Remove unused macros.

Change-Id: I7bfe8ae788636ac1573b8934f988f157acc13cd3
diff --git a/aom_dsp/intrapred.c b/aom_dsp/intrapred.c
index 176884d..7184ccb 100644
--- a/aom_dsp/intrapred.c
+++ b/aom_dsp/intrapred.c
@@ -20,10 +20,6 @@
 #include "aom_mem/aom_mem.h"
 #include "aom_ports/bitops.h"
 
-#define DST(x, y) dst[(x) + (y)*stride]
-#define AVG3(a, b, c) (((a) + 2 * (b) + (c) + 2) >> 2)
-#define AVG2(a, b) (((a) + (b) + 1) >> 1)
-
 static INLINE void v_predictor(uint8_t *dst, ptrdiff_t stride, int bw, int bh,
                                const uint8_t *above, const uint8_t *left) {
   int r;
diff --git a/aom_dsp/x86/loopfilter_sse2.c b/aom_dsp/x86/loopfilter_sse2.c
index f6c00be..660ccd8 100644
--- a/aom_dsp/x86/loopfilter_sse2.c
+++ b/aom_dsp/x86/loopfilter_sse2.c
@@ -52,44 +52,6 @@
     mask = _mm_and_si128(mask, _mm_srli_si128(mask, 8));                      \
   } while (0)
 
-// filter_mask and hev_mask
-#define FILTER_HEV_MASK                                                       \
-  do {                                                                        \
-    /* (abs(q1 - q0), abs(p1 - p0) */                                         \
-    __m128i flat = abs_diff(q1p1, q0p0);                                      \
-    /* abs(p1 - q1), abs(p0 - q0) */                                          \
-    const __m128i abs_p1q1p0q0 = abs_diff(p1p0, q1q0);                        \
-    __m128i abs_p0q0, abs_p1q1, work;                                         \
-                                                                              \
-    /* const uint8_t hev = hev_mask(thresh, *op1, *op0, *oq0, *oq1); */       \
-    hev =                                                                     \
-        _mm_unpacklo_epi8(_mm_max_epu8(flat, _mm_srli_si128(flat, 8)), zero); \
-    hev = _mm_cmpgt_epi16(hev, thresh);                                       \
-    hev = _mm_packs_epi16(hev, hev);                                          \
-                                                                              \
-    /* const int8_t mask = filter_mask(*limit, *blimit, */                    \
-    /*                                 p3, p2, p1, p0, q0, q1, q2, q3); */    \
-    abs_p0q0 =                                                                \
-        _mm_adds_epu8(abs_p1q1p0q0, abs_p1q1p0q0); /* abs(p0 - q0) * 2 */     \
-    abs_p1q1 =                                                                \
-        _mm_unpackhi_epi8(abs_p1q1p0q0, abs_p1q1p0q0); /* abs(p1 - q1) */     \
-    abs_p1q1 = _mm_srli_epi16(abs_p1q1, 9);                                   \
-    abs_p1q1 = _mm_packs_epi16(abs_p1q1, abs_p1q1); /* abs(p1 - q1) / 2 */    \
-    /* abs(p0 - q0) * 2 + abs(p1 - q1) / 2 */                                 \
-    mask = _mm_adds_epu8(abs_p0q0, abs_p1q1);                                 \
-    /* abs(p3 - p2), abs(p2 - p1) */                                          \
-    work = abs_diff(p3p2, p2p1);                                              \
-    flat = _mm_max_epu8(work, flat);                                          \
-    /* abs(q3 - q2), abs(q2 - q1) */                                          \
-    work = abs_diff(q3q2, q2q1);                                              \
-    flat = _mm_max_epu8(work, flat);                                          \
-    flat = _mm_max_epu8(flat, _mm_srli_si128(flat, 8));                       \
-    mask = _mm_unpacklo_epi64(mask, flat);                                    \
-    mask = _mm_subs_epu8(mask, limit);                                        \
-    mask = _mm_cmpeq_epi8(mask, zero);                                        \
-    mask = _mm_and_si128(mask, _mm_srli_si128(mask, 8));                      \
-  } while (0)
-
 AOM_FORCE_INLINE void filter4_sse2(__m128i *p1p0, __m128i *q1q0, __m128i *hev,
                                    __m128i *mask, __m128i *qs1qs0,
                                    __m128i *ps1ps0) {
diff --git a/av1/av1_cx_iface.c b/av1/av1_cx_iface.c
index 759f77b..62ae021 100644
--- a/av1/av1_cx_iface.c
+++ b/av1/av1_cx_iface.c
@@ -25,7 +25,6 @@
 #include "aom_ports/mem_ops.h"
 
