more flexible intfilter config

This commit is contained in:
cathugger 2017-10-22 01:58:22 +00:00
parent f649eedb70
commit 5bc2b09504
3 changed files with 48 additions and 38 deletions

View file

@ -117,6 +117,44 @@ then
CFLAGS="$CFLAGS -msse2"
fi
AC_ARG_ENABLE([intfilter],
[AS_HELP_STRING([--enable-intfilter@<:@=(32|64|128|native)@:>@],
[use integers of specific size @<:@default=64@:>@ for filtering. faster but limits filter length to: 6 for 32-bit, 12 for 64-bit, 24 for 128-bit @<:@default=no@:>@])],
[], [enable_intfilter=no]
)
AC_ARG_ENABLE([intfilter32],
[AS_HELP_STRING([--enable-intfilter32], [deprecated. use --enable-intfilter=32 instead])],
[enable_intfilter=32]
[AC_MSG_WARN([--enable-intfilter32 option is deprecated. use --enable-intfilter=32 instead])],
[]
)
case "$enable_intfilter" in
32)
intfiltertype="u32"
;;
64|yes)
intfiltertype="u64"
;;
128)
intfiltertype="unsigned __int128"
;;
native)
intfiltertype="size_t"
;;
no)
intfiltertype=""
;;
*)
AC_MSG_WARN([unrecognised intfilter type: $enable_intfilter])
intfiltertype=""
;;
esac
if test -n "$intfiltertype"
then
MYDEFS="$MYDEFS -DINTFILTER -DIFT='$intfiltertype'"
fi
cstd=""
c99=""
oldcflags="$CFLAGS"
@ -135,7 +173,7 @@ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([])],
[cstd="$cstd -Wall"],
[AC_MSG_RESULT([no])]
)
if test "x$c99" = "xyes" -a "x$ed25519impl" != "xdonna"
if test "x$c99" = "xyes" -a "x$ed25519impl" != "xdonna" -a "x$enable_intfilter" != "x128"
then
CFLAGS="$cstd -Wpedantic"
AC_MSG_CHECKING([whether CC supports -Wpedantic])
@ -157,31 +195,6 @@ then
fi
CFLAGS="$oldcflags"
AC_ARG_ENABLE([intfilter],
[AS_HELP_STRING([--enable-intfilter],
[use 64-bit integers for filtering. faster but limits filter length to 12 @<:@default=no@:>@])],
[], [enable_intfilter=no]
)
AC_ARG_ENABLE([intfilter32],
[AS_HELP_STRING([--enable-intfilter32],
[use 32-bit integers for filtering. even faster on 32-bit machines but limits filter length to 6 @<:@default=no@:>@])],
[], [enable_intfilter32=no]
)
if test "x$enable_intfilter32" = "xyes"
then
if test "x$enable_intfilter" = "xyes"
then
AC_MSG_WARN([both intfilter and intfilter32 specified; using intfilter32])
fi
MYDEFS="$MYDEFS -DINTFILTER -DIFT=u32"
else
if test "x$enable_intfilter" = "xyes"
then
MYDEFS="$MYDEFS -DINTFILTER"
fi
fi
AC_ARG_ENABLE([binfilterlen],
[AS_HELP_STRING([--enable-binfilterlen=VAL],
[set binary string filter length (if you don't use intfilter) @<:@default=32@:>@])],

3
main.c
View file

@ -76,9 +76,6 @@ struct binfilter {
} ;
#ifdef INTFILTER
#ifndef IFT
#define IFT u64
#endif
struct intfilter {
IFT f;
#ifndef BINSEARCH

18
types.h
View file

@ -1,16 +1,16 @@
#define U64_MAX UINT64_MAX
#define I64_MIN INT64_MIN
#define I64_MAX INT64_MAX
#define U32_MAX UINT32_MAX
#define I32_MIN INT32_MIN
#define I32_MAX INT32_MAX
#define U16_MAX UINT16_MAX
#define I16_MIN INT16_MIN
#define I16_MAX INT16_MAX
#define U8_MAX UINT8_MAX
#define I8_MIN INT8_MIN
#define I8_MAX INT8_MAX
#define U16_MAX UINT16_MAX
#define I16_MIN INT16_MIN
#define I16_MAX INT16_MAX
#define U32_MAX UINT32_MAX
#define I32_MIN INT32_MIN
#define I32_MAX INT32_MAX
#define U64_MAX UINT64_MAX
#define I64_MIN INT64_MIN
#define I64_MAX INT64_MAX
typedef uint8_t u8;
typedef int8_t i8;