Remove ARM NaCL macros from source

NaCL has been disabled for awhile, so the code
will still build, but only with C versions.
This change removes the MEMACCESS() macros from
Neon and Neon64 source.

BUG=libyuv:702
TEST=try bots build for arm.
R=kjellander@chromium.org

Change-Id: Id581a5c8ff71e18cc69595e7fee9337f97c44a19
Reviewed-on: https://chromium-review.googlesource.com/528332Reviewed-by: Cheng Wang <wangcheng@google.com>
Commit-Queue: Frank Barchard <fbarchard@google.com>

include/libyuv/row.h

@@ -625,15 +625,6 @@ extern const struct YuvConstants SIMD_ALIGNED(kYvuH709Constants);  // BT.709
   #op " $" #sel ",%%" #reg "," #offset "(%" #base ",%" #index "," #scale ")\n"
 #endif  // defined(__native_client__) && defined(__x86_64__)
 
-#if defined(__arm__) || defined(__aarch64__)
-#undef MEMACCESS
-#if defined(__native_client__)
-#define MEMACCESS(base) ".p2align 3\nbic %" #base ", #0xc0000000\n"
-#else
-#define MEMACCESS(base)
-#endif
-#endif
-
 // Intel Code Analizer markers.  Insert IACA_START IACA_END around code to be
 // measured and then run with iaca -64 libyuv_unittest.
 // IACA_ASM_START amd IACA_ASM_END are equivalents that can be used within

source/compare_neon.cc

@@ -64,9 +64,7 @@ uint32 SumSquareError_NEON(const uint8* src_a, const uint8* src_b, int count) {
     "vmov.u8    q11, #0                        \n"
 
   "1:                                          \n"
-    MEMACCESS(0)
     "vld1.8     {q0}, [%0]!                    \n"
-    MEMACCESS(1)
     "vld1.8     {q1}, [%1]!                    \n"
     "subs       %2, %2, #16                    \n"
     "vsubl.u8   q2, d0, d2                     \n"

source/compare_neon64.cc

@@ -59,9 +59,7 @@ uint32 SumSquareError_NEON(const uint8* src_a, const uint8* src_b, int count) {
     "eor        v19.16b, v19.16b, v19.16b      \n"
 
   "1:                                          \n"
-    MEMACCESS(0)
     "ld1        {v0.16b}, [%0], #16            \n"
-    MEMACCESS(1)
     "ld1        {v1.16b}, [%1], #16            \n"
     "subs       %w2, %w2, #16                  \n"
     "usubl      v2.8h, v0.8b, v1.8b            \n"

source/scale_any.cc

@@ -50,7 +50,7 @@ CANY(ScaleARGBFilterCols_Any_NEON,
 #define SDANY(NAMEANY, SCALEROWDOWN_SIMD, SCALEROWDOWN_C, FACTOR, BPP, MASK) \
   void NAMEANY(const uint8* src_ptr, ptrdiff_t src_stride, uint8* dst_ptr,   \
                int dst_width) {                                              \
-    int r = (int)((unsigned int)dst_width % (MASK + 1));        /* NOLINT */ \
+    int r = (int)((unsigned int)dst_width % (MASK + 1)); /* NOLINT */        \
     int n = dst_width - r;                                                   \
     if (n > 0) {                                                             \
       SCALEROWDOWN_SIMD(src_ptr, src_stride, dst_ptr, n);                    \
@@ -65,7 +65,7 @@ CANY(ScaleARGBFilterCols_Any_NEON,
 #define SDODD(NAMEANY, SCALEROWDOWN_SIMD, SCALEROWDOWN_C, FACTOR, BPP, MASK) \
   void NAMEANY(const uint8* src_ptr, ptrdiff_t src_stride, uint8* dst_ptr,   \
                int dst_width) {                                              \
-    int r = (int)((unsigned int)(dst_width - 1) % (MASK + 1));  /* NOLINT */ \
+    int r = (int)((unsigned int)(dst_width - 1) % (MASK + 1)); /* NOLINT */  \
     int n = (dst_width - 1) - r;                                             \
     if (n > 0) {                                                             \
       SCALEROWDOWN_SIMD(src_ptr, src_stride, dst_ptr, n);                    \