appendp(q4, c.newprog)
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q5.Pos = p.Pos
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q5.As = ASUB
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q5.From.Type = obj.TYPE_CONST
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q5.From.Offset = 8
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q5.Reg = REGSP
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q5.To.Type = obj.TYPE_REG
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q5.To.Reg = REGFP
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q1.From.SetTarget(q5)
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p = q5
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case obj.ADUFFZERO:
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// ADR ret_addr, R27
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// STP (FP, R27), -24(SP)
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// SUB 24, SP, FP
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// DUFFZERO
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// ret_addr:
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// SUB 8, SP, FP
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q1 := p
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// copy DUFFZERO from q1 to q4
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q4 := obj.Appendp(p, c.newprog)
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q4.Pos = p.Pos
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q4.As = obj.ADUFFZERO
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q4.To = p.To
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q1.As = AADR
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q1.From.Type = obj.TYPE_BRANCH
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q1.To.Type = obj.TYPE_REG
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q1.To.Reg = REG_R27
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q2 := obj.Appendp(q1, c.newprog)
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q2.Pos = p.Pos
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q2.As = ASTP
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q2.From.Type = obj.TYPE_REGREG
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q2.From.Reg = REGFP
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q2.From.Offset = int64(REG_R27)
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q2.To.Type = obj.TYPE_MEM
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q2.To.Reg = REGSP
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q2.To.Offset = -24
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// maintain FP for DUFFZERO
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q3 := obj.Appendp(q2, c.newprog)
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q3.Pos = p.Pos
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q3.As = ASUB
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q3.From.Type = obj.TYPE_CONST
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q3.From.Offset = 24
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q3.Reg = REGSP
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q3.To.Type = obj.TYPE_REG
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q3.To.Reg = REGFP
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q5 := obj.Appendp(q4, c.newprog)
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q5.Pos = p.Pos
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q5.As = ASUB
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q5.From.Type = obj.TYPE_CONST
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q5.From.Offset = 8
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q5.Reg = REGSP
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q5.To.Type = obj.TYPE_REG
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q5.To.Reg = REGFP
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q1.From.SetTarget(q5)
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p = q5
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}
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}
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if p.To.Type == obj.TYPE_REG && p.To.Reg == REGSP && p.Spadj == 0 {
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if p.To.Type == obj.TYPE_REG && p.To.Reg == REGSP && p.Spadj == 0 {
