vendor/compiler-rt/compiler-rt-trunk-r366426

1 files changed, 42 insertions, 44 deletions

diff --git a/lib/builtins/floatsisf.c b/lib/builtins/floatsisf.c
index bf087ee3c295..fe060407755b 100644
--- a/lib/builtins/floatsisf.c
+++ b/lib/builtins/floatsisf.c
@@ -1,9 +1,8 @@
 //===-- lib/floatsisf.c - integer -> single-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
 //
 //===----------------------------------------------------------------------===//
 //
@@ -18,50 +17,49 @@
 
 #include "int_lib.h"
 
-COMPILER_RT_ABI fp_t
-__floatsisf(int a) {
-    
-    const int aWidth = sizeof a * CHAR_BIT;
-    
-    // Handle zero as a special case to protect clz
-    if (a == 0)
-        return fromRep(0);
-    
-    // All other cases begin by extracting the sign and absolute value of a
-    rep_t sign = 0;
-    if (a < 0) {
-        sign = signBit;
-        a = -a;
-    }
-    
-    // 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, rounding if it is a right-shift
-    if (exponent <= significandBits) {
-        const int shift = significandBits - exponent;
-        result = (rep_t)a << shift ^ implicitBit;
-    } else {
-        const int shift = exponent - significandBits;
-        result = (rep_t)a >> shift ^ implicitBit;
-        rep_t round = (rep_t)a << (typeWidth - shift);
-        if (round > signBit) result++;
-        if (round == signBit) result += result & 1;
-    }
-    
-    // Insert the exponent
-    result += (rep_t)(exponent + exponentBias) << significandBits;
-    // Insert the sign bit and return
-    return fromRep(result | sign);
+COMPILER_RT_ABI fp_t __floatsisf(int a) {
+
+  const int aWidth = sizeof a * CHAR_BIT;
+
+  // Handle zero as a special case to protect clz
+  if (a == 0)
+    return fromRep(0);
+
+  // All other cases begin by extracting the sign and absolute value of a
+  rep_t sign = 0;
+  if (a < 0) {
+    sign = signBit;
+    a = -a;
+  }
+
+  // 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, rounding if it is a right-shift
+  if (exponent <= significandBits) {
+    const int shift = significandBits - exponent;
+    result = (rep_t)a << shift ^ implicitBit;
+  } else {
+    const int shift = exponent - significandBits;
+    result = (rep_t)a >> shift ^ implicitBit;
+    rep_t round = (rep_t)a << (typeWidth - shift);
+    if (round > signBit)
+      result++;
+    if (round == signBit)
+      result += result & 1;
+  }
+
+  // Insert the exponent
+  result += (rep_t)(exponent + exponentBias) << significandBits;
+  // Insert the sign bit and return
+  return fromRep(result | sign);
 }
 
 #if defined(__ARM_EABI__)
 #if defined(COMPILER_RT_ARMHF_TARGET)
-AEABI_RTABI fp_t __aeabi_i2f(int a) {
-  return __floatsisf(a);
-}
+AEABI_RTABI fp_t __aeabi_i2f(int a) { return __floatsisf(a); }
 #else
-AEABI_RTABI fp_t __aeabi_i2f(int a) COMPILER_RT_ALIAS(__floatsisf);
+COMPILER_RT_ALIAS(__floatsisf, __aeabi_i2f)
 #endif
 #endif