cmake: convert x86* variants to x86 and x86_64

This should reduce the number of checks for other variants like
AMD64, amd64, etc.

Signed-off-by: Christopher Degawa <ccom@randomderp.com>

Author: 1480c1

CMakeLists.txt

@@ -65,10 +65,12 @@ ELSE()
   SET(IS_APPLE_OS FALSE)
 ENDIF()
 
-# -- [ Determine target processor
+# -- [ Determine target processor, canonicalize for x86 variants.
 SET(CPUINFO_TARGET_PROCESSOR "${CMAKE_SYSTEM_PROCESSOR}")
-IF(CMAKE_SYSTEM_NAME MATCHES "FreeBSD" AND CPUINFO_TARGET_PROCESSOR STREQUAL "amd64")
-  SET(CPUINFO_TARGET_PROCESSOR "AMD64")
+IF(CPUINFO_TARGET_PROCESSOR MATCHES "^i[3-6]86$")
+  SET(CPUINFO_TARGET_PROCESSOR "x86")
+ELSEIF(CPUINFO_TARGET_PROCESSOR MATCHES "^(AMD|amd)64$")
+  SET(CPUINFO_TARGET_PROCESSOR "x86_64")
 ENDIF()
 IF(IS_APPLE_OS AND CMAKE_OSX_ARCHITECTURES MATCHES "^(x86_64|arm64.*)$")
   SET(CPUINFO_TARGET_PROCESSOR "${CMAKE_OSX_ARCHITECTURES}")
@@ -95,7 +97,7 @@ IF(NOT CMAKE_SYSTEM_PROCESSOR)
       "cpuinfo will compile, but cpuinfo_initialize() will always fail.")
     SET(CPUINFO_SUPPORTED_PLATFORM FALSE)
   ENDIF()
-ELSEIF(NOT CPUINFO_TARGET_PROCESSOR MATCHES "^(i[3-6]86|AMD64|x86(_64)?|armv[5-8].*|aarch64|arm64.*|ARM64.*|riscv(32|64))$")
+ELSEIF(NOT CPUINFO_TARGET_PROCESSOR MATCHES "^(x86(_64)?|armv[5-8].*|aarch64|arm64.*|ARM64.*|riscv(32|64))$")
   MESSAGE(WARNING
     "Target processor architecture \"${CPUINFO_TARGET_PROCESSOR}\" is not supported in cpuinfo. "
     "cpuinfo will compile, but cpuinfo_initialize() will always fail.")
@@ -161,7 +163,7 @@ ENDIF()
 SET(CPUINFO_SRCS src/api.c src/cache.c src/init.c src/log.c)
 
 IF(CPUINFO_SUPPORTED_PLATFORM)
-  IF(NOT CMAKE_SYSTEM_NAME STREQUAL "Emscripten" AND (CPUINFO_TARGET_PROCESSOR MATCHES "^(i[3-6]86|AMD64|x86(_64)?)$" OR IOS_ARCH MATCHES "^(i386|x86_64)$"))
+  IF(NOT CMAKE_SYSTEM_NAME STREQUAL "Emscripten" AND (CPUINFO_TARGET_PROCESSOR MATCHES "^x86(_64)?$" OR IOS_ARCH MATCHES "^(i386|x86_64)$"))
     LIST(APPEND CPUINFO_SRCS
       src/x86/init.c
       src/x86/info.c
@@ -374,7 +376,7 @@ ENDIF()
 # ---[ cpuinfo mock library and mock tests
 IF(CPUINFO_SUPPORTED_PLATFORM AND CPUINFO_BUILD_MOCK_TESTS)
   SET(CPUINFO_MOCK_SRCS "${CPUINFO_SRCS}")
-  IF(CPUINFO_TARGET_PROCESSOR MATCHES "^(i[3-6]86|AMD64|x86(_64)?)$")
+  IF(CPUINFO_TARGET_PROCESSOR MATCHES "^x86(_64)?$")
     LIST(APPEND CPUINFO_MOCK_SRCS src/x86/mockcpuid.c)
   ENDIF()
   IF(CMAKE_SYSTEM_NAME STREQUAL "Linux" OR CMAKE_SYSTEM_NAME STREQUAL "Android")
@@ -823,7 +825,7 @@ IF(CPUINFO_SUPPORTED_PLATFORM AND CPUINFO_BUILD_UNIT_TESTS)
     ADD_TEST(NAME get-current-test COMMAND get-current-test)
   ENDIF()
 
-  IF(CPUINFO_TARGET_PROCESSOR MATCHES "^(i[3-6]86|AMD64|x86(_64)?)$")
+  IF(CPUINFO_TARGET_PROCESSOR MATCHES "^x86(_64)?$")
     ADD_EXECUTABLE(brand-string-test test/name/brand-string.cc)
     CPUINFO_TARGET_ENABLE_CXX11(brand-string-test)
     CPUINFO_TARGET_RUNTIME_LIBRARY(brand-string-test)
@@ -890,7 +892,7 @@ IF(CPUINFO_SUPPORTED_PLATFORM AND CPUINFO_BUILD_TOOLS)
     CPUINFO_TARGET_RUNTIME_LIBRARY(cpuinfo-dump)
   ENDIF()
 
-  IF(CPUINFO_TARGET_PROCESSOR MATCHES "^(i[3-6]86|AMD64|x86(_64)?)$")
+  IF(CPUINFO_TARGET_PROCESSOR MATCHES "^x86(_64)?$")
     ADD_EXECUTABLE(cpuid-dump tools/cpuid-dump.c)
     CPUINFO_TARGET_ENABLE_C99(cpuid-dump)
     CPUINFO_TARGET_RUNTIME_LIBRARY(cpuid-dump)