bd52d17906
too large to list, but see: http://gcc.gnu.org/gcc-3.4/changes.html http://gcc.gnu.org/gcc-4.0/changes.html http://gcc.gnu.org/gcc-4.1/changes.html for the details.
109 lines
1.4 KiB
C
109 lines
1.4 KiB
C
/* Copyright (C) 2004 Free Software Foundation.
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PR other/18665
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Verify that -ftrapv doesn't produce bogus results
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on 64-bit platforms.
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Written by Eric Botcazou */
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/* { dg-do run } */
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/* { dg-options "-ftrapv" } */
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extern void abort(void);
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extern long labs(long);
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int __attribute__((noinline))
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iabsv(int a)
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{
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return abs(a);
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}
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int __attribute__((noinline))
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iaddv(int a, int b)
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{
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return a + b;
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}
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int __attribute__((noinline))
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isubv(int a, int b)
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{
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return a - b;
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}
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int __attribute__((noinline))
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imulv(int a, int b)
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{
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return a * b;
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}
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int __attribute__((noinline))
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inegv(int a)
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{
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return -a;
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}
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long __attribute__((noinline))
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labsv(long a)
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{
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return labs(a);
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}
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long __attribute__((noinline))
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laddv(long a, long b)
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{
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return a + b;
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}
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long __attribute__((noinline))
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lsubv(long a, long b)
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{
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return a - b;
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}
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long __attribute__((noinline))
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lmulv(long a, long b)
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{
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return a * b;
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}
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long __attribute__((noinline))
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lnegv(long a)
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{
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return -a;
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}
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int main(void)
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{
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if (iabsv (-1) != 1)
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abort ();
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if (iaddv (2,-3) != -1)
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abort ();
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if (isubv (2,3) != -1)
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abort ();
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if (imulv (-2,3) != -6)
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abort ();
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if (inegv (-1) != 1)
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abort ();
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if (labsv (-1L) != 1L)
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abort ();
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if (laddv (2L,-3L) != -1L)
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abort ();
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if (lsubv (2L,3L) != -1L)
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abort ();
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if (lmulv (-2L,3L) != -6L)
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abort ();
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if (lnegv (-1L) != 1L)
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abort ();
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return 0;
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}
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