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Fixed poor checking for ARM NEON

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This commit is contained in:
Steve Underwood 2014-01-17 23:16:23 +08:00
parent 9480f41728
commit 63136410ad
1 changed files with 6 additions and 3 deletions
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9
libs/spandsp/m4/ax_check_arm_neon.m4
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@ -20,8 +20,8 @@ ac_cv_symbol_arm_neon="no"
case "${ax_cv_c_compiler_vendor}" in
gnu)
save_CFLAGS="${CFLAGS}"
CFLAGS="${CFLAGS} -mfpu=neon"
AC_COMPILE_IFELSE(
CFLAGS="${CFLAGS} -mfpu=neon -mfloat-abi=hard"
AC_RUN_IFELSE(
[AC_LANG_PROGRAM(
[
#include <inttypes.h>
@ -33,7 +33,7 @@ gnu)
}
],
[
int32x4_t z;
volatile int32x4_t z;
int16_t x[[8]];
int16_t y[[8]];
z = testfunc(x, y);
@ -45,6 +45,9 @@ gnu)
COMP_VENDOR_CXXFLAGS="-mfpu=neon $COMP_VENDOR_CXXFLAGS"
ac_cv_symbol_arm_neon="yes"],
[AC_MSG_RESULT([no])],
dnl Assume "no" if cross-compiling
[AC_MSG_RESULT([no])]
)
CFLAGS="${save_CFLAGS}"