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Diffstat (limited to 'test/Unit/muloti4_test.c')
-rw-r--r-- | test/Unit/muloti4_test.c | 280 |
1 files changed, 280 insertions, 0 deletions
diff --git a/test/Unit/muloti4_test.c b/test/Unit/muloti4_test.c new file mode 100644 index 000000000000..44abddf26baf --- /dev/null +++ b/test/Unit/muloti4_test.c @@ -0,0 +1,280 @@ +//===-- muloti4_test.c - Test __muloti4 -----------------------------------===// +// +// The LLVM Compiler Infrastructure +// +// This file is dual licensed under the MIT and the University of Illinois Open +// Source Licenses. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// +// +// This file tests __muloti3 for the compiler_rt library. +// +//===----------------------------------------------------------------------===// + +#if __x86_64 + +#include "int_lib.h" +#include <stdio.h> + +// Returns: a * b + +// Effects: sets overflow if a * b overflows + +ti_int __muloti4(ti_int a, ti_int b, int *overflow); + +int test__muloti4(ti_int a, ti_int b, ti_int expected, int expected_overflow) +{ + int ov; + ti_int x = __muloti4(a, b, &ov); + if (ov != expected_overflow) { + twords at; + at.all = a; + twords bt; + bt.all = b; + twords xt; + xt.all = x; + twords expectedt; + expectedt.all = expected; + + printf("error in __muloti4: overflow=%d expected=%d\n", + ov, expected_overflow); + printf("error in __muloti4: 0x%.16llX%.16llX * 0x%.16llX%.16llX = " + "0x%.16llX%.16llX, expected 0x%.16llX%.16llX\n", + at.s.high, at.s.low, bt.s.high, bt.s.low, xt.s.high, xt.s.low, + expectedt.s.high, expectedt.s.low); + return 1; + } + else if (!expected_overflow && x != expected) + { + twords at; + at.all = a; + twords bt; + bt.all = b; + twords xt; + xt.all = x; + twords expectedt; + expectedt.all = expected; + printf("error in __muloti4: 0x%.16llX%.16llX * 0x%.16llX%.16llX = " + "0x%.16llX%.16llX, expected 0x%.16llX%.16llX\n", + at.s.high, at.s.low, bt.s.high, bt.s.low, xt.s.high, xt.s.low, + expectedt.s.high, expectedt.s.low); + return 1; + } + return 0; +} + +#endif + +int main() +{ +#if __x86_64 + if (test__muloti4(0, 0, 0, 0)) + return 1; + if (test__muloti4(0, 1, 0, 0)) + return 1; + if (test__muloti4(1, 0, 0, 0)) + return 1; + if (test__muloti4(0, 10, 0, 0)) + return 1; + if (test__muloti4(10, 0, 0, 0)) + return 1; + if (test__muloti4(0, 81985529216486895LL, 0, 0)) + return 1; + if (test__muloti4(81985529216486895LL, 0, 0, 0)) + return 1; + + if (test__muloti4(0, -1, 0, 0)) + return 1; + if (test__muloti4(-1, 0, 0, 0)) + return 1; + if (test__muloti4(0, -10, 0, 0)) + return 1; + if (test__muloti4(-10, 0, 0, 0)) + return 1; + if (test__muloti4(0, -81985529216486895LL, 0, 0)) + return 1; + if (test__muloti4(-81985529216486895LL, 0, 0, 0)) + return 1; + + if (test__muloti4(1, 1, 1, 0)) + return 1; + if (test__muloti4(1, 10, 10, 0)) + return 1; + if (test__muloti4(10, 1, 10, 0)) + return 1; + if (test__muloti4(1, 81985529216486895LL, 81985529216486895LL, 