forked from OSchip/llvm-project
84 lines
2.5 KiB
C
84 lines
2.5 KiB
C
//===--------------- fixtfti_test.c - Test __fixtfti ----------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is dual licensed under the MIT and the University of Illinois Open
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// Source Licenses. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file tests __fixtfti for the compiler_rt library.
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//
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//===----------------------------------------------------------------------===//
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#include "int_lib.h"
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#include <stdio.h>
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#if __LDBL_MANT_DIG__ == 113
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#include "fp_test.h"
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ti_int __fixtfti(long double a);
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int test__fixtfti(long double a, ti_int expected)
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{
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ti_int x = __fixtfti(a);
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int ret = (x != expected);
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if (ret)
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{
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twords xt;
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xt.all = x;
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twords expectedt;
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expectedt.all = expected;
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printf("error in test__fixtfti(%.20Lf) = 0x%.16llX%.16llX, "
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"expected 0x%.16llX%.16llX\n",
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a, xt.s.high, xt.s.low, expectedt.s.high, expectedt.s.low);
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}
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return ret;
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}
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char assumption_1[sizeof(long double) * CHAR_BIT == 128] = {0};
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#endif
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int main()
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{
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#if __LDBL_MANT_DIG__ == 113
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if (test__fixtfti(makeInf128(), make_ti(0x7fffffffffffffffLL,
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0xffffffffffffffffLL)))
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return 1;
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if (test__fixtfti(0, make_ti(0x0LL, 0x0LL)))
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return 1;
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if (test__fixtfti(0x1.23456789abcdefp+5L, make_ti(0x0LL, 0x24LL)))
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return 1;
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if (test__fixtfti(0x1.23456789abcdefp-3L, make_ti(0x0LL, 0x0LL)))
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return 1;
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if (test__fixtfti(0x1.23456789abcdef12345678p+20L,
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make_ti(0x0LL, 0x123456LL)))
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return 1;
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if (test__fixtfti(0x1.23456789abcdef123456789abcdep+112L,
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make_ti(0x123456789abcdLL, 0xef123456789abcdeLL)))
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return 1;
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if (test__fixtfti(-0x1.23456789abcdef123456789abcdep+112L,
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make_ti(0xFFFEDCBA98765432LL, 0x10EDCBA987654322LL)))
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return 1;
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if (test__fixtfti(0x1.23456789abcdefp+256L, make_ti(0x7fffffffffffffffLL,
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0xffffffffffffffffLL)))
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return 1;
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if (test__fixtfti(-0x1.23456789abcdefp+20L, make_ti(0xffffffffffffffffLL,
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0xffffffffffedcbaaLL)))
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return 1;
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if (test__fixtfti(-0x1.23456789abcdefp+256L, make_ti(0x8000000000000000LL,
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0x0)))
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return 1;
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#else
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printf("skipped\n");
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#endif
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return 0;
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}
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