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re PR target/26515 (peephole2 causes unrecognized insn, zero_extending non-general register)

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PR target/26515
	* gcc.dg/torture/pr26515.c: New test.

From-SVN: r152677
This commit is contained in:
Hans-Peter Nilsson 2009-10-12 17:40:08 +00:00 • committed by Hans-Peter Nilsson
parent 365cacbf41
commit 2e723874b5
2 changed files with 32 additions and 0 deletions
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5
gcc/testsuite/ChangeLog
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@ -1,3 +1,8 @@
2009-10-12 Hans-Peter Nilsson <hp@axis.com>
PR target/26515
* gcc.dg/torture/pr26515.c: New test.
2009-10-12 Janis Johnson <janis187@us.ibm.com>
PR testsuite/41659

27
gcc/testsuite/gcc.dg/torture/pr26515.c Normal file
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/* { dg-options "-march=v10" { target cris*-*-* } } */
struct i
{
long long i_size;
struct a *i_mapping;
};
struct p
{
struct a *mapping;
long index;
};
extern void b (struct p*, unsigned);
extern void u (struct p*);
void
block_page_mkwrite (struct i *i, struct p *p)
{
unsigned end = 0;
long long size = 0;
size = i->i_size;
if ((p->mapping != i->i_mapping))
goto out_unlock;
if (((p->index + 1) << 13) > size)
end = size & ~(~(((1UL) << 13) - 1));
b (p, end);
out_unlock:
u (p);
}