Add qemu 2.4.0

Change-Id: Ic99cbad4b61f8b127b7dc74d04576c0bcbaaf4f5
Signed-off-by: Yang Zhang <yang.z.zhang@intel.com>

1 files changed, 762 insertions, 0 deletions

diff --git a/qemu/include/fpu/softfloat.h b/qemu/include/fpu/softfloat.h
new file mode 100644
index 000000000..ded34eb00
--- /dev/null
+++ b/qemu/include/fpu/softfloat.h
@@ -0,0 +1,762 @@
+/*
+ * QEMU float support
+ *
+ * The code in this source file is derived from release 2a of the SoftFloat
+ * IEC/IEEE Floating-point Arithmetic Package. Those parts of the code (and
+ * some later contributions) are provided under that license, as detailed below.
+ * It has subsequently been modified by contributors to the QEMU Project,
+ * so some portions are provided under:
+ *  the SoftFloat-2a license
+ *  the BSD license
+ *  GPL-v2-or-later
+ *
+ * Any future contributions to this file after December 1st 2014 will be
+ * taken to be licensed under the Softfloat-2a license unless specifically
+ * indicated otherwise.
+ */
+
+/*
+===============================================================================
+This C header file is part of the SoftFloat IEC/IEEE Floating-point
+Arithmetic Package, Release 2a.
+
+Written by John R. Hauser.  This work was made possible in part by the
+International Computer Science Institute, located at Suite 600, 1947 Center
+Street, Berkeley, California 94704.  Funding was partially provided by the
+National Science Foundation under grant MIP-9311980.  The original version
+of this code was written as part of a project to build a fixed-point vector
+processor in collaboration with the University of California at Berkeley,
+overseen by Profs. Nelson Morgan and John Wawrzynek.  More information
+is available through the Web page `http://HTTP.CS.Berkeley.EDU/~jhauser/
+arithmetic/SoftFloat.html'.
+
+THIS SOFTWARE IS DISTRIBUTED AS IS, FOR FREE.  Although reasonable effort
+has been made to avoid it, THIS SOFTWARE MAY CONTAIN FAULTS THAT WILL AT
+TIMES RESULT IN INCORRECT BEHAVIOR.  USE OF THIS SOFTWARE IS RESTRICTED TO
+PERSONS AND ORGANIZATIONS WHO CAN AND WILL TAKE FULL RESPONSIBILITY FOR ANY
+AND ALL LOSSES, COSTS, OR OTHER PROBLEMS ARISING FROM ITS USE.
+
+Derivative works are acceptable, even for commercial purposes, so long as
+(1) they include prominent notice that the work is derivative, and (2) they
+include prominent notice akin to these four paragraphs for those parts of
+this code that are retained.
+
+===============================================================================
+*/
+
+/* BSD licensing:
+ * Copyright (c) 2006, Fabrice Bellard
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors
+ * may be used to endorse or promote products derived from this software without
+ * specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ * THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/* Portions of this work are licensed under the terms of the GNU GPL,
+ * version 2 or later. See the COPYING file in the top-level directory.
+ */
+
+#ifndef SOFTFLOAT_H
+#define SOFTFLOAT_H
+
+#if defined(CONFIG_SOLARIS) && defined(CONFIG_NEEDS_LIBSUNMATH)
+#include <sunmath.h>
+#endif
+
+#include <inttypes.h>
+#include "config-host.h"
+#include "qemu/osdep.h"
+
+/*----------------------------------------------------------------------------
+| Each of the following `typedef's defines the most convenient type that holds
+| integers of at least as many bits as specified.  For example, `uint8' should
+| be the most convenient type that can hold unsigned integers of as many as
+| 8 bits.  The `flag' type must be able to hold either a 0 or 1.  For most
+| implementations of C, `flag', `uint8', and `int8' should all be `typedef'ed
+| to the same as `int'.
