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openSUSE:Evergreen:11.4
MozillaFirefox.import5799
mozilla-disable-neon-option.patch
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File mozilla-disable-neon-option.patch of Package MozillaFirefox.import5799
# HG changeset patch # User Joop Boonen <joop.boonen@opensuse.org> # Parent be20a0ae420eb2b3584ce2c5d241e2817bac8593 Add configure option to allow disabling of neon. diff --git a/configure.in b/configure.in --- a/configure.in +++ b/configure.in @@ -1674,41 +1674,47 @@ if test -n "$all_flags"; then ASFLAGS="$ASFLAGS $all_flags" if test -n "$thumb_flag"; then LDFLAGS="$LDFLAGS $thumb_flag" fi fi AC_SUBST(MOZ_THUMB2) -if test "$CPU_ARCH" = "arm"; then - AC_MSG_CHECKING(for ARM SIMD support in compiler) - # We try to link so that this also fails when - # building with LTO. - AC_TRY_LINK([], - [asm("uqadd8 r1, r1, r2");], - result="yes", result="no") - AC_MSG_RESULT("$result") - if test "$result" = "yes"; then - AC_DEFINE(HAVE_ARM_SIMD) - HAVE_ARM_SIMD=1 - fi - - AC_MSG_CHECKING(for ARM NEON support in compiler) - # We try to link so that this also fails when - # building with LTO. - AC_TRY_LINK([], - [asm(".fpu neon\n vadd.i8 d0, d0, d0");], - result="yes", result="no") - AC_MSG_RESULT("$result") - if test "$result" = "yes"; then - AC_DEFINE(HAVE_ARM_NEON) - HAVE_ARM_NEON=1 - fi -fi # CPU_ARCH = arm +MOZ_ARG_DISABLE_BOOL(neon, +[ --disable-neon Disable neon extensions], + NS_DISABLE_NEON=1, + NS_DISABLE_NEON= ) +if test "$NS_DISABLE_NEON" != "1"; then + if test "$CPU_ARCH" = "arm"; then + AC_MSG_CHECKING(for ARM SIMD support in compiler) + # We try to link so that this also fails when + # building with LTO. + AC_TRY_LINK([], + [asm("uqadd8 r1, r1, r2");], + result="yes", result="no") + AC_MSG_RESULT("$result") + if test "$result" = "yes"; then + AC_DEFINE(HAVE_ARM_SIMD) + HAVE_ARM_SIMD=1 + fi + + AC_MSG_CHECKING(for ARM NEON support in compiler) + # We try to link so that this also fails when + # building with LTO. + AC_TRY_LINK([], + [asm(".fpu neon\n vadd.i8 d0, d0, d0");], + result="yes", result="no") + AC_MSG_RESULT("$result") + if test "$result" = "yes"; then + AC_DEFINE(HAVE_ARM_NEON) + HAVE_ARM_NEON=1 + fi + fi # CPU_ARCH = arm +fi AC_SUBST(HAVE_ARM_SIMD) AC_SUBST(HAVE_ARM_NEON) dnl ======================================================== dnl Android libstdc++, placed here so it can use MOZ_ARCH dnl computed above. dnl ======================================================== diff --git a/js/src/configure.in b/js/src/configure.in --- a/js/src/configure.in +++ b/js/src/configure.in @@ -1604,41 +1604,47 @@ if test -n "$all_flags"; then ASFLAGS="$ASFLAGS $all_flags" if test -n "$thumb_flag"; then LDFLAGS="$LDFLAGS $thumb_flag" fi fi AC_SUBST(MOZ_THUMB2) -if test "$CPU_ARCH" = "arm"; then - AC_MSG_CHECKING(for ARM SIMD support in compiler) - # We try to link so that this also fails when - # building with LTO. - AC_TRY_LINK([], - [asm("uqadd8 r1, r1, r2");], - result="yes", result="no") - AC_MSG_RESULT("$result") - if test "$result" = "yes"; then - AC_DEFINE(HAVE_ARM_SIMD) - HAVE_ARM_SIMD=1 - fi - - AC_MSG_CHECKING(for ARM NEON support in compiler) - # We try to link so that this also fails when - # building with LTO. - AC_TRY_LINK([], - [asm(".fpu neon\n vadd.i8 d0, d0, d0");], - result="yes", result="no") - AC_MSG_RESULT("$result") - if test "$result" = "yes"; then - AC_DEFINE(HAVE_ARM_NEON) - HAVE_ARM_NEON=1 - fi -fi # CPU_ARCH = arm +MOZ_ARG_DISABLE_BOOL(neon, +[ --disable-neon Disable neon extensions], + NS_DISABLE_NEON=1, + NS_DISABLE_NEON= ) +if test "$NS_DISABLE_NEON" != "1"; then + if test "$CPU_ARCH" = "arm"; then + AC_MSG_CHECKING(for ARM SIMD support in compiler) + # We try to link so that this also fails when + # building with LTO. + AC_TRY_LINK([], + [asm("uqadd8 r1, r1, r2");], + result="yes", result="no") + AC_MSG_RESULT("$result") + if test "$result" = "yes"; then + AC_DEFINE(HAVE_ARM_SIMD) + HAVE_ARM_SIMD=1 + fi + + AC_MSG_CHECKING(for ARM NEON support in compiler) + # We try to link so that this also fails when + # building with LTO. + AC_TRY_LINK([], + [asm(".fpu neon\n vadd.i8 d0, d0, d0");], + result="yes", result="no") + AC_MSG_RESULT("$result") + if test "$result" = "yes"; then + AC_DEFINE(HAVE_ARM_NEON) + HAVE_ARM_NEON=1 + fi + fi # CPU_ARCH = arm +fi AC_SUBST(HAVE_ARM_SIMD) AC_SUBST(HAVE_ARM_NEON) dnl ======================================================== dnl Android libstdc++, placed here so it can use MOZ_ARCH dnl computed above. dnl ========================================================
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