0)) + return 1; + if (test__muloti4(81985529216486895LL, 1, 81985529216486895LL, 0)) + return 1; + + if (test__muloti4(1, -1, -1, 0)) + return 1; + if (test__muloti4(1, -10, -10, 0)) + return 1; + if (test__muloti4(-10, 1, -10, 0)) + return 1; + if (test__muloti4(1, -81985529216486895LL, -81985529216486895LL, 0)) + return 1; + if (test__muloti4(-81985529216486895LL, 1, -81985529216486895LL, 0)) + return 1; + + if (test__muloti4(3037000499LL, 3037000499LL, 9223372030926249001LL, 0)) + return 1; + if (test__muloti4(-3037000499LL, 3037000499LL, -9223372030926249001LL, 0)) + return 1; + if (test__muloti4(3037000499LL, -3037000499LL, -9223372030926249001LL, 0)) + return 1; + if (test__muloti4(-3037000499LL, -3037000499LL, 9223372030926249001LL, 0)) + return 1; + + if (test__muloti4(4398046511103LL, 2097152LL, 9223372036852678656LL, 0)) + return 1; + if (test__muloti4(-4398046511103LL, 2097152LL, -9223372036852678656LL, 0)) + return 1; + if (test__muloti4(4398046511103LL, -2097152LL, -9223372036852678656LL, 0)) + return 1; + if (test__muloti4(-4398046511103LL, -2097152LL, 9223372036852678656LL, 0)) + return 1; + + if (test__muloti4(2097152LL, 4398046511103LL, 9223372036852678656LL, 0)) + return 1; + if (test__muloti4(-2097152LL, 4398046511103LL, -9223372036852678656LL, 0)) + return 1; + if (test__muloti4(2097152LL, -4398046511103LL, -9223372036852678656LL, 0)) + return 1; + if (test__muloti4(-2097152LL, -4398046511103LL, 9223372036852678656LL, 0)) + return 1; + + if (test__muloti4(make_ti(0x00000000000000B5LL, 0x04F333F9DE5BE000LL), + make_ti(0x0000000000000000LL, 0x00B504F333F9DE5BLL), + make_ti(0x7FFFFFFFFFFFF328LL, 0xDF915DA296E8A000LL), 0)) + return 1; + + if (test__muloti4(make_ti(0x7FFFFFFFFFFFFFFFLL, 0xFFFFFFFFFFFFFFFFLL), + -2, + make_ti(0x8000000000000000LL, 0x0000000000000001LL), 1)) + return 1; + if (test__muloti4(-2, + make_ti(0x7FFFFFFFFFFFFFFFLL, 0xFFFFFFFFFFFFFFFFLL), + make_ti(0x8000000000000000LL, 0x0000000000000001LL), 1)) + return 1; + if (test__muloti4(make_ti(0x7FFFFFFFFFFFFFFFLL, 0xFFFFFFFFFFFFFFFFLL), + -1, + make_ti(0x8000000000000000LL, 0x0000000000000001LL), 0)) + return 1; + if (test__muloti4(-1, + make_ti(0x7FFFFFFFFFFFFFFFLL, 0xFFFFFFFFFFFFFFFFLL), + make_ti(0x8000000000000000LL, 0x0000000000000001LL), 0)) + return 1; + if (test__muloti4(make_ti(0x7FFFFFFFFFFFFFFFLL, 0xFFFFFFFFFFFFFFFFLL), + 0, + 0, 0)) + return 1; + if (test__muloti4(0, + make_ti(0x7FFFFFFFFFFFFFFFLL, 0xFFFFFFFFFFFFFFFFLL), + 0, 0)) + return 1; + if (test__muloti4(make_ti(0x7FFFFFFFFFFFFFFFLL, 0xFFFFFFFFFFFFFFFFLL), + 1, + make_ti(0x7FFFFFFFFFFFFFFFLL, 0xFFFFFFFFFFFFFFFFLL), 0)) + return 1; + if (test__muloti4(1, + make_ti(0x7FFFFFFFFFFFFFFFLL, 0xFFFFFFFFFFFFFFFFLL), + make_ti(0x7FFFFFFFFFFFFFFFLL, 0xFFFFFFFFFFFFFFFFLL), 0)) + return 1; + if (test__muloti4(make_ti(0x7FFFFFFFFFFFFFFFLL, 0xFFFFFFFFFFFFFFFFLL), + 2, + make_ti(0x8000000000000000LL, 0x0000000000000001LL), 1)) + return 1; + if (test__muloti4(2, + make_ti(0x7FFFFFFFFFFFFFFFLL, 