| author | Dinar Valeev |
| Tue, 07 Feb 2012 19:07:59 +0100 | |
| changeset 378 | dfb824794771 |
| parent 371 | ead21d122ed0 |
| child 382 | 67f876aafae8 |
| permissions | -rw-r--r-- |
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# HG changeset patch |
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2 |
# User Joop Boonen <joop.boonen@opensuse.org> |
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# Parent be20a0ae420eb2b3584ce2c5d241e2817bac8593 |
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4 |
Add configure option to allow disabling of neon. |
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5 |
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diff --git a/configure.in b/configure.in |
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--- a/configure.in |
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+++ b/configure.in |
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@@ -1674,41 +1674,47 @@ if test -n "$all_flags"; then |
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ASFLAGS="$ASFLAGS $all_flags" |
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if test -n "$thumb_flag"; then |
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LDFLAGS="$LDFLAGS $thumb_flag" |
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fi |
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fi |
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AC_SUBST(MOZ_THUMB2) |
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-if test "$CPU_ARCH" = "arm"; then |
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- AC_MSG_CHECKING(for ARM SIMD support in compiler) |
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- # We try to link so that this also fails when |
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- # building with LTO. |
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- AC_TRY_LINK([], |
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- [asm("uqadd8 r1, r1, r2");],
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- result="yes", result="no") |
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- AC_MSG_RESULT("$result")
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- if test "$result" = "yes"; then |
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- AC_DEFINE(HAVE_ARM_SIMD) |
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- HAVE_ARM_SIMD=1 |
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- fi |
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- |
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- AC_MSG_CHECKING(for ARM NEON support in compiler) |
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- # We try to link so that this also fails when |
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- # building with LTO. |
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- AC_TRY_LINK([], |
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- [asm(".fpu neon\n vadd.i8 d0, d0, d0");],
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- result="yes", result="no") |
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- AC_MSG_RESULT("$result")
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- if test "$result" = "yes"; then |
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- AC_DEFINE(HAVE_ARM_NEON) |
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- HAVE_ARM_NEON=1 |
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- fi |
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-fi # CPU_ARCH = arm |
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+MOZ_ARG_DISABLE_BOOL(neon, |
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+[ --disable-neon Disable neon extensions], |
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+ NS_DISABLE_NEON=1, |
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+ NS_DISABLE_NEON= ) |
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+if test "$NS_DISABLE_NEON" != "1"; then |
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+ if test "$CPU_ARCH" = "arm"; then |
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+ AC_MSG_CHECKING(for ARM SIMD support in compiler) |
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+ # We try to link so that this also fails when |
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+ # building with LTO. |
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+ AC_TRY_LINK([], |
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+ [asm("uqadd8 r1, r1, r2");],
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+ result="yes", result="no") |
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+ AC_MSG_RESULT("$result")
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+ if test "$result" = "yes"; then |
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+ AC_DEFINE(HAVE_ARM_SIMD) |
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+ HAVE_ARM_SIMD=1 |
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+ fi |
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+ |
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+ AC_MSG_CHECKING(for ARM NEON support in compiler) |
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+ # We try to link so that this also fails when |
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+ # building with LTO. |
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+ AC_TRY_LINK([], |
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+ [asm(".fpu neon\n vadd.i8 d0, d0, d0");],
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+ result="yes", result="no") |
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+ AC_MSG_RESULT("$result")
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+ if test "$result" = "yes"; then |
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+ AC_DEFINE(HAVE_ARM_NEON) |
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+ HAVE_ARM_NEON=1 |
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+ fi |
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+ fi # CPU_ARCH = arm |
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+fi |
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AC_SUBST(HAVE_ARM_SIMD) |
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AC_SUBST(HAVE_ARM_NEON) |
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dnl ======================================================== |
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dnl Android libstdc++, placed here so it can use MOZ_ARCH |
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dnl computed above. |
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dnl ======================================================== |
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diff --git a/js/src/configure.in b/js/src/configure.in |
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--- a/js/src/configure.in |
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+++ b/js/src/configure.in |
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@@ -1604,41 +1604,47 @@ if test -n "$all_flags"; then |
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ASFLAGS="$ASFLAGS $all_flags" |
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if test -n "$thumb_flag"; then |
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LDFLAGS="$LDFLAGS $thumb_flag" |
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fi |
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90 |
fi |
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91 |
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AC_SUBST(MOZ_THUMB2) |
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-if test "$CPU_ARCH" = "arm"; then |
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- AC_MSG_CHECKING(for ARM SIMD support in compiler) |
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- # We try to link so that this also fails when |
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- # building with LTO. |
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- AC_TRY_LINK([], |
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- [asm("uqadd8 r1, r1, r2");],
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- result="yes", result="no") |
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- AC_MSG_RESULT("$result")
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- if test "$result" = "yes"; then |
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- AC_DEFINE(HAVE_ARM_SIMD) |
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- HAVE_ARM_SIMD=1 |
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- fi |
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- |
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- AC_MSG_CHECKING(for ARM NEON support in compiler) |
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- # We try to link so that this also fails when |
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- # building with LTO. |
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- AC_TRY_LINK([], |
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- [asm(".fpu neon\n vadd.i8 d0, d0, d0");],
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- result="yes", result="no") |
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- AC_MSG_RESULT("$result")
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- if test "$result" = "yes"; then |
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- AC_DEFINE(HAVE_ARM_NEON) |
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- HAVE_ARM_NEON=1 |
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117 |
- fi |
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-fi # CPU_ARCH = arm |
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+MOZ_ARG_DISABLE_BOOL(neon, |
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+[ --disable-neon Disable neon extensions], |
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+ NS_DISABLE_NEON=1, |
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122 |
+ NS_DISABLE_NEON= ) |
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+if test "$NS_DISABLE_NEON" != "1"; then |
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+ if test "$CPU_ARCH" = "arm"; then |
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+ AC_MSG_CHECKING(for ARM SIMD support in compiler) |
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126 |
+ # We try to link so that this also fails when |
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+ # building with LTO. |
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128 |
+ AC_TRY_LINK([], |
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129 |
+ [asm("uqadd8 r1, r1, r2");],
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130 |
+ result="yes", result="no") |
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131 |
+ AC_MSG_RESULT("$result")
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+ if test "$result" = "yes"; then |
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+ AC_DEFINE(HAVE_ARM_SIMD) |
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+ HAVE_ARM_SIMD=1 |
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135 |
+ fi |
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136 |
+ |
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137 |
+ AC_MSG_CHECKING(for ARM NEON support in compiler) |
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138 |
+ # We try to link so that this also fails when |
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139 |
+ # building with LTO. |
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140 |
+ AC_TRY_LINK([], |
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141 |
+ [asm(".fpu neon\n vadd.i8 d0, d0, d0");],
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142 |
+ result="yes", result="no") |
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143 |
+ AC_MSG_RESULT("$result")
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144 |
+ if test "$result" = "yes"; then |
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+ AC_DEFINE(HAVE_ARM_NEON) |
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146 |
+ HAVE_ARM_NEON=1 |
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147 |
+ fi |
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148 |
+ fi # CPU_ARCH = arm |
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149 |
+fi |
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150 |
|
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151 |
AC_SUBST(HAVE_ARM_SIMD) |
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152 |
AC_SUBST(HAVE_ARM_NEON) |
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153 |
|
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154 |
dnl ======================================================== |
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155 |
dnl Android libstdc++, placed here so it can use MOZ_ARCH |
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156 |
dnl computed above. |
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157 |
dnl ======================================================== |