[wasm]implement simd lowering for f32x4->i32x4, i32x4 min/max and shift instructions

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 734 matching lines @@
         WASM_SIMD_CHECK16(I8x16, simd, I32, new_val, new_val, new_val, new_val,
                           new_val, new_val, new_val, new_val, new_val, new_val,
                           new_val, new_val, new_val, new_val, new_val, old_val),
         WASM_SET_LOCAL(simd,
                        WASM_SIMD_I8x16_REPLACE_LANE(15, WASM_GET_LOCAL(simd),
                                                     WASM_GET_LOCAL(new_val))),
         WASM_SIMD_CHECK_SPLAT16(I8x16, simd, I32, new_val), WASM_ONE);
 
   CHECK_EQ(1, r.Call(1, 2));
 }
+#endif  // V8_TARGET_ARCH_ARM
 
+#if V8_TARGET_ARCH_ARM || SIMD_LOWERING_TARGET
 // Determines if conversion from float to int will be valid.
 bool CanRoundToZeroAndConvert(double val, bool unsigned_integer) {
   const double max_uint = static_cast<double>(0xffffffffu);
   const double max_int = static_cast<double>(kMaxInt);
   const double min_int = static_cast<double>(kMinInt);
 
   // Check for NaN.
   if (val != val) {
     return false;
   }
@@ skipping 43 matching lines @@
       WASM_SIMD_CHECK_SPLAT4(I32x4, simd1, I32, expected_signed),
       WASM_SET_LOCAL(simd2, WASM_SIMD_U32x4_FROM_F32x4(WASM_GET_LOCAL(simd0))),
       WASM_SIMD_CHECK_SPLAT4(I32x4, simd2, I32, expected_unsigned), WASM_ONE);
 
   FOR_FLOAT32_INPUTS(i) {
     int32_t signed_value = ConvertToInt(*i, false);
     int32_t unsigned_value = ConvertToInt(*i, true);
     CHECK_EQ(1, r.Call(*i, signed_value, unsigned_value));
   }
 }
-#endif  // V8_TARGET_ARCH_ARM
 
-#if V8_TARGET_ARCH_ARM || SIMD_LOWERING_TARGET
 void RunI32x4UnOpTest(WasmOpcode simd_op, Int32UnOp expected_op) {
   FLAG_wasm_simd_prototype = true;
   WasmRunner<int32_t, int32_t, int32_t> r(kExecuteCompiled);
   byte a = 0;
   byte expected = 1;
   byte simd = r.AllocateLocal(kWasmS128);
   BUILD(r, WASM_SET_LOCAL(simd, WASM_SIMD_I32x4_SPLAT(WASM_GET_LOCAL(a))),
         WASM_SET_LOCAL(simd, WASM_SIMD_UNOP(simd_op, WASM_GET_LOCAL(simd))),
         WASM_SIMD_CHECK_SPLAT4(I32x4, simd, I32, expected), WASM_ONE);
 
@@ skipping 29 matching lines @@
 WASM_EXEC_COMPILED_TEST(I32x4Sub) { RunI32x4BinOpTest(kExprI32x4Sub, Sub); }
 
 #if V8_TARGET_ARCH_ARM || SIMD_LOWERING_TARGET
 WASM_EXEC_COMPILED_TEST(I32x4Mul) { RunI32x4BinOpTest(kExprI32x4Mul, Mul); }
 
 WASM_EXEC_COMPILED_TEST(S128And) { RunI32x4BinOpTest(kExprS128And, And); }
 
 WASM_EXEC_COMPILED_TEST(S128Or) { RunI32x4BinOpTest(kExprS128Or, Or); }
 
 WASM_EXEC_COMPILED_TEST(S128Xor) { RunI32x4BinOpTest(kExprS128Xor, Xor); }
-#endif  // V8_TARGET_ARCH_ARM || SIMD_LOWERING_TARGET
 
-#if V8_TARGET_ARCH_ARM
 WASM_EXEC_COMPILED_TEST(I32x4Min) {
   RunI32x4BinOpTest(kExprI32x4MinS, Minimum);
 }
 
 WASM_EXEC_COMPILED_TEST(I32x4Max) {
   RunI32x4BinOpTest(kExprI32x4MaxS, Maximum);
 }
 
