Attachment 16012 Details for Bug 28632 – Testcase to be added to testsuite

Testcase to be added to testsuite

pr28632.c (text/x-csrc), 1.24 KB, created by Denis Vlasenko on 2008-08-04 11:55:17 UTC

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Creator: Denis Vlasenko

Created: 2008-08-04 11:55:17 UTC

Size: 1.24 KB

patch

obsolete

>void v4 (unsigned a, unsigned b)
>{
>  if (a < 0x1000) return;
>  if (a > 0x1000) return;
>  if (b < 0x0110) return;
>#if defined __OPTIMIZE__
>  /* VRP must figure out that this is always true.  */
>  if (!__builtin_constant_p ((a|b) >= 0x01000))
>    asm("the.bug.is.here");
>  /* VRP must not think that this is always true.  */
>  if (__builtin_constant_p ((a|b) >= 0x10000))
>    asm("the.bug.is.here");
>#endif
>}
>
>void u4 (unsigned n)
>{
>  if (n > 0x10111) return;
>  if (n < 0x10101) return;
>#if defined __OPTIMIZE__
>  /* VRP must figure out that this is always true.  */
>  if (!__builtin_constant_p (n & 0x00100))
>    asm("the.bug.is.here");
>  /* VRP must not think that this is always true.  */
>  if (__builtin_constant_p (n & 0x00001))
>    asm("the.bug.is.here");
>  /* Another case to test:
>     (n & 0x01000) is never true, but we can't figure it out yet.  */
>#endif
>}
>
>
>void v5 (int a, int b)
>{
>  if (a < 0x1000) return;
>  if (a > 0x1000) return;
>  if (b < 0x0110) return;
>#if defined __OPTIMIZE__
>  /* VRP must figure out that this is always true.  */
>  if (!__builtin_constant_p ((a|b) >= 0x01000))
>    asm("the.bug.is.here");
>  /* VRP must not think that this is always true.  */
>  if (__builtin_constant_p ((a|b) >= 0x10000))
>    asm("the.bug.is.here");
>#endif
>}
>

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