} else {
				rel.Type = objabi.R_ADDR
			}
			o1 = 0
		}

	case 12: /* movw $lcon, reg */
		if o.a1 == C_SCON {
			o1 = c.omvs(p, &p.From, int(p.To.Reg))
		} else if p.As == AMVN {
			o1 = c.omvr(p, &p.From, int(p.To.Reg))
		} else {
			o1 = c.omvl(p, &p.From, int(p.To.Reg))
		}

		if o.flag&LPCREL != 0 {

// license that can be found in the LICENSE file.

// Package mvs implements Minimal Version Selection.
// See https://research.swtch.com/vgo-mvs.
package mvs

import (
	"fmt"
	"slices"
	"sort"
	"sync"

	"cmd/go/internal/par"

	"golang.org/x/mod/module"
)

// A Reqs is the requirement graph on which Minimal Version Selection (MVS) operates.
//

	}

	// Construct a build list with a minimal set of roots.
	// This may remove or downgrade modules in altMods.
	reqs := &mvsReqs{roots: keep}
	min, err := mvs.Req(mainModule, rootPaths, reqs)
	if err != nil {
		return nil, err
	}
	buildList, err := mvs.BuildList([]module.Version{mainModule}, reqs)
	if err != nil {
		return nil, err
	}

	// Check if modules in altMods were downgraded but not removed.

		})
	}
}

// removeDups removes duplicate replace directives.
//
// Later replace directives take priority.
//
// require directives are not de-duplicated. That's left up to higher-level
// logic (MVS).
//
// retract directives are not de-duplicated since comments are
// meaningful, and versions may be retracted multiple times.
func (f *WorkFile) removeDups() {
	removeDups(f.Syntax, nil, &f.Replace)

// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

package modload

import (
	"cmd/go/internal/cfg"
	"cmd/go/internal/gover"
	"cmd/go/internal/mvs"
	"cmd/go/internal/par"
	"context"
	"errors"
	"fmt"
	"maps"
	"os"
	"slices"

	"golang.org/x/mod/module"
)

// editRequirements returns an edited version of rs such that:
//

		}
		return

	}

	// MOVx sym, Ry becomes MOVD symtoc, REGTMP; MOVx (REGTMP), Ry
	// MOVx Ry, sym becomes MOVD symtoc, REGTMP; MOVx Ry, (REGTMP)
	// An addition may be inserted between the two MOVs if there is an offset.

	q := obj.Appendp(p, c.newprog)
	q.As = AMOVD
	q.From.Type = obj.TYPE_MEM
	q.From.Sym = symtoc
	q.From.Name = obj.NAME_TOCREF
	q.To.Type = obj.TYPE_REG
	q.To.Reg = REGTMP

	}

	var source *obj.Addr
	// MOVx sym, Ry becomes MOVV sym@GOT, REGTMP; MOVx (REGTMP), Ry
	// MOVx Ry, sym becomes MOVV sym@GOT, REGTMP; MOVx Ry, (REGTMP)
	// An addition may be inserted between the two MOVs if there is an offset.
	if p.From.Name == obj.NAME_EXTERN && !p.From.Sym.Local() {
		if p.To.Name == obj.NAME_EXTERN && !p.To.Sym.Local() {
			ctxt.Diag("cannot handle NAME_EXTERN on both sides in %v with -shared", p)
		}

	}
	var source *obj.Addr
	// MOVx sym, Ry becomes MOVW sym@GOT, R9; MOVx (R9), Ry
	// MOVx Ry, sym becomes MOVW sym@GOT, R9; MOVx Ry, (R9)
	// An addition may be inserted between the two MOVs if there is an offset.
	if p.From.Name == obj.NAME_EXTERN && !p.From.Sym.Local() {
		if p.To.Name == obj.NAME_EXTERN && !p.To.Sym.Local() {
			c.ctxt.Diag("cannot handle NAME_EXTERN on both sides in %v with -dynlink", p)
		}

			toolchain = m.Version
			continue
		}
		list = append(list, &modfile.Require{
			Mod:      m,
			Indirect: !requirements.direct[m.Path],
		})
	}

	// Update go line.
	// Every MVS graph we consider should have go as a root,
	// and toolchain is either implied by the go line or explicitly a root.
	if goVersion == "" {
		base.Fatalf("go: internal error: missing go root module in WriteGoMod")
	}

	// Version is usually a semantic version in canonical form.
	// There are three exceptions to this general rule.
	// First, the top-level target of a build has no specific version
	// and uses Version = "".
	// Second, during MVS calculations the version "none" is used
	// to represent the decision to take no version of a given module.
	// Third, filesystem paths found in "replace" directives are
	// represented by a path with an empty version.