[wasm] Int64Lowering of I64Div and I64Rem.

test/cctest/wasm/test-run-wasm.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 594 matching lines @@
                                    WASM_GET_LOCAL(1)),
                      WASM_I32_DIVS(WASM_STORE_MEM(MachineType::Int8(),
                                                   WASM_ZERO, WASM_GET_LOCAL(0)),
                                    WASM_GET_LOCAL(1))));
   CHECK_EQ(0, r.Call(0, 100));
   CHECK_TRAP(r.Call(8, 0));
   CHECK_TRAP(r.Call(4, 0));
   CHECK_TRAP(r.Call(0, 0));
 }
 
-
-#if WASM_64
-#define as64(x) static_cast<int64_t>(x)
-TEST(Run_WASM_Int64DivS_trap) {
-  WasmRunner<int64_t> r(MachineType::Int64(), MachineType::Int64());
-  BUILD(r, WASM_I64_DIVS(WASM_GET_LOCAL(0), WASM_GET_LOCAL(1)));
-  CHECK_EQ(0, r.Call(as64(0), as64(100)));
-  CHECK_TRAP64(r.Call(as64(100), as64(0)));
-  CHECK_TRAP64(r.Call(as64(-1001), as64(0)));
-  CHECK_TRAP64(r.Call(std::numeric_limits<int64_t>::min(), as64(-1)));
-  CHECK_TRAP64(r.Call(std::numeric_limits<int64_t>::min(), as64(0)));
-}
-
-
-TEST(Run_WASM_Int64RemS_trap) {
-  WasmRunner<int64_t> r(MachineType::Int64(), MachineType::Int64());
-  BUILD(r, WASM_I64_REMS(WASM_GET_LOCAL(0), WASM_GET_LOCAL(1)));
-  CHECK_EQ(33, r.Call(as64(133), as64(100)));
-  CHECK_EQ(0, r.Call(std::numeric_limits<int64_t>::min(), as64(-1)));
-  CHECK_TRAP64(r.Call(as64(100), as64(0)));
-  CHECK_TRAP64(r.Call(as64(-1001), as64(0)));
-  CHECK_TRAP64(r.Call(std::numeric_limits<int64_t>::min(), as64(0)));
-}
-
-
-TEST(Run_WASM_Int64DivU_trap) {
-  WasmRunner<int64_t> r(MachineType::Int64(), MachineType::Int64());
-  BUILD(r, WASM_I64_DIVU(WASM_GET_LOCAL(0), WASM_GET_LOCAL(1)));
-  CHECK_EQ(0, r.Call(as64(0), as64(100)));
-  CHECK_EQ(0, r.Call(std::numeric_limits<int64_t>::min(), as64(-1)));
-  CHECK_TRAP64(r.Call(as64(100), as64(0)));
-  CHECK_TRAP64(r.Call(as64(-1001), as64(0)));
-  CHECK_TRAP64(r.Call(std::numeric_limits<int64_t>::min(), as64(0)));
-}
-
-
-TEST(Run_WASM_Int64RemU_trap) {
-  WasmRunner<int64_t> r(MachineType::Int64(), MachineType::Int64());
-  BUILD(r, WASM_I64_REMU(WASM_GET_LOCAL(0), WASM_GET_LOCAL(1)));
-  CHECK_EQ(17, r.Call(as64(217), as64(100)));
-  CHECK_TRAP64(r.Call(as64(100), as64(0)));
-  CHECK_TRAP64(r.Call(as64(-1001), as64(0)));
-  CHECK_TRAP64(r.Call(std::numeric_limits<int64_t>::min(), as64(0)));
-  CHECK_EQ(std::numeric_limits<int64_t>::min(),
-           r.Call(std::numeric_limits<int64_t>::min(), as64(-1)));
-}
-
-
-TEST(Run_WASM_Int64DivS_byzero_const) {
-  for (int8_t denom = -2; denom < 8; denom++) {
-    WasmRunner<int64_t> r(MachineType::Int64());
-    BUILD(r, WASM_I64_DIVS(WASM_GET_LOCAL(0), WASM_I64V_1(denom)));
-    for (int64_t val = -7; val < 8; val++) {
-      if (denom == 0) {
-        CHECK_TRAP64(r.Call(val));
-      } else {
-        CHECK_EQ(val / denom, r.Call(val));
-      }
-    }
-  }
-}
-
-
-TEST(Run_WASM_Int64DivU_byzero_const) {
-  for (uint64_t denom = 0xfffffffffffffffe; denom < 8; denom++) {
-    WasmRunner<uint64_t> r(MachineType::Uint64());
-    BUILD(r, WASM_I64_DIVU(WASM_GET_LOCAL(0), WASM_I64V_1(denom)));
-
-    for (uint64_t val = 0xfffffffffffffff0; val < 8; val++) {
-      if (denom == 0) {
-        CHECK_TRAP64(r.Call(val));
-      } else {
-        CHECK_EQ(val / denom, r.Call(val));
-      }
-    }
-  }
-}
-#endif
-
-
 void TestFloat32Binop(WasmOpcode opcode, int32_t expected, float a, float b) {
   {
     WasmRunner<int32_t> r;
     // return K op K
     BUILD(r, WASM_BINOP(opcode, WASM_F32(a), WASM_F32(b)));
     CHECK_EQ(expected, r.Call());
   }
   {
     WasmRunner<int32_t> r(MachineType::Float32(), MachineType::Float32());
     // return a op b
@@ skipping 2545 matching lines @@
 
 #if WASM_64
 TEST(Compile_Wasm_CallIndirect_Many_i64) { CompileCallIndirectMany(kAstI64); }
 #endif
 
 
 TEST(Compile_Wasm_CallIndirect_Many_f32) { CompileCallIndirectMany(kAstF32); }
 
 
 TEST(Compile_Wasm_CallIndirect_Many_f64) { CompileCallIndirectMany(kAstF64); }