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

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Change-Id: Ib8b18a892b0b1a59229ebc97a38200b53e701a77
Reviewed-on: https://go-review.googlesource.com/c/go/+/402574
Reviewed-by: Keith Randall <khr@google.com>
Run-TryBot: Wayne Zuo <wdvxdr@golangcn.org>
Reviewed-by: Cherry Mui <cherryyz@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
This commit is contained in:
Wayne Zuo 2022-04-27 21:34:48 +08:00 committed by Keith Randall
parent 89044b6d42
commit 4d350710a2
1 changed files with 3 additions and 7 deletions
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10
src/cmd/compile/internal/ssagen/ssa.go
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@ -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