 #define MAG_SIZE (4)
-#define MAX_INDEX_SIZE (256)
 #define MAX_NUM_ENHANCEMENT_LAYERS 128
 
 struct av1_extracfg {
@@ -209,11 +208,6 @@
     if (!((p)->memb <= (hi))) ERROR(#memb " out of range [.." #hi "]"); \
   } while (0)
 
-#define RANGE_CHECK_LO(p, memb, lo)                                     \
-  do {                                                                  \
-    if (!((p)->memb >= (lo))) ERROR(#memb " out of range [" #lo "..]"); \
-  } while (0)
-
 #define RANGE_CHECK_BOOL(p, memb)                                     \
   do {                                                                \
     if (!!((p)->memb) != (p)->memb) ERROR(#memb " expected boolean"); \
@@ -1177,9 +1171,6 @@
   return AOM_CODEC_OK;
 }
 
-// Turn on to test if supplemental superframe data breaks decoding
-#define TEST_SUPPLEMENTAL_SUPERFRAME_DATA 0
-
 #if !CONFIG_BUFFER_MODEL
 // av1 uses 10,000,000 ticks/second as time stamp
 #define TICKS_PER_SEC 10000000LL
diff --git a/av1/common/convolve.c b/av1/common/convolve.c
index f20aaf9..79f4802 100644
--- a/av1/common/convolve.c
+++ b/av1/common/convolve.c
@@ -22,10 +22,6 @@
 #include "aom_dsp/aom_dsp_common.h"
 #include "aom_ports/mem.h"
 
-#define MAX_BLOCK_WIDTH (MAX_SB_SIZE)
-#define MAX_BLOCK_HEIGHT (MAX_SB_SIZE)
-#define MAX_STEP (32)
-
 void av1_convolve_horiz_rs_c(const uint8_t *src, int src_stride, uint8_t *dst,
                              int dst_stride, int w, int h,
                              const int16_t *x_filters, int x0_qn,
diff --git a/av1/common/pred_common.c b/av1/common/pred_common.c
index 14a5cf1..d77739d 100644
--- a/av1/common/pred_common.c
+++ b/av1/common/pred_common.c
@@ -142,9 +142,6 @@
   (((ref_frame) >= BWDREF_FRAME) && ((ref_frame) <= ALTREF_FRAME))
 #define IS_BACKWARD_REF_FRAME(ref_frame) CHECK_BACKWARD_REFS(ref_frame)
 
-#define CHECK_GOLDEN_OR_LAST3(ref_frame) \
-  (((ref_frame) == GOLDEN_FRAME) || ((ref_frame) == LAST3_FRAME))
-
 int av1_get_reference_mode_context(const MACROBLOCKD *xd) {
   int ctx;
   const MB_MODE_INFO *const above_mbmi = xd->above_mbmi;
diff --git a/av1/common/scan.c b/av1/common/scan.c
index 98f019f..31a787b 100644
--- a/av1/common/scan.c
+++ b/av1/common/scan.c
@@ -839,14 +839,6 @@
   927,  958,  989,  1020, 1021, 990, 959,  991,  1022, 1023
 };
 
-// Approximate versions, which reuse the 32x32 scan and assume rest of the
-// coeffs to be zero.
-#define default_scan_32x64 default_scan_32x32
-#define default_scan_64x32 default_scan_32x32
-#define default_scan_64x64 default_scan_32x32
-#define default_scan_16x64 default_scan_16x32
-#define default_scan_64x16 default_scan_32x16
-
 // Neighborhood 2-tuples for various scans and blocksizes,
 // in {top, left} order for each position in corresponding scan order.
 DECLARE_ALIGNED(16, static const int16_t,
@@ -2384,12 +2376,6 @@
   990, 1021, 991, 1022, 0,   0
 };
 
-#define default_scan_32x64_neighbors default_scan_32x32_neighbors
-#define default_scan_64x32_neighbors default_scan_32x32_neighbors
-#define default_scan_64x64_neighbors default_scan_32x32_neighbors
-#define default_scan_16x64_neighbors default_scan_16x32_neighbors
-#define default_scan_64x16_neighbors default_scan_32x16_neighbors
-
 DECLARE_ALIGNED(16, static const int16_t, av1_default_iscan_4x4[16]) = {
   0, 1, 5, 6, 2, 4, 7, 12, 3, 8, 11, 13, 9, 10, 14, 15
 };
diff --git a/av1/decoder/decodeframe.c b/av1/decoder/decodeframe.c
index 542b6f7..5c10fb4 100644
--- a/av1/decoder/decodeframe.c
+++ b/av1/decoder/decodeframe.c
@@ -59,7 +59,6 @@
 #include "av1/decoder/decodetxb.h"
 #include "av1/decoder/detokenize.h"
 