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f := c.cursym.Func()
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f := c.cursym.Func()
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if f.FuncFlag&abi.FuncFlagSPWrite == 0 {
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if f.FuncFlag&abi.FuncFlagSPWrite == 0 {
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@ -1,267 +0,0 @@
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// Code generated by mkduff.go; DO NOT EDIT.
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// Run go generate from src/runtime to update.
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// See mkduff.go for comments.
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#include "textflag.h"
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TEXT runtime·duffzero<ABIInternal>(SB), NOSPLIT|NOFRAME, $0-0
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STP.P (ZR, ZR), 16(R20)
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STP.P (ZR, ZR), 16(R20)
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STP.P (ZR, ZR), 16(R20)
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STP.P (ZR, ZR), 16(R20)
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STP.P (ZR, ZR), 16(R20)
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STP.P (ZR, ZR), 16(R20)
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STP.P (ZR, ZR), 16(R20)
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STP.P (ZR, ZR), 16(R20)
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STP.P (ZR, ZR), 16(R20)
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STP.P (ZR, ZR), 16(R20)
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STP.P (ZR, ZR), 16(R20)
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STP.P (ZR, ZR), 16(R20)
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STP.P (ZR, ZR), 16(R20)
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STP.P (ZR, ZR), 16(R20)
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STP.P (ZR, ZR), 16(R20)
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STP.P (ZR, ZR), 16(R20)
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STP.P (ZR, ZR), 16(R20)
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STP.P (ZR, ZR), 16(R20)
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STP.P (ZR, ZR), 16(R20)
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STP.P (ZR, ZR), 16(R20)
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STP.P (ZR, ZR), 16(R20)
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STP.P (ZR, ZR), 16(R20)
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STP.P (ZR, ZR), 16(R20)
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STP.P (ZR, ZR), 16(R20)
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STP.P (ZR, ZR), 16(R20)
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STP.P (ZR, ZR), 16(R20)
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STP.P (ZR, ZR), 16(R20)
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STP.P (ZR, ZR), 16(R20)
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STP.P (ZR, ZR), 16(R20)
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STP.P (ZR, ZR), 16(R20)
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STP.P (ZR, ZR), 16(R20)
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STP.P (ZR, ZR), 16(R20)
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STP.P (ZR, ZR), 16(R20)
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STP.P (ZR, ZR), 16(R20)
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STP.P (ZR, ZR), 16(R20)
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STP.P (ZR, ZR), 16(R20)
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STP.P (ZR, ZR), 16(R20)
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STP.P (ZR, ZR), 16(R20)
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STP.P (ZR, ZR), 16(R20)
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STP.P (ZR, ZR), 16(R20)
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STP.P (ZR, ZR), 16(R20)
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STP.P (ZR, ZR), 16(R20)
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STP.P (ZR, ZR), 16(R20)
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STP.P (ZR, ZR), 16(R20)
