QEMU_CFLAGS="-Wall -Wundef -Wwrite-strings -Wmissing-prototypes $QEMU_CFLAGS"
QEMU_CFLAGS="-Wstrict-prototypes -Wredundant-decls $QEMU_CFLAGS"
QEMU_CFLAGS="-D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE $QEMU_CFLAGS"
-QEMU_INCLUDES="-I. -I\$(SRC_PATH) -I\$(SRC_PATH)/include -I\$(SRC_PATH)/fpu"
+QEMU_INCLUDES="-I. -I\$(SRC_PATH) -I\$(SRC_PATH)/include"
if test "$debug_info" = "yes"; then
CFLAGS="-g $CFLAGS"
LDFLAGS="-g $LDFLAGS"
*/
#include "config.h"
-#include "softfloat.h"
+#include "fpu/softfloat.h"
/*----------------------------------------------------------------------------
| Primitive arithmetic functions, including multi-word arithmetic, and
+++ /dev/null
-/*
- * QEMU float support
- *
- * Derived from SoftFloat.
- */
-
-/*============================================================================
-
-This C header file is part of the SoftFloat IEC/IEEE Floating-point Arithmetic
-Package, Release 2b.
-
-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://www.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 ALL LOSSES,
-COSTS, OR OTHER PROBLEMS THEY INCUR DUE TO THE SOFTWARE, AND WHO FURTHERMORE
-EFFECTIVELY INDEMNIFY JOHN HAUSER AND THE INTERNATIONAL COMPUTER SCIENCE
-INSTITUTE (possibly via similar legal warning) AGAINST ALL LOSSES, COSTS, OR
-OTHER PROBLEMS INCURRED BY THEIR CUSTOMERS AND CLIENTS DUE TO THE SOFTWARE.
-
-Derivative works are acceptable, even for commercial purposes, so long as
-(1) the source code for the derivative work includes prominent notice that
-the work is derivative, and (2) the source code includes prominent notice with
-these four paragraphs for those parts of this code that are retained.
-
-=============================================================================*/
-
-#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
-#define INLINE static inline
-
-#define STATUS_PARAM , float_status *status
-#define STATUS(field) status->field
-#define STATUS_VAR , status
-
-/*----------------------------------------------------------------------------
-| 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
-};
-
-/*----------------------------------------------------------------------------
-| 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;
-
-void set_float_rounding_mode(int val STATUS_PARAM);
-void set_float_exception_flags(int val STATUS_PARAM);
-INLINE void set_float_detect_tininess(int val STATUS_PARAM)
-{
- STATUS(float_detect_tininess) = val;
-}
-INLINE void set_flush_to_zero(flag val STATUS_PARAM)
-{
- STATUS(flush_to_zero) = val;
-}
-INLINE void set_flush_inputs_to_zero(flag val STATUS_PARAM)
-{
- STATUS(flush_inputs_to_zero) = val;
-}
-INLINE void set_default_nan_mode(flag val STATUS_PARAM)
-{
- STATUS(default_nan_mode) = val;
-}
-INLINE int get_float_exception_flags(float_status *status)
-{
- return STATUS(float_exception_flags);
-}
-void set_floatx80_rounding_precision(int val STATUS_PARAM);
-
-/*----------------------------------------------------------------------------
-| Routine to raise any or all of the software IEC/IEEE floating-point
-| exception flags.
-*----------------------------------------------------------------------------*/
-void float_raise( int8 flags STATUS_PARAM);
-
-/*----------------------------------------------------------------------------
-| 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.
-*----------------------------------------------------------------------------*/
-enum {
- float_muladd_negate_c = 1,
- float_muladd_negate_product = 2,
- float_muladd_negate_result = 4,
-};
-
-/*----------------------------------------------------------------------------
-| Software IEC/IEEE integer-to-floating-point conversion routines.
-*----------------------------------------------------------------------------*/
-float32 int32_to_float32( int32 STATUS_PARAM );
-float64 int32_to_float64( int32 STATUS_PARAM );
-float32 uint32_to_float32( uint32 STATUS_PARAM );
-float64 uint32_to_float64( uint32 STATUS_PARAM );
-floatx80 int32_to_floatx80( int32 STATUS_PARAM );
-float128 int32_to_float128( int32 STATUS_PARAM );
-float32 int64_to_float32( int64 STATUS_PARAM );
-float32 uint64_to_float32( uint64 STATUS_PARAM );
-float64 int64_to_float64( int64 STATUS_PARAM );
-float64 uint64_to_float64( uint64 STATUS_PARAM );
-floatx80 int64_to_floatx80( int64 STATUS_PARAM );
-float128 int64_to_float128( int64 STATUS_PARAM );
-
-/*----------------------------------------------------------------------------
-| Software half-precision conversion routines.
-*----------------------------------------------------------------------------*/
-float16 float32_to_float16( float32, flag STATUS_PARAM );
-float32 float16_to_float32( float16, flag STATUS_PARAM );
-
-/*----------------------------------------------------------------------------
-| Software half-precision operations.
