Add support for x86_64 assembly and intrinsics to the cmake build.

Darwin/Linux x86_64 only.

BUG=https://bugs.chromium.org/p/aomedia/issues/detail?id=76

Change-Id: I1500c085f26066ac0108017b5155aba0f003427c
diff --git a/CMakeLists.txt b/CMakeLists.txt
index fec7d05..35413a9 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -14,12 +14,11 @@
 set(AOM_ROOT "${CMAKE_CURRENT_SOURCE_DIR}")
 set(AOM_CONFIG_DIR "${CMAKE_CURRENT_BINARY_DIR}")
 
-# TODO(tomfinegan): Host auto detect goes here when $AOM_TARGET is empty.
-set(AOM_TARGET "generic")
 include("${AOM_ROOT}/build/cmake/aom_configure.cmake")
+include("${AOM_ROOT}/build/cmake/aom_optimization.cmake")
 
 # TODO(tomfinegan): Use libwebm's cmake support directly.
-set(AOM_LIBWEBM_SRCS
+set(AOM_LIBWEBM_SOURCES
     "${AOM_ROOT}/third_party/libwebm/common/hdr_util.cc"
     "${AOM_ROOT}/third_party/libwebm/common/hdr_util.h"
     "${AOM_ROOT}/third_party/libwebm/common/webmids.h"
@@ -35,7 +34,7 @@
     "${AOM_ROOT}/third_party/libwebm/mkvparser/mkvreader.cc"
     "${AOM_ROOT}/third_party/libwebm/mkvparser/mkvreader.h")
 
-set(AOM_LIBYUV_SRCS
+set(AOM_LIBYUV_SOURCES
     "${AOM_ROOT}/third_party/libyuv/include/libyuv/basic_types.h"
     "${AOM_ROOT}/third_party/libyuv/include/libyuv/convert.h"
     "${AOM_ROOT}/third_party/libyuv/include/libyuv/convert_argb.h"
@@ -64,7 +63,7 @@
     "${AOM_ROOT}/third_party/libyuv/source/scale_neon64.cc"
     "${AOM_ROOT}/third_party/libyuv/source/scale_win.cc")
 
-set(AOM_SRCS
+set(AOM_SOURCES
     "${AOM_CONFIG_DIR}/aom_config.c"
     "${AOM_CONFIG_DIR}/aom_config.h"
     "${AOM_ROOT}/aom/aom.h"
@@ -82,7 +81,7 @@
     "${AOM_ROOT}/aom/src/aom_encoder.c"
     "${AOM_ROOT}/aom/src/aom_image.c")
 
-set(AOM_DSP_SRCS
+set(AOM_DSP_SOURCES
     "${AOM_ROOT}/aom_dsp/aom_convolve.c"
     "${AOM_ROOT}/aom_dsp/aom_convolve.h"
     "${AOM_ROOT}/aom_dsp/aom_dsp_common.h"
@@ -142,12 +141,12 @@
     "${AOM_ROOT}/aom_dsp/variance.h"
     "${AOM_ROOT}/aom_dsp/x86/txfm_common_intrin.h")
 
-set(AOM_MEM_SRCS
+set(AOM_MEM_SOURCES
     "${AOM_ROOT}/aom_mem/aom_mem.c"
     "${AOM_ROOT}/aom_mem/aom_mem.h"
     "${AOM_ROOT}/aom_mem/include/aom_mem_intrnl.h")
 
-set(AOM_SCALE_SRCS
+set(AOM_SCALE_SOURCES
     "${AOM_ROOT}/aom_scale/aom_scale.h"
     "${AOM_ROOT}/aom_scale/aom_scale_rtcd.c"
     "${AOM_CONFIG_DIR}/aom_scale_rtcd.h"
@@ -157,10 +156,7 @@
     "${AOM_ROOT}/aom_scale/generic/yv12extend.c"
     "${AOM_ROOT}/aom_scale/yv12config.h")
 
-# TODO(tomfinegan): Extract aom_ports from aom_util if possible.
-# TODO(tomfinegan): aom_ports has some target specific source files.
-# aom_configure will need to set a var that gets picked up here.
-set(AOM_UTIL_SRCS
+set(AOM_UTIL_SOURCES
     "${AOM_ROOT}/aom_ports/aom_once.h"
     "${AOM_ROOT}/aom_ports/aom_timer.h"
     "${AOM_ROOT}/aom_ports/bitops.h"
@@ -174,7 +170,7 @@
     "${AOM_ROOT}/aom_util/aom_thread.h"
     "${AOM_ROOT}/aom_util/endian_inl.h")
 
-set(AOM_AV1_COMMON_SRCS
+set(AOM_AV1_COMMON_SOURCES
     "${AOM_ROOT}/av1/av1_iface_common.h"
     "${AOM_ROOT}/av1/common/alloccommon.c"
     "${AOM_ROOT}/av1/common/alloccommon.h"
@@ -237,7 +233,7 @@
     "${AOM_ROOT}/av1/common/tile_common.c"
     "${AOM_ROOT}/av1/common/tile_common.h")
 
-set(AOM_AV1_DECODER_SRCS
+set(AOM_AV1_DECODER_SOURCES
     "${AOM_ROOT}/av1/av1_dx_iface.c"
     "${AOM_ROOT}/av1/decoder/decodeframe.c"
     "${AOM_ROOT}/av1/decoder/decodeframe.h"
@@ -252,7 +248,7 @@
     "${AOM_ROOT}/av1/decoder/dthread.c"
     "${AOM_ROOT}/av1/decoder/dthread.h")
 