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STP.P (ZR, ZR), 16(R20)
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STP.P (ZR, ZR), 16(R20)
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STP.P (ZR, ZR), 16(R20)
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STP.P (ZR, ZR), 16(R20)
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STP.P (ZR, ZR), 16(R20)
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STP.P (ZR, ZR), 16(R20)
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STP.P (ZR, ZR), 16(R20)
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STP.P (ZR, ZR), 16(R20)
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STP.P (ZR, ZR), 16(R20)
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STP.P (ZR, ZR), 16(R20)
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STP.P (ZR, ZR), 16(R20)
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STP.P (ZR, ZR), 16(R20)
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STP.P (ZR, ZR), 16(R20)
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STP.P (ZR, ZR), 16(R20)
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STP.P (ZR, ZR), 16(R20)
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STP.P (ZR, ZR), 16(R20)
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STP.P (ZR, ZR), 16(R20)
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STP.P (ZR, ZR), 16(R20)
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STP.P (ZR, ZR), 16(R20)
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STP (ZR, ZR), (R20)
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RET
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TEXT runtime·duffcopy<ABIInternal>(SB), NOSPLIT|NOFRAME, $0-0
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LDP.P 16(R20), (R26, R27)
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STP.P (R26, R27), 16(R21)
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LDP.P 16(R20), (R26, R27)
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STP.P (R26, R27), 16(R21)
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LDP.P 16(R20), (R26, R27)
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STP.P (R26, R27), 16(R21)
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LDP.P 16(R20), (R26, R27)
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STP.P (R26, R27), 16(R21)
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LDP.P 16(R20), (R26, R27)
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STP.P (R26, R27), 16(R21)
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LDP.P 16(R20), (R26, R27)
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STP.P (R26, R27), 16(R21)
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LDP.P 16(R20), (R26, R27)
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STP.P (R26, R27), 16(R21)
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LDP.P 16(R20), (R26, R27)
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STP.P (R26, R27), 16(R21)
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|
||||||
LDP.P 16(R20), (R26, R27)
|
|
||||||
STP.P (R26, R27), 16(R21)
|
|
||||||
|
|
||||||
LDP.P 16(R20), (R26, R27)
|
|
||||||
STP.P (R26, R27), 16(R21)
|
|
||||||
|
|
||||||
LDP.P 16(R20), (R26, R27)
|
|
||||||
STP.P (R26, R27), 16(R21)
|
|
||||||
|
|
||||||
LDP.P 16(R20), (R26, R27)
|
|
||||||
STP.P (R26, R27), 16(R21)
|
|
||||||
|
|
||||||
LDP.P 16(R20), (R26, R27)
|
|
||||||
STP.P (R26, R27), 16(R21)
|
|
||||||
|
|
||||||
LDP.P 16(R20), (R26, R27)
|
|
||||||
STP.P (R26, R27), 16(R21)
|
|
||||||
|
|
||||||
LDP.P 16(R20), (R26, R27)
|
|
||||||
STP.P (R26, R27), 16(R21)
|
|
||||||
|
|
||||||
LDP.P 16(R20), (R26, R27)
|
|
||||||
STP.P (R26, R27), 16(R21)
|
|
||||||
|
|
||||||
LDP.P 16(R20), (R26, R27)
|
|
||||||
STP.P (R26, R27), 16(R21)
|
|
||||||
|
|
||||||
LDP.P 16(R20), (R26, R27)
|
|
||||||
STP.P (R26, R27), 16(R21)
|
|
||||||
|
|
||||||
LDP.P 16(R20), (R26, R27)
|
|
||||||
STP.P (R26, R27), 16(R21)
|
|
||||||
|
|
||||||
LDP.P 16(R20), (R26, R27)
|
|
||||||
STP.P (R26, R27), 16(R21)
|
|
||||||
|
|
||||||
LDP.P 16(R20), (R26, R27)
|
|
||||||
STP.P (R26, R27), 16(R21)
|
|
||||||
|
|
||||||
LDP.P 16(R20), (R26, R27)
|
|
||||||
STP.P (R26, R27), 16(R21)
|
|
||||||
|
|
||||||
LDP.P 16(R20), (R26, R27)
|
|
||||||
STP.P (R26, R27), 16(R21)