-*----------------------------------------------------------------------------*/
-int float16_is_quiet_nan( float16 );
-int float16_is_signaling_nan( float16 );
-float16 float16_maybe_silence_nan( float16 );
-
-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_round_to_zero(float32 STATUS_PARAM);
-uint_fast16_t float32_to_uint16_round_to_zero(float32 STATUS_PARAM);
-int32 float32_to_int32( float32 STATUS_PARAM );
-int32 float32_to_int32_round_to_zero( float32 STATUS_PARAM );
-uint32 float32_to_uint32( float32 STATUS_PARAM );
-uint32 float32_to_uint32_round_to_zero( float32 STATUS_PARAM );
-int64 float32_to_int64( float32 STATUS_PARAM );
-int64 float32_to_int64_round_to_zero( float32 STATUS_PARAM );
-float64 float32_to_float64( float32 STATUS_PARAM );
-floatx80 float32_to_floatx80( float32 STATUS_PARAM );
-float128 float32_to_float128( float32 STATUS_PARAM );
-
-/*----------------------------------------------------------------------------
-| Software IEC/IEEE single-precision operations.
-*----------------------------------------------------------------------------*/
-float32 float32_round_to_int( float32 STATUS_PARAM );
-float32 float32_add( float32, float32 STATUS_PARAM );
-float32 float32_sub( float32, float32 STATUS_PARAM );
-float32 float32_mul( float32, float32 STATUS_PARAM );
-float32 float32_div( float32, float32 STATUS_PARAM );
-float32 float32_rem( float32, float32 STATUS_PARAM );
-float32 float32_muladd(float32, float32, float32, int STATUS_PARAM);
-float32 float32_sqrt( float32 STATUS_PARAM );
-float32 float32_exp2( float32 STATUS_PARAM );
-float32 float32_log2( float32 STATUS_PARAM );
-int float32_eq( float32, float32 STATUS_PARAM );
-int float32_le( float32, float32 STATUS_PARAM );
-int float32_lt( float32, float32 STATUS_PARAM );
-int float32_unordered( float32, float32 STATUS_PARAM );
-int float32_eq_quiet( float32, float32 STATUS_PARAM );
-int float32_le_quiet( float32, float32 STATUS_PARAM );
-int float32_lt_quiet( float32, float32 STATUS_PARAM );
-int float32_unordered_quiet( float32, float32 STATUS_PARAM );
-int float32_compare( float32, float32 STATUS_PARAM );
-int float32_compare_quiet( float32, float32 STATUS_PARAM );
-float32 float32_min(float32, float32 STATUS_PARAM);
-float32 float32_max(float32, float32 STATUS_PARAM);
-int float32_is_quiet_nan( float32 );
-int float32_is_signaling_nan( float32 );
-float32 float32_maybe_silence_nan( float32 );
-float32 float32_scalbn( float32, int STATUS_PARAM );
-
-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);
-}
-
-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);
-}
-
-INLINE int float32_is_infinity(float32 a)
-{
- return (float32_val(a) & 0x7fffffff) == 0x7f800000;
-}
-
-INLINE int float32_is_neg(float32 a)
-{
- return float32_val(a) >> 31;
-}
-
-INLINE int float32_is_zero(float32 a)
-{
- return (float32_val(a) & 0x7fffffff) == 0;
-}
-
-INLINE int float32_is_any_nan(float32 a)
-{
- return ((float32_val(a) & ~(1 << 31)) > 0x7f800000UL);
-}
-
-INLINE int float32_is_zero_or_denormal(float32 a)
-{
- return (float32_val(a) & 0x7f800000) == 0;
-}
-
-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_round_to_zero(float64 STATUS_PARAM);
-uint_fast16_t float64_to_uint16_round_to_zero(float64 STATUS_PARAM);
-int32 float64_to_int32( float64 STATUS_PARAM );
-int32 float64_to_int32_round_to_zero( float64 STATUS_PARAM );
-uint32 float64_to_uint32( float64 STATUS_PARAM );
-uint32 float64_to_uint32_round_to_zero( float64 STATUS_PARAM );
-int64 float64_to_int64( float64 STATUS_PARAM );
-int64 float64_to_int64_round_to_zero( float64 STATUS_PARAM );
-uint64 float64_to_uint64 (float64 a STATUS_PARAM);
-uint64 float64_to_uint64_round_to_zero (float64 a STATUS_PARAM);
-float32 float64_to_float32( float64 STATUS_PARAM );
-floatx80 float64_to_floatx80( float64 STATUS_PARAM );
-float128 float64_to_float128( float64 STATUS_PARAM );
-
-/*----------------------------------------------------------------------------
-| Software IEC/IEEE double-precision operations.
