Merge two lines into one for V8_TARGET_ARCH_${arch} and V8_HOST_ARCH_${arch}

R=jkummerow@chromium.org

Review URL: https://codereview.chromium.org/18575003

Patch from Haitao Feng <haitao.feng@intel.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15500 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/atomicops.h

@@ -153,14 +153,11 @@ Atomic64 Release_Load(volatile const Atomic64* ptr);
 // Include our platform specific implementation.
 #if defined(THREAD_SANITIZER)
 #include "atomicops_internals_tsan.h"
-#elif defined(_MSC_VER) && \
-  (V8_HOST_ARCH_IA32 || V8_HOST_ARCH_X64)
+#elif defined(_MSC_VER) && (V8_HOST_ARCH_IA32 || V8_HOST_ARCH_X64)
 #include "atomicops_internals_x86_msvc.h"
-#elif defined(__APPLE__) && \
-  (V8_HOST_ARCH_IA32 || V8_HOST_ARCH_X64)
+#elif defined(__APPLE__) && (V8_HOST_ARCH_IA32 || V8_HOST_ARCH_X64)
 #include "atomicops_internals_x86_macosx.h"
-#elif defined(__GNUC__) && \
-  (V8_HOST_ARCH_IA32 || V8_HOST_ARCH_X64)
+#elif defined(__GNUC__) && (V8_HOST_ARCH_IA32 || V8_HOST_ARCH_X64)
 #include "atomicops_internals_x86_gcc.h"
 #elif defined(__GNUC__) && V8_HOST_ARCH_ARM
 #include "atomicops_internals_arm_gcc.h"

src/strtod.cc

@@ -175,8 +175,7 @@ static void ReadDiyFp(Vector<const char> buffer,
 static bool DoubleStrtod(Vector<const char> trimmed,
                          int exponent,
                          double* result) {
-#if (V8_TARGET_ARCH_IA32 || defined(USE_SIMULATOR)) \
-    && !defined(_MSC_VER)
+#if (V8_TARGET_ARCH_IA32 || defined(USE_SIMULATOR)) && !defined(_MSC_VER)
   // On x86 the floating-point stack can be 64 or 80 bits wide. If it is
   // 80 bits wide (as is the case on Linux) then double-rounding occurs and the
   // result is not accurate.