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frsp: add test values for RN=2/3

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Tillmann Karras
2014-12-17 05:36:48 +01:00
parent 003f718492
commit b73564050c
1 changed files with 4 additions and 2 deletions
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6
cputest/frsp.cpp
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@@ -15,9 +15,11 @@ static void FrspTest()
{0x000fffffffffffff, 0x0000000000000000, 0b000}, // largest double subnormal
{0x3690000000000000, 0x0000000000000000, 0b000}, // largest number rounded to zero
{0x3690000000000001, 0x36a0000000000000, 0b000}, // smallest positive single subnormal
{0x380fffffe0000001, 0x0000000000000000, 0b110}, // boundary of architecture-dependent behavior in non-IEEE mode
{0x380ffffff0000000, 0x0000000000000000, 0b100}, // boundary of architecture-dependent behavior in non-IEEE mode
{0x380fffffffffffff, 0x0000000000000000, 0b100}, // largest single subnormal
{0x3810000000000000, 0x3810000000000000, 0b100}, // smallest positive single normal
{0xb80fffffe0000001, 0x8000000000000000, 0b111}, // boundary of architecture-dependent behavior in non-IEEE mode
{0xb80ffffff0000000, 0x8000000000000000, 0b100}, // boundary of architecture-dependent behavior in non-IEEE mode
{0xb80fffffffffffff, 0x8000000000000000, 0b100}, // smallest single subnormal
{0xb810000000000000, 0xb810000000000000, 0b100}, // largest negative single normal
@@ -35,10 +37,10 @@ static void FrspTest()
u64 expected = values[i][1];
u64 result = 0;
asm("frsp %0, %1" : "=d"(result) : "d"(input));
DO_TEST(result == expected, "frsp(0x{:016x}, NI={}):\n"
DO_TEST(result == expected, "frsp(0x{:016x}, NI={}, RN={}):\n"
" got 0x{:016x}\n"
"expected 0x{:016x}",
input, values[i][2] >> 2, result, expected);
input, values[i][2] >> 2, values[i][2] & 0b11, result, expected);
}
END_TEST();
}