-*----------------------------------------------------------------------------*/
-float64 float64_round_to_int( float64 STATUS_PARAM );
-float64 float64_trunc_to_int( float64 STATUS_PARAM );
-float64 float64_add( float64, float64 STATUS_PARAM );
-float64 float64_sub( float64, float64 STATUS_PARAM );
-float64 float64_mul( float64, float64 STATUS_PARAM );
-float64 float64_div( float64, float64 STATUS_PARAM );
-float64 float64_rem( float64, float64 STATUS_PARAM );
-float64 float64_muladd(float64, float64, float64, int STATUS_PARAM);
-float64 float64_sqrt( float64 STATUS_PARAM );
-float64 float64_log2( float64 STATUS_PARAM );
-int float64_eq( float64, float64 STATUS_PARAM );
-int float64_le( float64, float64 STATUS_PARAM );
-int float64_lt( float64, float64 STATUS_PARAM );
-int float64_unordered( float64, float64 STATUS_PARAM );
-int float64_eq_quiet( float64, float64 STATUS_PARAM );
-int float64_le_quiet( float64, float64 STATUS_PARAM );
-int float64_lt_quiet( float64, float64 STATUS_PARAM );
-int float64_unordered_quiet( float64, float64 STATUS_PARAM );
-int float64_compare( float64, float64 STATUS_PARAM );
-int float64_compare_quiet( float64, float64 STATUS_PARAM );
-float64 float64_min(float64, float64 STATUS_PARAM);
-float64 float64_max(float64, float64 STATUS_PARAM);
-int float64_is_quiet_nan( float64 a );
-int float64_is_signaling_nan( float64 );
-float64 float64_maybe_silence_nan( float64 );
-float64 float64_scalbn( float64, int STATUS_PARAM );
-
-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);
-}
-
-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);
-}
-
-INLINE int float64_is_infinity(float64 a)
-{
- return (float64_val(a) & 0x7fffffffffffffffLL ) == 0x7ff0000000000000LL;
-}
-
-INLINE int float64_is_neg(float64 a)
-{
- return float64_val(a) >> 63;
-}
-
-INLINE int float64_is_zero(float64 a)
-{
- return (float64_val(a) & 0x7fffffffffffffffLL) == 0;
-}
-
-INLINE int float64_is_any_nan(float64 a)
-{
- return ((float64_val(a) & ~(1ULL << 63)) > 0x7ff0000000000000ULL);
-}
-
-INLINE int float64_is_zero_or_denormal(float64 a)
-{
- return (float64_val(a) & 0x7ff0000000000000LL) == 0;
-}
-
-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 STATUS_PARAM );
-int32 floatx80_to_int32_round_to_zero( floatx80 STATUS_PARAM );
-int64 floatx80_to_int64( floatx80 STATUS_PARAM );
-int64 floatx80_to_int64_round_to_zero( floatx80 STATUS_PARAM );
-float32 floatx80_to_float32( floatx80 STATUS_PARAM );
-float64 floatx80_to_float64( floatx80 STATUS_PARAM );
-float128 floatx80_to_float128( floatx80 STATUS_PARAM );
-
-/*----------------------------------------------------------------------------
-| Software IEC/IEEE extended double-precision operations.
-*----------------------------------------------------------------------------*/
-floatx80 floatx80_round_to_int( floatx80 STATUS_PARAM );
-floatx80 floatx80_add( floatx80, floatx80 STATUS_PARAM );
-floatx80 floatx80_sub( floatx80, floatx80 STATUS_PARAM );
-floatx80 floatx80_mul( floatx80, floatx80 STATUS_PARAM );
-floatx80 floatx80_div( floatx80, floatx80 STATUS_PARAM );
-floatx80 floatx80_rem( floatx80, floatx80 STATUS_PARAM );
-floatx80 floatx80_sqrt( floatx80 STATUS_PARAM );
-int floatx80_eq( floatx80, floatx80 STATUS_PARAM );
-int floatx80_le( floatx80, floatx80 STATUS_PARAM );
-int floatx80_lt( floatx80, floatx80 STATUS_PARAM );
-int floatx80_unordered( floatx80, floatx80 STATUS_PARAM );
-int floatx80_eq_quiet( floatx80, floatx80 STATUS_PARAM );
-int floatx80_le_quiet( floatx80, floatx80 STATUS_PARAM );
-int floatx80_lt_quiet( floatx80, floatx80 STATUS_PARAM );
-int floatx80_unordered_quiet( floatx80, floatx80 STATUS_PARAM );
-int floatx80_compare( floatx80, floatx80 STATUS_PARAM );
-int floatx80_compare_quiet( floatx80, floatx80 STATUS_PARAM );
-int floatx80_is_quiet_nan( floatx80 );
-int floatx80_is_signaling_nan( floatx80 );
-floatx80 floatx80_maybe_silence_nan( floatx80 );
-floatx80 floatx80_scalbn( floatx80, int STATUS_PARAM );
-
-INLINE floatx80 floatx80_abs(floatx80 a)
-{
- a.high &= 0x7fff;
- return a;
-}
-
-INLINE floatx80 floatx80_chs(floatx80 a)
-{
- a.high ^= 0x8000;
- return a;
-}
-
-INLINE int floatx80_is_infinity(floatx80 a)
-{
- return (a.high & 0x7fff) == 0x7fff && a.low == 0x8000000000000000LL;
-}
-
-INLINE int floatx80_is_neg(floatx80 a)
-{
- return a.high >> 15;
-}
-
-INLINE int floatx80_is_zero(floatx80 a)
-{
- return (a.high & 0x7fff) == 0 && a.low == 0;
-}
-
-INLINE int floatx80_is_zero_or_denormal(floatx80 a)
-{
- return (a.high & 0x7fff) == 0;
-}
-
-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 STATUS_PARAM );
-int32 float128_to_int32_round_to_zero( float128 STATUS_PARAM );
-int64 float128_to_int64( float128 STATUS_PARAM );
-int64 float128_to_int64_round_to_zero( float128 STATUS_PARAM );
-float32 float128_to_float32( float128 STATUS_PARAM );
-float64 float128_to_float64( float128 STATUS_PARAM );
-floatx80 float128_to_floatx80( float128 STATUS_PARAM );
-
-/*----------------------------------------------------------------------------
-| Software IEC/IEEE quadruple-precision operations.
