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introduce Sheng-McClellan hybrid

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Alex Coyte
2016-12-01 14:32:47 +11:00
committed by Matthew Barr
parent f626276271
commit e51b6d23b9
35 changed files with 3804 additions and 206 deletions
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15
unit/internal/bitutils.cpp
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@@ -1,5 +1,5 @@
/*
* Copyright (c) 2015, Intel Corporation
* Copyright (c) 2015-2016, Intel Corporation
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
@@ -436,3 +436,16 @@ TEST(BitUtils, rank_in_mask64) {
ASSERT_EQ(15, rank_in_mask64(0xf0f0f0f0f0f0f0f0ULL, 31));
ASSERT_EQ(31, rank_in_mask64(0xf0f0f0f0f0f0f0f0ULL, 63));
}
#if defined(HAVE_PEXT) && defined(ARCH_64_BIT)
TEST(BitUtils, pdep64) {
u64a data = 0xF123456789ABCDEF;
ASSERT_EQ(0xfULL, pdep64(data, 0xf));
ASSERT_EQ(0xefULL, pdep64(data, 0xff));
ASSERT_EQ(0xf0ULL, pdep64(data, 0xf0));
ASSERT_EQ(0xfULL, pdep64(data, 0xf));
ASSERT_EQ(0xef0ULL, pdep64(data, 0xff0));
ASSERT_EQ(0xef00ULL, pdep64(data, 0xff00));
ASSERT_EQ(0xd0e0f00ULL, pdep64(data, 0xf0f0f00));
}
#endif