Disable more wasm tests.

test/cctest/wasm/test-run-wasm-module.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 <stdlib.h>
 #include <string.h>
 
 #include "src/wasm/encoder.h"
 #include "src/wasm/wasm-macro-gen.h"
 #include "src/wasm/wasm-module.h"
@@ skipping 58 matching lines @@
   WasmFunctionBuilder* f = builder->FunctionAt(f_index);
   f->ReturnType(kAstI32);
   f->Exported(1);
   byte code[] = {WASM_I8(kReturnValue)};
   f->EmitCode(code, sizeof(code));
   WasmModuleWriter* writer = builder->Build(&zone);
   TestModule(writer->WriteTo(&zone), kReturnValue);
 }
 
 
+// TODO(tizer): Figure out why this crashes with PPC.
+#if !defined(V8_TARGET_ARCH_PPC) && !defined(V8_TARGET_ARCH_PPC64)
+
 TEST(Run_WasmModule_CallAdd) {
   Zone zone;
   WasmModuleBuilder* builder = new (&zone) WasmModuleBuilder(&zone);
   uint16_t f1_index = builder->AddFunction();
   WasmFunctionBuilder* f = builder->FunctionAt(f1_index);
   f->ReturnType(kAstI32);
   uint16_t param1 = f->AddParam(kAstI32);
   uint16_t param2 = f->AddParam(kAstI32);
   byte code1[] = {WASM_I32_ADD(WASM_GET_LOCAL(param1), WASM_GET_LOCAL(param2))};
   uint32_t local_indices1[] = {2, 4};
   f->EmitCode(code1, sizeof(code1), local_indices1, sizeof(local_indices1) / 4);
   uint16_t f2_index = builder->AddFunction();
   f = builder->FunctionAt(f2_index);
   f->ReturnType(kAstI32);
   f->Exported(1);
   byte code2[] = {WASM_CALL_FUNCTION(f1_index, WASM_I8(77), WASM_I8(22))};
   f->EmitCode(code2, sizeof(code2));
   WasmModuleWriter* writer = builder->Build(&zone);
   TestModule(writer->WriteTo(&zone), 99);
 }
 
+#endif
+
 
 TEST(Run_WasmModule_ReadLoadedDataSegment) {
   static const byte kDataSegmentDest0 = 12;
   Zone zone;
   WasmModuleBuilder* builder = new (&zone) WasmModuleBuilder(&zone);
   uint16_t f_index = builder->AddFunction();
   WasmFunctionBuilder* f = builder->FunctionAt(f_index);
   f->ReturnType(kAstI32);
   f->Exported(1);
   byte code[] = {
@@ skipping 89 matching lines @@
   f->ReturnType(kAstI32);
   f->Exported(1);
   byte code2[] = {WASM_STORE_GLOBAL(global1, WASM_I32(56)),
                   WASM_STORE_GLOBAL(global2, WASM_I32(41)),
                   WASM_RETURN(WASM_CALL_FUNCTION0(f1_index))};
   f->EmitCode(code2, sizeof(code2));
   WasmModuleWriter* writer = builder->Build(&zone);
   TestModule(writer->WriteTo(&zone), 97);
 }
 #endif