-*----------------------------------------------------------------------------*/
-float128 float128_round_to_int( float128 STATUS_PARAM );
-float128 float128_add( float128, float128 STATUS_PARAM );
-float128 float128_sub( float128, float128 STATUS_PARAM );
-float128 float128_mul( float128, float128 STATUS_PARAM );
-float128 float128_div( float128, float128 STATUS_PARAM );
-float128 float128_rem( float128, float128 STATUS_PARAM );
-float128 float128_sqrt( float128 STATUS_PARAM );
-int float128_eq( float128, float128 STATUS_PARAM );
-int float128_le( float128, float128 STATUS_PARAM );
-int float128_lt( float128, float128 STATUS_PARAM );
-int float128_unordered( float128, float128 STATUS_PARAM );
-int float128_eq_quiet( float128, float128 STATUS_PARAM );
-int float128_le_quiet( float128, float128 STATUS_PARAM );
-int float128_lt_quiet( float128, float128 STATUS_PARAM );
-int float128_unordered_quiet( float128, float128 STATUS_PARAM );
-int float128_compare( float128, float128 STATUS_PARAM );
-int float128_compare_quiet( float128, float128 STATUS_PARAM );
-int float128_is_quiet_nan( float128 );
-int float128_is_signaling_nan( float128 );
-float128 float128_maybe_silence_nan( float128 );
-float128 float128_scalbn( float128, int STATUS_PARAM );
-
-INLINE float128 float128_abs(float128 a)
-{
- a.high &= 0x7fffffffffffffffLL;
- return a;
-}
-
-INLINE float128 float128_chs(float128 a)
-{
- a.high ^= 0x8000000000000000LL;
- return a;
-}
-
-INLINE int float128_is_infinity(float128 a)
-{
- return (a.high & 0x7fffffffffffffffLL) == 0x7fff000000000000LL && a.low == 0;
-}
-
-INLINE int float128_is_neg(float128 a)
-{
- return a.high >> 63;
-}
-
-INLINE int float128_is_zero(float128 a)
-{
- return (a.high & 0x7fffffffffffffffLL) == 0 && a.low == 0;
-}
-
-INLINE int float128_is_zero_or_denormal(float128 a)
-{
- return (a.high & 0x7fff000000000000LL) == 0;
-}
-
-INLINE int float128_is_any_nan(float128 a)
-{
- return ((a.high >> 48) & 0x7fff) == 0x7fff &&
- ((a.low != 0) || ((a.high & 0xffffffffffffLL) != 0));
-}
-
-/*----------------------------------------------------------------------------
-| The pattern for a default generated quadruple-precision NaN.
-*----------------------------------------------------------------------------*/
-extern const float128 float128_default_nan;
-
-#endif /* !SOFTFLOAT_H */
--- /dev/null
+/*
+ * QEMU float support
+ *
+ * Derived from SoftFloat.
+ */
+
+/*============================================================================
+
+This C header file is part of the SoftFloat IEC/IEEE Floating-point Arithmetic
+Package, Release 2b.
+
+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://www.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 ALL LOSSES,
+COSTS, OR OTHER PROBLEMS THEY INCUR DUE TO THE SOFTWARE, AND WHO FURTHERMORE
+EFFECTIVELY INDEMNIFY JOHN HAUSER AND THE INTERNATIONAL COMPUTER SCIENCE
+INSTITUTE (possibly via similar legal warning) AGAINST ALL LOSSES, COSTS, OR
+OTHER PROBLEMS INCURRED BY THEIR CUSTOMERS AND CLIENTS DUE TO THE SOFTWARE.
+
+Derivative works are acceptable, even for commercial purposes, so long as
+(1) the source code for the derivative work includes prominent notice that
+the work is derivative, and (2) the source code includes prominent notice with
+these four paragraphs for those parts of this code that are retained.
+
+=============================================================================*/
+
+#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
+#define INLINE static inline
+
+#define STATUS_PARAM , float_status *status
+#define STATUS(field) status->field
+#define STATUS_VAR , status
+
+/*----------------------------------------------------------------------------
+| 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
+};
+
+/*----------------------------------------------------------------------------
+| 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;
+
+void set_float_rounding_mode(int val STATUS_PARAM);
+void set_float_exception_flags(int val STATUS_PARAM);
+INLINE void set_float_detect_tininess(int val STATUS_PARAM)
+{
+ STATUS(float_detect_tininess) = val;
+}
+INLINE void set_flush_to_zero(flag val STATUS_PARAM)
+{
+ STATUS(flush_to_zero) = val;
+}
+INLINE void set_flush_inputs_to_zero(flag val STATUS_PARAM)
+{
+ STATUS(flush_inputs_to_zero) = val;
+}
+INLINE void set_default_nan_mode(flag val STATUS_PARAM)
+{
+ STATUS(default_nan_mode) = val;
+}
+INLINE int get_float_exception_flags(float_status *status)
+{
+ return STATUS(float_exception_flags);
+}
+void set_floatx80_rounding_precision(int val STATUS_PARAM);
+
+/*----------------------------------------------------------------------------
+| Routine to raise any or all of the software IEC/IEEE floating-point
+| exception flags.
