1 files changed, 97 insertions, 0 deletions
diff --git a/lib/libutils/isoc/arch/arm/softfloat/source/f128M_to_ui64_r_minMag.c b/lib/libutils/isoc/arch/arm/softfloat/source/f128M_to_ui64_r_minMag.c
new file mode 100644
index 0000000..1c4f3ec
--- /dev/null
+++ b/lib/libutils/isoc/arch/arm/softfloat/source/f128M_to_ui64_r_minMag.c
@@ -0,0 +1,97 @@
+
+/*============================================================================
+
+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 "softfloat.h"
+
+#ifdef SOFTFLOAT_FAST_INT64
+
+uint_fast64_t f128M_to_ui64_r_minMag( const float128_t *aPtr, bool exact )
+{
+
+    return f128_to_ui64_r_minMag( *aPtr, exact );
+
+}
+
+#else
+
+uint_fast64_t f128M_to_ui64_r_minMag( const float128_t *aPtr, bool exact )
+{
+    const uint32_t *aWPtr;
+    uint32_t uiA96;
+    int32_t exp, shiftCount;
+    uint32_t sig96, sig[4];
+    uint64_t z;
+
+    aWPtr = (const uint32_t *) aPtr;
+    uiA96 = aWPtr[indexWordHi( 4 )];
+    exp = expF128UI96( uiA96 );
+    shiftCount = 0x403E - exp;
+    if ( shiftCount < 0 ) goto invalid;
+    if ( exact ) {
+        sig96 = fracF128UI96( uiA96 );
+        if ( exp ) sig96 |= 0x00010000;
+        sig[indexWord( 4, 3 )] = sig96;
+        sig[indexWord( 4, 2 )] = aWPtr[indexWord( 4, 2 )];
+        sig[indexWord( 4, 1 )] = aWPtr[indexWord( 4, 1 )];
+        sig[indexWord( 4, 0 )] = aWPtr[indexWord( 4, 0 )];
+        softfloat_shiftRightJam128M( sig, shiftCount + 17, sig );
+        z = (uint64_t) sig[indexWord( 4, 2 )]<<32 | sig[indexWord( 4, 1 )];
+        if ( signF128UI96( uiA96 ) && z ) goto invalid;
+        if ( sig[indexWordLo( 4 )] ) {
+            softfloat_exceptionFlags |= softfloat_flag_inexact;
+        }
+    } else {
+        if ( 64 <= shiftCount ) return 0;
+        if ( signF128UI96( uiA96 ) ) goto invalid;
+        z =   UINT64_C( 0x8000000000000000 )
+            | (uint64_t) fracF128UI96( uiA96 )<<47
+            | (uint64_t) aWPtr[indexWord( 4, 2 )]<<15
+            | aWPtr[indexWord( 4, 1 )]>>17;
+        z >>= shiftCount;
+    }
+    return z;
+ invalid:
+    softfloat_raiseFlags( softfloat_flag_invalid );
+    return UINT64_C( 0xFFFFFFFFFFFFFFFF );
+
+}
+
+#endif
+