+*----------------------------------------------------------------------------*/
+typedef uint8_t flag;
+typedef uint8_t uint8;
+typedef int8_t int8;
+typedef unsigned int uint32;
+typedef signed int int32;
+typedef uint64_t uint64;
+typedef int64_t int64;
+
+#define LIT64( a ) a##LL
+
+/*----------------------------------------------------------------------------
+| Software IEC/IEEE floating-point ordering relations
+*----------------------------------------------------------------------------*/
+enum {
+    float_relation_less      = -1,
+    float_relation_equal     =  0,
+    float_relation_greater   =  1,
+    float_relation_unordered =  2
+};
+
+/*----------------------------------------------------------------------------
+| Software IEC/IEEE floating-point types.
+*----------------------------------------------------------------------------*/
+/* Use structures for soft-float types.  This prevents accidentally mixing
+   them with native int/float types.  A sufficiently clever compiler and
+   sane ABI should be able to see though these structs.  However
+   x86/gcc 3.x seems to struggle a bit, so leave them disabled by default.  */
+//#define USE_SOFTFLOAT_STRUCT_TYPES
+#ifdef USE_SOFTFLOAT_STRUCT_TYPES
+typedef struct {
+    uint16_t v;
+} float16;
+#define float16_val(x) (((float16)(x)).v)
+#define make_float16(x) __extension__ ({ float16 f16_val = {x}; f16_val; })
+#define const_float16(x) { x }
+typedef struct {
+    uint32_t v;
+} float32;
+/* The cast ensures an error if the wrong type is passed.  */
+#define float32_val(x) (((float32)(x)).v)
+#define make_float32(x) __extension__ ({ float32 f32_val = {x}; f32_val; })
+#define const_float32(x) { x }
+typedef struct {
+    uint64_t v;
+} float64;
+#define float64_val(x) (((float64)(x)).v)
+#define make_float64(x) __extension__ ({ float64 f64_val = {x}; f64_val; })
+#define const_float64(x) { x }
+#else
+typedef uint16_t float16;
+typedef uint32_t float32;
+typedef uint64_t float64;
+#define float16_val(x) (x)
+#define float32_val(x) (x)
+#define float64_val(x) (x)
+#define make_float16(x) (x)
+#define make_float32(x) (x)
+#define make_float64(x) (x)
+#define const_float16(x) (x)
+#define const_float32(x) (x)
+#define const_float64(x) (x)
+#endif
+typedef struct {
+    uint64_t low;
+    uint16_t high;
+} floatx80;
+#define make_floatx80(exp, mant) ((floatx80) { mant, exp })
+#define make_floatx80_init(exp, mant) { .low = mant, .high = exp }
+typedef struct {
+#ifdef HOST_WORDS_BIGENDIAN
+    uint64_t high, low;
+#else
+    uint64_t low, high;
+#endif
+} float128;
+#define make_float128(high_, low_) ((float128) { .high = high_, .low = low_ })
+#define make_float128_init(high_, low_) { .high = high_, .low = low_ }
+
+/*----------------------------------------------------------------------------
+| Software IEC/IEEE floating-point underflow tininess-detection mode.
+*----------------------------------------------------------------------------*/
+enum {
+    float_tininess_after_rounding  = 0,
+    float_tininess_before_rounding = 1
+};
+
+/*----------------------------------------------------------------------------
+| Software IEC/IEEE floating-point rounding mode.
+*----------------------------------------------------------------------------*/
+enum {
+    float_round_nearest_even = 0,
+    float_round_down         = 1,
+    float_round_up           = 2,
+    float_round_to_zero      = 3,
+    float_round_ties_away    = 4,
+};
+
+/*----------------------------------------------------------------------------
+| Software IEC/IEEE floating-point exception flags.
