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[dev.simd] cmd/compile: fix opLen(2|3)Imm8_2I intrinsic function

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This function reads the const from the wrong arg, this CL fixes it.

Change-Id: Icd38977a35f0df9064efb290fa6390453d6b9e5b
Reviewed-on: https://go-review.googlesource.com/c/go/+/688595
Reviewed-by: David Chase <drchase@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
This commit is contained in:
Junyang Shao 2025-07-17 22:23:15 +00:00 • committed by David Chase
parent 03a3887f31
commit f0e9dc0975
1 changed files with 2 additions and 2 deletions
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4
src/cmd/compile/internal/ssagen/intrinsics.go
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@ -1722,7 +1722,7 @@ func opLen3Imm8(op ssa.Op, t *types.Type, offset int) func(s *state, n *ir.CallE
func opLen2Imm8_2I(op ssa.Op, t *types.Type, offset int) func(s *state, n *ir.CallExpr, args []*ssa.Value) *ssa.Value { func opLen2Imm8_2I(op ssa.Op, t *types.Type, offset int) func(s *state, n *ir.CallExpr, args []*ssa.Value) *ssa.Value {
return func(s *state, n *ir.CallExpr, args []*ssa.Value) *ssa.Value { return func(s *state, n *ir.CallExpr, args []*ssa.Value) *ssa.Value {
if args[1].Op == ssa.OpConst8 { if args[2].Op == ssa.OpConst8 {
return s.newValue2I(op, t, args[2].AuxInt<<int64(offset), args[0], args[1]) return s.newValue2I(op, t, args[2].AuxInt<<int64(offset), args[0], args[1])
} }
plainPanicSimdImm(s) plainPanicSimdImm(s)
@ -1736,7 +1736,7 @@ func opLen2Imm8_2I(op ssa.Op, t *types.Type, offset int) func(s *state, n *ir.Ca
func opLen3Imm8_2I(op ssa.Op, t *types.Type, offset int) func(s *state, n *ir.CallExpr, args []*ssa.Value) *ssa.Value { func opLen3Imm8_2I(op ssa.Op, t *types.Type, offset int) func(s *state, n *ir.CallExpr, args []*ssa.Value) *ssa.Value {
return func(s *state, n *ir.CallExpr, args []*ssa.Value) *ssa.Value { return func(s *state, n *ir.CallExpr, args []*ssa.Value) *ssa.Value {
if args[1].Op == ssa.OpConst8 { if args[2].Op == ssa.OpConst8 {
return s.newValue3I(op, t, args[2].AuxInt<<int64(offset), args[0], args[1], args[3]) return s.newValue3I(op, t, args[2].AuxInt<<int64(offset), args[0], args[1], args[3])
} }
plainPanicSimdImm(s) plainPanicSimdImm(s)