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[/] [openrisc/] [trunk/] [gnu-old/] [gcc-4.2.2/] [gcc/] [testsuite/] [gcc.target/] [i386/] [loop-1.c] - Rev 816
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/* PR optimization/9888 */ /* { dg-do run { target i?86-*-* x86_64-*-* } } */ /* { dg-require-effective-target ilp32 } */ /* { dg-options "-mtune=k6 -O3" } */ /* Verify that GCC doesn't emit out of range 'loop' instructions. */ extern void abort (void); extern void exit (int); f1 (a) long a; { int i; for (i = 0; i < 10; i++) { if (--a == -1) return i; } return -1; } f2 (a) long a; { int i; for (i = 0; i < 10; i++) { if (--a != -1) return i; } return -1; } f3 (a) long a; { int i; for (i = 0; i < 10; i++) { if (--a == 0) return i; } return -1; } f4 (a) long a; { int i; for (i = 0; i < 10; i++) { if (--a != 0) return i; } return -1; } f5 (a) long a; { int i; for (i = 0; i < 10; i++) { if (++a == 0) return i; } return -1; } f6 (a) long a; { int i; for (i = 0; i < 10; i++) { if (++a != 0) return i; } return -1; } int main() { if (f1 (5L) != 5) abort (); if (f2 (1L) != 0) abort (); if (f2 (0L) != 1) abort (); if (f3 (5L) != 4) abort (); if (f4 (1L) != 1) abort (); if (f4 (0L) != 0) abort (); if (f5 (-5L) != 4) abort (); if (f6 (-1L) != 1) abort (); if (f6 (0L) != 0) abort (); exit (0); }