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cmd/interna/obj/riscv: use obj.REG_NONE rather than 0

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No functional change, but makes the code consistent and more readable.

Change-Id: I33db681fe0ed501842755f27b6e7843cdc8877cd
Reviewed-on: https://go-review.googlesource.com/c/go/+/345049
Trust: Joel Sing <joel@sing.id.au>
Trust: Meng Zhuo <mzh@golangcn.org>
Reviewed-by: Cherry Mui <cherryyz@google.com>
Reviewed-by: Meng Zhuo <mzh@golangcn.org>
This commit is contained in:
Joel Sing 2021-08-25 20:08:37 +10:00
parent f030043e37
commit c50d811c7a
1 changed files with 9 additions and 9 deletions
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18
src/cmd/internal/obj/riscv/obj.go
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@ -51,7 +51,7 @@ func jalrToSym(ctxt *obj.Link, p *obj.Prog, newprog obj.ProgAlloc, lr int16) *ob
p.Mark |= NEED_PCREL_ITYPE_RELOC
p.SetFrom3(obj.Addr{Type: obj.TYPE_CONST, Offset: to.Offset, Sym: to.Sym})
p.From = obj.Addr{Type: obj.TYPE_CONST, Offset: 0}
p.Reg = 0
p.Reg = obj.REG_NONE
p.To = obj.Addr{Type: obj.TYPE_REG, Reg: REG_TMP}
p = obj.Appendp(p, newprog)
@ -59,7 +59,7 @@ func jalrToSym(ctxt *obj.Link, p *obj.Prog, newprog obj.ProgAlloc, lr int16) *ob
p.As = AJALR
p.From.Type = obj.TYPE_REG
p.From.Reg = lr
p.Reg = 0
p.Reg = obj.REG_NONE
p.To.Type = obj.TYPE_REG
p.To.Reg = REG_TMP
p.To.Sym = to.Sym
@ -72,7 +72,7 @@ func jalrToSym(ctxt *obj.Link, p *obj.Prog, newprog obj.ProgAlloc, lr int16) *ob
func progedit(ctxt *obj.Link, p *obj.Prog, newprog obj.ProgAlloc) {
// Expand binary instructions to ternary ones.
if p.Reg == 0 {
if p.Reg == obj.REG_NONE {
switch p.As {
case AADDI, ASLTI, ASLTIU, AANDI, AORI, AXORI, ASLLI, ASRLI, ASRAI,
AADD, AAND, AOR, AXOR, ASLL, ASRL, ASUB, ASRA,
@ -154,7 +154,7 @@ func progedit(ctxt *obj.Link, p *obj.Prog, newprog obj.ProgAlloc) {
case AMOV:
// Put >32-bit constants in memory and load them.
if p.From.Type == obj.TYPE_CONST && p.From.Name == obj.NAME_NONE && p.From.Reg == 0 && int64(int32(p.From.Offset)) != p.From.Offset {
if p.From.Type == obj.TYPE_CONST && p.From.Name == obj.NAME_NONE && p.From.Reg == obj.REG_NONE && int64(int32(p.From.Offset)) != p.From.Offset {
p.From.Type = obj.TYPE_MEM
p.From.Sym = ctxt.Int64Sym(p.From.Offset)
p.From.Name = obj.NAME_EXTERN
@ -449,7 +449,7 @@ func preprocess(ctxt *obj.Link, cursym *obj.LSym, newprog obj.ProgAlloc) {
ldpanic.As = AMOV
ldpanic.From = obj.Addr{Type: obj.TYPE_MEM, Reg: REGG, Offset: 4 * int64(ctxt.Arch.PtrSize)} // G.panic
ldpanic.Reg = 0
ldpanic.Reg = obj.REG_NONE
ldpanic.To = obj.Addr{Type: obj.TYPE_REG, Reg: REG_X11}
bneadj := obj.Appendp(ldpanic, newprog)
@ -469,7 +469,7 @@ func preprocess(ctxt *obj.Link, cursym *obj.LSym, newprog obj.ProgAlloc) {
getargp := obj.Appendp(last, newprog)
getargp.As = AMOV
getargp.From = obj.Addr{Type: obj.TYPE_MEM, Reg: REG_X11, Offset: 0} // Panic.argp
getargp.Reg = 0
getargp.Reg = obj.REG_NONE
getargp.To = obj.Addr{Type: obj.TYPE_REG, Reg: REG_X12}
bneadj.To.SetTarget(getargp)
@ -496,7 +496,7 @@ func preprocess(ctxt *obj.Link, cursym *obj.LSym, newprog obj.ProgAlloc) {
setargp := obj.Appendp(adjargp, newprog)
setargp.As = AMOV
setargp.From = obj.Addr{Type: obj.TYPE_REG, Reg: REG_X12}
setargp.Reg = 0
setargp.Reg = obj.REG_NONE
setargp.To = obj.Addr{Type: obj.TYPE_MEM, Reg: REG_X11, Offset: 0} // Panic.argp
godone := obj.Appendp(setargp, newprog)
@ -570,7 +570,7 @@ func preprocess(ctxt *obj.Link, cursym *obj.LSym, newprog obj.ProgAlloc) {
} else {
p.As = AJALR
p.From = obj.Addr{Type: obj.TYPE_REG, Reg: REG_ZERO}
p.Reg = 0
p.Reg = obj.REG_NONE
p.To = obj.Addr{Type: obj.TYPE_REG, Reg: REG_LR}
}
@ -658,7 +658,7 @@ func preprocess(ctxt *obj.Link, cursym *obj.LSym, newprog obj.ProgAlloc) {
p.As = AAUIPC
p.From = obj.Addr{Type: obj.TYPE_BRANCH, Sym: p.From.Sym}
p.From.SetTarget(p.To.Target())
p.Reg = 0
p.Reg = obj.REG_NONE
p.To = obj.Addr{Type: obj.TYPE_REG, Reg: REG_TMP}
rescan = true