Revert of Add several SIMD opcodes to IA32

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

 // Copyright 2016 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/assembler-inl.h"
 #include "src/wasm/wasm-macro-gen.h"
 #include "test/cctest/cctest.h"
 #include "test/cctest/compiler/value-helper.h"
 #include "test/cctest/wasm/wasm-run-utils.h"
 
@@ skipping 196 matching lines @@
   return a ^ b;
 }
 
 template <typename T>
 T Not(T a) {
   return ~a;
 }
 
 }  // namespace
 
-#if !V8_TARGET_ARCH_ARM && !V8_TARGET_ARCH_X64 && !V8_TARGET_ARCH_IA32
+#if !V8_TARGET_ARCH_ARM && !V8_TARGET_ARCH_X64
 #define SIMD_LOWERING_TARGET 1
 #else
 #define SIMD_LOWERING_TARGET 0
-#endif  // !V8_TARGET_ARCH_ARM && !V8_TARGET_ARCH_X64 && !V8_TARGET_ARCH_IA32
+#endif  // !V8_TARGET_ARCH_ARM && !V8_TARGET_ARCH_X64
 
 // TODO(gdeepti): These are tests using sample values to verify functional
 // correctness of opcodes, add more tests for a range of values and macroize
 // tests.
 
 // TODO(bbudge) Figure out how to compare floats in Wasm code that can handle
 // NaNs. For now, our tests avoid using NaNs.
 #define WASM_SIMD_CHECK_LANE(TYPE, value, LANE_TYPE, lane_value, lane_index) \
   WASM_IF(WASM_##LANE_TYPE##_NE(WASM_GET_LOCAL(lane_value),                  \
                                 WASM_SIMD_##TYPE##_EXTRACT_LANE(             \
@@ skipping 1319 matching lines @@
         WASM_SET_GLOBAL(0, WASM_SIMD_F32x4_REPLACE_LANE(3, WASM_GET_GLOBAL(0),
                                                         WASM_F32(65.0))),
         WASM_I32V(1));
   FOR_INT32_INPUTS(i) { CHECK_EQ(1, r.Call(0)); }
   CHECK_EQ(*global, 13.5);
   CHECK_EQ(*(global + 1), 45.5);
   CHECK_EQ(*(global + 2), 32.25);
   CHECK_EQ(*(global + 3), 65.0);
 }
 #endif  // SIMD_LOWERING_TARGET