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mozilla-disable-neon-option.patch
changeset 637 73640b76d6c3
parent 636 0dd4ede5105c
child 641 8d4c4f06e0e4 
--- a/mozilla-disable-neon-option.patch	Tue Mar 19 09:18:24 2013 +0100
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,141 +0,0 @@
-# HG changeset patch
-# User Joop Boonen <joop.boonen@opensuse.org>
-# Parent 5f38d3aa0414fe0ac7ff1f0b47da44069e7ccdda
-Add configure option to allow disabling of neon.
-
-diff --git a/configure.in b/configure.in
---- a/configure.in
-+++ b/configure.in
-@@ -1726,41 +1726,47 @@ 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([],
-+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_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([],
-+    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_MSG_RESULT("$result")
-+    if test "$result" = "yes"; then
-       AC_DEFINE(HAVE_ARM_NEON)
-       HAVE_ARM_NEON=1
--  fi
--fi # CPU_ARCH = arm
-+    fi
-+  fi # CPU_ARCH = arm
-+fi
- 
- AC_SUBST(HAVE_ARM_SIMD)
- AC_SUBST(HAVE_ARM_NEON)
- 
- dnl =================================================================
- dnl Set up and test static assertion macros used to avoid AC_TRY_RUN,
- dnl which is bad when cross compiling.
- dnl =================================================================
-diff --git a/js/src/configure.in b/js/src/configure.in
---- a/js/src/configure.in
-+++ b/js/src/configure.in
-@@ -1664,41 +1664,47 @@ 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([],
-+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_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([],
-+    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_MSG_RESULT("$result")
-+    if test "$result" = "yes"; then
-       AC_DEFINE(HAVE_ARM_NEON)
-       HAVE_ARM_NEON=1
--  fi
--fi # CPU_ARCH = arm
-+    fi
-+  fi # CPU_ARCH = arm
-+fi
- 
- AC_SUBST(HAVE_ARM_SIMD)
- AC_SUBST(HAVE_ARM_NEON)
- 
- dnl =================================================================
- dnl Set up and test static assertion macros used to avoid AC_TRY_RUN,
- dnl which is bad when cross compiling.
- dnl =================================================================
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