diff options
Diffstat (limited to 'src/cmd')
| -rw-r--r-- | src/cmd/compile/internal/ssa/regalloc.go | 14 |
1 files changed, 0 insertions, 14 deletions
diff --git a/src/cmd/compile/internal/ssa/regalloc.go b/src/cmd/compile/internal/ssa/regalloc.go index 05765bb701..294c522a90 100644 --- a/src/cmd/compile/internal/ssa/regalloc.go +++ b/src/cmd/compile/internal/ssa/regalloc.go @@ -1544,7 +1544,6 @@ func (s *regAllocState) regalloc(f *Func) { } } } - // Avoid future fixed uses if we can. if m&^desired.avoid != 0 { m &^= desired.avoid @@ -1552,19 +1551,6 @@ func (s *regAllocState) regalloc(f *Func) { // Save input 0 to a new register so we can clobber it. c := s.allocValToReg(v.Args[0], m, true, v.Pos) s.copies[c] = false - - // Normally we use the register of the old copy of input 0 as the target. - // However, if input 0 is already in its desired register then we use - // the register of the new copy instead. - if rp, ok := s.f.getHome(args[0].ID).(*Register); ok { - r := register(rp.num) - for _, r2 := range dinfo[idx].in[0] { - if r == r2 { - args[0] = c - break - } - } - } } ok: |