+*----------------------------------------------------------------------------*/
+enum {
+    float_flag_invalid   =  1,
+    float_flag_divbyzero =  4,
+    float_flag_overflow  =  8,
+    float_flag_underflow = 16,
+    float_flag_inexact   = 32,
+    float_flag_input_denormal = 64,
+    float_flag_output_denormal = 128
+};
+
+typedef struct float_status {
+    signed char float_detect_tininess;
+    signed char float_rounding_mode;
+    signed char float_exception_flags;
+    signed char floatx80_rounding_precision;
+    /* should denormalised results go to zero and set the inexact flag? */
+    flag flush_to_zero;
+    /* should denormalised inputs go to zero and set the input_denormal flag? */
+    flag flush_inputs_to_zero;
+    flag default_nan_mode;
+} float_status;
+
+static inline void set_float_detect_tininess(int val, float_status *status)
+{
+    status->float_detect_tininess = val;
+}
+static inline void set_float_rounding_mode(int val, float_status *status)
+{
+    status->float_rounding_mode = val;
+}
+static inline void set_float_exception_flags(int val, float_status *status)
+{
+    status->float_exception_flags = val;
+}
+static inline void set_floatx80_rounding_precision(int val,
+                                                   float_status *status)
+{
+    status->floatx80_rounding_precision = val;
+}
+static inline void set_flush_to_zero(flag val, float_status *status)
+{
+    status->flush_to_zero = val;
+}
+static inline void set_flush_inputs_to_zero(flag val, float_status *status)
+{
+    status->flush_inputs_to_zero = val;
+}
+static inline void set_default_nan_mode(flag val, float_status *status)
+{
+    status->default_nan_mode = val;
+}
+static inline int get_float_detect_tininess(float_status *status)
+{
+    return status->float_detect_tininess;
+}
+static inline int get_float_rounding_mode(float_status *status)
+{
+    return status->float_rounding_mode;
+}
+static inline int get_float_exception_flags(float_status *status)
+{
+    return status->float_exception_flags;
+}
+static inline int get_floatx80_rounding_precision(float_status *status)
+{
+    return status->floatx80_rounding_precision;
+}
+static inline flag get_flush_to_zero(float_status *status)
+{
+    return status->flush_to_zero;
+}
+static inline flag get_flush_inputs_to_zero(float_status *status)
+{
+    return status->flush_inputs_to_zero;
+}
+static inline flag get_default_nan_mode(float_status *status)
+{
+    return status->default_nan_mode;
+}
+
+/*----------------------------------------------------------------------------
+| Routine to raise any or all of the software IEC/IEEE floating-point
+| exception flags.
+*----------------------------------------------------------------------------*/
+void float_raise(int8 flags, float_status *status);
+
+/*----------------------------------------------------------------------------
+| If `a' is denormal and we are in flush-to-zero mode then set the
+| input-denormal exception and return zero. Otherwise just return the value.
+*----------------------------------------------------------------------------*/
+float32 float32_squash_input_denormal(float32 a, float_status *status);
+float64 float64_squash_input_denormal(float64 a, float_status *status);
+
+/*----------------------------------------------------------------------------
+| Options to indicate which negations to perform in float*_muladd()
+| Using these differs from negating an input or output before calling
+| the muladd function in that this means that a NaN doesn't have its
+| sign bit inverted before it is propagated.
+| We also support halving the result before rounding, as a special
+| case to support the ARM fused-sqrt-step instruction FRSQRTS.
+*----------------------------------------------------------------------------*/
+enum {
+    float_muladd_negate_c = 1,
+    float_muladd_negate_product = 2,
+    float_muladd_negate_result = 4,
+    float_muladd_halve_result = 8,
+};
+
+/*----------------------------------------------------------------------------
+| Software IEC/IEEE integer-to-floating-point conversion routines.
