| author | Wolfgang Rosenauer <wr@rosenauer.org> |
| Sat, 28 Apr 2012 23:20:28 +0200 | |
| changeset 438 | 7d934b2f5014 |
| parent 382 | 67f876aafae8 |
| permissions | -rw-r--r-- |
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# HG changeset patch |
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# User Joop Boonen <joop.boonen@opensuse.org> |
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# Parent 5f38d3aa0414fe0ac7ff1f0b47da44069e7ccdda |
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Add configure option to allow disabling of neon. |
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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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@@ -1726,41 +1726,47 @@ 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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+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_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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+ 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_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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+ 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 Set up and test static assertion macros used to avoid AC_TRY_RUN, |
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dnl which is bad when cross compiling. |
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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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@@ -1664,41 +1664,47 @@ 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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+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_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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+ 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_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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+ 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 Set up and test static assertion macros used to avoid AC_TRY_RUN, |
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dnl which is bad when cross compiling. |
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dnl ================================================================= |