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authorAnton Samokhvalov <pg83@yandex.ru>2022-02-10 16:45:17 +0300
committerDaniil Cherednik <dcherednik@yandex-team.ru>2022-02-10 16:45:17 +0300
commitd3a398281c6fd1d3672036cb2d63f842d2cb28c5 (patch)
treedd4bd3ca0f36b817e96812825ffaf10d645803f2 /contrib/libs/cxxsupp/builtins/floatunsisf.c
parent72cb13b4aff9bc9cf22e49251bc8fd143f82538f (diff)
downloadydb-d3a398281c6fd1d3672036cb2d63f842d2cb28c5.tar.gz
Restoring authorship annotation for Anton Samokhvalov <pg83@yandex.ru>. Commit 2 of 2.
Diffstat (limited to 'contrib/libs/cxxsupp/builtins/floatunsisf.c')
-rw-r--r--contrib/libs/cxxsupp/builtins/floatunsisf.c100
1 files changed, 50 insertions, 50 deletions
diff --git a/contrib/libs/cxxsupp/builtins/floatunsisf.c b/contrib/libs/cxxsupp/builtins/floatunsisf.c
index 54073a29da..ea6f161adc 100644
--- a/contrib/libs/cxxsupp/builtins/floatunsisf.c
+++ b/contrib/libs/cxxsupp/builtins/floatunsisf.c
@@ -1,50 +1,50 @@
-//===-- lib/floatunsisf.c - uint -> 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.
-//
-//===----------------------------------------------------------------------===//
-//
-// This file implements unsigned integer to single-precision conversion for the
-// compiler-rt library in the IEEE-754 default round-to-nearest, ties-to-even
-// mode.
-//
-//===----------------------------------------------------------------------===//
-
-#define SINGLE_PRECISION
-#include "fp_lib.h"
-
-#include "int_lib.h"
-
-ARM_EABI_FNALIAS(ui2f, floatunsisf)
-
-COMPILER_RT_ABI fp_t
-__floatunsisf(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, 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;
- return fromRep(result);
-}
+//===-- lib/floatunsisf.c - uint -> 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.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file implements unsigned integer to single-precision conversion for the
+// compiler-rt library in the IEEE-754 default round-to-nearest, ties-to-even
+// mode.
+//
+//===----------------------------------------------------------------------===//
+
+#define SINGLE_PRECISION
+#include "fp_lib.h"
+
+#include "int_lib.h"
+
+ARM_EABI_FNALIAS(ui2f, floatunsisf)
+
+COMPILER_RT_ABI fp_t
+__floatunsisf(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, 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;
+ return fromRep(result);
+}