Use autoconf macro for testing compiler options with empty input.
This commit is contained in:
Joseph Myers
parent
1a4ac776eb
commit
40b601fbb7
12
ChangeLog
12
ChangeLog
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@ -1,5 +1,17 @@
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2012-03-21 Joseph Myers <joseph@codesourcery.com>
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* aclocal.m4 (LIBC_TRY_CC_OPTION): New macro.
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* configure.in (libc_cv_cc_submachine): Use LIBC_TRY_CC_OPTION.
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* configure: Regenerated.
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* sysdeps/i386/configure.in (libc_cv_cc_sse4): Use
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LIBC_TRY_CC_OPTION.
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(libc_cv_as_i686): Likewise.
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(libc_cv_cc_avx): Likewise.
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(libc_cv_cc_sse2avx): Likewise.
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(libc_cv_cc_fma4): Likewise.
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(libc_cv_cc_novzeroupper): Likewise.
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* sysdeps/i386/configure: Regenerated.
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[BZ #13883]
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* sysdeps/i386/fpu/s_cexp.S: Remove.
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* sysdeps/i386/fpu/s_cexpf.S: Likewise.
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@ -128,6 +128,12 @@ AS_IF([AC_TRY_COMMAND([${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS -o conftest
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[$2], [$3])
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rm -f conftest*])
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dnl Test a compiler option or options with an empty input file.
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dnl LIBC_TRY_CC_OPTION([options], [action-if-true], [action-if-false])
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AC_DEFUN([LIBC_TRY_CC_OPTION],
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[AS_IF([AC_TRY_COMMAND([${CC-cc} $1 -xc /dev/null -S -o /dev/null])],
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[$2], [$3])])
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dnl Find and source sysdeps/*/preconfigure.
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dnl LIBC_PRECONFIGURE([$srcdir], [for])
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AC_DEFUN([LIBC_PRECONFIGURE], [dnl
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@ -7054,10 +7054,11 @@ else
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(eval $ac_try) 2>&5
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ac_status=$?
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$as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
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test $ac_status = 0; }; }; then
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test $ac_status = 0; }; }; then :
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libc_cv_cc_submachine="$opt"
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break
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fi
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fi
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done
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fi
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{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_cc_submachine" >&5
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@ -2005,10 +2005,9 @@ if test -n "$submachine"; then
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libc_cv_cc_submachine, [dnl
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libc_cv_cc_submachine=no
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for opt in "-march=$submachine" "-mcpu=$submachine"; do
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if AC_TRY_COMMAND([${CC-cc} $opt -xc /dev/null -S -o /dev/null]); then
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LIBC_TRY_CC_OPTION([$opt], [
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libc_cv_cc_submachine="$opt"
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break
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fi
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break], [])
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done])
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if test "x$libc_cv_cc_submachine" = xno; then
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AC_MSG_ERROR([${CC-cc} does not support $submachine])
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@ -223,11 +223,12 @@ else
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(eval $ac_try) 2>&5
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ac_status=$?
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$as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
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test $ac_status = 0; }; }; then
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test $ac_status = 0; }; }; then :
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libc_cv_cc_sse4=yes
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else
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libc_cv_cc_sse4=no
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fi
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fi
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{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_cc_sse4" >&5
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$as_echo "$libc_cv_cc_sse4" >&6; }
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@ -246,11 +247,12 @@ else
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(eval $ac_try) 2>&5
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ac_status=$?
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$as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
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test $ac_status = 0; }; }; then
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test $ac_status = 0; }; }; then :
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libc_cv_as_i686=yes
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else
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libc_cv_as_i686=no
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fi
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fi
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{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_as_i686" >&5
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$as_echo "$libc_cv_as_i686" >&6; }
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@ -265,11 +267,12 @@ else
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(eval $ac_try) 2>&5
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ac_status=$?
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$as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
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test $ac_status = 0; }; }; then
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test $ac_status = 0; }; }; then :
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libc_cv_cc_avx=yes
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else
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libc_cv_cc_avx=no
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fi
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fi
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{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_cc_avx" >&5
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$as_echo "$libc_cv_cc_avx" >&6; }
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@ -288,11 +291,12 @@ else
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(eval $ac_try) 2>&5
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ac_status=$?
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$as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
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test $ac_status = 0; }; }; then
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test $ac_status = 0; }; }; then :
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libc_cv_cc_sse2avx=yes
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else
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libc_cv_cc_sse2avx=no
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fi
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fi
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{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_cc_sse2avx" >&5
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$as_echo "$libc_cv_cc_sse2avx" >&6; }
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@ -311,11 +315,12 @@ else
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(eval $ac_try) 2>&5
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ac_status=$?