+*----------------------------------------------------------------------------*/
+float32 int32_to_float32(int32_t, float_status *status);
+float64 int32_to_float64(int32_t, float_status *status);
+float32 uint32_to_float32(uint32_t, float_status *status);
+float64 uint32_to_float64(uint32_t, float_status *status);
+floatx80 int32_to_floatx80(int32_t, float_status *status);
+float128 int32_to_float128(int32_t, float_status *status);
+float32 int64_to_float32(int64_t, float_status *status);
+float64 int64_to_float64(int64_t, float_status *status);
+floatx80 int64_to_floatx80(int64_t, float_status *status);
+float128 int64_to_float128(int64_t, float_status *status);
+float32 uint64_to_float32(uint64_t, float_status *status);
+float64 uint64_to_float64(uint64_t, float_status *status);
+float128 uint64_to_float128(uint64_t, float_status *status);
+
+/* We provide the int16 versions for symmetry of API with float-to-int */
+static inline float32 int16_to_float32(int16_t v, float_status *status)
+{
+    return int32_to_float32(v, status);
+}
+
+static inline float32 uint16_to_float32(uint16_t v, float_status *status)
+{
+    return uint32_to_float32(v, status);
+}
+
+static inline float64 int16_to_float64(int16_t v, float_status *status)
+{
+    return int32_to_float64(v, status);
+}
+
+static inline float64 uint16_to_float64(uint16_t v, float_status *status)
+{
+    return uint32_to_float64(v, status);
+}
+
+/*----------------------------------------------------------------------------
+| Software half-precision conversion routines.
+*----------------------------------------------------------------------------*/
+float16 float32_to_float16(float32, flag, float_status *status);
+float32 float16_to_float32(float16, flag, float_status *status);
+float16 float64_to_float16(float64 a, flag ieee, float_status *status);
+float64 float16_to_float64(float16 a, flag ieee, float_status *status);
+
+/*----------------------------------------------------------------------------
+| Software half-precision operations.
+*----------------------------------------------------------------------------*/
+int float16_is_quiet_nan( float16 );
+int float16_is_signaling_nan( float16 );
+float16 float16_maybe_silence_nan( float16 );
+
+static inline int float16_is_any_nan(float16 a)
+{
+    return ((float16_val(a) & ~0x8000) > 0x7c00);
+}
+
+/*----------------------------------------------------------------------------
+| The pattern for a default generated half-precision NaN.
+*----------------------------------------------------------------------------*/
+extern const float16 float16_default_nan;
+
+/*----------------------------------------------------------------------------
+| Software IEC/IEEE single-precision conversion routines.
+*----------------------------------------------------------------------------*/
+int_fast16_t float32_to_int16(float32, float_status *status);
+uint_fast16_t float32_to_uint16(float32, float_status *status);
+int_fast16_t float32_to_int16_round_to_zero(float32, float_status *status);
+uint_fast16_t float32_to_uint16_round_to_zero(float32, float_status *status);
+int32 float32_to_int32(float32, float_status *status);
+int32 float32_to_int32_round_to_zero(float32, float_status *status);
+uint32 float32_to_uint32(float32, float_status *status);
+uint32 float32_to_uint32_round_to_zero(float32, float_status *status);
+int64 float32_to_int64(float32, float_status *status);
+uint64 float32_to_uint64(float32, float_status *status);
+uint64 float32_to_uint64_round_to_zero(float32, float_status *status);
+int64 float32_to_int64_round_to_zero(float32, float_status *status);
+float64 float32_to_float64(float32, float_status *status);
+floatx80 float32_to_floatx80(float32, float_status *status);
+float128 float32_to_float128(float32, float_status *status);
+
+/*----------------------------------------------------------------------------
+| Software IEC/IEEE single-precision operations.
