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| author | Dino Li <Dino.Li@ite.com.tw> | 2018-10-29 11:14:00 +0800 |
|---|---|---|
| committer | chrome-bot <chrome-bot@chromium.org> | 2018-10-31 00:54:24 -0700 |
| commit | 8a617f05b98c0d5bac6bb373751df937a249bdb8 (patch) | |
| tree | 8b08f367244bb08bc5e7627e9de4da6dfecffa3a /core/nds32/__udivdi3.S | |
| parent | 42199efde3735743a03846cc905aa4fb5fb1d470 (diff) | |
| download | chrome-ec-8a617f05b98c0d5bac6bb373751df937a249bdb8.tar.gz | |
nds32: Add 64-bit divide library routines for N8 CPU
Taken from NDS32 CPU's library routines.
Signed-off-by: Dino Li <dino.li@ite.com.tw>
BRANCH=none
BUG=b:115501243
TEST=Add a debug console command to see if 64-bit division
works as expected.
Change-Id: I3ba47a24a1bb60fd7fb57321b177e603a0e7712b
Reviewed-on: https://chromium-review.googlesource.com/1296430
Commit-Ready: Dino Li <Dino.Li@ite.com.tw>
Tested-by: Dino Li <Dino.Li@ite.com.tw>
Reviewed-by: Jonathan Brandmeyer <jbrandmeyer@chromium.org>
Diffstat (limited to 'core/nds32/__udivdi3.S')
| -rw-r--r-- | core/nds32/__udivdi3.S | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/core/nds32/__udivdi3.S b/core/nds32/__udivdi3.S new file mode 100644 index 0000000000..4cb3b058fe --- /dev/null +++ b/core/nds32/__udivdi3.S @@ -0,0 +1,15 @@ +/* Copyright 2018 The Chromium OS Authors. All rights reserved. + * Use of this source code is governed by a BSD-style license that can be + * found in the LICENSE file. + * + * __udivdi3.S: unsigned 64 bit division + */ + + .text + .align 2 + .globl __udivdi3 + .type __udivdi3, @function +__udivdi3: + movi $r4, 0 ! ignore remainder + b __udivmoddi4 + .size __udivdi3, .-__udivdi3 |