cmd/compile: improve FP FMA performance on riscv64

[gostls13.git] / src / cmd / compile / internal / riscv64 / ssa.go

diff --git a/src/cmd/compile/internal/riscv64/ssa.go b/src/cmd/compile/internal/riscv64/ssa.go
index 2eb1e7ffa017d3a67f305e9d336456973c45b354..143e7c525a3f09ab7e07decbe1468c6b890224d2 100644 (file)
--- a/src/cmd/compile/internal/riscv64/ssa.go
+++ b/src/cmd/compile/internal/riscv64/ssa.go
@@ -694,6 +694,9 @@ func ssaGenValue(s *ssagen.State, v *ssa.Value) {
                p.To.Sym = ir.Syms.Duffcopy
                p.To.Offset = v.AuxInt
 
+       case ssa.OpRISCV64LoweredRound32F, ssa.OpRISCV64LoweredRound64F:
+               // input is already rounded
+
        case ssa.OpClobber, ssa.OpClobberReg:
                // TODO: implement for clobberdead experiment. Nop is ok for now.