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add m128 byte shift functions

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variable_byte_shift_m128 taken from pug-interpreter branch
This commit is contained in:
Alex Coyte
2016-04-18 11:23:56 +10:00
committed by Matthew Barr
parent f7cdfc5e54
commit e86688e313
5 changed files with 109 additions and 4 deletions
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58
unit/internal/simd_utils.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:
@@ -32,7 +32,7 @@
#include "util/alloc.h"
#include "util/make_unique.h"
#include "util/simd_utils.h"
#include "util/simd_utils_ssse3.h"
using namespace std;
using namespace ue2;
@@ -640,4 +640,58 @@ TEST(SimdUtilsTest, set2x128) {
}
#endif
TEST(SimdUtilsTest, variableByteShift128) {
char base[] = "0123456789ABCDEF";
m128 in = loadu128(base);
EXPECT_TRUE(!diff128(byteShiftRight128(in, 0),
variable_byte_shift_m128(in, 0)));
EXPECT_TRUE(!diff128(byteShiftRight128(in, 1),
variable_byte_shift_m128(in, -1)));
EXPECT_TRUE(!diff128(byteShiftRight128(in, 2),
variable_byte_shift_m128(in, -2)));
EXPECT_TRUE(!diff128(byteShiftRight128(in, 3),
variable_byte_shift_m128(in, -3)));
EXPECT_TRUE(!diff128(byteShiftRight128(in, 4),
variable_byte_shift_m128(in, -4)));
EXPECT_TRUE(!diff128(byteShiftRight128(in, 5),
variable_byte_shift_m128(in, -5)));
EXPECT_TRUE(!diff128(byteShiftRight128(in, 6),
variable_byte_shift_m128(in, -6)));
EXPECT_TRUE(!diff128(byteShiftRight128(in, 7),
variable_byte_shift_m128(in, -7)));
EXPECT_TRUE(!diff128(byteShiftRight128(in, 8),
variable_byte_shift_m128(in, -8)));
EXPECT_TRUE(!diff128(byteShiftRight128(in, 9),
variable_byte_shift_m128(in, -9)));
EXPECT_TRUE(!diff128(byteShiftRight128(in, 10),
variable_byte_shift_m128(in, -10)));
EXPECT_TRUE(!diff128(byteShiftLeft128(in, 0),
variable_byte_shift_m128(in, 0)));
EXPECT_TRUE(!diff128(byteShiftLeft128(in, 1),
variable_byte_shift_m128(in, 1)));
EXPECT_TRUE(!diff128(byteShiftLeft128(in, 2),
variable_byte_shift_m128(in, 2)));
EXPECT_TRUE(!diff128(byteShiftLeft128(in, 3),
variable_byte_shift_m128(in, 3)));
EXPECT_TRUE(!diff128(byteShiftLeft128(in, 4),
variable_byte_shift_m128(in, 4)));
EXPECT_TRUE(!diff128(byteShiftLeft128(in, 5),
variable_byte_shift_m128(in, 5)));
EXPECT_TRUE(!diff128(byteShiftLeft128(in, 6),
variable_byte_shift_m128(in, 6)));
EXPECT_TRUE(!diff128(byteShiftLeft128(in, 7),
variable_byte_shift_m128(in, 7)));
EXPECT_TRUE(!diff128(byteShiftLeft128(in, 8),
variable_byte_shift_m128(in, 8)));
EXPECT_TRUE(!diff128(byteShiftLeft128(in, 9),
variable_byte_shift_m128(in, 9)));
EXPECT_TRUE(!diff128(byteShiftLeft128(in, 10),
variable_byte_shift_m128(in, 10)));
EXPECT_TRUE(!diff128(zeroes128(), variable_byte_shift_m128(in, 16)));
EXPECT_TRUE(!diff128(zeroes128(), variable_byte_shift_m128(in, -16)));
}
} // namespace