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Diffstat (limited to 'lib/builtins/fp_fixint_impl.inc')
-rw-r--r--lib/builtins/fp_fixint_impl.inc47
1 files changed, 23 insertions, 24 deletions
diff --git a/lib/builtins/fp_fixint_impl.inc b/lib/builtins/fp_fixint_impl.inc
index da70d4d39301..2196d712f05f 100644
--- a/lib/builtins/fp_fixint_impl.inc
+++ b/lib/builtins/fp_fixint_impl.inc
@@ -1,9 +1,8 @@
//===-- lib/fixdfsi.c - Double-precision -> integer conversion ----*- C -*-===//
//
-// The LLVM Compiler Infrastructure
-//
-// This file is dual licensed under the MIT and the University of Illinois Open
-// Source Licenses. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
@@ -15,27 +14,27 @@
#include "fp_lib.h"
static __inline fixint_t __fixint(fp_t a) {
- const fixint_t fixint_max = (fixint_t)((~(fixuint_t)0) / 2);
- const fixint_t fixint_min = -fixint_max - 1;
- // Break a into sign, exponent, significand
- const rep_t aRep = toRep(a);
- const rep_t aAbs = aRep & absMask;
- const fixint_t sign = aRep & signBit ? -1 : 1;
- const int exponent = (aAbs >> significandBits) - exponentBias;
- const rep_t significand = (aAbs & significandMask) | implicitBit;
+ const fixint_t fixint_max = (fixint_t)((~(fixuint_t)0) / 2);
+ const fixint_t fixint_min = -fixint_max - 1;
+ // Break a into sign, exponent, significand parts.
+ const rep_t aRep = toRep(a);
+ const rep_t aAbs = aRep & absMask;
+ const fixint_t sign = aRep & signBit ? -1 : 1;
+ const int exponent = (aAbs >> significandBits) - exponentBias;
+ const rep_t significand = (aAbs & significandMask) | implicitBit;
- // If exponent is negative, the result is zero.
- if (exponent < 0)
- return 0;
+ // If exponent is negative, the result is zero.
+ if (exponent < 0)
+ return 0;
- // If the value is too large for the integer type, saturate.
- if ((unsigned)exponent >= sizeof(fixint_t) * CHAR_BIT)
- return sign == 1 ? fixint_max : fixint_min;
+ // If the value is too large for the integer type, saturate.
+ if ((unsigned)exponent >= sizeof(fixint_t) * CHAR_BIT)
+ return sign == 1 ? fixint_max : fixint_min;
- // If 0 <= exponent < significandBits, right shift to get the result.
- // Otherwise, shift left.
- if (exponent < significandBits)
- return sign * (significand >> (significandBits - exponent));
- else
- return sign * ((fixint_t)significand << (exponent - significandBits));
+ // If 0 <= exponent < significandBits, right shift to get the result.
+ // Otherwise, shift left.
+ if (exponent < significandBits)
+ return sign * (significand >> (significandBits - exponent));
+ else
+ return sign * ((fixint_t)significand << (exponent - significandBits));
}