+*----------------------------------------------------------------------------*/
+float32 float32_round_to_int(float32, float_status *status);
+float32 float32_add(float32, float32, float_status *status);
+float32 float32_sub(float32, float32, float_status *status);
+float32 float32_mul(float32, float32, float_status *status);
+float32 float32_div(float32, float32, float_status *status);
+float32 float32_rem(float32, float32, float_status *status);
+float32 float32_muladd(float32, float32, float32, int, float_status *status);
+float32 float32_sqrt(float32, float_status *status);
+float32 float32_exp2(float32, float_status *status);
+float32 float32_log2(float32, float_status *status);
+int float32_eq(float32, float32, float_status *status);
+int float32_le(float32, float32, float_status *status);
+int float32_lt(float32, float32, float_status *status);
+int float32_unordered(float32, float32, float_status *status);
+int float32_eq_quiet(float32, float32, float_status *status);
+int float32_le_quiet(float32, float32, float_status *status);
+int float32_lt_quiet(float32, float32, float_status *status);
+int float32_unordered_quiet(float32, float32, float_status *status);
+int float32_compare(float32, float32, float_status *status);
+int float32_compare_quiet(float32, float32, float_status *status);
+float32 float32_min(float32, float32, float_status *status);
+float32 float32_max(float32, float32, float_status *status);
+float32 float32_minnum(float32, float32, float_status *status);
+float32 float32_maxnum(float32, float32, float_status *status);
+float32 float32_minnummag(float32, float32, float_status *status);
+float32 float32_maxnummag(float32, float32, float_status *status);
+int float32_is_quiet_nan( float32 );
+int float32_is_signaling_nan( float32 );
+float32 float32_maybe_silence_nan( float32 );
+float32 float32_scalbn(float32, int, float_status *status);
+
+static inline float32 float32_abs(float32 a)
+{
+    /* Note that abs does *not* handle NaN specially, nor does
+     * it flush denormal inputs to zero.
+     */
+    return make_float32(float32_val(a) & 0x7fffffff);
+}
+
+static inline float32 float32_chs(float32 a)
+{
+    /* Note that chs does *not* handle NaN specially, nor does
+     * it flush denormal inputs to zero.
+     */
+    return make_float32(float32_val(a) ^ 0x80000000);
+}
+
+static inline int float32_is_infinity(float32 a)
+{
+    return (float32_val(a) & 0x7fffffff) == 0x7f800000;
+}
+
+static inline int float32_is_neg(float32 a)
+{
+    return float32_val(a) >> 31;
+}
+
+static inline int float32_is_zero(float32 a)
+{
+    return (float32_val(a) & 0x7fffffff) == 0;
+}
+
+static inline int float32_is_any_nan(float32 a)
+{
+    return ((float32_val(a) & ~(1 << 31)) > 0x7f800000UL);
+}
+
+static inline int float32_is_zero_or_denormal(float32 a)
+{
+    return (float32_val(a) & 0x7f800000) == 0;
+}
+
+static inline float32 float32_set_sign(float32 a, int sign)
+{
+    return make_float32((float32_val(a) & 0x7fffffff) | (sign << 31));
+}
+
+#define float32_zero make_float32(0)
+#define float32_one make_float32(0x3f800000)
+#define float32_ln2 make_float32(0x3f317218)
+#define float32_pi make_float32(0x40490fdb)
+#define float32_half make_float32(0x3f000000)
+#define float32_infinity make_float32(0x7f800000)
+
+
+/*----------------------------------------------------------------------------
+| The pattern for a default generated single-precision NaN.
+*----------------------------------------------------------------------------*/
+extern const float32 float32_default_nan;
+
+/*----------------------------------------------------------------------------
+| Software IEC/IEEE double-precision conversion routines.
+*----------------------------------------------------------------------------*/
+int_fast16_t float64_to_int16(float64, float_status *status);
+uint_fast16_t float64_to_uint16(float64, float_status *status);
+int_fast16_t float64_to_int16_round_to_zero(float64, float_status *status);
+uint_fast16_t float64_to_uint16_round_to_zero(float64, float_status *status);
+int32 float64_to_int32(float64, float_status *status);
+int32 float64_to_int32_round_to_zero(float64, float_status *status);
+uint32 float64_to_uint32(float64, float_status *status);
+uint32 float64_to_uint32_round_to_zero(float64, float_status *status);
+int64 float64_to_int64(float64, float_status *status);
+int64 float64_to_int64_round_to_zero(float64, float_status *status);
+uint64 float64_to_uint64(float64 a, float_status *status);
+uint64 float64_to_uint64_round_to_zero(float64 a, float_status *status);
+float32 float64_to_float32(float64, float_status *status);
+floatx80 float64_to_floatx80(float64, float_status *status);
+float128 float64_to_float128(float64, float_status *status);
+
+/*----------------------------------------------------------------------------
+| Software IEC/IEEE double-precision operations.
