1 files changed, 101 insertions, 0 deletions
diff --git a/lib/libutils/isoc/arch/arm/softfloat/source/f128M_to_extF80M.c b/lib/libutils/isoc/arch/arm/softfloat/source/f128M_to_extF80M.c
new file mode 100644
index 0000000..463009d
--- /dev/null
+++ b/lib/libutils/isoc/arch/arm/softfloat/source/f128M_to_extF80M.c
@@ -0,0 +1,101 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3a, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014 The Regents of the University of California.
+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 University 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 REGENTS 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 REGENTS 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.
+
+=============================================================================*/
+
+#include <stdbool.h>
+#include <stdint.h>
+#include "platform.h"
+#include "internals.h"
+#include "specialize.h"
+#include "softfloat.h"
+
+#ifdef SOFTFLOAT_FAST_INT64
+
+void f128M_to_extF80M( const float128_t *aPtr, extFloat80_t *zPtr )
+{
+
+    *zPtr = f128_to_extF80( *aPtr );
+
+}
+
+#else
+
+void f128M_to_extF80M( const float128_t *aPtr, extFloat80_t *zPtr )
+{
+    const uint32_t *aWPtr;
+    struct extFloat80M *zSPtr;
+    uint32_t uiA96;
+    bool sign;
+    int32_t exp;
+    struct commonNaN commonNaN;
+    uint32_t sig[4];
+
+    /*------------------------------------------------------------------------
+    *------------------------------------------------------------------------*/
+    aWPtr = (const uint32_t *) aPtr;
+    zSPtr = (struct extFloat80M *) zPtr;
+    /*------------------------------------------------------------------------
+    *------------------------------------------------------------------------*/
+    uiA96 = aWPtr[indexWordHi( 4 )];
+    sign = signF128UI96( uiA96 );
+    exp  = expF128UI96( uiA96 );
+    /*------------------------------------------------------------------------
+    *------------------------------------------------------------------------*/
+    if ( exp == 0x7FFF ) {
+        if ( softfloat_isNaNF128M( aWPtr ) ) {
+            softfloat_f128MToCommonNaN( aWPtr, &commonNaN );
+            softfloat_commonNaNToExtF80M( &commonNaN, zSPtr );
+            return;
+        }
+        zSPtr->signExp = packToExtF80UI64( sign, 0x7FFF );
+        zSPtr->signif = UINT64_C( 0x8000000000000000 );
+        return;
+    }
+    /*------------------------------------------------------------------------
+    *------------------------------------------------------------------------*/
+    exp = softfloat_shiftNormSigF128M( aWPtr, 15, sig );
+    if ( exp == -128 ) {
+        zSPtr->signExp = packToExtF80UI64( sign, 0 );
+        zSPtr->signif = 0;
+        return;
+    }
+    if ( sig[indexWord( 4, 0 )] ) sig[indexWord( 4, 1 )] |= 1;
+    softfloat_roundPackMToExtF80M(
+        sign, exp, &sig[indexMultiwordHi( 4, 3 )], 80, zSPtr );
+
+}
+
+#endif
+