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int128: Use __int128 if available

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Reviewed-by: Emilio G. Cota <cota@braap.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <rth@twiddle.net>
This commit is contained in:
Richard Henderson 2016-06-29 15:52:10 -07:00
parent 258dfaaad0
commit 0846beb366
2 changed files with 145 additions and 12 deletions
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22
tests/test-int128.c
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@ -41,7 +41,7 @@ static Int128 expand(uint32_t x)
uint64_t l, h;
l = expand16(x & 65535);
h = expand16(x >> 16);
return (Int128) {l, h};
return (Int128) int128_make128(l, h);
};
static void test_and(void)
@ -54,8 +54,8 @@ static void test_and(void)
Int128 b = expand(tests[j]);
Int128 r = expand(tests[i] & tests[j]);
Int128 s = int128_and(a, b);
g_assert_cmpuint(r.lo, ==, s.lo);
g_assert_cmpuint(r.hi, ==, s.hi);
g_assert_cmpuint(int128_getlo(r), ==, int128_getlo(s));
g_assert_cmpuint(int128_gethi(r), ==, int128_gethi(s));
}
}
}
@ -70,8 +70,8 @@ static void test_add(void)
Int128 b = expand(tests[j]);
Int128 r = expand(tests[i] + tests[j]);
Int128 s = int128_add(a, b);
g_assert_cmpuint(r.lo, ==, s.lo);
g_assert_cmpuint(r.hi, ==, s.hi);
g_assert_cmpuint(int128_getlo(r), ==, int128_getlo(s));
g_assert_cmpuint(int128_gethi(r), ==, int128_gethi(s));
}
}
}
@ -86,8 +86,8 @@ static void test_sub(void)
Int128 b = expand(tests[j]);
Int128 r = expand(tests[i] - tests[j]);
Int128 s = int128_sub(a, b);
g_assert_cmpuint(r.lo, ==, s.lo);
g_assert_cmpuint(r.hi, ==, s.hi);
g_assert_cmpuint(int128_getlo(r), ==, int128_getlo(s));
g_assert_cmpuint(int128_gethi(r), ==, int128_gethi(s));
}
}
}
@ -100,8 +100,8 @@ static void test_neg(void)
Int128 a = expand(tests[i]);
Int128 r = expand(-tests[i]);
Int128 s = int128_neg(a);
g_assert_cmpuint(r.lo, ==, s.lo);
g_assert_cmpuint(r.hi, ==, s.hi);
g_assert_cmpuint(int128_getlo(r), ==, int128_getlo(s));
g_assert_cmpuint(int128_gethi(r), ==, int128_gethi(s));
}
}
@ -180,8 +180,8 @@ test_rshift_one(uint32_t x, int n, uint64_t h, uint64_t l)
{
Int128 a = expand(x);
Int128 r = int128_rshift(a, n);
g_assert_cmpuint(r.lo, ==, l);
g_assert_cmpuint(r.hi, ==, h);
g_assert_cmpuint(int128_getlo(r), ==, l);
g_assert_cmpuint(int128_gethi(r), ==, h);
}
static void test_rshift(void)