-set(AOM_AV1_ENCODER_SRCS
+set(AOM_AV1_ENCODER_SOURCES
     "${AOM_ROOT}/av1/av1_cx_iface.c"
     "${AOM_ROOT}/av1/encoder/aq_complexity.c"
     "${AOM_ROOT}/av1/encoder/aq_complexity.h"
@@ -361,6 +357,156 @@
 set(AOM_DECODE_PERF_TEST_SOURCES "${AOM_ROOT}/test/decode_perf_test.cc")
 set(AOM_ENCODE_PERF_TEST_SOURCES "${AOM_ROOT}/test/encode_perf_test.cc")
 set(AOM_UNIT_TEST_WEBM_SOURCES "${AOM_ROOT}/test/webm_video_source.h")
+set(AOM_PORTS_ASM_X86 "${AOM_ROOT}/aom_ports/x86_abi_support.asm")
+set(AOM_PORTS_ASM_MMX "${AOM_ROOT}/aom_ports/emms.asm")
+
+set(AOM_DSP_ASM_SSE2
+    # Requires CONFIG_AOM_HIGHBITDEPTH
+    #"${AOM_ROOT}/aom_dsp/x86/highbd_intrapred_sse2.asm"
+    #"${AOM_ROOT}/aom_dsp/x86/highbd_sad4d_sse2.asm"
+    #"${AOM_ROOT}/aom_dsp/x86/highbd_sad_sse2.asm"
+    #"${AOM_ROOT}/aom_dsp/x86/highbd_subpel_variance_impl_sse2.asm"
+    #"${AOM_ROOT}/aom_dsp/x86/highbd_variance_impl_sse2.asm"
+    #"${AOM_ROOT}/aom_dsp/x86/aom_high_subpixel_8t_sse2.asm"
+    #"${AOM_ROOT}/aom_dsp/x86/aom_high_subpixel_bilinear_sse2.asm"
+    "${AOM_ROOT}/aom_dsp/x86/aom_convolve_copy_sse2.asm"
+    "${AOM_ROOT}/aom_dsp/x86/aom_subpixel_8t_sse2.asm"
+    "${AOM_ROOT}/aom_dsp/x86/aom_subpixel_bilinear_sse2.asm"
+    "${AOM_ROOT}/aom_dsp/x86/halfpix_variance_impl_sse2.asm"
+    "${AOM_ROOT}/aom_dsp/x86/intrapred_sse2.asm"
+    "${AOM_ROOT}/aom_dsp/x86/inv_wht_sse2.asm"
+    "${AOM_ROOT}/aom_dsp/x86/sad4d_sse2.asm"
+    "${AOM_ROOT}/aom_dsp/x86/sad_sse2.asm"
+    "${AOM_ROOT}/aom_dsp/x86/subpel_variance_sse2.asm"
+    "${AOM_ROOT}/aom_dsp/x86/subtract_sse2.asm")
+
+set(AOM_DSP_INTRIN_SSE2
+    # Requires CONFIG_AOM_HIGHBITDEPTH
+    #"${AOM_ROOT}/aom_dsp/x86/highbd_loopfilter_sse2.c"
+    #"${AOM_ROOT}/aom_dsp/x86/highbd_quantize_intrin_sse2.c"
+    #"${AOM_ROOT}/aom_dsp/x86/highbd_subtract_sse2.c"
+    #"${AOM_ROOT}/aom_dsp/x86/highbd_variance_sse2.c"
+    "${AOM_ROOT}/aom_dsp/x86/aom_asm_stubs.c"
+    "${AOM_ROOT}/aom_dsp/x86/avg_intrin_sse2.c"
+    "${AOM_ROOT}/aom_dsp/x86/fwd_dct32_8cols_sse2.c"
+    "${AOM_ROOT}/aom_dsp/x86/fwd_dct32x32_impl_sse2.h"
+    "${AOM_ROOT}/aom_dsp/x86/fwd_txfm_impl_sse2.h"
+    "${AOM_ROOT}/aom_dsp/x86/fwd_txfm_sse2.c"
+    "${AOM_ROOT}/aom_dsp/x86/fwd_txfm_sse2.h"
+    "${AOM_ROOT}/aom_dsp/x86/halfpix_variance_sse2.c"
+    "${AOM_ROOT}/aom_dsp/x86/inv_txfm_sse2.c"
+    "${AOM_ROOT}/aom_dsp/x86/inv_txfm_sse2.h"
+    "${AOM_ROOT}/aom_dsp/x86/loopfilter_sse2.c"
+    "${AOM_ROOT}/aom_dsp/x86/quantize_sse2.c"
+    "${AOM_ROOT}/aom_dsp/x86/sum_squares_sse2.c"
+    "${AOM_ROOT}/aom_dsp/x86/txfm_common_sse2.h"
+    "${AOM_ROOT}/aom_dsp/x86/variance_sse2.c")
+
+set(AOM_DSP_INTRIN_SSSE3
+    "${AOM_ROOT}/aom_dsp/x86/aom_subpixel_8t_intrin_ssse3.c"
+    "${AOM_ROOT}/aom_dsp/x86/masked_sad_intrin_ssse3.c"
+    "${AOM_ROOT}/aom_dsp/x86/masked_variance_intrin_ssse3.c")
+
+set(AOM_DSP_ASM_SSSE3
+    "${AOM_ROOT}/aom_dsp/x86/aom_subpixel_8t_ssse3.asm"
+    "${AOM_ROOT}/aom_dsp/x86/aom_subpixel_bilinear_ssse3.asm"
+    "${AOM_ROOT}/aom_dsp/x86/fwd_txfm_ssse3_x86_64.asm"
+    "${AOM_ROOT}/aom_dsp/x86/intrapred_ssse3.asm"
+    "${AOM_ROOT}/aom_dsp/x86/sad_ssse3.asm")
+
+set(AOM_DSP_ASM_SSSE3_X86_64
+    "${AOM_ROOT}/aom_dsp/x86/avg_ssse3_x86_64.asm"
+    "${AOM_ROOT}/aom_dsp/x86/inv_txfm_ssse3_x86_64.asm"
+    "${AOM_ROOT}/aom_dsp/x86/quantize_ssse3_x86_64.asm"
+    "${AOM_ROOT}/aom_dsp/x86/ssim_opt_x86_64.asm")
+
+set(AOM_DSP_INTRIN_SSE3 "${AOM_ROOT}/aom_dsp/x86/sad_sse3.asm")
+set(AOM_DSP_ASM_SSE4_1 "${AOM_ROOT}/aom_dsp/x86/sad_sse4.asm")
+
+set(AOM_DSP_INTRIN_SSE4_1
+    # Requires CONFIG_AOM_HIGHBITDEPTH
+    #"${AOM_ROOT}/aom_dsp/x86/highbd_variance_sse4.c"
+    "${AOM_ROOT}/aom_dsp/x86/blend_a64_hmask_sse4.c"
+    "${AOM_ROOT}/aom_dsp/x86/blend_a64_mask_sse4.c"
+    "${AOM_ROOT}/aom_dsp/x86/blend_a64_vmask_sse4.c"
+    "${AOM_ROOT}/aom_dsp/x86/obmc_sad_sse4.c"
+    "${AOM_ROOT}/aom_dsp/x86/obmc_variance_sse4.c")
+set(AOM_DSP_AVX_ASM "${AOM_ROOT}/aom_dsp/x86/quantize_avx_x86_64.asm")
+set(AOM_DSP_AVX2_INTRIN
+    # Requires CONFIG_AOM_HIGHBITDEPTH
+    #"${AOM_ROOT}/aom_dsp/x86/sad_highbd_avx2.c"
+    "${AOM_ROOT}/aom_dsp/x86/aom_subpixel_8t_intrin_avx2.c"
+    "${AOM_ROOT}/aom_dsp/x86/fwd_txfm_avx2.c"
+    "${AOM_ROOT}/aom_dsp/x86/loopfilter_avx2.c"
+    "${AOM_ROOT}/aom_dsp/x86/sad4d_avx2.c"
+    "${AOM_ROOT}/aom_dsp/x86/sad_avx2.c"
+    "${AOM_ROOT}/aom_dsp/x86/sad_impl_avx2.c"
+    "${AOM_ROOT}/aom_dsp/x86/variance_avx2.c"
+    "${AOM_ROOT}/aom_dsp/x86/variance_impl_avx2.c")
+
+set(AOM_AV1_COMMON_SSE2_INTRIN
+    # Requires CONFIG_CLPF
+    #"${AOM_ROOT}/av1/common/clpf_sse2.c"
+    # Requires CONFIG_GLOBAL_MOTION or CONFIG_WARPED_MOTION
+    #"${AOM_ROOT}/av1/common/x86/warp_plane_sse2.c"
+    "${AOM_ROOT}/av1/common/x86/idct_intrin_sse2.c")
+
+set(AOM_AV1_COMMON_SSSE3_INTRIN
+    # Requires CONFIG_CLPF
+    #"${AOM_ROOT}/av1/common/clpf_ssse3.c"
+    "${AOM_ROOT}/av1/common/x86/av1_convolve_ssse3.c")
+
+set(AOM_AV1_COMMON_SSE4_1_INTRIN
+    # Requires CONFIG_CLPF
+    #"${AOM_ROOT}/av1/common/clpf_sse4.c"
+    # Requires CONFIG_AOM_HIGHBITDEPTH
+    #"${AOM_ROOT}/av1/common/x86/av1_highbd_convolve_sse4.c"
+    # Requires CONFIG_FILTER_INTRA
+    #"${AOM_ROOT}/av1/common/x86/filterintra_sse4.c"
+    # Requires CONFIG_AOM_HIGHBITDEPTH
+    #"${AOM_ROOT}/av1/common/x86/highbd_inv_txfm_sse4.c"
+    # Requires CONFIG_DERING
+    #"${AOM_ROOT}/av1/common/x86/od_dering_sse4.c"
+    "${AOM_ROOT}/av1/common/x86/av1_fwd_txfm1d_sse4.c"
+    "${AOM_ROOT}/av1/common/x86/av1_fwd_txfm2d_sse4.c")
+
+set(AOM_AV1_COMMON_AVX2_INTRIN
+    # Requires CONFIG_AOM_HIGHBITDEPTH
+    #"${AOM_ROOT}/av1/common/x86/highbd_inv_txfm_avx2.c"
+    "${AOM_ROOT}/av1/common/x86/hybrid_inv_txfm_avx2.c")
+
+set(AOM_AV1_ENCODER_SSE2_ASM
+    "${AOM_ROOT}/av1/encoder/x86/dct_sse2.asm"
+    "${AOM_ROOT}/av1/encoder/x86/error_sse2.asm"
+    "${AOM_ROOT}/av1/encoder/x86/temporal_filter_apply_sse2.asm")
+set(AOM_AV1_ENCODER_SSE2_INTRIN
+    # Requires CONFIG_CLPF
+    #"${AOM_ROOT}/av1/encoder/clpf_rdo_sse2.c"
+    # Requires CONFIG_EXT_INTER
+    #"${AOM_ROOT}/av1/encoder/x86/wedge_utils_sse2.c"
+    "${AOM_ROOT}/av1/encoder/x86/dct_intrin_sse2.c"
+    "${AOM_ROOT}/av1/encoder/x86/highbd_block_error_intrin_sse2.c"
+    "${AOM_ROOT}/av1/encoder/x86/quantize_sse2.c")
+
+set(AOM_AV1_ENCODER_SSSE3_ASM
+    "${AOM_ROOT}/av1/encoder/x86/quantize_ssse3_x86_64.asm")
+
+set(AOM_AV1_ENCODER_SSSE3_INTRIN
+    # Requires CONFIG_CLPF
+    #"${AOM_ROOT}/av1/encoder/clpf_rdo_ssse3.c"
+    "${AOM_ROOT}/av1/encoder/x86/dct_ssse3.c")
+
+#set(AOM_SSE4_1_INTRIN
+    # Requires CONFIG_CLPF
+    #"${AOM_ROOT}/av1/encoder/clpf_rdo_sse4.c"
+    # Requires CONFIG_AOM_HIGHBITDEPTH
+    #"${AOM_ROOT}/av1/encoder/x86/av1_highbd_quantize_sse4.c"
+    # Requires CONFIG_AOM_HIGHBITDEPTH
+    #"${AOM_ROOT}/av1/encoder/x86/highbd_fwd_txfm_sse4.c")
+
+set(AOM_AV1_ENCODER_AVX2_INTRIN
+    "${AOM_ROOT}/av1/encoder/x86/error_intrin_avx2.c"
+    "${AOM_ROOT}/av1/encoder/x86/hybrid_fwd_txfm_avx2.c")
 