+*----------------------------------------------------------------------------*/
+float64 float64_round_to_int(float64, float_status *status);
+float64 float64_trunc_to_int(float64, float_status *status);
+float64 float64_add(float64, float64, float_status *status);
+float64 float64_sub(float64, float64, float_status *status);
+float64 float64_mul(float64, float64, float_status *status);
+float64 float64_div(float64, float64, float_status *status);
+float64 float64_rem(float64, float64, float_status *status);
+float64 float64_muladd(float64, float64, float64, int, float_status *status);
+float64 float64_sqrt(float64, float_status *status);
+float64 float64_log2(float64, float_status *status);
+int float64_eq(float64, float64, float_status *status);
+int float64_le(float64, float64, float_status *status);
+int float64_lt(float64, float64, float_status *status);
+int float64_unordered(float64, float64, float_status *status);
+int float64_eq_quiet(float64, float64, float_status *status);
+int float64_le_quiet(float64, float64, float_status *status);
+int float64_lt_quiet(float64, float64, float_status *status);
+int float64_unordered_quiet(float64, float64, float_status *status);
+int float64_compare(float64, float64, float_status *status);
+int float64_compare_quiet(float64, float64, float_status *status);
+float64 float64_min(float64, float64, float_status *status);
+float64 float64_max(float64, float64, float_status *status);
+float64 float64_minnum(float64, float64, float_status *status);
+float64 float64_maxnum(float64, float64, float_status *status);
+float64 float64_minnummag(float64, float64, float_status *status);
+float64 float64_maxnummag(float64, float64, float_status *status);
+int float64_is_quiet_nan( float64 a );
+int float64_is_signaling_nan( float64 );
+float64 float64_maybe_silence_nan( float64 );
+float64 float64_scalbn(float64, int, float_status *status);
+
+static inline float64 float64_abs(float64 a)
+{
+    /* Note that abs does *not* handle NaN specially, nor does
+     * it flush denormal inputs to zero.
+     */
+    return make_float64(float64_val(a) & 0x7fffffffffffffffLL);
+}
+
+static inline float64 float64_chs(float64 a)
+{
+    /* Note that chs does *not* handle NaN specially, nor does
+     * it flush denormal inputs to zero.
+     */
+    return make_float64(float64_val(a) ^ 0x8000000000000000LL);
+}
+
+static inline int float64_is_infinity(float64 a)
+{
+    return (float64_val(a) & 0x7fffffffffffffffLL ) == 0x7ff0000000000000LL;
+}
+
+static inline int float64_is_neg(float64 a)
+{
+    return float64_val(a) >> 63;
+}
+
+static inline int float64_is_zero(float64 a)
+{
+    return (float64_val(a) & 0x7fffffffffffffffLL) == 0;
+}
+
+static inline int float64_is_any_nan(float64 a)
+{
+    return ((float64_val(a) & ~(1ULL << 63)) > 0x7ff0000000000000ULL);
+}
+
+static inline int float64_is_zero_or_denormal(float64 a)
+{
+    return (float64_val(a) & 0x7ff0000000000000LL) == 0;
+}
+
+static inline float64 float64_set_sign(float64 a, int sign)
+{
+    return make_float64((float64_val(a) & 0x7fffffffffffffffULL)
+                        | ((int64_t)sign << 63));
+}
+
+#define float64_zero make_float64(0)
+#define float64_one make_float64(0x3ff0000000000000LL)
+#define float64_ln2 make_float64(0x3fe62e42fefa39efLL)
+#define float64_pi make_float64(0x400921fb54442d18LL)
+#define float64_half make_float64(0x3fe0000000000000LL)
+#define float64_infinity make_float64(0x7ff0000000000000LL)
+
+/*----------------------------------------------------------------------------
+| The pattern for a default generated double-precision NaN.