-#define MAX_AV1_HEADER_SIZE 80
 #define ACCT_STR __func__
 
 // This is needed by ext_tile related unit tests.
diff --git a/av1/encoder/encoder.c b/av1/encoder/encoder.c
index 9a4ebc0..f901ace 100644
--- a/av1/encoder/encoder.c
+++ b/av1/encoder/encoder.c
@@ -2704,10 +2704,12 @@
   return cpi;
 }
 
+#if CONFIG_INTERNAL_STATS
 #define SNPRINT(H, T) snprintf((H) + strlen(H), sizeof(H) - strlen(H), (T))
 
 #define SNPRINT2(H, T, V) \
   snprintf((H) + strlen(H), sizeof(H) - strlen(H), (T), (V))
+#endif  // CONFIG_INTERNAL_STATS
 
 void av1_remove_compressor(AV1_COMP *cpi) {
   AV1_COMMON *cm;
@@ -2792,8 +2794,7 @@
 
       fclose(f);
     }
-
-#endif
+#endif  // CONFIG_INTERNAL_STATS
   }
 
   for (t = 0; t < cpi->num_workers; ++t) {
diff --git a/av1/encoder/rdopt.c b/av1/encoder/rdopt.c
index 7b749b2..e8e8543 100644
--- a/av1/encoder/rdopt.c
+++ b/av1/encoder/rdopt.c
@@ -69,35 +69,6 @@
   { 1, 2 }, { 2, 0 }, { 2, 1 }, { 2, 2 },
 };
 
-#define LAST_FRAME_MODE_MASK                                          \
-  ((1 << INTRA_FRAME) | (1 << LAST2_FRAME) | (1 << LAST3_FRAME) |     \
-   (1 << GOLDEN_FRAME) | (1 << BWDREF_FRAME) | (1 << ALTREF2_FRAME) | \
-   (1 << ALTREF_FRAME))
-#define LAST2_FRAME_MODE_MASK                                         \
-  ((1 << INTRA_FRAME) | (1 << LAST_FRAME) | (1 << LAST3_FRAME) |      \
-   (1 << GOLDEN_FRAME) | (1 << BWDREF_FRAME) | (1 << ALTREF2_FRAME) | \
-   (1 << ALTREF_FRAME))
-#define LAST3_FRAME_MODE_MASK                                         \
-  ((1 << INTRA_FRAME) | (1 << LAST_FRAME) | (1 << LAST2_FRAME) |      \
-   (1 << GOLDEN_FRAME) | (1 << BWDREF_FRAME) | (1 << ALTREF2_FRAME) | \
-   (1 << ALTREF_FRAME))
-#define GOLDEN_FRAME_MODE_MASK                                       \
-  ((1 << INTRA_FRAME) | (1 << LAST_FRAME) | (1 << LAST2_FRAME) |     \
-   (1 << LAST3_FRAME) | (1 << BWDREF_FRAME) | (1 << ALTREF2_FRAME) | \
-   (1 << ALTREF_FRAME))
-#define BWDREF_FRAME_MODE_MASK                                       \
-  ((1 << INTRA_FRAME) | (1 << LAST_FRAME) | (1 << LAST2_FRAME) |     \
-   (1 << LAST3_FRAME) | (1 << GOLDEN_FRAME) | (1 << ALTREF2_FRAME) | \
-   (1 << ALTREF_FRAME))
-#define ALTREF2_FRAME_MODE_MASK                                     \
-  ((1 << INTRA_FRAME) | (1 << LAST_FRAME) | (1 << LAST2_FRAME) |    \
-   (1 << LAST3_FRAME) | (1 << GOLDEN_FRAME) | (1 << BWDREF_FRAME) | \
-   (1 << ALTREF_FRAME))
-#define ALTREF_FRAME_MODE_MASK                                      \
-  ((1 << INTRA_FRAME) | (1 << LAST_FRAME) | (1 << LAST2_FRAME) |    \
-   (1 << LAST3_FRAME) | (1 << GOLDEN_FRAME) | (1 << BWDREF_FRAME) | \
-   (1 << ALTREF2_FRAME))
-
 #define SECOND_REF_FRAME_MASK                                         \
   ((1 << ALTREF_FRAME) | (1 << ALTREF2_FRAME) | (1 << BWDREF_FRAME) | \
    (1 << GOLDEN_FRAME) | (1 << LAST2_FRAME) | 0x01)