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Added atomicFetchAndAddsat/Subsat.

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This commit is contained in:
Branimir Karadžić
2017-10-23 08:27:03 -07:00
parent 0a2c440a77
commit b6a01bf42c
6 changed files with 104 additions and 6 deletions
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46
tests/atomic_test.cpp Normal file
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/*
* Copyright 2010-2017 Branimir Karadzic. All rights reserved.
* License: https://github.com/bkaradzic/bx#license-bsd-2-clause
*/
#include "test.h"
#include <bx/cpu.h>
TEST_CASE("atomic", "")
{
uint32_t test = 1337;
uint32_t fetched;
fetched = bx::atomicFetchAndAdd(&test, 52u);
REQUIRE(fetched == 1337);
REQUIRE(test == 1389);
fetched = bx::atomicAddAndFetch(&test, 64u);
REQUIRE(fetched == 1453);
REQUIRE(test == 1453);
fetched = bx::atomicFetchAndSub(&test, 64u);
REQUIRE(fetched == 1453);
REQUIRE(test == 1389);
fetched = bx::atomicSubAndFetch(&test, 52u);
REQUIRE(fetched == 1337);
REQUIRE(test == 1337);
fetched = bx::atomicFetchAndAddsat(&test, 52u, 1453u);
REQUIRE(fetched == 1337);
REQUIRE(test == 1389);
fetched = bx::atomicFetchAndAddsat(&test, 1000u, 1453u);
REQUIRE(fetched == 1389);
REQUIRE(test == 1453);
fetched = bx::atomicFetchAndSubsat(&test, 64u, 1337u);
REQUIRE(fetched == 1453);
REQUIRE(test == 1389);
fetched = bx::atomicFetchAndSubsat(&test, 1000u, 1337u);
REQUIRE(fetched == 1389);
REQUIRE(test == 1337);
}