98 lines
1.7 KiB
C
98 lines
1.7 KiB
C
/* PR tree-optimization/66187 */
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/* { dg-do run } */
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/* { dg-options "-O2 -fno-wrapv" } */
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__attribute__((noinline, noclone)) int
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f0 (unsigned char x, unsigned char y)
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{
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return (x + y) & 0x2ff;
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}
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__attribute__((noinline, noclone)) int
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f1 (unsigned char x, unsigned char y)
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{
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return (x - y) & 0x2ff;
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}
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__attribute__((noinline, noclone)) int
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f2 (signed char x, signed char y)
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{
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return (x + y) & -4;
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}
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__attribute__((noinline, noclone)) int
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f3 (signed char x, signed char y)
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{
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return (x + y) & 0xf8;
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}
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__attribute__((noinline, noclone)) int
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f4 (signed char x, signed char y)
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{
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return (x + y) & 0x78;
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}
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__attribute__((noinline, noclone)) int
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f5 (unsigned char x, unsigned char y)
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{
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int a = x;
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int b = y;
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int c = a + b;
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return c & 0x2ff;
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}
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__attribute__((noinline, noclone)) int
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f6 (unsigned char x, unsigned char y)
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{
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int a = x;
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int b = y;
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int c = a - b;
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return c & 0x2ff;
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}
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__attribute__((noinline, noclone)) int
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f7 (signed char x, signed char y)
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{
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int a = x;
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int b = y;
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int c = a + b;
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return c & -4;
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}
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__attribute__((noinline, noclone)) int
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f8 (signed char x, signed char y)
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{
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int a = x;
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int b = y;
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int c = a + b;
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return c & 0xf8;
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}
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__attribute__((noinline, noclone)) int
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f9 (signed char x, signed char y)
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{
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int a = x;
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int b = y;
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int c = a + b;
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return c & 0x78;
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}
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int
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main ()
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{
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if (__SCHAR_MAX__ != 127 || sizeof (int) != 4)
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return 0;
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if (f0 (0xff, 0xff) != 0xfe
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|| f1 (0, 1) != 0x2ff
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|| f2 (-2, 1) != -4
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|| f3 (-2, 1) != 0xf8
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|| f4 (-2, 1) != 0x78
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|| f5 (0xff, 0xff) != 0xfe
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|| f6 (0, 1) != 0x2ff
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|| f7 (-2, 1) != -4
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|| f8 (-2, 1) != 0xf8
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|| f9 (-2, 1) != 0x78)
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__builtin_abort ();
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return 0;
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}
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