 # TODO(tomfinegan): split the test sources into lists that require decoder,
 # encoder, and both.
@@ -506,34 +652,33 @@
 
 # Targets
 # TODO(tomfinegan): Add support for enable/disable encoder/decoder.
-add_library(aom_dsp OBJECT ${AOM_DSP_SRCS})
+add_library(aom_dsp OBJECT ${AOM_DSP_SOURCES})
 AomAddRtcdGenerationCommand(${AOM_ROOT}/aom_dsp/aom_dsp_rtcd_defs.pl
                             ${AOM_CONFIG_DIR}/aom_dsp_rtcd.h
                             ${AOM_CONFIG_DIR}/aom_dsp/aom_dsp_rtcd.c
                             aom_dsp_rtcd)
 
 add_library(aom_encoder_stats OBJECT ${AOM_ENCODER_STATS_SOURCES})
+add_library(aom_mem OBJECT ${AOM_MEM_SOURCES})
 
-add_library(aom_mem OBJECT ${AOM_MEM_SRCS})
-
-add_library(aom_scale OBJECT ${AOM_SCALE_SRCS})
+add_library(aom_scale OBJECT ${AOM_SCALE_SOURCES})
 AomAddRtcdGenerationCommand(${AOM_ROOT}/aom_scale/aom_scale_rtcd.pl
                             ${AOM_CONFIG_DIR}/aom_scale_rtcd.h
                             ${AOM_CONFIG_DIR}/aom_scale/aom_scale_rtcd.c
                             aom_scale_rtcd)
 
-add_library(aom_util OBJECT ${AOM_UTIL_SRCS})
+add_library(aom_util OBJECT ${AOM_UTIL_SOURCES})
 
