Adding upstream version 7.0.6-dfsg.upstream/7.0.6-dfsgupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 75 insertions, 0 deletions

diff --git a/src/libs/softfloat-3e/source/extF80_to_f128.c b/src/libs/softfloat-3e/source/extF80_to_f128.c
new file mode 100644
index 00000000..3e9a57d8
--- /dev/null
+++ b/src/libs/softfloat-3e/source/extF80_to_f128.c
@@ -0,0 +1,75 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3e, 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"
+
+float128_t extF80_to_f128( extFloat80_t a SOFTFLOAT_STATE_DECL_COMMA )
+{
+    union { struct extFloat80M s; extFloat80_t f; } uA;
+    uint_fast16_t uiA64;
+    uint_fast64_t uiA0;
+    uint_fast16_t exp;
+    uint_fast64_t frac;
+    struct commonNaN commonNaN;
+    struct uint128 uiZ;
+    bool sign;
+    struct uint128 frac128;
+    union ui128_f128 uZ;
+
+    uA.f = a;
+    uiA64 = uA.s.signExp;
+    uiA0  = uA.s.signif;
+    exp = expExtF80UI64( uiA64 );
+    frac = uiA0 & UINT64_C( 0x7FFFFFFFFFFFFFFF );
+    if ( (exp == 0x7FFF) && frac ) {
+        softfloat_extF80UIToCommonNaN( uiA64, uiA0, &commonNaN SOFTFLOAT_STATE_ARG_COMMA );
+        uiZ = softfloat_commonNaNToF128UI( &commonNaN );
+    } else {
+        sign = signExtF80UI64( uiA64 );
+        frac128 = softfloat_shortShiftLeft128( 0, frac, 49 );
+        uiZ.v64 = packToF128UI64( sign, exp, frac128.v64 );
+        uiZ.v0  = frac128.v0;
+    }
+    uZ.ui = uiZ;
+    return uZ.f;
+
+}
+