diff options
Diffstat (limited to 'lib/builtins/arm/addsf3.S')
| -rw-r--r-- | lib/builtins/arm/addsf3.S | 37 |
1 files changed, 18 insertions, 19 deletions
diff --git a/lib/builtins/arm/addsf3.S b/lib/builtins/arm/addsf3.S index 74723cbef..aa4d40473 100644 --- a/lib/builtins/arm/addsf3.S +++ b/lib/builtins/arm/addsf3.S @@ -1,17 +1,16 @@ -/*===-- addsf3.S - Adds two single precision floating pointer numbers-----===// - * - * 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 the __addsf3 (single precision floating pointer number - * addition with the IEEE-754 default rounding (to nearest, ties to even) - * function for the ARM Thumb1 ISA. - * - *===----------------------------------------------------------------------===*/ +//===-- addsf3.S - Adds two single precision floating pointer numbers-----===// +// +// 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 +// +//===----------------------------------------------------------------------===// +// +// This file implements the __addsf3 (single precision floating pointer number +// addition with the IEEE-754 default rounding (to nearest, ties to even) +// function for the ARM Thumb1 ISA. +// +//===----------------------------------------------------------------------===// #include "../assembly.h" #define significandBits 23 @@ -29,9 +28,9 @@ DEFINE_COMPILERRT_THUMB_FUNCTION(__addsf3) // Get the absolute value of a and b. lsls r2, r0, #1 lsls r3, r1, #1 - lsrs r2, r2, #1 /* aAbs */ + lsrs r2, r2, #1 // aAbs beq LOCAL_LABEL(a_zero_nan_inf) - lsrs r3, r3, #1 /* bAbs */ + lsrs r3, r3, #1 // bAbs beq LOCAL_LABEL(zero_nan_inf) // Detect if a or b is infinity or Nan. @@ -55,9 +54,9 @@ LOCAL_LABEL(no_swap): // Get the significands and shift them to give us round, guard and sticky. lsls r4, r0, #(typeWidth - significandBits) - lsrs r4, r4, #(typeWidth - significandBits - 3) /* aSignificand << 3 */ + lsrs r4, r4, #(typeWidth - significandBits - 3) // aSignificand << 3 lsls r5, r1, #(typeWidth - significandBits) - lsrs r5, r5, #(typeWidth - significandBits - 3) /* bSignificand << 3 */ + lsrs r5, r5, #(typeWidth - significandBits - 3) // bSignificand << 3 // Get the implicitBit. movs r6, #1 @@ -199,7 +198,7 @@ LOCAL_LABEL(do_substraction): beq 1f movs r7, #1 1: - lsrs r4, r6 /* aSignificand >> shift */ + lsrs r4, r6 // aSignificand >> shift orrs r4, r7 b LOCAL_LABEL(form_result) |