1 files changed, 106 insertions, 0 deletions
diff --git a/lib/libutils/isoc/arch/arm/softfloat/source/8086-SSE/s_propagateNaNExtF80UI.c b/lib/libutils/isoc/arch/arm/softfloat/source/8086-SSE/s_propagateNaNExtF80UI.c
new file mode 100644
index 0000000..16f4251
--- /dev/null
+++ b/lib/libutils/isoc/arch/arm/softfloat/source/8086-SSE/s_propagateNaNExtF80UI.c
@@ -0,0 +1,106 @@
+
+/*============================================================================
+
+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"
+
+/*----------------------------------------------------------------------------
+| Interpreting the unsigned integer formed from concatenating `uiA64' and
+| `uiA0' as an 80-bit extended floating-point value, and likewise interpreting
+| the unsigned integer formed from concatenating `uiB64' and `uiB0' as another
+| 80-bit extended floating-point value, and assuming at least on of these
+| floating-point values is a NaN, returns the bit pattern of the combined NaN
+| result.  If either original floating-point value is a signaling NaN, the
+| invalid exception is raised.
+*----------------------------------------------------------------------------*/
+struct uint128
+ softfloat_propagateNaNExtF80UI(
+     uint_fast16_t uiA64,
+     uint_fast64_t uiA0,
+     uint_fast16_t uiB64,
+     uint_fast64_t uiB0
+ )
+{
+    bool isSigNaNA, isSigNaNB;
+    uint_fast64_t uiNonsigA0, uiNonsigB0;
+    uint_fast16_t uiMagA64, uiMagB64;
+    struct uint128 uiZ;
+
+    /*------------------------------------------------------------------------
+    *------------------------------------------------------------------------*/
+    isSigNaNA = softfloat_isSigNaNExtF80UI( uiA64, uiA0 );
+    isSigNaNB = softfloat_isSigNaNExtF80UI( uiB64, uiB0 );
+    /*------------------------------------------------------------------------
+    | Make NaNs non-signaling.
+    *------------------------------------------------------------------------*/
+    uiNonsigA0 = uiA0 | UINT64_C( 0xC000000000000000 );
+    uiNonsigB0 = uiB0 | UINT64_C( 0xC000000000000000 );
+    /*------------------------------------------------------------------------
+    *------------------------------------------------------------------------*/
+    if ( isSigNaNA | isSigNaNB ) {
+        softfloat_raiseFlags( softfloat_flag_invalid );
+        if ( isSigNaNA ) {
+            if ( isSigNaNB ) goto returnLargerMag;
+            if ( isNaNExtF80UI( uiB64, uiB0 ) ) goto returnB;
+            goto returnA;
+        } else {
+            if ( isNaNExtF80UI( uiA64, uiA0 ) ) goto returnA;
+            goto returnB;
+        }
+    }
+ returnLargerMag:
+    uiMagA64 = uiA64 & 0x7FFF;
+    uiMagB64 = uiB64 & 0x7FFF;
+    if ( uiMagA64 < uiMagB64 ) goto returnB;
+    if ( uiMagB64 < uiMagA64 ) goto returnA;
+    if ( uiNonsigA0 < uiNonsigB0 ) goto returnB;
+    if ( uiNonsigB0 < uiNonsigA0 ) goto returnA;
+    if ( uiA64 < uiB64 ) goto returnA;
+ returnB:
+    uiZ.v64 = uiB64;
+    uiZ.v0  = uiNonsigB0;
+    return uiZ;
+ returnA:
+    uiZ.v64 = uiA64;
+    uiZ.v0  = uiNonsigA0;
+    return uiZ;
+
+}
+