-add_library(aom_av1_common OBJECT ${AOM_AV1_COMMON_SRCS})
+add_library(aom_av1_common OBJECT ${AOM_AV1_COMMON_SOURCES})
 AomAddRtcdGenerationCommand(${AOM_ROOT}/av1/common/av1_rtcd_defs.pl
                             ${AOM_CONFIG_DIR}/av1_rtcd.h
                             ${AOM_CONFIG_DIR}/av1/common/av1_rtcd.c
                             aom_av1_rtcd)
 
-add_library(aom_av1_decoder OBJECT ${AOM_AV1_DECODER_SRCS})
-add_library(aom_av1_encoder OBJECT ${AOM_AV1_ENCODER_SRCS})
+add_library(aom_av1_decoder OBJECT ${AOM_AV1_DECODER_SOURCES})
+add_library(aom_av1_encoder OBJECT ${AOM_AV1_ENCODER_SOURCES})
 add_library(aom
-            ${AOM_SRCS}
+            ${AOM_SOURCES}
             $<TARGET_OBJECTS:aom_dsp>
             $<TARGET_OBJECTS:aom_mem>
             $<TARGET_OBJECTS:aom_scale>
@@ -542,6 +687,70 @@
             $<TARGET_OBJECTS:aom_av1_decoder>
             $<TARGET_OBJECTS:aom_av1_encoder>)
 
+#
+# Assembly and intrinsic targets.
+#
+if ("${AOM_TARGET_CPU}" STREQUAL "x86" OR "${AOM_TARGET_CPU}" STREQUAL "x86_64")
+  add_asm_build("aom_util" "AOM_PORTS_ASM_X86")
+endif ()
+
+if (HAVE_MMX)
+  add_asm_build("aom_util" "AOM_PORTS_ASM_MMX")
+endif ()
+
+if (HAVE_SSE2)
+  add_asm_build("aom_dsp" "AOM_DSP_ASM_SSE2")
+  add_asm_build("aom_av1_encoder" "AOM_AV1_ENCODER_SSE2_ASM")
+  require_flag("-msse2" NO)
+  add_intrinsics_object_library("-msse2" "sse2" "aom_dsp" "AOM_DSP_INTRIN_SSE2")
+  add_intrinsics_object_library("-msse2" "sse2" "aom_av1_common"
+                                "AOM_AV1_COMMON_SSE2_INTRIN")
+  add_intrinsics_object_library("-msse2" "sse2" "aom_av1_encoder"
+                                "AOM_AV1_ENCODER_SSE2_INTRIN")
+endif ()
+
+if (HAVE_SSE3)
+  add_asm_build("aom_dsp" "AOM_DSP_INTRIN_SSE3")
+endif ()
+
+if (HAVE_SSSE3)
+  if ("${AOM_TARGET_CPU}" STREQUAL "x86_64")
+    list(APPEND AOM_DSP_ASM_SSSE3 ${AOM_DSP_ASM_SSSE3_X86_64})
+  endif ()
+  add_asm_build("aom_dsp" "AOM_DSP_ASM_SSSE3")
+  add_asm_build("aom_av1_encoder" "AOM_AV1_ENCODER_SSSE3_ASM")
+  require_flag("-mssse3" NO)
+  add_intrinsics_object_library("-mssse3" "ssse3" "aom_dsp"
+                                "AOM_DSP_INTRIN_SSSE3")
+  add_intrinsics_object_library("-mssse3" "ssse3" "aom_av1_common"
+                                "AOM_AV1_COMMON_SSSE3_INTRIN")
+  add_intrinsics_object_library("-mssse3" "ssse3" "aom_av1_encoder"
+                                "AOM_AV1_ENCODER_SSSE3_INTRIN")
+endif ()
+
+if (HAVE_SSE4_1)
+  add_asm_build("aom_dsp" "AOM_DSP_ASM_SSE4_1")
+  require_flag("-msse4.1" NO)
+  add_intrinsics_object_library("-msse4.1" "sse4_1" "aom_dsp"
+                                "AOM_DSP_INTRIN_SSE4_1")
+  add_intrinsics_object_library("-msse4.1" "sse4" "aom_av1_common"
+                                "AOM_AV1_COMMON_SSE4_1_INTRIN")
+endif ()
+if (HAVE_AVX)
+  add_asm_build("aom_dsp" "AOM_DSP_AVX_ASM")
+endif ()
+if (HAVE_AVX2)
+  require_flag("-mavx2" NO)
+  add_intrinsics_object_library("-mavx2" "avx2" "aom_dsp" "AOM_DSP_AVX2_INTRIN")
+  add_intrinsics_object_library("-mavx2" "avx2" "aom_av1_common"
+                                "AOM_AV1_COMMON_AVX2_INTRIN")
+  add_intrinsics_object_library("-mavx2" "avx2" "aom_av1_encoder"
+                                "AOM_AV1_ENCODER_AVX2_INTRIN")
+endif ()
+
+#
+# Application and application support targets.
+#
 add_library(aom_common_app_util OBJECT ${AOM_COMMON_APP_UTIL_SOURCES})
 add_library(aom_decoder_app_util OBJECT ${AOM_DECODER_APP_UTIL_SOURCES})
 add_library(aom_encoder_app_util OBJECT ${AOM_ENCODER_APP_UTIL_SOURCES})
@@ -608,7 +817,7 @@
 target_link_libraries(twopass_encoder PUBLIC aom)
 
 if (CONFIG_LIBYUV)
-  add_library(yuv OBJECT ${AOM_LIBYUV_SRCS})
+  add_library(yuv OBJECT ${AOM_LIBYUV_SOURCES})
   target_compile_options(yuv PRIVATE -Wno-unused-parameter)
   include_directories("${AOM_ROOT}/third_party/libyuv/include")
 
@@ -626,7 +835,7 @@
 endif ()
 
 if (CONFIG_WEBM_IO)
-  add_library(webm OBJECT ${AOM_LIBWEBM_SRCS})
+  add_library(webm OBJECT ${AOM_LIBWEBM_SOURCES})
   include_directories("${AOM_ROOT}/third_party/libwebm")
   target_compile_options(webm PRIVATE -Wno-shadow)
 
