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Bug 593629: Only check for ARM SIMD and NEON when the CPU_ARCH is ARM. r=ted

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This commit is contained in:
Kyle Huey 2011-04-13 19:41:33 -07:00
parent 3fa5bf6b10
commit 8da424f8d7
2 changed files with 60 additions and 54 deletions
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61
configure.in
View File

@ -3589,36 +3589,39 @@ AC_SUBST(XEXT_LIBS)
AC_SUBST(XT_LIBS)
AC_SUBST(XSS_LIBS)
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_SUBST(HAVE_ARM_SIMD)
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 "$result" = "yes"; then
AC_DEFINE(HAVE_ARM_SIMD)
HAVE_ARM_SIMD=1
fi
AC_MSG_CHECKING(for ARM NEON support in compiler)
_SAVE_CFLAGS="$CFLAGS"
if test "$GNU_CC"; then
# gcc needs -mfpu=neon to recognize NEON instructions
CFLAGS="$CFLAGS -mfpu=neon -mfloat-abi=softfp"
fi
# We try to link so that this also fails when
# building with LTO.
AC_TRY_LINK([],
[asm("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
CFLAGS="$_SAVE_CFLAGS"
AC_MSG_CHECKING(for ARM NEON support in compiler)
_SAVE_CFLAGS="$CFLAGS"
if test "$GNU_CC"; then
# gcc needs -mfpu=neon to recognize NEON instructions
CFLAGS="$CFLAGS -mfpu=neon -mfloat-abi=softfp"
fi
# We try to link so that this also fails when
# building with LTO.
AC_TRY_LINK([],
[asm("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
CFLAGS="$_SAVE_CFLAGS"
fi # CPU_ARCH = arm
AC_SUBST(HAVE_ARM_SIMD)
AC_SUBST(HAVE_ARM_NEON)
dnl ========================================================

53
js/src/configure.in
View File

@ -1,5 +1,5 @@
dnl -*- Mode: Autoconf; tab-width: 4; indent-tabs-mode: nil; -*-
dnl vi: set tabstop=4 shiftwidth=4 expandtab:
dnl vi: set tabstop=4 shiftwidth=4 expandtab syntax=m4:
dnl ***** BEGIN LICENSE BLOCK *****
dnl Version: MPL 1.1/GPL 2.0/LGPL 2.1
dnl
@ -3455,32 +3455,35 @@ case $target in
AC_CHECK_LIB(socket, socket)
esac
AC_MSG_CHECKING(for ARM SIMD support in compiler)
AC_TRY_COMPILE([],
[asm("uqadd8 r1, r1, r2");],
result="yes", result="no")
AC_MSG_RESULT("$result")
if test "$result" = "yes"; then
AC_DEFINE(HAVE_ARM_SIMD)
HAVE_ARM_SIMD=1
fi
AC_SUBST(HAVE_ARM_SIMD)
if test "$CPU_ARCH" = "arm"; then
AC_MSG_CHECKING(for ARM SIMD support in compiler)
AC_TRY_COMPILE([],
[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)
_SAVE_CFLAGS="$CFLAGS"
if test "$GNU_CC"; then
# gcc needs -mfpu=neon to recognize NEON instructions
CFLAGS="$CFLAGS -mfpu=neon -mfloat-abi=softfp"
AC_MSG_CHECKING(for ARM NEON support in compiler)
_SAVE_CFLAGS="$CFLAGS"
if test "$GNU_CC"; then
# gcc needs -mfpu=neon to recognize NEON instructions
CFLAGS="$CFLAGS -mfpu=neon -mfloat-abi=softfp"
fi
AC_TRY_COMPILE([],
[asm("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
CFLAGS="$_SAVE_CFLAGS"
fi
AC_TRY_COMPILE([],
[asm("vadd.i8 d0, d0, d0");],
result="yes", result="no")
AC_MSG_RESULT("$result")
if test "$result" = "yes"; then
AC_DEFINE(HAVE_ARM_NEON)
HAVE_ARM_NEON=1
fi
CFLAGS="$_SAVE_CFLAGS"
AC_SUBST(HAVE_ARM_SIMD)
AC_SUBST(HAVE_ARM_NEON)
dnl ========================================================