[wasm] Int64Lowering of I64XConvertFXX instructions.

test/cctest/wasm/test-run-wasm-64.cc

 // Copyright 2015 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 <stdint.h>
 #include <stdlib.h>
 #include <string.h>
 
 #include "src/wasm/wasm-macro-gen.h"
 
@@ skipping 424 matching lines @@
                 {0x8000008000000001, 0x43e0000010000000},
                 {0x8000000000000400, 0x43e0000000000000},
                 {0x8000000000000401, 0x43e0000000000001}};
   WasmRunner<double> r(MachineType::Uint64());
   BUILD(r, WASM_F64_UCONVERT_I64(WASM_GET_LOCAL(0)));
   for (size_t i = 0; i < arraysize(values); i++) {
     CHECK_EQ(bit_cast<double>(values[i].expected), r.Call(values[i].input));
   }
 }
 // kExprI64SConvertF32:
+
+TEST(Run_Wasm_I64SConvertF32) {
+  WasmRunner<int64_t> r(MachineType::Float32());
+  BUILD(r, WASM_I64_SCONVERT_F32(WASM_GET_LOCAL(0)));
+
+  FOR_FLOAT32_INPUTS(i) {
+    if (*i < static_cast<float>(std::numeric_limits<int64_t>::max()) &&
+        *i >= static_cast<float>(std::numeric_limits<int64_t>::min())) {
+      CHECK_EQ(static_cast<int64_t>(*i), r.Call(*i));
+    } else {
+      CHECK_TRAP64(r.Call(*i));
+    }
+  }
+}
 // kExprI64SConvertF64:
+TEST(Run_Wasm_I64SConvertF64) {
+  WasmRunner<int64_t> r(MachineType::Float64());
+  BUILD(r, WASM_I64_SCONVERT_F64(WASM_GET_LOCAL(0)));
+
+  FOR_FLOAT64_INPUTS(i) {
+    if (*i < static_cast<double>(std::numeric_limits<int64_t>::max()) &&
+        *i >= static_cast<double>(std::numeric_limits<int64_t>::min())) {
+      CHECK_EQ(static_cast<int64_t>(*i), r.Call(*i));
+    } else {
+      CHECK_TRAP64(r.Call(*i));
+    }
+  }
+}
+
 // kExprI64UConvertF32:
+TEST(Run_Wasm_I64UConvertF32) {
+  WasmRunner<uint64_t> r(MachineType::Float32());
+  BUILD(r, WASM_I64_UCONVERT_F32(WASM_GET_LOCAL(0)));
+
+  FOR_FLOAT32_INPUTS(i) {
+    if (*i < static_cast<float>(std::numeric_limits<uint64_t>::max()) &&
+        *i > -1) {
+      CHECK_EQ(static_cast<uint64_t>(*i), r.Call(*i));
+    } else {
+      CHECK_TRAP64(r.Call(*i));
+    }
+  }
+}
+
 // kExprI64UConvertF64:
+TEST(Run_Wasm_I64UConvertF64) {
+  WasmRunner<uint64_t> r(MachineType::Float64());
+  BUILD(r, WASM_I64_UCONVERT_F64(WASM_GET_LOCAL(0)));
+
+  FOR_FLOAT64_INPUTS(i) {
+    if (*i < static_cast<float>(std::numeric_limits<uint64_t>::max()) &&
+        *i > -1) {
+      CHECK_EQ(static_cast<uint64_t>(*i), r.Call(*i));
+    } else {
+      CHECK_TRAP64(r.Call(*i));
+    }
+  }
+}
 
 TEST(Run_WasmCallI64Parameter) {
   // Build the target function.
   LocalType param_types[20];
   for (int i = 0; i < 20; i++) param_types[i] = kAstI64;
   param_types[3] = kAstI32;
   param_types[4] = kAstI32;
   FunctionSig sig(1, 19, param_types);
   for (int i = 0; i < 19; i++) {
     TestingModule module;
@@ skipping 18 matching lines @@
             WASM_I64V_10(0xbcd1234000000013), WASM_I64V_10(0xbcd1234000000014),
             WASM_I64V_10(0xbcd1234000000015), WASM_I64V_10(0xbcd1234000000016),
             WASM_I64V_10(0xbcd1234000000017), WASM_I64V_10(0xbcd1234000000018),
             WASM_I64V_10(0xbcd1234000000019), WASM_I64V_10(0xbcd123400000001a),
             WASM_I64V_10(0xbcd123400000001b), WASM_I64V_10(0xbcd123400000001c),
             WASM_I64V_10(0xbcd123400000001d))));
 
     CHECK_EQ(i + 0xb, r.Call());
   }
 }