 WASM_EXEC_COMPILED_TEST(Ui32x4Min) {
   RunI32x4BinOpTest(kExprI32x4MinU, UnsignedMinimum);
 }
 
 WASM_EXEC_COMPILED_TEST(Ui32x4Max) {
   RunI32x4BinOpTest(kExprI32x4MaxU, UnsignedMaximum);
 }
+#endif  // V8_TARGET_ARCH_ARM || SIMD_LOWERING_TARGET
 
-
-
+#if V8_TARGET_ARCH_ARM
 void RunI32x4CompareOpTest(WasmOpcode simd_op, Int32BinOp expected_op) {
   FLAG_wasm_simd_prototype = true;
   WasmRunner<int32_t, int32_t, int32_t, int32_t> r(kExecuteCompiled);
   byte a = 0;
   byte b = 1;
   byte expected = 2;
   byte simd0 = r.AllocateLocal(kWasmS128);
   byte simd1 = r.AllocateLocal(kWasmS128);
   BUILD(r, WASM_SET_LOCAL(simd0, WASM_SIMD_I32x4_SPLAT(WASM_GET_LOCAL(a))),
         WASM_SET_LOCAL(simd1, WASM_SIMD_I32x4_SPLAT(WASM_GET_LOCAL(b))),
@@ skipping 40 matching lines @@
   RunI32x4CompareOpTest(kExprI32x4GeU, UnsignedGreaterEqual);
 }
 
 WASM_EXEC_COMPILED_TEST(Ui32x4Less) {
   RunI32x4CompareOpTest(kExprI32x4LtU, UnsignedLess);
 }
 
 WASM_EXEC_COMPILED_TEST(Ui32x4LessEqual) {
   RunI32x4CompareOpTest(kExprI32x4LeU, UnsignedLessEqual);
 }
+#endif  // V8_TARGET_ARCH_ARM
 
+#if V8_TARGET_ARCH_ARM || SIMD_LOWERING_TARGET
 void RunI32x4ShiftOpTest(WasmOpcode simd_op, Int32ShiftOp expected_op,
                          int shift) {
   FLAG_wasm_simd_prototype = true;
   WasmRunner<int32_t, int32_t, int32_t> r(kExecuteCompiled);
   byte a = 0;
   byte expected = 1;
   byte simd = r.AllocateLocal(kWasmS128);
   BUILD(r, WASM_SET_LOCAL(simd, WASM_SIMD_I32x4_SPLAT(WASM_GET_LOCAL(a))),
         WASM_SET_LOCAL(
             simd, WASM_SIMD_SHIFT_OP(simd_op, shift, WASM_GET_LOCAL(simd))),
         WASM_SIMD_CHECK_SPLAT4(I32x4, simd, I32, expected), WASM_ONE);
 
   FOR_INT32_INPUTS(i) { CHECK_EQ(1, r.Call(*i, expected_op(*i, shift))); }
 }
 
 WASM_EXEC_COMPILED_TEST(I32x4Shl) {
   RunI32x4ShiftOpTest(kExprI32x4Shl, LogicalShiftLeft, 1);
 }
 
 WASM_EXEC_COMPILED_TEST(I32x4ShrS) {
   RunI32x4ShiftOpTest(kExprI32x4ShrS, ArithmeticShiftRight, 1);
 }
 
 WASM_EXEC_COMPILED_TEST(I32x4ShrU) {
   RunI32x4ShiftOpTest(kExprI32x4ShrU, LogicalShiftRight, 1);
 }
+#endif  // V8_TARGET_ARCH_ARM || SIMD_LOWERING_TARGET
+
+#if V8_TARGET_ARCH_ARM
 
 void RunI16x8UnOpTest(WasmOpcode simd_op, Int16UnOp expected_op) {
   FLAG_wasm_simd_prototype = true;
   WasmRunner<int32_t, int32_t, int32_t> r(kExecuteCompiled);
   byte a = 0;
   byte expected = 1;
   byte simd = r.AllocateLocal(kWasmS128);
   BUILD(r, WASM_SET_LOCAL(simd, WASM_SIMD_I16x8_SPLAT(WASM_GET_LOCAL(a))),
         WASM_SET_LOCAL(simd, WASM_SIMD_UNOP(simd_op, WASM_GET_LOCAL(simd))),
         WASM_SIMD_CHECK_SPLAT8(I16x8, simd, I32, expected), WASM_ONE);
@@ skipping 572 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