mirror of git://gcc.gnu.org/git/gcc.git
48 lines
2.1 KiB
C
48 lines
2.1 KiB
C
/* { dg-do run } */
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/* { dg-require-effective-target int128 } */
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/* { dg-options "-fsanitize=signed-integer-overflow" } */
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/* 2^127 - 1 */
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#define INT128_MAX (__int128) (((unsigned __int128) 1 << ((__SIZEOF_INT128__ * __CHAR_BIT__) - 1)) - 1)
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#define INT128_MIN (-INT128_MAX - 1)
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int
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main (void)
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{
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volatile __int128 i = INT128_MAX;
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volatile __int128 j = 1;
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volatile __int128 k = i + j;
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k = j + i;
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i++;
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j = INT128_MAX - 100;
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j += (1 << 10);
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j = INT128_MIN;
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i = -1;
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k = i + j;
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k = j + i;
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j--;
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j = INT128_MIN + 100;
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j += -(1 << 10);
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i = INT128_MAX;
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j = 2;
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k = i * j;
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i = INT128_MIN;
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i = -i;
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return 0;
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}
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/* { dg-output "signed integer overflow: 0x7fffffffffffffffffffffffffffffff \\+ 1 cannot be represented in type '__int128'(\n|\r\n|\r)" } */
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/* { dg-output "\[^\n\r]*signed integer overflow: 1 \\+ 0x7fffffffffffffffffffffffffffffff cannot be represented in type '__int128'(\n|\r\n|\r)" } */
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/* { dg-output "\[^\n\r]*signed integer overflow: 0x7fffffffffffffffffffffffffffffff \\+ 1 cannot be represented in type '__int128'(\n|\r\n|\r)" } */
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/* { dg-output "\[^\n\r]*signed integer overflow: 0x7fffffffffffffffffffffffffffff9b \\+ 1024 cannot be represented in type '__int128'(\n|\r\n|\r)" } */
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/* { dg-output "\[^\n\r]*signed integer overflow: -1 \\+ 0x80000000000000000000000000000000 cannot be represented in type '__int128'(\n|\r\n|\r)" } */
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/* { dg-output "\[^\n\r]*signed integer overflow: 0x80000000000000000000000000000000 \\+ -1 cannot be represented in type '__int128'(\n|\r\n|\r)" } */
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/* { dg-output "\[^\n\r]*signed integer overflow: 0x80000000000000000000000000000000 - 1 cannot be represented in type '__int128'(\n|\r\n|\r)" } */
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/* { dg-output "\[^\n\r]*signed integer overflow: 0x80000000000000000000000000000064 \\+ -1024 cannot be represented in type '__int128'(\n|\r\n|\r)" } */
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/* { dg-output "\[^\n\r]*signed integer overflow: 0x7fffffffffffffffffffffffffffffff \\* 2 cannot be represented in type '__int128'(\n|\r\n|\r)" } */
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/* { dg-output "\[^\n\r]*negation of 0x80000000000000000000000000000000 cannot be represented in type '__int128'; cast to an unsigned type to negate this value to itself\[^\n\r]*(\n|\r\n|\r)" } */
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