diff --git a/build/cmake/aom_config.asm.cmake b/build/cmake/aom_config.asm.cmake
new file mode 100644
index 0000000..7aa2677
--- /dev/null
+++ b/build/cmake/aom_config.asm.cmake
@@ -0,0 +1,125 @@
+ARCH_ARM equ ${ARCH_ARM}
+ARCH_MIPS equ ${ARCH_MIPS}
+ARCH_X86 equ ${ARCH_X86}
+ARCH_X86_64 equ ${ARCH_X86_64}
+HAVE_EDSP equ ${HAVE_EDSP}
+HAVE_MEDIA equ ${HAVE_MEDIA}
+HAVE_NEON equ ${HAVE_NEON}
+HAVE_NEON_ASM equ ${HAVE_NEON_ASM}
+HAVE_MIPS32 equ ${HAVE_MIPS32}
+HAVE_DSPR2 equ ${HAVE_DSPR2}
+HAVE_MSA equ ${HAVE_MSA}
+HAVE_MIPS64 equ ${HAVE_MIPS64}
+HAVE_MMX equ ${HAVE_MMX}
+HAVE_SSE equ ${HAVE_SSE}
+HAVE_SSE2 equ ${HAVE_SSE2}
+HAVE_SSE3 equ ${HAVE_SSE3}
+HAVE_SSSE3 equ ${HAVE_SSSE3}
+HAVE_SSE4_1 equ ${HAVE_SSE4_1}
+HAVE_AVX equ ${HAVE_AVX}
+HAVE_AVX2 equ ${HAVE_AVX2}
+HAVE_AOM_PORTS equ ${HAVE_AOM_PORTS}
+HAVE_PTHREAD_H equ ${HAVE_PTHREAD_H}
+HAVE_UNISTD_H equ ${HAVE_UNISTD_H}
+CONFIG_DEPENDENCY_TRACKING equ ${CONFIG_DEPENDENCY_TRACKING}
+CONFIG_EXTERNAL_BUILD equ ${CONFIG_EXTERNAL_BUILD}
+CONFIG_INSTALL_DOCS equ ${CONFIG_INSTALL_DOCS}
+CONFIG_INSTALL_BINS equ ${CONFIG_INSTALL_BINS}
+CONFIG_INSTALL_LIBS equ ${CONFIG_INSTALL_LIBS}
+CONFIG_INSTALL_SRCS equ ${CONFIG_INSTALL_SRCS}
+CONFIG_DEBUG equ ${CONFIG_DEBUG}
+CONFIG_GPROF equ ${CONFIG_GPROF}
+CONFIG_GCOV equ ${CONFIG_GCOV}
+CONFIG_RVCT equ ${CONFIG_RVCT}
+CONFIG_GCC equ ${CONFIG_GCC}
+CONFIG_MSVS equ ${CONFIG_MSVS}
+CONFIG_PIC equ ${CONFIG_PIC}
+CONFIG_BIG_ENDIAN equ ${CONFIG_BIG_ENDIAN}
+CONFIG_CODEC_SRCS equ ${CONFIG_CODEC_SRCS}
+CONFIG_DEBUG_LIBS equ ${CONFIG_DEBUG_LIBS}
+CONFIG_DEQUANT_TOKENS equ ${CONFIG_DEQUANT_TOKENS}
+CONFIG_DC_RECON equ ${CONFIG_DC_RECON}
+CONFIG_RUNTIME_CPU_DETECT equ ${CONFIG_RUNTIME_CPU_DETECT}
+CONFIG_POSTPROC equ ${CONFIG_POSTPROC}
+CONFIG_AV1_POSTPROC equ ${CONFIG_AV1_POSTPROC}
+CONFIG_MULTITHREAD equ ${CONFIG_MULTITHREAD}
+CONFIG_INTERNAL_STATS equ ${CONFIG_INTERNAL_STATS}
+CONFIG_AV1_ENCODER equ ${CONFIG_AV1_ENCODER}
+CONFIG_AV1_DECODER equ ${CONFIG_AV1_DECODER}
+CONFIG_AV1 equ ${CONFIG_AV1}
+CONFIG_ENCODERS equ ${CONFIG_ENCODERS}
+CONFIG_DECODERS equ ${CONFIG_DECODERS}
+CONFIG_STATIC_MSVCRT equ ${CONFIG_STATIC_MSVCRT}
+CONFIG_SPATIAL_RESAMPLING equ ${CONFIG_SPATIAL_RESAMPLING}
+CONFIG_REALTIME_ONLY equ ${CONFIG_REALTIME_ONLY}
+CONFIG_ONTHEFLY_BITPACKING equ ${CONFIG_ONTHEFLY_BITPACKING}
+CONFIG_ERROR_CONCEALMENT equ ${CONFIG_ERROR_CONCEALMENT}
+CONFIG_SHARED equ ${CONFIG_SHARED}
+CONFIG_STATIC equ ${CONFIG_STATIC}
+CONFIG_SMALL equ ${CONFIG_SMALL}
+CONFIG_POSTPROC_VISUALIZER equ ${CONFIG_POSTPROC_VISUALIZER}
+CONFIG_OS_SUPPORT equ ${CONFIG_OS_SUPPORT}
+CONFIG_UNIT_TESTS equ ${CONFIG_UNIT_TESTS}
+CONFIG_WEBM_IO equ ${CONFIG_WEBM_IO}
+CONFIG_LIBYUV equ ${CONFIG_LIBYUV}
+CONFIG_ACCOUNTING equ ${CONFIG_ACCOUNTING}
+CONFIG_DECODE_PERF_TESTS equ ${CONFIG_DECODE_PERF_TESTS}
+CONFIG_ENCODE_PERF_TESTS equ ${CONFIG_ENCODE_PERF_TESTS}
+CONFIG_MULTI_RES_ENCODING equ ${CONFIG_MULTI_RES_ENCODING}
+CONFIG_TEMPORAL_DENOISING equ ${CONFIG_TEMPORAL_DENOISING}
+CONFIG_AV1_TEMPORAL_DENOISING equ ${CONFIG_AV1_TEMPORAL_DENOISING}
+CONFIG_COEFFICIENT_RANGE_CHECKING equ ${CONFIG_COEFFICIENT_RANGE_CHECKING}
+CONFIG_AOM_HIGHBITDEPTH equ ${CONFIG_AOM_HIGHBITDEPTH}
+CONFIG_BETTER_HW_COMPATIBILITY equ ${CONFIG_BETTER_HW_COMPATIBILITY}
+CONFIG_EXPERIMENTAL equ ${CONFIG_EXPERIMENTAL}
+CONFIG_SIZE_LIMIT equ ${CONFIG_SIZE_LIMIT}
+CONFIG_AOM_QM equ ${CONFIG_AOM_QM}
+CONFIG_FP_MB_STATS equ ${CONFIG_FP_MB_STATS}
+CONFIG_EMULATE_HARDWARE equ ${CONFIG_EMULATE_HARDWARE}
+CONFIG_CLPF equ ${CONFIG_CLPF}
+CONFIG_DERING equ ${CONFIG_DERING}
+CONFIG_VAR_TX equ ${CONFIG_VAR_TX}
+CONFIG_RECT_TX equ ${CONFIG_RECT_TX}
+CONFIG_REF_MV equ ${CONFIG_REF_MV}
+CONFIG_DUAL_FILTER equ ${CONFIG_DUAL_FILTER}
+CONFIG_EXT_TX equ ${CONFIG_EXT_TX}
+CONFIG_TX64X64 equ ${CONFIG_TX64X64}
+CONFIG_SUB8X8_MC equ ${CONFIG_SUB8X8_MC}
+CONFIG_EXT_INTRA equ ${CONFIG_EXT_INTRA}
+CONFIG_FILTER_INTRA equ ${CONFIG_FILTER_INTRA}
+CONFIG_EXT_INTER equ ${CONFIG_EXT_INTER}
+CONFIG_EXT_REFS equ ${CONFIG_EXT_REFS}
+CONFIG_GLOBAL_MOTION equ ${CONFIG_GLOBAL_MOTION}
+CONFIG_NEW_QUANT equ ${CONFIG_NEW_QUANT}
+CONFIG_SUPERTX equ ${CONFIG_SUPERTX}
+CONFIG_ANS equ ${CONFIG_ANS}
+CONFIG_EC_MULTISYMBOL equ ${CONFIG_EC_MULTISYMBOL}
+CONFIG_LOOP_RESTORATION equ ${CONFIG_LOOP_RESTORATION}
+CONFIG_EXT_PARTITION equ ${CONFIG_EXT_PARTITION}
+CONFIG_EXT_PARTITION_TYPES equ ${CONFIG_EXT_PARTITION_TYPES}
+CONFIG_UNPOISON_PARTITION_CTX equ ${CONFIG_UNPOISON_PARTITION_CTX}
+CONFIG_EXT_TILE equ ${CONFIG_EXT_TILE}
+CONFIG_MOTION_VAR equ ${CONFIG_MOTION_VAR}
+CONFIG_WARPED_MOTION equ ${CONFIG_WARPED_MOTION}
+CONFIG_ENTROPY equ ${CONFIG_ENTROPY}
+CONFIG_BIDIR_PRED equ ${CONFIG_BIDIR_PRED}
+CONFIG_BITSTREAM_DEBUG equ ${CONFIG_BITSTREAM_DEBUG}
+CONFIG_ALT_INTRA equ ${CONFIG_ALT_INTRA}
+CONFIG_PALETTE equ ${CONFIG_PALETTE}
+CONFIG_DAALA_EC equ ${CONFIG_DAALA_EC}
+CONFIG_PVQ equ ${CONFIG_PVQ}
+CONFIG_CB4X4 equ ${CONFIG_CB4X4}
+CONFIG_FRAME_SIZE equ ${CONFIG_FRAME_SIZE}
+CONFIG_DELTA_Q equ ${CONFIG_DELTA_Q}
+CONFIG_ADAPT_SCAN equ ${CONFIG_ADAPT_SCAN}
+CONFIG_FILTER_7BIT equ ${CONFIG_FILTER_7BIT}
+CONFIG_PARALLEL_DEBLOCKING equ ${CONFIG_PARALLEL_DEBLOCKING}
+CONFIG_TILE_GROUPS equ ${CONFIG_TILE_GROUPS}
+CONFIG_EC_ADAPT equ ${CONFIG_EC_ADAPT}
+CONFIG_SIMP_MV_PRED equ ${CONFIG_SIMP_MV_PRED}
+CONFIG_RD_DEBUG equ ${CONFIG_RD_DEBUG}
+CONFIG_REFERENCE_BUFFER equ ${CONFIG_REFERENCE_BUFFER}
+CONFIG_COEF_INTERLEAVE equ ${CONFIG_COEF_INTERLEAVE}
+CONFIG_ENTROPY_STATS equ ${CONFIG_ENTROPY_STATS}
+CONFIG_MASKED_TX equ ${CONFIG_MASKED_TX}
+CONFIG_DAALA_DIST equ ${CONFIG_DAALA_DIST}
diff --git a/build/cmake/aom_configure.cmake b/build/cmake/aom_configure.cmake
index 4631cfb..62a4708 100644
--- a/build/cmake/aom_configure.cmake
+++ b/build/cmake/aom_configure.cmake
@@ -13,11 +13,27 @@
 include("${AOM_ROOT}/build/cmake/aom_config_defaults.cmake")
 include("${AOM_ROOT}/build/cmake/compiler_flags.cmake")
 include("${AOM_ROOT}/build/cmake/compiler_tests.cmake")
-include("${AOM_ROOT}/build/cmake/targets/${AOM_TARGET}.cmake")
 
