diff options
| -rw-r--r-- | ChangeLog | 7 | ||||
| -rw-r--r-- | config.h.in | 4 | ||||
| -rw-r--r-- | sysdeps/s390/configure | 32 | ||||
| -rw-r--r-- | sysdeps/s390/configure.ac | 21 |
4 files changed, 64 insertions, 0 deletions
@@ -1,5 +1,12 @@ 2016-05-25 Stefan Liebler <stli@linux.vnet.ibm.com> + * config.h.in (HAVE_S390_VX_GCC_SUPPORT): New macro undefine. + * sysdeps/s390/configure.ac: Add test for S390 vector register + support in gcc. + * sysdeps/s390/configure: Regenerated. + +2016-05-25 Stefan Liebler <stli@linux.vnet.ibm.com> + * iconvdata/Makefile ($(inst_gconvdir)/gconv-modules): Install file from $(objpfx)gconv-modules. ($(objpfx)gconv-modules): Concatenate architecture specific file diff --git a/config.h.in b/config.h.in index 2c902b0..b28b513 100644 --- a/config.h.in +++ b/config.h.in @@ -73,6 +73,10 @@ /* Define if assembler supports vector instructions on S390. */ #undef HAVE_S390_VX_ASM_SUPPORT +/* Define if gcc supports vector registers as clobbers in inline assembly + on S390. */ +#undef HAVE_S390_VX_GCC_SUPPORT + /* Define if assembler supports Intel MPX. */ #undef HAVE_MPX_SUPPORT diff --git a/sysdeps/s390/configure b/sysdeps/s390/configure index 0fa54c3..c9fb69c 100644 --- a/sysdeps/s390/configure +++ b/sysdeps/s390/configure @@ -144,6 +144,38 @@ else $as_echo "$as_me: WARNING: Use binutils with vector-support in order to use optimized implementations." >&2;} fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for S390 vector support in gcc" >&5 +$as_echo_n "checking for S390 vector support in gcc... " >&6; } +if ${libc_cv_gcc_s390_vx+:} false; then : + $as_echo_n "(cached) " >&6 +else + cat > conftest.c <<\EOF +void testvecclobber () +{ + __asm__ ("" : : : "v16"); +} +EOF +if { ac_try='${CC-cc} --shared conftest.c -o conftest.o &> /dev/null' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } ; +then + libc_cv_gcc_s390_vx=yes +else + libc_cv_gcc_s390_vx=no +fi +rm -f conftest* +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_gcc_s390_vx" >&5 +$as_echo "$libc_cv_gcc_s390_vx" >&6; } + +if test "$libc_cv_gcc_s390_vx" = yes ; +then + $as_echo "#define HAVE_S390_VX_GCC_SUPPORT 1" >>confdefs.h + +fi test -n "$critic_missing" && as_fn_error $? " *** $critic_missing" "$LINENO" 5 diff --git a/sysdeps/s390/configure.ac b/sysdeps/s390/configure.ac index 4da134e..1db6d84 100644 --- a/sysdeps/s390/configure.ac +++ b/sysdeps/s390/configure.ac @@ -64,6 +64,27 @@ else AC_MSG_WARN([Use binutils with vector-support in order to use optimized implementations.]) fi +AC_CACHE_CHECK(for S390 vector support in gcc, libc_cv_gcc_s390_vx, [dnl +cat > conftest.c <<\EOF +void testvecclobber () +{ + __asm__ ("" : : : "v16"); +} +EOF +dnl +dnl test, if gcc supports S390 vector registers as clobber in inline assembly +if AC_TRY_COMMAND([${CC-cc} --shared conftest.c -o conftest.o &> /dev/null]) ; +then + libc_cv_gcc_s390_vx=yes +else + libc_cv_gcc_s390_vx=no +fi +rm -f conftest* ]) + +if test "$libc_cv_gcc_s390_vx" = yes ; +then + AC_DEFINE(HAVE_S390_VX_GCC_SUPPORT) +fi test -n "$critic_missing" && AC_MSG_ERROR([ *** $critic_missing]) |