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| author | Jordan Rupprecht <rupprecht@google.com> | 2019-05-14 21:58:59 +0000 |
|---|---|---|
| committer | Jordan Rupprecht <rupprecht@google.com> | 2019-05-14 21:58:59 +0000 |
| commit | b6bc976d7be8ee56d3be4b6dbd2f3ab0a4021c86 (patch) | |
| tree | f5ed5db8cb5d237a073ea00c4d4cd63153a16a6c /lib/builtins/i386/lshrdi3.S | |
| parent | 05342ccc9cff16425c0a831fddd510879544a0bf (diff) | |
| parent | 098ca93185735ec3687106d0967a70fc99a85059 (diff) | |
| download | compiler-rt-b6bc976d7be8ee56d3be4b6dbd2f3ab0a4021c86.tar.gz | |
Creating branches/google/stable and tags/google/stable/2019-05-14 from r360103google/stable
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/branches/google/stable@360714 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/builtins/i386/lshrdi3.S')
| -rw-r--r-- | lib/builtins/i386/lshrdi3.S | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/lib/builtins/i386/lshrdi3.S b/lib/builtins/i386/lshrdi3.S index 53e95cf76..896633e85 100644 --- a/lib/builtins/i386/lshrdi3.S +++ b/lib/builtins/i386/lshrdi3.S @@ -1,5 +1,6 @@ -// 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 #include "../assembly.h" @@ -41,14 +42,14 @@ DEFINE_COMPILERRT_FUNCTION(__lshrdi3) movl 12(%esp), %ecx // Load count movl 8(%esp), %edx // Load high movl 4(%esp), %eax // Load low - + testl $0x20, %ecx // If count >= 32 jnz 1f // goto 1 shrdl %cl, %edx, %eax // right shift low by count shrl %cl, %edx // right shift high by count ret - + 1: movl %edx, %eax // Move high to low xorl %edx, %edx // clear high shrl %cl, %eax // shift low by count - 32 |