-# TODO(tomfinegan): For some ${AOM_TARGET} values a toolchain can be
-# inferred, and we could include it here instead of forcing users to
-# remember to explicitly specify ${AOM_TARGET} and the cmake toolchain.
+# Detect target CPU.
+if (NOT AOM_TARGET_CPU)
+  # TODO(tomfinegan): This will not work for a cross compile. Target CPU and
+  # system will have to come from a toolchain file or the cmake command line.
+  set(AOM_TARGET_CPU ${CMAKE_SYSTEM_PROCESSOR})
+  set(AOM_TARGET_SYSTEM ${CMAKE_SYSTEM_NAME})
+  if (NOT EXISTS "${AOM_ROOT}/build/cmake/targets/${AOM_TARGET_CPU}.cmake")
+    message("No RTCD template for ${AOM_TARGET_CPU}, using generic.")
+    set(AOM_TARGET_CPU "generic")
+  endif ()
+  if (NOT AOM_TARGET_CPU STREQUAL "generic")
+    find_program(YASM_EXECUTABLE yasm $ENV{YASM_PATH})
+    if (NOT YASM_EXECUTABLE)
+      message(WARNING "Unable to find yasm, using generic as target CPU.")
+      set(AOM_TARGET_CPU "generic")
+    endif ()
+  endif ()
+endif ()
+
+include("${AOM_ROOT}/build/cmake/targets/${AOM_TARGET_CPU}.cmake")
 
 include(FindGit)
 include(FindPerl)
@@ -76,6 +92,8 @@
 # values require special casing).
 configure_file("${AOM_ROOT}/build/cmake/aom_config.h.cmake"
                "${AOM_CONFIG_DIR}/aom_config.h")
+configure_file("${AOM_ROOT}/build/cmake/aom_config.asm.cmake"
+               "${AOM_CONFIG_DIR}/aom_config.asm")
 