0xFFFFFFFFFFFFFFFFLL), + make_ti(0x8000000000000000LL, 0x0000000000000001LL), 1)) + return 1; + + if (test__muloti4(make_ti(0x8000000000000000LL, 0x0000000000000000LL), + -2, + make_ti(0x8000000000000000LL, 0x0000000000000000LL), 1)) + return 1; + if (test__muloti4(-2, + make_ti(0x8000000000000000LL, 0x0000000000000000LL), + make_ti(0x8000000000000000LL, 0x0000000000000000LL), 1)) + return 1; + if (test__muloti4(make_ti(0x8000000000000000LL, 0x0000000000000000LL), + -1, + make_ti(0x8000000000000000LL, 0x0000000000000000LL), 1)) + return 1; + if (test__muloti4(-1, + make_ti(0x8000000000000000LL, 0x0000000000000000LL), + make_ti(0x8000000000000000LL, 0x0000000000000000LL), 1)) + return 1; + if (test__muloti4(make_ti(0x8000000000000000LL, 0x0000000000000000LL), + 0, + 0, 0)) + return 1; + if (test__muloti4(0, + make_ti(0x8000000000000000LL, 0x0000000000000000LL), + 0, 0)) + return 1; + if (test__muloti4(make_ti(0x8000000000000000LL, 0x0000000000000000LL), + 1, + make_ti(0x8000000000000000LL, 0x0000000000000000LL), 0)) + return 1; + if (test__muloti4(1, + make_ti(0x8000000000000000LL, 0x0000000000000000LL), + make_ti(0x8000000000000000LL, 0x0000000000000000LL), 0)) + return 1; + if (test__muloti4(make_ti(0x8000000000000000LL, 0x0000000000000000LL), + 2, + make_ti(0x8000000000000000LL, 0x0000000000000000LL), 1)) + return 1; + if (test__muloti4(2, + make_ti(0x8000000000000000LL, 0x0000000000000000LL), + make_ti(0x8000000000000000LL, 0x0000000000000000LL), 1)) + return 1; + + if (test__muloti4(make_ti(0x8000000000000000LL, 0x0000000000000001LL), + -2, + make_ti(0x8000000000000000LL, 0x0000000000000001LL), 1)) + return 1; + if (test__muloti4(-2, + make_ti(0x8000000000000000LL, 0x0000000000000001LL), + make_ti(0x8000000000000000LL, 0x0000000000000001LL), 1)) + return 1; + if (test__muloti4(make_ti(0x8000000000000000LL, 0x0000000000000001LL), + -1, + make_ti(0x7FFFFFFFFFFFFFFFLL, 0xFFFFFFFFFFFFFFFFLL), 0)) + return 1; + if (test__muloti4(-1, + make_ti(0x8000000000000000LL, 0x0000000000000001LL), + make_ti(0x7FFFFFFFFFFFFFFFLL, 0xFFFFFFFFFFFFFFFFLL), 0)) + return 1; + if (test__muloti4(make_ti(0x8000000000000000LL, 0x0000000000000001LL), + 0, + 0, 0)) + return 1; + if (test__muloti4(0, + make_ti(0x8000000000000000LL, 0x0000000000000001LL), + 0, 0)) + return 1; + if (test__muloti4(make_ti(0x8000000000000000LL, 0x0000000000000001LL), + 1, + make_ti(0x8000000000000000LL, 0x0000000000000001LL), 0)) + return 1; + if (test__muloti4(1, + make_ti(0x8000000000000000LL, 0x0000000000000001LL), + make_ti(0x8000000000000000LL, 0x0000000000000001LL), 0)) + return 1; + if (test__muloti4(make_ti(0x8000000000000000LL, 0x0000000000000001LL), + 2, + make_ti(0x8000000000000000LL, 0x0000000000000000LL), 1)) + return 1; + if (test__muloti4(2, + make_ti(0x8000000000000000LL, 0x0000000000000001LL), + make_ti(0x8000000000000000LL, 0x0000000000000000LL), 1)) + return 1; + +#else + printf("skipped\n"); +#endif + return 0; +} |