diff options
Diffstat (limited to 'src/cmd/internal/obj/riscv/obj.go')
| -rw-r--r-- | src/cmd/internal/obj/riscv/obj.go | 29 |
1 files changed, 15 insertions, 14 deletions
diff --git a/src/cmd/internal/obj/riscv/obj.go b/src/cmd/internal/obj/riscv/obj.go index 2eb2935b31..77d383b290 100644 --- a/src/cmd/internal/obj/riscv/obj.go +++ b/src/cmd/internal/obj/riscv/obj.go @@ -634,7 +634,7 @@ func preprocess(ctxt *obj.Link, cursym *obj.LSym, newprog obj.ProgAlloc) { getargp.Reg = 0 getargp.To = obj.Addr{Type: obj.TYPE_REG, Reg: REG_X12} - bneadj.Pcond = getargp + bneadj.To.SetTarget(getargp) calcargp := obj.Appendp(getargp, newprog) calcargp.As = AADDI @@ -647,7 +647,7 @@ func preprocess(ctxt *obj.Link, cursym *obj.LSym, newprog obj.ProgAlloc) { testargp.From = obj.Addr{Type: obj.TYPE_REG, Reg: REG_X12} testargp.Reg = REG_X13 testargp.To.Type = obj.TYPE_BRANCH - testargp.Pcond = endadj + testargp.To.SetTarget(endadj) adjargp := obj.Appendp(testargp, newprog) adjargp.As = AADDI @@ -665,7 +665,7 @@ func preprocess(ctxt *obj.Link, cursym *obj.LSym, newprog obj.ProgAlloc) { godone.As = AJAL godone.From = obj.Addr{Type: obj.TYPE_REG, Reg: REG_ZERO} godone.To.Type = obj.TYPE_BRANCH - godone.Pcond = endadj + godone.To.SetTarget(endadj) } // Update stack-based offsets. @@ -890,27 +890,27 @@ func preprocess(ctxt *obj.Link, cursym *obj.LSym, newprog obj.ProgAlloc) { if p.To.Type != obj.TYPE_BRANCH { panic("assemble: instruction with branch-like opcode lacks destination") } - offset := p.Pcond.Pc - p.Pc + offset := p.To.Target().Pc - p.Pc if offset < -4096 || 4096 <= offset { // Branch is long. Replace it with a jump. jmp := obj.Appendp(p, newprog) jmp.As = AJAL jmp.From = obj.Addr{Type: obj.TYPE_REG, Reg: REG_ZERO} jmp.To = obj.Addr{Type: obj.TYPE_BRANCH} - jmp.Pcond = p.Pcond + jmp.To.SetTarget(p.To.Target()) p.As = InvertBranch(p.As) - p.Pcond = jmp.Link + p.To.SetTarget(jmp.Link) // We may have made previous branches too long, // so recheck them. rescan = true } case AJAL: - if p.Pcond == nil { + if p.To.Target() == nil { panic("intersymbol jumps should be expressed as AUIPC+JALR") } - offset := p.Pcond.Pc - p.Pc + offset := p.To.Target().Pc - p.Pc if offset < -(1<<20) || (1<<20) <= offset { // Replace with 2-instruction sequence. This assumes // that TMP is not live across J instructions, since @@ -925,6 +925,7 @@ func preprocess(ctxt *obj.Link, cursym *obj.LSym, newprog obj.ProgAlloc) { // fixed up in the next loop. 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.To = obj.Addr{Type: obj.TYPE_REG, Reg: REG_TMP} @@ -946,16 +947,16 @@ func preprocess(ctxt *obj.Link, cursym *obj.LSym, newprog obj.ProgAlloc) { case ABEQ, ABEQZ, ABGE, ABGEU, ABGEZ, ABGT, ABGTU, ABGTZ, ABLE, ABLEU, ABLEZ, ABLT, ABLTU, ABLTZ, ABNE, ABNEZ, AJAL: switch p.To.Type { case obj.TYPE_BRANCH: - p.To.Type, p.To.Offset = obj.TYPE_CONST, p.Pcond.Pc-p.Pc + p.To.Type, p.To.Offset = obj.TYPE_CONST, p.To.Target().Pc-p.Pc case obj.TYPE_MEM: panic("unhandled type") } case AAUIPC: if p.From.Type == obj.TYPE_BRANCH { - low, high, err := Split32BitImmediate(p.Pcond.Pc - p.Pc) + low, high, err := Split32BitImmediate(p.From.Target().Pc - p.Pc) if err != nil { - ctxt.Diag("%v: jump displacement %d too large", p, p.Pcond.Pc-p.Pc) + ctxt.Diag("%v: jump displacement %d too large", p, p.To.Target().Pc-p.Pc) } p.From = obj.Addr{Type: obj.TYPE_CONST, Offset: high, Sym: cursym} p.Link.From.Offset = low @@ -1098,7 +1099,7 @@ func stacksplit(ctxt *obj.Link, p *obj.Prog, cursym *obj.LSym, newprog obj.ProgA p.To.Sym = ctxt.Lookup("runtime.morestack") } if to_more != nil { - to_more.Pcond = p + to_more.To.SetTarget(p) } p = jalrToSym(ctxt, p, newprog, REG_X5) @@ -1107,12 +1108,12 @@ func stacksplit(ctxt *obj.Link, p *obj.Prog, cursym *obj.LSym, newprog obj.ProgA p.As = AJAL p.To = obj.Addr{Type: obj.TYPE_BRANCH} p.From = obj.Addr{Type: obj.TYPE_REG, Reg: REG_ZERO} - p.Pcond = cursym.Func.Text.Link + p.To.SetTarget(cursym.Func.Text.Link) // placeholder for to_done's jump target p = obj.Appendp(p, newprog) p.As = obj.ANOP // zero-width place holder - to_done.Pcond = p + to_done.To.SetTarget(p) return p } |