 # Read the current git hash.
 find_package(Git)
@@ -145,10 +163,11 @@
 
 macro(AomAddRtcdGenerationCommand config output source symbol)
   add_custom_command(OUTPUT ${output}
-                     COMMAND ${PERL_EXECUTABLE} "${AOM_ROOT}/build/make/rtcd.pl"
-                             --arch=${AOM_ARCH} --sym=${symbol}
-                             --config=${AOM_CONFIG_DIR}/${AOM_ARCH}.rtcd
-                             ${config} > ${output}
+                     COMMAND ${PERL_EXECUTABLE}
+                     ARGS "${AOM_ROOT}/build/make/rtcd.pl"
+                          --arch=${AOM_ARCH} --sym=${symbol}
+                          --config=${AOM_CONFIG_DIR}/${AOM_ARCH}.rtcd
+                          ${config} > ${output}
                      DEPENDS ${config}
                      COMMENT "Generating ${output}"
                      WORKING_DIRECTORY ${AOM_CONFIG_DIR}
diff --git a/build/cmake/aom_optimization.cmake b/build/cmake/aom_optimization.cmake
new file mode 100644
index 0000000..7bbc421
--- /dev/null
+++ b/build/cmake/aom_optimization.cmake
@@ -0,0 +1,71 @@
+##
+## Copyright (c) 2017, Alliance for Open Media. All rights reserved
+##
+## This source code is subject to the terms of the BSD 2 Clause License and
+## the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
+## was not distributed with this source code in the LICENSE file, you can
+## obtain it at www.aomedia.org/license/software. If the Alliance for Open
+## Media Patent License 1.0 was not distributed with this source code in the
+## PATENTS file, you can obtain it at www.aomedia.org/license/patent.
+##
+
+# Adds an object library target. Terminates generation if $flag is not supported
+# by the current compiler. $flag is the intrinsics flag required by the current
+# compiler, and is added to the compile flags for all sources in $sources.
+# $opt_name is used to name the target. $target_to_update is made
+# dependent upon the created target.
+#
+# Note: the libaom target is always updated because OBJECT libraries have rules
+# that disallow the direct addition of .o files to them as dependencies. Static
+# libraries do not have this limitation.
+function (add_intrinsics_object_library flag opt_name target_to_update sources)
+  if (MSVC)
+    message(FATAL_ERROR "MSVC instrinics support not implemented.")
+  endif ()
+  set(target_name ${target_to_update}_${opt_name}_intrinsics)
+  add_library(${target_name} OBJECT ${${sources}})
+  target_compile_options(${target_name} PUBLIC ${flag})
+  target_sources(aom PUBLIC $<TARGET_OBJECTS:${target_name}>)
+endfunction ()
+
+# Adds build commands for ASM files in $sources and uses $asm_build_name to
+# build an output directory path. Adds ASM objects to libaom directly. $sources
+# must be the name of a variable containing a list of sources.
+#
+# Note: the libaom target is always updated because OBJECT libraries have rules
+# that disallow the direct addition of .o files to them as dependencies. Static
+# libraries do not have this limitation.
+function (add_asm_build asm_build_name sources)
+  set(AOM_ASM_OBJECTS_DIR "${AOM_CONFIG_DIR}/asm_objects/${asm_build_name}")
+  if (NOT EXISTS "${AOM_ASM_OBJECTS_DIR}")
+    file(MAKE_DIRECTORY "${AOM_ASM_OBJECTS_DIR}")
+  endif ()
+
+  # TODO(tomfinegan): This might get rather lengthy; probably best to move it
+  # out into its own function or macro.
+  if ("${AOM_TARGET_CPU}" STREQUAL "x86_64" AND
+      "${AOM_TARGET_SYSTEM}" STREQUAL "Darwin")
+    set(objformat "macho64")
+  elseif ("${AOM_TARGET_CPU}" STREQUAL "x86_64" AND
+      "${AOM_TARGET_SYSTEM}" STREQUAL "Linux")
+    set(objformat "elf64")
+  else ()
+    message(FATAL_ERROR
+            "Unknown obj format: ${AOM_TARGET_CPU}-${AOM_TARGET_SYSTEM}")
+  endif ()
+
+  foreach (asm_source ${${sources}})
+    get_filename_component(asm_source_name "${asm_source}" NAME)
+    set(asm_object "${AOM_ASM_OBJECTS_DIR}/${asm_source_name}.o")
+    add_custom_command(OUTPUT "${asm_object}"
+                       COMMAND ${YASM_EXECUTABLE}
+                       ARGS -f ${objformat}
+                            -I${AOM_ROOT} -I${AOM_CONFIG_DIR}
+                            -o "${asm_object}" "${asm_source}"
+                       DEPENDS "${asm_source}"
+                       COMMENT "Building ASM object ${asm_object}"
+                       WORKING_DIRECTORY "${AOM_CONFIG_DIR}"
+                       VERBATIM)
+    target_sources(aom PUBLIC "${asm_source}" "${asm_object}")
+  endforeach ()
+endfunction ()
diff --git a/build/cmake/compiler_tests.cmake b/build/cmake/compiler_tests.cmake
index 55a8bed..3ba9497 100644
--- a/build/cmake/compiler_tests.cmake
+++ b/build/cmake/compiler_tests.cmake
@@ -23,6 +23,10 @@
 set(AOM_CXX_PASSED_TESTS)
 set(AOM_CXX_FAILED_TESTS)
 
+# TODO(tomfinegan): Rename the functions in here to_be_of_this_format to match
+# other custom CMake commands (from CMake built in plugins and other cmake code
+# in AOM).
+
 # Confirms $test_source compiles and stores $test_name in one of
 # $AOM_C_PASSED_TESTS or $AOM_C_FAILED_TESTS depending on out come. When the
 # test passes $result_var is set to 1. When it fails $result_var is unset.
diff --git a/build/cmake/targets/generic.cmake b/build/cmake/targets/generic.cmake
index e0e7176..e71bf18 100644
--- a/build/cmake/targets/generic.cmake
+++ b/build/cmake/targets/generic.cmake
@@ -8,8 +8,6 @@
 ## Media Patent License 1.0 was not distributed with this source code in the
 ## PATENTS file, you can obtain it at www.aomedia.org/license/patent.
 ##
-cmake_minimum_required(VERSION 3.2)
-
 set(AOM_ARCH "generic")
 
