mirror of
https://gitlab.com/buildroot.org/buildroot.git
synced 2026-08-01 21:23:51 -09:00
e33010926c
Provide a fallback when native __int128 is not available. Fixes: https://autobuild.buildroot.org/results/39df217ad5a1036d5e606ae0e8291d885e9d0e1a/ Signed-off-by: Michael Nosthoff <buildroot@heine.tech> Signed-off-by: Julien Olivain <ju.o@free.fr>
43 lines
1.4 KiB
Diff
43 lines
1.4 KiB
Diff
From 588b3a0f8f6a8bcf2a959cae882d5b2703e86737 Mon Sep 17 00:00:00 2001
|
|
From: Vinay Kumar <vkslog69@gmail.com>
|
|
Date: Thu, 18 Jun 2026 12:22:12 +0530
|
|
Subject: [PATCH] Fix fallback uint128 bitwise not (#4813)
|
|
|
|
Upstream: https://github.com/fmtlib/fmt/commit/588b3a0f8f6a8bcf2a959cae882d5b2703e86737
|
|
Signed-off-by: Michael Nosthoff <buildroot@heine.tech>
|
|
---
|
|
include/fmt/format.h | 3 +++
|
|
test/format-test.cc | 5 +++++
|
|
2 files changed, 8 insertions(+)
|
|
|
|
diff --git a/include/fmt/format.h b/include/fmt/format.h
|
|
index 5044befdd863..570627922c62 100644
|
|
--- a/include/fmt/format.h
|
|
+++ b/include/fmt/format.h
|
|
@@ -326,6 +326,9 @@ class uint128 {
|
|
-> uint128 {
|
|
return {lhs.hi_ & rhs.hi_, lhs.lo_ & rhs.lo_};
|
|
}
|
|
+ friend constexpr auto operator~(const uint128& n) -> uint128 {
|
|
+ return {~n.hi_, ~n.lo_};
|
|
+ }
|
|
friend FMT_CONSTEXPR auto operator+(const uint128& lhs, const uint128& rhs)
|
|
-> uint128 {
|
|
auto result = uint128(lhs);
|
|
diff --git a/test/format-test.cc b/test/format-test.cc
|
|
index 9a2258d5921f..8c2670a19fc3 100644
|
|
--- a/test/format-test.cc
|
|
+++ b/test/format-test.cc
|
|
@@ -82,6 +82,11 @@ TEST(uint128_test, minus) {
|
|
EXPECT_EQ(n - 2, 40);
|
|
}
|
|
|
|
+TEST(uint128_test, bitwise_not) {
|
|
+ auto n = ~uint128(0x123456789abcdef0, 0x0fedcba987654321);
|
|
+ EXPECT_EQ(n, uint128(0xedcba9876543210f, 0xf0123456789abcde));
|
|
+}
|
|
+
|
|
TEST(uint128_test, plus_assign) {
|
|
auto n = uint128(32);
|
|
n += uint128(10);
|