+*----------------------------------------------------------------------------*/
+extern const float64 float64_default_nan;
+
+/*----------------------------------------------------------------------------
+| Software IEC/IEEE extended double-precision conversion routines.
+*----------------------------------------------------------------------------*/
+int32 floatx80_to_int32(floatx80, float_status *status);
+int32 floatx80_to_int32_round_to_zero(floatx80, float_status *status);
+int64 floatx80_to_int64(floatx80, float_status *status);
+int64 floatx80_to_int64_round_to_zero(floatx80, float_status *status);
+float32 floatx80_to_float32(floatx80, float_status *status);
+float64 floatx80_to_float64(floatx80, float_status *status);
+float128 floatx80_to_float128(floatx80, float_status *status);
+
+/*----------------------------------------------------------------------------
+| Software IEC/IEEE extended double-precision operations.
+*----------------------------------------------------------------------------*/
+floatx80 floatx80_round_to_int(floatx80, float_status *status);
+floatx80 floatx80_add(floatx80, floatx80, float_status *status);
+floatx80 floatx80_sub(floatx80, floatx80, float_status *status);
+floatx80 floatx80_mul(floatx80, floatx80, float_status *status);
+floatx80 floatx80_div(floatx80, floatx80, float_status *status);
+floatx80 floatx80_rem(floatx80, floatx80, float_status *status);
+floatx80 floatx80_sqrt(floatx80, float_status *status);
+int floatx80_eq(floatx80, floatx80, float_status *status);
+int floatx80_le(floatx80, floatx80, float_status *status);
+int floatx80_lt(floatx80, floatx80, float_status *status);
+int floatx80_unordered(floatx80, floatx80, float_status *status);
+int floatx80_eq_quiet(floatx80, floatx80, float_status *status);
+int floatx80_le_quiet(floatx80, floatx80, float_status *status);
+int floatx80_lt_quiet(floatx80, floatx80, float_status *status);
+int floatx80_unordered_quiet(floatx80, floatx80, float_status *status);
+int floatx80_compare(floatx80, floatx80, float_status *status);
+int floatx80_compare_quiet(floatx80, floatx80, float_status *status);
+int floatx80_is_quiet_nan( floatx80 );
+int floatx80_is_signaling_nan( floatx80 );
+floatx80 floatx80_maybe_silence_nan( floatx80 );
+floatx80 floatx80_scalbn(floatx80, int, float_status *status);
+
+static inline floatx80 floatx80_abs(floatx80 a)
+{
+    a.high &= 0x7fff;
+    return a;
+}
+
+static inline floatx80 floatx80_chs(floatx80 a)
+{
+    a.high ^= 0x8000;
+    return a;
+}
+
+static inline int floatx80_is_infinity(floatx80 a)
+{
+    return (a.high & 0x7fff) == 0x7fff && a.low == 0x8000000000000000LL;
+}
+
+static inline int floatx80_is_neg(floatx80 a)
+{
+    return a.high >> 15;
+}
+
+static inline int floatx80_is_zero(floatx80 a)
+{
+    return (a.high & 0x7fff) == 0 && a.low == 0;
+}
+
+static inline int floatx80_is_zero_or_denormal(floatx80 a)
+{
+    return (a.high & 0x7fff) == 0;
+}
+
+static inline int floatx80_is_any_nan(floatx80 a)
+{
+    return ((a.high & 0x7fff) == 0x7fff) && (a.low<<1);
+}
+
+#define floatx80_zero make_floatx80(0x0000, 0x0000000000000000LL)
+#define floatx80_one make_floatx80(0x3fff, 0x8000000000000000LL)
+#define floatx80_ln2 make_floatx80(0x3ffe, 0xb17217f7d1cf79acLL)
+#define floatx80_pi make_floatx80(0x4000, 0xc90fdaa22168c235LL)
+#define floatx80_half make_floatx80(0x3ffe, 0x8000000000000000LL)
+#define floatx80_infinity make_floatx80(0x7fff, 0x8000000000000000LL)
+
+/*----------------------------------------------------------------------------
+| The pattern for a default generated extended double-precision NaN.