+*----------------------------------------------------------------------------*/
+void float_raise( int8 flags STATUS_PARAM);
+
+/*----------------------------------------------------------------------------
+| 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.
+*----------------------------------------------------------------------------*/
+enum {
+ float_muladd_negate_c = 1,
+ float_muladd_negate_product = 2,
+ float_muladd_negate_result = 4,
+};
+
+/*----------------------------------------------------------------------------
+| Software IEC/IEEE integer-to-floating-point conversion routines.
+*----------------------------------------------------------------------------*/
+float32 int32_to_float32( int32 STATUS_PARAM );
+float64 int32_to_float64( int32 STATUS_PARAM );
+float32 uint32_to_float32( uint32 STATUS_PARAM );
+float64 uint32_to_float64( uint32 STATUS_PARAM );
+floatx80 int32_to_floatx80( int32 STATUS_PARAM );
+float128 int32_to_float128( int32 STATUS_PARAM );
+float32 int64_to_float32( int64 STATUS_PARAM );
+float32 uint64_to_float32( uint64 STATUS_PARAM );
+float64 int64_to_float64( int64 STATUS_PARAM );
+float64 uint64_to_float64( uint64 STATUS_PARAM );
+floatx80 int64_to_floatx80( int64 STATUS_PARAM );
+float128 int64_to_float128( int64 STATUS_PARAM );
+
+/*----------------------------------------------------------------------------
+| Software half-precision conversion routines.
+*----------------------------------------------------------------------------*/
+float16 float32_to_float16( float32, flag STATUS_PARAM );
+float32 float16_to_float32( float16, flag STATUS_PARAM );
+
+/*----------------------------------------------------------------------------
+| Software half-precision operations.
+*----------------------------------------------------------------------------*/
+int float16_is_quiet_nan( float16 );
+int float16_is_signaling_nan( float16 );
+float16 float16_maybe_silence_nan( float16 );
+
+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_round_to_zero(float32 STATUS_PARAM);
+uint_fast16_t float32_to_uint16_round_to_zero(float32 STATUS_PARAM);
+int32 float32_to_int32( float32 STATUS_PARAM );
+int32 float32_to_int32_round_to_zero( float32 STATUS_PARAM );
+uint32 float32_to_uint32( float32 STATUS_PARAM );
+uint32 float32_to_uint32_round_to_zero( float32 STATUS_PARAM );
+int64 float32_to_int64( float32 STATUS_PARAM );
+int64 float32_to_int64_round_to_zero( float32 STATUS_PARAM );
+float64 float32_to_float64( float32 STATUS_PARAM );
+floatx80 float32_to_floatx80( float32 STATUS_PARAM );
+float128 float32_to_float128( float32 STATUS_PARAM );
+
+/*----------------------------------------------------------------------------
+| Software IEC/IEEE single-precision operations.
+*----------------------------------------------------------------------------*/
+float32 float32_round_to_int( float32 STATUS_PARAM );
+float32 float32_add( float32, float32 STATUS_PARAM );
+float32 float32_sub( float32, float32 STATUS_PARAM );
+float32 float32_mul( float32, float32 STATUS_PARAM );
+float32 float32_div( float32, float32 STATUS_PARAM );
+float32 float32_rem( float32, float32 STATUS_PARAM );
+float32 float32_muladd(float32, float32, float32, int STATUS_PARAM);
+float32 float32_sqrt( float32 STATUS_PARAM );
+float32 float32_exp2( float32 STATUS_PARAM );
+float32 float32_log2( float32 STATUS_PARAM );
+int float32_eq( float32, float32 STATUS_PARAM );
+int float32_le( float32, float32 STATUS_PARAM );
+int float32_lt( float32, float32 STATUS_PARAM );
+int float32_unordered( float32, float32 STATUS_PARAM );
+int float32_eq_quiet( float32, float32 STATUS_PARAM );
+int float32_le_quiet( float32, float32 STATUS_PARAM );
+int float32_lt_quiet( float32, float32 STATUS_PARAM );
+int float32_unordered_quiet( float32, float32 STATUS_PARAM );
+int float32_compare( float32, float32 STATUS_PARAM );
+int float32_compare_quiet( float32, float32 STATUS_PARAM );
+float32 float32_min(float32, float32 STATUS_PARAM);
+float32 float32_max(float32, float32 STATUS_PARAM);
+int float32_is_quiet_nan( float32 );
+int float32_is_signaling_nan( float32 );
+float32 float32_maybe_silence_nan( float32 );
+float32 float32_scalbn( float32, int STATUS_PARAM );
+
