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Diffstat (limited to 'lib/builtins/floatunsidf.c')
-rw-r--r--lib/builtins/floatunsidf.c51
1 files changed, 24 insertions, 27 deletions
diff --git a/lib/builtins/floatunsidf.c b/lib/builtins/floatunsidf.c
index 75cf6b9177df..2c01c3041434 100644
--- a/lib/builtins/floatunsidf.c
+++ b/lib/builtins/floatunsidf.c
@@ -1,9 +1,8 @@
//===-- lib/floatunsidf.c - uint -> double-precision 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
//
//===----------------------------------------------------------------------===//
//
@@ -18,33 +17,31 @@
#include "int_lib.h"
-COMPILER_RT_ABI fp_t
-__floatunsidf(unsigned int a) {
-
- const int aWidth = sizeof a * CHAR_BIT;
-
- // Handle zero as a special case to protect clz
- if (a == 0) return fromRep(0);
-
- // Exponent of (fp_t)a is the width of abs(a).
- const int exponent = (aWidth - 1) - __builtin_clz(a);
- rep_t result;
-
- // Shift a into the significand field and clear the implicit bit.
- const int shift = significandBits - exponent;
- result = (rep_t)a << shift ^ implicitBit;
-
- // Insert the exponent
- result += (rep_t)(exponent + exponentBias) << significandBits;
- return fromRep(result);
+COMPILER_RT_ABI fp_t __floatunsidf(unsigned int a) {
+
+ const int aWidth = sizeof a * CHAR_BIT;
+
+ // Handle zero as a special case to protect clz
+ if (a == 0)
+ return fromRep(0);
+
+ // Exponent of (fp_t)a is the width of abs(a).
+ const int exponent = (aWidth - 1) - __builtin_clz(a);
+ rep_t result;
+
+ // Shift a into the significand field and clear the implicit bit.
+ const int shift = significandBits - exponent;
+ result = (rep_t)a << shift ^ implicitBit;
+
+ // Insert the exponent
+ result += (rep_t)(exponent + exponentBias) << significandBits;
+ return fromRep(result);
}
#if defined(__ARM_EABI__)
#if defined(COMPILER_RT_ARMHF_TARGET)
-AEABI_RTABI fp_t __aeabi_ui2d(unsigned int a) {
- return __floatunsidf(a);
-}
+AEABI_RTABI fp_t __aeabi_ui2d(unsigned int a) { return __floatunsidf(a); }
#else
-AEABI_RTABI fp_t __aeabi_ui2d(unsigned int a) COMPILER_RT_ALIAS(__floatunsidf);
+COMPILER_RT_ALIAS(__floatunsidf, __aeabi_ui2d)
#endif
#endif