 # TODO(tomfinegan): These must not be hard coded. They must be set based on
@@ -17,7 +15,6 @@
 set(RTCD_CONFIG_AV1 "yes")
 set(RTCD_CONFIG_AV1_DECODER "yes")
 set(RTCD_CONFIG_AV1_ENCODER "yes")
-set(RTCD_CONFIG_DEPENDENCY_TRACKING "yes")
 set(RTCD_CONFIG_INSTALL_BINS "yes")
 set(RTCD_CONFIG_INSTALL_LIBS "yes")
 set(RTCD_CONFIG_GCC "yes")
diff --git a/build/cmake/targets/rtcd_templates/generic.rtcd.cmake b/build/cmake/targets/rtcd_templates/generic.rtcd.cmake
index 6dbef88..2562976 100644
--- a/build/cmake/targets/rtcd_templates/generic.rtcd.cmake
+++ b/build/cmake/targets/rtcd_templates/generic.rtcd.cmake
@@ -11,7 +11,6 @@
 CONFIG_AV1=${RTCD_CONFIG_AV1}
 CONFIG_AV1_DECODER=${RTCD_CONFIG_AV1_DECODER}
 CONFIG_AV1_ENCODER=${RTCD_CONFIG_AV1_ENCODER}
-CONFIG_DEPENDENCY_TRACKING=${RTCD_CONFIG_DEPENDENCY_TRACKING}
 CONFIG_INSTALL_BINS=${RTCD_CONFIG_INSTALL_BINS}
 CONFIG_INSTALL_LIBS=${RTCD_CONFIG_INSTALL_LIBS}
 CONFIG_GCC=${RTCD_CONFIG_GCC}
diff --git a/build/cmake/targets/rtcd_templates/x86_64.rtcd.cmake b/build/cmake/targets/rtcd_templates/x86_64.rtcd.cmake
new file mode 100644
index 0000000..7665506
--- /dev/null
+++ b/build/cmake/targets/rtcd_templates/x86_64.rtcd.cmake
@@ -0,0 +1,35 @@
+##
+## Copyright (c) 2017, Alliance for Open Media. All rights reserved
+##
+## This source code is subject to the terms of the BSD 2 Clause License and
+## the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
+## was not distributed with this source code in the LICENSE file, you can
+## obtain it at www.aomedia.org/license/software. If the Alliance for Open
+## Media Patent License 1.0 was not distributed with this source code in the
+## PATENTS file, you can obtain it at www.aomedia.org/license/patent.
+##
+HAVE_MMX=${RTCD_HAVE_MMX}
+HAVE_SSE=${RTCD_HAVE_SSE}
+HAVE_SSE2=${RTCD_HAVE_SSE2}
+HAVE_SSE3=${RTCD_HAVE_SSE3}
+HAVE_SSSE3=${RTCD_HAVE_SSSE3}
+HAVE_SSE4_1=${RTCD_HAVE_SSE4_1}
+HAVE_AVX=${RTCD_HAVE_AVX}
+HAVE_AVX2=${RTCD_HAVE_AVX2}
+
+CONFIG_AV1=${RTCD_CONFIG_AV1}
+CONFIG_AV1_DECODER=${RTCD_CONFIG_AV1_DECODER}
+CONFIG_AV1_ENCODER=${RTCD_CONFIG_AV1_ENCODER}
+CONFIG_INSTALL_BINS=${RTCD_CONFIG_INSTALL_BINS}
+CONFIG_INSTALL_LIBS=${RTCD_CONFIG_INSTALL_LIBS}
+CONFIG_GCC=${RTCD_CONFIG_GCC}
+CONFIG_MULTITHREAD=${RTCD_CONFIG_MULTITHREAD}
+CONFIG_AV1_ENCODER=${RTCD_CONFIG_AV1_ENCODER}
+CONFIG_AV1_DECODER=${RTCD_CONFIG_AV1_DECODER}
+CONFIG_AV1=${RTCD_CONFIG_AV1}
+CONFIG_ENCODERS=${RTCD_CONFIG_ENCODERS}
+CONFIG_DECODERS=${RTCD_CONFIG_DECODERS}
+CONFIG_SPATIAL_RESAMPLING=${RTCD_CONFIG_SPATIAL_RESAMPLING}
+CONFIG_STATIC=${RTCD_CONFIG_STATIC}
+CONFIG_OS_SUPPORT=${RTCD_CONFIG_OS_SUPPORT}
+CONFIG_TEMPORAL_DENOISING=${RTCD_CONFIG_TEMPORAL_DENOISING}
diff --git a/build/cmake/targets/x86_64.cmake b/build/cmake/targets/x86_64.cmake
new file mode 100644
index 0000000..cfffb4d
--- /dev/null
+++ b/build/cmake/targets/x86_64.cmake
@@ -0,0 +1,51 @@
+##
+## Copyright (c) 2017, Alliance for Open Media. All rights reserved
+##
+## This source code is subject to the terms of the BSD 2 Clause License and
+## the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
+## was not distributed with this source code in the LICENSE file, you can
+## obtain it at www.aomedia.org/license/software. If the Alliance for Open
+## Media Patent License 1.0 was not distributed with this source code in the
+## PATENTS file, you can obtain it at www.aomedia.org/license/patent.
+##
+set(AOM_ARCH "x86_64")
+set(ARCH_X86_64 1)
+
+# Assembly flavors available for the target.
+set(HAVE_MMX 1)
+set(HAVE_SSE 1)
+set(HAVE_SSE2 1)
+set(HAVE_SSE3 1)
+set(HAVE_SSSE3 1)
+set(HAVE_SSE4_1 1)
+set(HAVE_AVX 1)
+set(HAVE_AVX2 1)
+
+# RTCD versions of assembly flavor flags ("yes" means on in rtcd.pl, not 1).
+set(RTCD_HAVE_MMX "yes")
+set(RTCD_HAVE_SSE "yes")
+set(RTCD_HAVE_SSE2 "yes")
+set(RTCD_HAVE_SSE3 "yes")
+set(RTCD_HAVE_SSSE3 "yes")
+set(RTCD_HAVE_SSE4_1 "yes")
+set(RTCD_HAVE_AVX "yes")
+set(RTCD_HAVE_AVX2 "yes")
+
+# TODO(tomfinegan): These must not be hard coded. They must be set based on
+# the values of the externally configurable vars that omit the RTCD_ prefix.
+set(RTCD_CONFIG_AV1 "yes")
+set(RTCD_CONFIG_AV1_DECODER "yes")
+set(RTCD_CONFIG_AV1_ENCODER "yes")
+set(RTCD_CONFIG_INSTALL_BINS "yes")
+set(RTCD_CONFIG_INSTALL_LIBS "yes")
+set(RTCD_CONFIG_GCC "yes")
+set(RTCD_CONFIG_MULTITHREAD "yes")
+set(RTCD_CONFIG_AV1_ENCODER "yes")
+set(RTCD_CONFIG_AV1_DECODER "yes")
+set(RTCD_CONFIG_AV1 "yes")
+set(RTCD_CONFIG_ENCODERS "yes")
+set(RTCD_CONFIG_DECODERS "yes")
+set(RTCD_CONFIG_SPATIAL_RESAMPLING "yes")
+set(RTCD_CONFIG_STATIC "yes")
+set(RTCD_CONFIG_OS_SUPPORT "yes")
+set(RTCD_CONFIG_TEMPORAL_DENOISING "yes")