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| author | J.W <jakwings@gmail.com> | 2017-06-01 17:00:48 +0800 |
|---|---|---|
| committer | J.W <jakwings@gmail.com> | 2017-06-01 17:00:48 +0800 |
| commit | 4a23d6da82fc1e0c13cde5a65ea0821fac6c511e (patch) | |
| tree | fc7a83b24290974b9195b93554e9eef6d59aace7 | |
| parent | d93f1b67f3aaa2d56bf20089c0ce9ef216da6cb7 (diff) | |
| download | marisa-trie-4a23d6da82fc1e0c13cde5a65ea0821fac6c511e.tar.gz | |
Add configure option --enable-native-code
This option also enables all available SSE instructions.
| -rw-r--r-- | configure.ac | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac index a306972..81cf19a 100644 --- a/configure.ac +++ b/configure.ac @@ -63,6 +63,27 @@ yes #endif ], [enable_popcnt="yes"], [enable_popcnt="no"])]) +# Enable native cpu instructions. +AC_MSG_CHECKING([whether to enable optimization for native cpu]) +AC_ARG_ENABLE([native-code], + [AS_HELP_STRING([--enable-native-code], + [generate instructions for native cpu [default=no]])], + [], + [enable_native_code="no"]) +AS_IF([test "x${enable_native_code}" != "xno"], [ + CFLAGS="$CPPFLAGS -march=native" + CPPFLAGS="$CPPFLAGS -march=native" + CXXFLAGS="$CXXFLAGS -march=native" + MARISA_ENABLE_SSE2 + MARISA_ENABLE_SSE3 + MARISA_ENABLE_SSE4_1 + MARISA_ENABLE_SSE4_2 + MARISA_ENABLE_SSE4 + MARISA_ENABLE_SSE4A + MARISA_ENABLE_POPCNT +]) +AC_MSG_RESULT([${enable_native_code}]) + # Checks for SSE availability. AC_MSG_CHECKING([whether to use SSE2]) AC_ARG_ENABLE([sse2], |