[wasm-simd] Implement f64x2 abs neg for ia32

Bug: v8:9728
Change-Id: Icb8c1cfce481ba8a9c4b3447cd2de43920d6f528
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1807552Reviewed-by: Deepti Gandluri <gdeepti@chromium.org>
Commit-Queue: Zhi An Ng <zhin@chromium.org>
Cr-Commit-Position: refs/heads/master@{#64010}

src/compiler/backend/ia32/instruction-selector-ia32.cc

@@ -854,7 +854,9 @@ void InstructionSelector::VisitWord32Ror(Node* node) {
   V(Float32Abs, kAVXFloat32Abs, kSSEFloat32Abs) \
   V(Float64Abs, kAVXFloat64Abs, kSSEFloat64Abs) \
   V(Float32Neg, kAVXFloat32Neg, kSSEFloat32Neg) \
-  V(Float64Neg, kAVXFloat64Neg, kSSEFloat64Neg)
+  V(Float64Neg, kAVXFloat64Neg, kSSEFloat64Neg) \
+  V(F64x2Abs, kAVXFloat64Abs, kSSEFloat64Abs)   \
+  V(F64x2Neg, kAVXFloat64Neg, kSSEFloat64Neg)
 
 #define RO_VISITOR(Name, opcode)                      \
   void InstructionSelector::Visit##Name(Node* node) { \

src/compiler/backend/instruction-selector.cc

@@ -2625,9 +2625,9 @@ void InstructionSelector::VisitWord64AtomicCompareExchange(Node* node) {
 void InstructionSelector::VisitF64x2Splat(Node* node) { UNIMPLEMENTED(); }
 void InstructionSelector::VisitF64x2ExtractLane(Node* node) { UNIMPLEMENTED(); }
 void InstructionSelector::VisitF64x2ReplaceLane(Node* node) { UNIMPLEMENTED(); }
-#endif  // !V8_TARGET_ARCH_IA32
 void InstructionSelector::VisitF64x2Abs(Node* node) { UNIMPLEMENTED(); }
 void InstructionSelector::VisitF64x2Neg(Node* node) { UNIMPLEMENTED(); }
+#endif  // !V8_TARGET_ARCH_IA32
 void InstructionSelector::VisitF64x2Sqrt(Node* node) { UNIMPLEMENTED(); }
 void InstructionSelector::VisitF64x2Add(Node* node) { UNIMPLEMENTED(); }
 void InstructionSelector::VisitF64x2Sub(Node* node) { UNIMPLEMENTED(); }

test/cctest/wasm/test-run-wasm-simd.cc

@@ -1164,7 +1164,6 @@ WASM_SIMD_TEST_NO_LOWERING(F64x2ReplaceLane) {
   }
 }
 
-#if V8_TARGET_ARCH_X64 || V8_TARGET_ARCH_ARM64
 bool IsExtreme(double x) {
   double abs_x = std::fabs(x);
   const double kSmallFloatThreshold = 1.0e-298;
@@ -1287,6 +1286,7 @@ WASM_SIMD_TEST_NO_LOWERING(F64x2Neg) {
   RunF64x2UnOpTest(execution_tier, lower_simd, kExprF64x2Neg, Negate);
 }
 
+#if V8_TARGET_ARCH_X64 || V8_TARGET_ARCH_ARM64
 WASM_SIMD_TEST_NO_LOWERING(F64x2Sqrt) {
   RunF64x2UnOpTest(execution_tier, lower_simd, kExprF64x2Sqrt, Sqrt);
 }