[wasm] New implementation of popcnt and ctz.

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/base/bits.h"
 #include "src/wasm/wasm-macro-gen.h"
@@ skipping 10 matching lines @@
 #define CHECK_TRAP(x) CHECK_TRAP32(x)
 
 #define asi64(x) static_cast<int64_t>(x)
 
 #define asu64(x) static_cast<uint64_t>(x)
 
 #define B2(a, b) kExprBlock, 2, a, b
 #define B1(a) kExprBlock, 1, a
 
 // Can't bridge macro land with nested macros.
-#if V8_TARGET_ARCH_MIPS || V8_TARGET_ARCH_X87
-#define MIPS_OR_X87 true
+#if V8_TARGET_ARCH_MIPS
+#define MIPS true
 #else
-#define MIPS_OR_X87 false
-#endif
-
-#if V8_TARGET_ARCH_X87
-#define X87 true
-#else
-#define X87 false
-#endif
-
-#if V8_TARGET_ARCH_MIPS || V8_TARGET_ARCH_X87 || V8_TARGET_ARCH_ARM
-#define MIPS_OR_ARM_OR_X87 true
-#else
-#define MIPS_OR_ARM_OR_X87 false
+#define MIPS false
 #endif
 
 #define FOREACH_I64_OPERATOR(V) \
   V(DepthFirst, true)           \
   V(I64Phi, true)               \
   V(I64Const, true)             \
   V(I64Return, true)            \
   V(I64Param, true)             \
   V(I64LoadStore, true)         \
-  V(I64Add, !X87)               \
-  V(I64Sub, !X87)               \
-  V(I64Mul, !MIPS_OR_X87)       \
+  V(I64Add, true)               \
+  V(I64Sub, true)               \
+  V(I64Mul, !MIPS)              \
   V(I64DivS, true)              \
   V(I64DivU, true)              \
   V(I64RemS, true)              \
   V(I64RemU, true)              \
   V(I64And, true)               \
   V(I64Ior, true)               \
   V(I64Xor, true)               \
-  V(I64Shl, !X87)               \
-  V(I64ShrU, !X87)              \
-  V(I64ShrS, !X87)              \
+  V(I64Shl, true)               \
+  V(I64ShrU, true)              \
+  V(I64ShrS, true)              \
   V(I64Eq, true)                \
   V(I64Ne, true)                \
   V(I64LtS, true)               \
   V(I64LeS, true)               \
   V(I64LtU, true)               \
   V(I64LeU, true)               \
   V(I64GtS, true)               \
   V(I64GeS, true)               \
   V(I64GtU, true)               \
   V(I64GeU, true)               \
   V(I64Ctz, true)               \
   V(I64Clz, true)               \
-  V(I64Popcnt, !X87)            \
+  V(I64Popcnt, true)            \
   V(I32ConvertI64, true)        \
   V(I64SConvertF32, true)       \
   V(I64SConvertF64, true)       \
   V(I64UConvertF32, true)       \
   V(I64UConvertF64, true)       \
   V(I64SConvertI32, true)       \
   V(I64UConvertI32, true)       \
   V(F32SConvertI64, true)       \
   V(F32UConvertI64, true)       \
   V(F64SConvertI64, true)       \
@@ skipping 1265 matching lines @@
   WasmRunner<int64_t> r(MachineType::Int64(), MachineType::Int64());
   BUILD(r, WASM_I64_ROL(WASM_GET_LOCAL(0), WASM_GET_LOCAL(1)));
 
   FOR_UINT64_INPUTS(i) {
     FOR_UINT64_INPUTS(j) {
       int64_t expected = bits::RotateLeft64(*i, *j & 0x3f);
       CHECK_EQ(expected, r.Call(*i, *j));
     }
   }
 }