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autotools: detect ASIMD only when in 64-bit #5663

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merged 1 commit into from
Feb 10, 2025
Merged

autotools: detect ASIMD only when in 64-bit #5663

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48 changes: 26 additions & 22 deletions src/configure
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -9430,10 +9430,11 @@ rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
conftest.$ac_objext conftest.beam conftest.$ac_ext
fi

CC="$CC_BACKUP -march=armv8-a+simd"
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for ASIMD" >&5
if test "$CPU_BIT_STR" -eq 64; then
CC="$CC_BACKUP -march=armv8-a+simd"
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for ASIMD" >&5
$as_echo_n "checking for ASIMD... " >&6; }
if test "$cross_compiling" = yes; then :
if test "$cross_compiling" = yes; then :
{ { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
as_fn_error $? "cannot run test program while cross compiling
Expand All @@ -9442,30 +9443,31 @@ else
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */

#include <arm_neon.h>
#include <stdio.h>
extern void exit(int);
int main(){uint32x4_t t;*((long*)&t)=1;t=veorq_u32(t,t);if((*(unsigned*)&t)==88)printf(".");exit(0);}
#include <arm_neon.h>
#include <stdio.h>
extern void exit(int);
int main(){uint32x4_t t;*((long*)&t)=1;t=veorq_u32(t,t);if((*(unsigned*)&t)==88)printf(".");exit(0);}


_ACEOF
if ac_fn_c_try_run "$LINENO"; then :
CPU_BEST_FLAGS="-march=armv8-a+simd"
SIMD_NAME="ASIMD"
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
SIMD_NAME="ASIMD"
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
$as_echo "yes" >&6; }
ARCH_LINK=arm64le.h
ARCH_LINK=arm64le.h

else
CPU_NOTFOUND="1"
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
$as_echo "no" >&6; }

fi
rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
conftest.$ac_objext conftest.beam conftest.$ac_ext
fi

fi
else
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for NEON" >&5
$as_echo_n "checking for NEON... " >&6; }
Expand Down Expand Up @@ -9494,34 +9496,36 @@ $as_echo "no" >&6; }
fi
rm -f core conftest.err conftest.$ac_objext \
conftest$ac_exeext conftest.$ac_ext
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for ASIMD" >&5
if test "$CPU_BIT_STR" -eq 64; then
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for ASIMD" >&5
$as_echo_n "checking for ASIMD... " >&6; }
CC="$CC_BACKUP -march=armv8-a+simd"
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
CC="$CC_BACKUP -march=armv8-a+simd"
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */

#include <arm_neon.h>
#include <stdio.h>
extern void exit(int);
int main(){uint32x4_t t;*((long*)&t)=1;t=veorq_u32(t,t);if((*(unsigned*)&t)==88)printf(".");exit(0);}
#include <arm_neon.h>
#include <stdio.h>
extern void exit(int);
int main(){uint32x4_t t;*((long*)&t)=1;t=veorq_u32(t,t);if((*(unsigned*)&t)==88)printf(".");exit(0);}


_ACEOF
if ac_fn_c_try_link "$LINENO"; then :
CPU_BEST_FLAGS="-march=armv8-a+simd"
SIMD_NAME="ASIMD"
ARCH_LINK=arm64le.h
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
SIMD_NAME="ASIMD"
ARCH_LINK=arm64le.h
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
$as_echo "yes" >&6; }

else
CPU_NOTFOUND="1"
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
$as_echo "no" >&6; }

fi
rm -f core conftest.err conftest.$ac_objext \
conftest$ac_exeext conftest.$ac_ext
fi
fi
fi

Expand Down
72 changes: 38 additions & 34 deletions src/m4/jtr_arm_logic.m4
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Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -44,23 +44,25 @@ if test "x$enable_native_tests" = xyes; then
,[CPU_NOTFOUND="1"]
[AC_MSG_RESULT(no)]
)
CC="$CC_BACKUP -march=armv8-a+simd"
AC_MSG_CHECKING([for ASIMD])
AC_RUN_IFELSE(
[
AC_LANG_SOURCE(
[[#include <arm_neon.h>
#include <stdio.h>
extern void exit(int);
int main(){uint32x4_t t;*((long*)&t)=1;t=veorq_u32(t,t);if((*(unsigned*)&t)==88)printf(".");exit(0);}]]
)]
,[CPU_BEST_FLAGS="-march=armv8-a+simd"]
[SIMD_NAME="ASIMD"]
[AC_MSG_RESULT([yes])]
[ARCH_LINK=arm64le.h]
,[CPU_NOTFOUND="1"]
[AC_MSG_RESULT(no)]
)
if test "$CPU_BIT_STR" -eq 64; then
CC="$CC_BACKUP -march=armv8-a+simd"
AC_MSG_CHECKING([for ASIMD])
AC_RUN_IFELSE(
[
AC_LANG_SOURCE(
[[#include <arm_neon.h>
#include <stdio.h>
extern void exit(int);
int main(){uint32x4_t t;*((long*)&t)=1;t=veorq_u32(t,t);if((*(unsigned*)&t)==88)printf(".");exit(0);}]]
)]
,[CPU_BEST_FLAGS="-march=armv8-a+simd"]
[SIMD_NAME="ASIMD"]
[AC_MSG_RESULT([yes])]
[ARCH_LINK=arm64le.h]
,[CPU_NOTFOUND="1"]
[AC_MSG_RESULT(no)]
)
fi
else
dnl ======================================================================
dnl cross-compile versions of the same tests
Expand All @@ -81,23 +83,25 @@ dnl ======================================================================
,[CPU_NOTFOUND="1"]
[AC_MSG_RESULT(no)]
)
AC_MSG_CHECKING([for ASIMD])
CC="$CC_BACKUP -march=armv8-a+simd"
AC_LINK_IFELSE(
[
AC_LANG_SOURCE(
[[#include <arm_neon.h>
#include <stdio.h>
extern void exit(int);
int main(){uint32x4_t t;*((long*)&t)=1;t=veorq_u32(t,t);if((*(unsigned*)&t)==88)printf(".");exit(0);}]]
)]
,[CPU_BEST_FLAGS="-march=armv8-a+simd"]
[SIMD_NAME="ASIMD"]
[ARCH_LINK=arm64le.h]
[AC_MSG_RESULT([yes])]
,[CPU_NOTFOUND="1"]
[AC_MSG_RESULT(no)]
)
if test "$CPU_BIT_STR" -eq 64; then
AC_MSG_CHECKING([for ASIMD])
CC="$CC_BACKUP -march=armv8-a+simd"
AC_LINK_IFELSE(
[
AC_LANG_SOURCE(
[[#include <arm_neon.h>
#include <stdio.h>
extern void exit(int);
int main(){uint32x4_t t;*((long*)&t)=1;t=veorq_u32(t,t);if((*(unsigned*)&t)==88)printf(".");exit(0);}]]
)]
,[CPU_BEST_FLAGS="-march=armv8-a+simd"]
[SIMD_NAME="ASIMD"]
[ARCH_LINK=arm64le.h]
[AC_MSG_RESULT([yes])]
,[CPU_NOTFOUND="1"]
[AC_MSG_RESULT(no)]
)
fi
fi
fi

Expand Down