+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);
+}
+
+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);
+}
+
+INLINE int float32_is_infinity(float32 a)
+{
+ return (float32_val(a) & 0x7fffffff) == 0x7f800000;
+}
+
+INLINE int float32_is_neg(float32 a)
+{
+ return float32_val(a) >> 31;
+}
+
+INLINE int float32_is_zero(float32 a)
+{
+ return (float32_val(a) & 0x7fffffff) == 0;
+}
+
+INLINE int float32_is_any_nan(float32 a)
+{
+ return ((float32_val(a) & ~(1 << 31)) > 0x7f800000UL);
+}
+
+INLINE int float32_is_zero_or_denormal(float32 a)
+{
+ return (float32_val(a) & 0x7f800000) == 0;
+}
+
+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_round_to_zero(float64 STATUS_PARAM);
+uint_fast16_t float64_to_uint16_round_to_zero(float64 STATUS_PARAM);
+int32 float64_to_int32( float64 STATUS_PARAM );
+int32 float64_to_int32_round_to_zero( float64 STATUS_PARAM );
+uint32 float64_to_uint32( float64 STATUS_PARAM );
+uint32 float64_to_uint32_round_to_zero( float64 STATUS_PARAM );
+int64 float64_to_int64( float64 STATUS_PARAM );
+int64 float64_to_int64_round_to_zero( float64 STATUS_PARAM );
+uint64 float64_to_uint64 (float64 a STATUS_PARAM);
+uint64 float64_to_uint64_round_to_zero (float64 a STATUS_PARAM);
+float32 float64_to_float32( float64 STATUS_PARAM );
+floatx80 float64_to_floatx80( float64 STATUS_PARAM );
+float128 float64_to_float128( float64 STATUS_PARAM );
+
+/*----------------------------------------------------------------------------
+| Software IEC/IEEE double-precision operations.
+*----------------------------------------------------------------------------*/
+float64 float64_round_to_int( float64 STATUS_PARAM );
+float64 float64_trunc_to_int( float64 STATUS_PARAM );
+float64 float64_add( float64, float64 STATUS_PARAM );
+float64 float64_sub( float64, float64 STATUS_PARAM );
+float64 float64_mul( float64, float64 STATUS_PARAM );
+float64 float64_div( float64, float64 STATUS_PARAM );
+float64 float64_rem( float64, float64 STATUS_PARAM );
+float64 float64_muladd(float64, float64, float64, int STATUS_PARAM);
+float64 float64_sqrt( float64 STATUS_PARAM );
+float64 float64_log2( float64 STATUS_PARAM );
+int float64_eq( float64, float64 STATUS_PARAM );
+int float64_le( float64, float64 STATUS_PARAM );
+int float64_lt( float64, float64 STATUS_PARAM );
+int float64_unordered( float64, float64 STATUS_PARAM );
+int float64_eq_quiet( float64, float64 STATUS_PARAM );
+int float64_le_quiet( float64, float64 STATUS_PARAM );
+int float64_lt_quiet( float64, float64 STATUS_PARAM );
+int float64_unordered_quiet( float64, float64 STATUS_PARAM );
+int float64_compare( float64, float64 STATUS_PARAM );
+int float64_compare_quiet( float64, float64 STATUS_PARAM );
+float64 float64_min(float64, float64 STATUS_PARAM);
+float64 float64_max(float64, float64 STATUS_PARAM);
+int float64_is_quiet_nan( float64 a );
+int float64_is_signaling_nan( float64 );
+float64 float64_maybe_silence_nan( float64 );
+float64 float64_scalbn( float64, int STATUS_PARAM );
+
+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);
+}
+
+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);
+}
+
+INLINE int float64_is_infinity(float64 a)
+{
+ return (float64_val(a) & 0x7fffffffffffffffLL ) == 0x7ff0000000000000LL;
+}
+
+INLINE int float64_is_neg(float64 a)
+{
+ return float64_val(a) >> 63;
+}
+
+INLINE int float64_is_zero(float64 a)
+{
+ return (float64_val(a) & 0x7fffffffffffffffLL) == 0;
+}
+
+INLINE int float64_is_any_nan(float64 a)
+{
+ return ((float64_val(a) & ~(1ULL << 63)) > 0x7ff0000000000000ULL);
+}
+
+INLINE int float64_is_zero_or_denormal(float64 a)
+{
+ return (float64_val(a) & 0x7ff0000000000000LL) == 0;
+}
+
+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 STATUS_PARAM );
+int32 floatx80_to_int32_round_to_zero( floatx80 STATUS_PARAM );
+int64 floatx80_to_int64( floatx80 STATUS_PARAM );
+int64 floatx80_to_int64_round_to_zero( floatx80 STATUS_PARAM );
+float32 floatx80_to_float32( floatx80 STATUS_PARAM );
+float64 floatx80_to_float64( floatx80 STATUS_PARAM );
+float128 floatx80_to_float128( floatx80 STATUS_PARAM );
+
+/*----------------------------------------------------------------------------
+| Software IEC/IEEE extended double-precision operations.