|
|
||||||
|
|
||||||
LDP.P 16(R20), (R26, R27)
|
|
||||||
STP.P (R26, R27), 16(R21)
|
|
||||||
|
|
||||||
LDP.P 16(R20), (R26, R27)
|
|
||||||
STP.P (R26, R27), 16(R21)
|
|
||||||
|
|
||||||
LDP.P 16(R20), (R26, R27)
|
|
||||||
STP.P (R26, R27), 16(R21)
|
|
||||||
|
|
||||||
LDP.P 16(R20), (R26, R27)
|
|
||||||
STP.P (R26, R27), 16(R21)
|
|
||||||
|
|
||||||
LDP.P 16(R20), (R26, R27)
|
|
||||||
STP.P (R26, R27), 16(R21)
|
|
||||||
|
|
||||||
LDP.P 16(R20), (R26, R27)
|
|
||||||
STP.P (R26, R27), 16(R21)
|
|
||||||
|
|
||||||
LDP.P 16(R20), (R26, R27)
|
|
||||||
STP.P (R26, R27), 16(R21)
|
|
||||||
|
|
||||||
LDP.P 16(R20), (R26, R27)
|
|
||||||
STP.P (R26, R27), 16(R21)
|
|
||||||
|
|
||||||
LDP.P 16(R20), (R26, R27)
|
|
||||||
STP.P (R26, R27), 16(R21)
|
|
||||||
|
|
||||||
LDP.P 16(R20), (R26, R27)
|
|
||||||
STP.P (R26, R27), 16(R21)
|
|
||||||
|
|
||||||
LDP.P 16(R20), (R26, R27)
|
|
||||||
STP.P (R26, R27), 16(R21)
|
|
||||||
|
|
||||||
LDP.P 16(R20), (R26, R27)
|
|
||||||
STP.P (R26, R27), 16(R21)
|
|
||||||
|
|
||||||
LDP.P 16(R20), (R26, R27)
|
|
||||||
STP.P (R26, R27), 16(R21)
|
|
||||||
|
|
||||||
LDP.P 16(R20), (R26, R27)
|
|
||||||
STP.P (R26, R27), 16(R21)
|
|
||||||
|
|
||||||
LDP.P 16(R20), (R26, R27)
|
|
||||||
STP.P (R26, R27), 16(R21)
|
|
||||||
|
|
||||||
LDP.P 16(R20), (R26, R27)
|
|
||||||
STP.P (R26, R27), 16(R21)
|
|
||||||
|
|
||||||
LDP.P 16(R20), (R26, R27)
|
|
||||||
STP.P (R26, R27), 16(R21)
|
|
||||||
|
|
||||||
LDP.P 16(R20), (R26, R27)
|
|
||||||
STP.P (R26, R27), 16(R21)
|
|
||||||
|
|
||||||
LDP.P 16(R20), (R26, R27)
|
|
||||||
STP.P (R26, R27), 16(R21)
|
|
||||||
|
|
||||||
LDP.P 16(R20), (R26, R27)
|
|
||||||
STP.P (R26, R27), 16(R21)
|
|
||||||
|
|
||||||
LDP.P 16(R20), (R26, R27)
|
|
||||||
STP.P (R26, R27), 16(R21)
|
|
||||||
|
|
||||||
LDP.P 16(R20), (R26, R27)
|
|
||||||
STP.P (R26, R27), 16(R21)
|
|
||||||
|
|
||||||
LDP.P 16(R20), (R26, R27)
|
|
||||||
STP.P (R26, R27), 16(R21)
|
|
||||||
|
|
||||||
LDP.P 16(R20), (R26, R27)
|
|
||||||
STP.P (R26, R27), 16(R21)
|
|
||||||
|
|
||||||
LDP.P 16(R20), (R26, R27)
|
|
||||||
STP.P (R26, R27), 16(R21)
|
|
||||||
|
|
||||||
LDP.P 16(R20), (R26, R27)
|
|
||||||
STP.P (R26, R27), 16(R21)
|
|
||||||
|
|
||||||
LDP.P 16(R20), (R26, R27)
|
|
||||||
STP.P (R26, R27), 16(R21)
|
|
||||||
|
|
||||||
LDP.P 16(R20), (R26, R27)
|
|
||||||
STP.P (R26, R27), 16(R21)
|
|
||||||
|
|
||||||
LDP.P 16(R20), (R26, R27)
|
|
||||||
STP.P (R26, R27), 16(R21)
|
|
||||||
|
|
||||||
LDP.P 16(R20), (R26, R27)
|
|
||||||
STP.P (R26, R27), 16(R21)
|
|
||||||
|
|
||||||
LDP.P 16(R20), (R26, R27)
|
|
||||||
STP.P (R26, R27), 16(R21)
|
|
||||||
|
|
||||||
LDP.P 16(R20), (R26, R27)
|
|
||||||
STP.P (R26, R27), 16(R21)
|
|
||||||
|
|
||||||
LDP.P 16(R20), (R26, R27)
|
|
||||||
STP.P (R26, R27), 16(R21)
|
|
||||||
|
|
||||||
LDP.P 16(R20), (R26, R27)
|
|
||||||
STP.P (R26, R27), 16(R21)
|
|
||||||
|
|
||||||
LDP.P 16(R20), (R26, R27)
|
|
||||||
STP.P (R26, R27), 16(R21)
|
|
||||||
|
|
||||||
LDP.P 16(R20), (R26, R27)
|
|
||||||
STP.P (R26, R27), 16(R21)
|
|
||||||
|
|
||||||
LDP.P 16(R20), (R26, R27)
|
|
||||||
STP.P (R26, R27), 16(R21)
|
|
||||||
|
|
||||||
LDP.P 16(R20), (R26, R27)
|
|
||||||
STP.P (R26, R27), 16(R21)
|
|
||||||
|
|
||||||
LDP.P 16(R20), (R26, R27)
|
|
||||||
STP.P (R26, R27), 16(R21)
|
|
||||||
|
|
||||||
LDP.P 16(R20), (R26, R27)
|
|
||||||
STP.P (R26, R27), 16(R21)
|
|
||||||
|
|
||||||
LDP.P 16(R20), (R26, R27)
|
|
||||||
STP.P (R26, R27), 16(R21)
|
|
||||||
|
|
||||||
RET
|
|
||||||
|
|
@ -35,7 +35,6 @@ func main() {
|
||||||
gen("amd64", notags, zeroAMD64, copyAMD64)
|
gen("amd64", notags, zeroAMD64, copyAMD64)
|
||||||
gen("386", notags, zero386, copy386)
|
gen("386", notags, zero386, copy386)
|
||||||
gen("arm", notags, zeroARM, copyARM)
|
gen("arm", notags, zeroARM, copyARM)
|
||||||
gen("arm64", notags, zeroARM64, copyARM64)
|
|
||||||
gen("loong64", notags, zeroLOONG64, copyLOONG64)
|
gen("loong64", notags, zeroLOONG64, copyLOONG64)
|
||||||
gen("ppc64x", tagsPPC64x, zeroPPC64x, copyPPC64x)
|
gen("ppc64x", tagsPPC64x, zeroPPC64x, copyPPC64x)
|
||||||
gen("mips64x", tagsMIPS64x, zeroMIPS64x, copyMIPS64x)
|
gen("mips64x", tagsMIPS64x, zeroMIPS64x, copyMIPS64x)
|
||||||
|
|
|
||||||
Loading…
Add table
Add a link
Reference in a new issue