diff options
| author | Matt Turner <mattst88@gmail.com> | 2012-05-30 16:44:04 -0400 |
|---|---|---|
| committer | Matt Turner <mattst88@gmail.com> | 2012-06-09 16:57:16 -0400 |
| commit | 367b78fd5c57ee05298eb11370b68d01613961e5 (patch) | |
| tree | d4334933bb80114a39b8096fcc7cd64c452d2a85 | |
| parent | 31a6563ec5167d6b15fdb8c158a71ab4f97015ab (diff) | |
configure.ac: add iwmmxt2 configure flag
The flag allows the user to select whether pixman-mmx.c is compiled with
-march=iwmmxt or -march=iwmmxt2.
gcc has scheduling support for the Marvell CPU in the XO 1.75 when
building with -march=iwmmxt2.
| -rw-r--r-- | configure.ac | 20 |
1 files changed, 14 insertions, 6 deletions
diff --git a/configure.ac b/configure.ac index a544e19a..2b9d1ba2 100644 --- a/configure.ac +++ b/configure.ac @@ -607,8 +607,21 @@ fi dnl =========================================================================== dnl Check for IWMMXT +AC_ARG_ENABLE(arm-iwmmxt, + [AC_HELP_STRING([--disable-arm-iwmmxt], + [disable ARM IWMMXT fast paths])], + [enable_iwmmxt=$enableval], [enable_iwmmxt=auto]) + +AC_ARG_ENABLE(arm-iwmmxt2, + [AC_HELP_STRING([--disable-arm-iwmmxt2], + [build ARM IWMMXT fast paths with -march=iwmmxt instead of -march=iwmmxt2])], + [enable_iwmmxt2=$enableval], [enable_iwmmxt2=auto]) + if test "x$IWMMXT_CFLAGS" = "x" ; then - IWMMXT_CFLAGS="-march=iwmmxt -flax-vector-conversions -Winline" + IWMMXT_CFLAGS="-flax-vector-conversions -Winline -march=iwmmxt" + if test $enable_iwmmxt2 != no ; then + IWMMXT_CFLAGS+="2" + fi fi have_iwmmxt_intrinsics=no @@ -636,11 +649,6 @@ int main () { }]])], have_iwmmxt_intrinsics=yes) CFLAGS=$xserver_save_CFLAGS -AC_ARG_ENABLE(arm-iwmmxt, - [AC_HELP_STRING([--disable-arm-iwmmxt], - [disable ARM IWMMXT fast paths])], - [enable_iwmmxt=$enableval], [enable_iwmmxt=auto]) - if test $enable_iwmmxt = no ; then have_iwmmxt_intrinsics=disabled fi |