+*----------------------------------------------------------------------------*/
+floatx80 floatx80_round_to_int( floatx80 STATUS_PARAM );
+floatx80 floatx80_add( floatx80, floatx80 STATUS_PARAM );
+floatx80 floatx80_sub( floatx80, floatx80 STATUS_PARAM );
+floatx80 floatx80_mul( floatx80, floatx80 STATUS_PARAM );
+floatx80 floatx80_div( floatx80, floatx80 STATUS_PARAM );
+floatx80 floatx80_rem( floatx80, floatx80 STATUS_PARAM );
+floatx80 floatx80_sqrt( floatx80 STATUS_PARAM );
+int floatx80_eq( floatx80, floatx80 STATUS_PARAM );
+int floatx80_le( floatx80, floatx80 STATUS_PARAM );
+int floatx80_lt( floatx80, floatx80 STATUS_PARAM );
+int floatx80_unordered( floatx80, floatx80 STATUS_PARAM );
+int floatx80_eq_quiet( floatx80, floatx80 STATUS_PARAM );
+int floatx80_le_quiet( floatx80, floatx80 STATUS_PARAM );
+int floatx80_lt_quiet( floatx80, floatx80 STATUS_PARAM );
+int floatx80_unordered_quiet( floatx80, floatx80 STATUS_PARAM );
+int floatx80_compare( floatx80, floatx80 STATUS_PARAM );
+int floatx80_compare_quiet( floatx80, floatx80 STATUS_PARAM );
+int floatx80_is_quiet_nan( floatx80 );
+int floatx80_is_signaling_nan( floatx80 );
+floatx80 floatx80_maybe_silence_nan( floatx80 );
+floatx80 floatx80_scalbn( floatx80, int STATUS_PARAM );
+
+INLINE floatx80 floatx80_abs(floatx80 a)
+{
+ a.high &= 0x7fff;
+ return a;
+}
+
+INLINE floatx80 floatx80_chs(floatx80 a)
+{
+ a.high ^= 0x8000;
+ return a;
+}
+
+INLINE int floatx80_is_infinity(floatx80 a)
+{
+ return (a.high & 0x7fff) == 0x7fff && a.low == 0x8000000000000000LL;
+}
+
+INLINE int floatx80_is_neg(floatx80 a)
+{
+ return a.high >> 15;
+}
+
+INLINE int floatx80_is_zero(floatx80 a)
+{
+ return (a.high & 0x7fff) == 0 && a.low == 0;
+}
+
+INLINE int floatx80_is_zero_or_denormal(floatx80 a)
+{
+ return (a.high & 0x7fff) == 0;
+}
+
+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 STATUS_PARAM );
+int32 float128_to_int32_round_to_zero( float128 STATUS_PARAM );
+int64 float128_to_int64( float128 STATUS_PARAM );
+int64 float128_to_int64_round_to_zero( float128 STATUS_PARAM );
+float32 float128_to_float32( float128 STATUS_PARAM );
+float64 float128_to_float64( float128 STATUS_PARAM );
+floatx80 float128_to_floatx80( float128 STATUS_PARAM );
+
+/*----------------------------------------------------------------------------
+| Software IEC/IEEE quadruple-precision operations.
+*----------------------------------------------------------------------------*/
+float128 float128_round_to_int( float128 STATUS_PARAM );
+float128 float128_add( float128, float128 STATUS_PARAM );
+float128 float128_sub( float128, float128 STATUS_PARAM );
+float128 float128_mul( float128, float128 STATUS_PARAM );
+float128 float128_div( float128, float128 STATUS_PARAM );
+float128 float128_rem( float128, float128 STATUS_PARAM );
+float128 float128_sqrt( float128 STATUS_PARAM );
+int float128_eq( float128, float128 STATUS_PARAM );
+int float128_le( float128, float128 STATUS_PARAM );
+int float128_lt( float128, float128 STATUS_PARAM );
+int float128_unordered( float128, float128 STATUS_PARAM );
+int float128_eq_quiet( float128, float128 STATUS_PARAM );
+int float128_le_quiet( float128, float128 STATUS_PARAM );
+int float128_lt_quiet( float128, float128 STATUS_PARAM );
+int float128_unordered_quiet( float128, float128 STATUS_PARAM );
+int float128_compare( float128, float128 STATUS_PARAM );
+int float128_compare_quiet( float128, float128 STATUS_PARAM );
+int float128_is_quiet_nan( float128 );
+int float128_is_signaling_nan( float128 );
+float128 float128_maybe_silence_nan( float128 );
+float128 float128_scalbn( float128, int STATUS_PARAM );
+
+INLINE float128 float128_abs(float128 a)
+{
+ a.high &= 0x7fffffffffffffffLL;
+ return a;
+}
+
+INLINE float128 float128_chs(float128 a)
+{
+ a.high ^= 0x8000000000000000LL;
+ return a;
+}
+
+INLINE int float128_is_infinity(float128 a)
+{
+ return (a.high & 0x7fffffffffffffffLL) == 0x7fff000000000000LL && a.low == 0;
+}
+
+INLINE int float128_is_neg(float128 a)
+{
+ return a.high >> 63;
+}
+
+INLINE int float128_is_zero(float128 a)
+{
+ return (a.high & 0x7fffffffffffffffLL) == 0 && a.low == 0;
+}
+
+INLINE int float128_is_zero_or_denormal(float128 a)
+{
+ return (a.high & 0x7fff000000000000LL) == 0;
+}
+
+INLINE int float128_is_any_nan(float128 a)
+{
+ return ((a.high >> 48) & 0x7fff) == 0x7fff &&
+ ((a.low != 0) || ((a.high & 0xffffffffffffLL) != 0));
+}
+
+/*----------------------------------------------------------------------------
+| The pattern for a default generated quadruple-precision NaN.
