1 GLIBC_PROVIDES dnl See aclocal.m4 in the top level source directory.
2 # Local configure fragment for sysdeps/sparc.
4 # Check for support of VIS3 et al. instructions in the assembler.
5 AC_CACHE_CHECK(for sparc assembler VIS3 support, libc_cv_sparc_as_vis3, [dnl
6 cat > conftest.S <<\EOF
8 foo: fmadds %f1, %f2, %f3, %f5
9 fmaddd %f2, %f4, %f8, %f10
18 flcmps %fcc0, %f3, %f5
19 flcmpd %fcc1, %f4, %f6
22 if AC_TRY_COMMAND([${CC-cc} -c $CFLAGS -Wa,-Av9d conftest.S]); then
23 libc_cv_sparc_as_vis3=yes
25 libc_cv_sparc_as_vis3=no
28 if test $libc_cv_sparc_as_vis3 = yes; then
29 AC_DEFINE(HAVE_AS_VIS3_SUPPORT)
32 # Check for a GCC emitting GOTDATA relocations.
33 AC_CACHE_CHECK(for sparc gcc GOTDATA reloc support, libc_cv_sparc_gcc_gotdata, [dnl
35 cat > conftest.c <<\EOF
44 libc_cv_sparc_gcc_gotdata=no
45 if AC_TRY_COMMAND(${CC-cc} -S $CFLAGS -O2 -fPIC conftest.c 1>&AS_MESSAGE_LOG_FD); then
46 if grep -q 'gdop_hix22' conftest.s \
47 && grep -q 'gdop_lox10' conftest.s; then
48 libc_cv_sparc_gcc_gotdata=yes
52 if test $libc_cv_sparc_gcc_gotdata = yes; then
53 AC_DEFINE(HAVE_GCC_GOTDATA)
56 if test $libc_cv_sparc_gcc_gotdata = yes; then
57 AC_DEFINE(PI_STATIC_AND_HIDDEN)