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$as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
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test $ac_status = 0; }; }; then
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test $ac_status = 0; }; }; then :
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libc_cv_cc_fma4=yes
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else
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libc_cv_cc_fma4=no
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fi
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fi
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{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_cc_fma4" >&5
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$as_echo "$libc_cv_cc_fma4" >&6; }
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@ -334,11 +339,12 @@ else
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(eval $ac_try) 2>&5
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ac_status=$?
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$as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
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test $ac_status = 0; }; }; then
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test $ac_status = 0; }; }; then :
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libc_cv_cc_novzeroupper=yes
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else
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libc_cv_cc_novzeroupper=no
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fi
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fi
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{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_cc_novzeroupper" >&5
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$as_echo "$libc_cv_cc_novzeroupper" >&6; }
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@ -40,60 +40,48 @@ fi
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dnl Check if -msse4 works.
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AC_CACHE_CHECK(for SSE4 support, libc_cv_cc_sse4, [dnl
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if AC_TRY_COMMAND([${CC-cc} -msse4 -xc /dev/null -S -o /dev/null]); then
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libc_cv_cc_sse4=yes
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else
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libc_cv_cc_sse4=no
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fi])
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LIBC_TRY_CC_OPTION([-msse4], [libc_cv_cc_sse4=yes], [libc_cv_cc_sse4=no])
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])
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if test $libc_cv_cc_sse4 = yes; then
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AC_DEFINE(HAVE_SSE4_SUPPORT)
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fi
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dnl Check if -Wa,-mtune=i686 works.
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AC_CACHE_CHECK(for assembler -mtune=i686 support, libc_cv_as_i686, [dnl
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if AC_TRY_COMMAND([${CC-cc} -Wa,-mtune=i686 -xc /dev/null -S -o /dev/null]); then
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libc_cv_as_i686=yes
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else
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libc_cv_as_i686=no
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fi])
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LIBC_TRY_CC_OPTION([-Wa,-mtune=i686],
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[libc_cv_as_i686=yes],
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[libc_cv_as_i686=no])
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])
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dnl Check if -mavx works.
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AC_CACHE_CHECK(for AVX support, libc_cv_cc_avx, [dnl
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if AC_TRY_COMMAND([${CC-cc} -mavx -xc /dev/null -S -o /dev/null]); then
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libc_cv_cc_avx=yes
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else
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libc_cv_cc_avx=no
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fi])
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LIBC_TRY_CC_OPTION([-mavx], [libc_cv_cc_avx=yes], [libc_cv_cc_avx=no])
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])
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if test $libc_cv_cc_avx = yes; then
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AC_DEFINE(HAVE_AVX_SUPPORT)
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fi
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dnl Check if -msse2avx works.
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AC_CACHE_CHECK(for AVX encoding of SSE instructions, libc_cv_cc_sse2avx, [dnl
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if AC_TRY_COMMAND([${CC-cc} -msse2avx -xc /dev/null -S -o /dev/null]); then
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libc_cv_cc_sse2avx=yes
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else
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libc_cv_cc_sse2avx=no
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fi])
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LIBC_TRY_CC_OPTION([-msse2avx],
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[libc_cv_cc_sse2avx=yes],
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[libc_cv_cc_sse2avx=no])
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])
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if test $libc_cv_cc_sse2avx = yes; then
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AC_DEFINE(HAVE_SSE2AVX_SUPPORT)
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fi
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dnl Check if -mfma4 works.
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AC_CACHE_CHECK(for FMA4 support, libc_cv_cc_fma4, [dnl
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if AC_TRY_COMMAND([${CC-cc} -mfma4 -xc /dev/null -S -o /dev/null]); then
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libc_cv_cc_fma4=yes
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else
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libc_cv_cc_fma4=no
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fi])
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LIBC_TRY_CC_OPTION([-mfma4], [libc_cv_cc_fma4=yes], [libc_cv_cc_fma4=no])
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])
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if test $libc_cv_cc_fma4 = yes; then
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AC_DEFINE(HAVE_FMA4_SUPPORT)
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fi
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dnl Check if -mno-vzeroupper works.
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AC_CACHE_CHECK(for -mno-vzeroupper support, libc_cv_cc_novzeroupper, [dnl
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if AC_TRY_COMMAND([${CC-cc} -mno-vzeroupper -xc /dev/null -S -o /dev/null]); then
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libc_cv_cc_novzeroupper=yes
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else
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libc_cv_cc_novzeroupper=no
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fi])
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LIBC_TRY_CC_OPTION([-mno-vzeroupper],
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[libc_cv_cc_novzeroupper=yes],
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[libc_cv_cc_novzeroupper=no])
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])
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