+*----------------------------------------------------------------------------*/
+extern const floatx80 floatx80_default_nan;
+
+/*----------------------------------------------------------------------------
+| Software IEC/IEEE quadruple-precision conversion routines.
+*----------------------------------------------------------------------------*/
+int32 float128_to_int32(float128, float_status *status);
+int32 float128_to_int32_round_to_zero(float128, float_status *status);
+int64 float128_to_int64(float128, float_status *status);
+int64 float128_to_int64_round_to_zero(float128, float_status *status);
+float32 float128_to_float32(float128, float_status *status);
+float64 float128_to_float64(float128, float_status *status);
+floatx80 float128_to_floatx80(float128, float_status *status);
+
+/*----------------------------------------------------------------------------
+| Software IEC/IEEE quadruple-precision operations.
+*----------------------------------------------------------------------------*/
+float128 float128_round_to_int(float128, float_status *status);
+float128 float128_add(float128, float128, float_status *status);
+float128 float128_sub(float128, float128, float_status *status);
+float128 float128_mul(float128, float128, float_status *status);
+float128 float128_div(float128, float128, float_status *status);
+float128 float128_rem(float128, float128, float_status *status);
+float128 float128_sqrt(float128, float_status *status);
+int float128_eq(float128, float128, float_status *status);
+int float128_le(float128, float128, float_status *status);
+int float128_lt(float128, float128, float_status *status);
+int float128_unordered(float128, float128, float_status *status);
+int float128_eq_quiet(float128, float128, float_status *status);
+int float128_le_quiet(float128, float128, float_status *status);
+int float128_lt_quiet(float128, float128, float_status *status);
+int float128_unordered_quiet(float128, float128, float_status *status);
+int float128_compare(float128, float128, float_status *status);
+int float128_compare_quiet(float128, float128, float_status *status);
+int float128_is_quiet_nan( float128 );
+int float128_is_signaling_nan( float128 );
+float128 float128_maybe_silence_nan( float128 );
+float128 float128_scalbn(float128, int, float_status *status);
+
+static inline float128 float128_abs(float128 a)
+{
+    a.high &= 0x7fffffffffffffffLL;
+    return a;
+}
+
+static inline float128 float128_chs(float128 a)
+{
+    a.high ^= 0x8000000000000000LL;
+    return a;
+}
+
+static inline int float128_is_infinity(float128 a)
+{
+    return (a.high & 0x7fffffffffffffffLL) == 0x7fff000000000000LL && a.low == 0;
+}
+
+static inline int float128_is_neg(float128 a)
+{
+    return a.high >> 63;
+}
+
+static inline int float128_is_zero(float128 a)
+{
+    return (a.high & 0x7fffffffffffffffLL) == 0 && a.low == 0;
+}
+
+static inline int float128_is_zero_or_denormal(float128 a)
+{
+    return (a.high & 0x7fff000000000000LL) == 0;
+}
+
+static inline int float128_is_any_nan(float128 a)
+{
+    return ((a.high >> 48) & 0x7fff) == 0x7fff &&
+        ((a.low != 0) || ((a.high & 0xffffffffffffLL) != 0));
+}
+
+#define float128_zero make_float128(0, 0)
+
+/*----------------------------------------------------------------------------
+| The pattern for a default generated quadruple-precision NaN.
+*----------------------------------------------------------------------------*/
+extern const float128 float128_default_nan;
+
+#endif /* !SOFTFLOAT_H */