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Michał Górny
3f1193f149
Closes: https://bugs.gentoo.org/985511 Signed-off-by: Michał Górny <mgorny@gentoo.org>
41 lines
1.2 KiB
Diff
41 lines
1.2 KiB
Diff
From 0ce7d8708583bb745481e33841d5f56ee70c0e00 Mon Sep 17 00:00:00 2001
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From: Vcode2407 <vkslog69@gmail.com>
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Date: Tue, 16 Jun 2026 23:08:57 +0530
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Subject: [PATCH] Fix fallback uint128 bitwise not
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---
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include/fmt/format.h | 3 +++
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test/format-test.cc | 5 +++++
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2 files changed, 8 insertions(+)
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diff --git a/include/fmt/format.h b/include/fmt/format.h
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index 5044befdd863..570627922c62 100644
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--- a/include/fmt/format.h
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+++ b/include/fmt/format.h
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@@ -326,6 +326,9 @@ class uint128 {
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-> uint128 {
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return {lhs.hi_ & rhs.hi_, lhs.lo_ & rhs.lo_};
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}
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+ friend constexpr auto operator~(const uint128& n) -> uint128 {
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+ return {~n.hi_, ~n.lo_};
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+ }
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friend FMT_CONSTEXPR auto operator+(const uint128& lhs, const uint128& rhs)
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-> uint128 {
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auto result = uint128(lhs);
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diff --git a/test/format-test.cc b/test/format-test.cc
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index 9a2258d5921f..8c2670a19fc3 100644
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--- a/test/format-test.cc
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+++ b/test/format-test.cc
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@@ -82,6 +82,11 @@ TEST(uint128_test, minus) {
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EXPECT_EQ(n - 2, 40);
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}
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+TEST(uint128_test, bitwise_not) {
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+ auto n = ~uint128(0x123456789abcdef0, 0x0fedcba987654321);
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+ EXPECT_EQ(n, uint128(0xedcba9876543210f, 0xf0123456789abcde));
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+}
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+
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TEST(uint128_test, plus_assign) {
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auto n = uint128(32);
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n += uint128(10);
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