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| author | Ali Saidi <alisaidi@amazon.com> | 2020-08-19 00:13:28 -0500 |
|---|---|---|
| committer | dormando <dormando@rydia.net> | 2020-10-27 17:54:21 -0700 |
| commit | 9bb323ca3447421ee30ef26d1e48896d2d80b742 (patch) | |
| tree | 85e42574ea1e877881d25ae35cdc1d4f6c754275 /configure.ac | |
| parent | eb1bc72b9497e2c0e77d66740dc3053b6855a89a (diff) | |
| download | memcached-9bb323ca3447421ee30ef26d1e48896d2d80b742.tar.gz | |
arm64: Re-add arm crc32c hw acceleration
Use the .arch_extension directive so that a config options and
special cflags aren't required. Add a few tests for both the
software and hardware implementations
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 13 |
1 files changed, 4 insertions, 9 deletions
diff --git a/configure.ac b/configure.ac index a7be211..a40b390 100644 --- a/configure.ac +++ b/configure.ac @@ -75,6 +75,10 @@ AS_IF([test "$ICC" = "yes" -o "$GCC" = "yes"], AS_IF(test "$CLANG" = "no",[CFLAGS="$CFLAGS -pthread"]) ]) +dnl clang will error .arch_extension crc32 assembler directives to allow +dnl assembling crc instructions without this +AS_IF(test "$CLANG" = "yes",[CFLAGS="$CFLAGS -Wno-language-extension-token"]) + if test "$ICC" = "no"; then AC_PROG_CC_C99 fi @@ -82,11 +86,6 @@ fi AM_PROG_CC_C_O AC_PROG_INSTALL -dnl ARM crc32 optimization is disabled until we have hardware for an automated -dnl regression test. -dnl AC_ARG_ENABLE(arm_crc32, -dnl [AS_HELP_STRING([--enable-arm-crc32], [Enable ARMv8 CRC32 instructions])]) - AC_ARG_ENABLE(extstore, [AS_HELP_STRING([--disable-extstore], [Disable external storage (extstore)])]) @@ -206,10 +205,6 @@ if test "x$enable_tls" = "xyes"; then AC_DEFINE([TLS],1,[Set to nonzero if you want to enable TLS]) fi -if test "x$enable_arm_crc32" = "xyes"; then - AC_DEFINE([ARM_CRC32],1,[Set to nonzero if you want to enable ARMv8 crc32]) -fi - if test "x$enable_asan" = "xyes"; then AC_DEFINE([ASAN],1,[Set to nonzero if you want to compile using ASAN]) fi |