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MozillaFirefox/mozilla-disable-neon-option.patch

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# 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 ========================================================