cmd/compile: intrinsify math/big.mulWW on MIPS64(LE),RISCV64

Change-Id: Ib8b18a892b0b1a59229ebc97a38200b53e701a77 Reviewed-on: https://go-review.googlesource.com/c/go/+/402574 Reviewed-by: Keith Randall <[email protected]> Run-TryBot: Wayne Zuo <[email protected]> Reviewed-by: Cherry Mui <[email protected]> TryBot-Result: Gopher Robot <[email protected]>
cloudflare · Apr 28, 2022 · 4d35071 · 4d35071
1 parent 89044b6
commit 4d35071
Showing 1 changed file with 3 additions and 7 deletions.
diff --git a/src/cmd/compile/internal/ssagen/ssa.go b/src/cmd/compile/internal/ssagen/ssa.go
@@ -4675,8 +4675,8 @@ func InitTables() {
  return s.newValue2(ssa.OpMul64uhilo, types.NewTuple(types.Types[types.TUINT64], types.Types[types.TUINT64]), args[0], args[1])
  },
  sys.AMD64, sys.ARM64, sys.PPC64, sys.S390X, sys.MIPS64, sys.RISCV64)
- alias("math/bits", "Mul", "math/bits", "Mul64", sys.ArchAMD64, sys.ArchARM64, sys.ArchPPC64, sys.ArchPPC64LE, sys.ArchS390X, sys.ArchMIPS64, sys.ArchMIPS64LE, sys.ArchRISCV64)
- alias("runtime/internal/math", "Mul64", "math/bits", "Mul64", sys.ArchAMD64, sys.ArchARM64, sys.ArchPPC64, sys.ArchPPC64LE, sys.ArchS390X, sys.ArchMIPS64, sys.ArchMIPS64LE, sys.ArchRISCV64)
+ alias("math/bits", "Mul", "math/bits", "Mul64", p8...)
+ alias("runtime/internal/math", "Mul64", "math/bits", "Mul64", p8...)
  addF("math/bits", "Add64",
  func(s *state, n *ir.CallExpr, args []*ssa.Value) *ssa.Value {
  return s.newValue3(ssa.OpAdd64carry, types.NewTuple(types.Types[types.TUINT64], types.Types[types.TUINT64]), args[0], args[1], args[2])
@@ -4749,11 +4749,7 @@ func InitTables() {
  alias("sync/atomic", "AddUintptr", "runtime/internal/atomic", "Xadd64", p8...)
 
  /******** math/big ********/
- add("math/big", "mulWW",
- func(s *state, n *ir.CallExpr, args []*ssa.Value) *ssa.Value {
- return s.newValue2(ssa.OpMul64uhilo, types.NewTuple(types.Types[types.TUINT64], types.Types[types.TUINT64]), args[0], args[1])
- },
- sys.ArchAMD64, sys.ArchARM64, sys.ArchPPC64LE, sys.ArchPPC64, sys.ArchS390X)
+ alias("math/big", "mulWW", "math/bits", "Mul64", p8...)
 }
 
 // findIntrinsic returns a function which builds the SSA equivalent of the