+*----------------------------------------------------------------------------*/
+extern const float128 float128_default_nan;
+
+#endif /* !SOFTFLOAT_H */
#include "config-host.h"
#include <inttypes.h>
-#include "softfloat.h"
+#include "fpu/softfloat.h"
#ifdef CONFIG_MACHINE_BSWAP_H
#include <sys/endian.h>
*/
#include "fpa11.h"
-#include "softfloat.h"
+#include "fpu/softfloat.h"
#include "fpopcode.h"
float64 float64_exp(float64 Fm);
*/
#include "fpa11.h"
-#include "softfloat.h"
+#include "fpu/softfloat.h"
#include "fpopcode.h"
floatx80 floatx80_exp(floatx80 Fm);
/* includes */
#include "fpsr.h" /* FP control and status register definitions */
-#include "softfloat.h"
+#include "fpu/softfloat.h"
#define typeNone 0x00
#define typeSingle 0x01
*/
#include "fpa11.h"
-#include "softfloat.h"
+#include "fpu/softfloat.h"
#include "fpopcode.h"
//#include "fpmodule.h"
//#include "fpmodule.inl"
*/
#include "fpa11.h"
-#include "softfloat.h"
+#include "fpu/softfloat.h"
#include "fpopcode.h"
#include "fpa11.inl"
//#include "fpmodule.h"
*/
#include "fpa11.h"
-#include "softfloat.h"
+#include "fpu/softfloat.h"
#include "fpopcode.h"
#include "fpsr.h"
//#include "fpmodule.h"
*/
#include "fpa11.h"
-#include "softfloat.h"
+#include "fpu/softfloat.h"
#include "fpopcode.h"
float32 float32_exp(float32 Fm);
#include "exec/cpu-defs.h"
-#include "softfloat.h"
+#include "fpu/softfloat.h"
#define TARGET_HAS_ICE 1
#include "cpu.h"
#include "helper.h"
-#include "softfloat.h"
+#include "fpu/softfloat.h"
#define FP_STATUS (env->fp_status)
#include <stdio.h>
#include "cpu.h"
-#include "softfloat.h"
+#include "fpu/softfloat.h"
#include "helper.h"
uint64_t cpu_alpha_load_fpcr (CPUAlphaState *env)
}
#if defined(CONFIG_SOFTFLOAT_INLINE)
- /* ??? The "softfloat.h" interface is to call set_float_rounding_mode.
+ /* ??? The "fpu/softfloat.h" interface is to call set_float_rounding_mode.
With CONFIG_SOFTFLOAT that expands to an out-of-line call that just
sets the one field. */
tcg_gen_st8_i32(tmp, cpu_env,
#include "qemu-common.h"
#include "exec/cpu-defs.h"
-#include "softfloat.h"
+#include "fpu/softfloat.h"
#define TARGET_HAS_ICE 1
#include "exec/cpu-defs.h"
-#include "softfloat.h"
+#include "fpu/softfloat.h"
#define R_EAX 0
#define R_ECX 1
#include "qemu-common.h"
#include "exec/cpu-defs.h"
-#include "softfloat.h"
+#include "fpu/softfloat.h"
#define MAX_QREGS 32
#define CPUArchState struct CPUMBState
#include "exec/cpu-defs.h"
-#include "softfloat.h"
+#include "fpu/softfloat.h"
struct CPUMBState;
typedef struct CPUMBState CPUMBState;
#if !defined(CONFIG_USER_ONLY)
#include "qemu-common.h"
#include "mips-defs.h"
#include "exec/cpu-defs.h"
-#include "softfloat.h"
+#include "fpu/softfloat.h"
struct CPUMIPSState;
#include "config.h"
#include "qemu-common.h"
#include "exec/cpu-defs.h"
-#include "softfloat.h"
+#include "fpu/softfloat.h"
#include "qom/cpu.h"
#include "qapi/error.h"
#include "exec/cpu-defs.h"
-#include "softfloat.h"
+#include "fpu/softfloat.h"
#define TARGET_HAS_ICE 1
#include "exec/cpu-all.h"
-#include "softfloat.h"
+#include "fpu/softfloat.h"
#define NB_MMU_MODES 3
#include "exec/cpu-defs.h"
-#include "softfloat.h"
+#include "fpu/softfloat.h"
#define TARGET_PAGE_BITS 12 /* 4k XXXXX */
void cpu_load_tlb(CPUSH4State * env);
-#include "softfloat.h"
-
static inline CPUSH4State *cpu_init(const char *cpu_model)
{
SuperHCPU *cpu = cpu_sh4_init(cpu_model);
#include "exec/cpu-defs.h"
-#include "softfloat.h"
+#include "fpu/softfloat.h"
#define TARGET_HAS_ICE 1
#include "config.h"
#include "qemu-common.h"
#include "exec/cpu-defs.h"
-#include "softfloat.h"
+#include "fpu/softfloat.h"
#define NB_MMU_MODES 2
projects / qemu.git / commitdiff