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* gcc.c-torture/compile/20020120-1.c: New test. 

From-SVN: r49279
This commit is contained in:
Jakub Jelinek 2002-01-28 13:04:02 +01:00 committed by Jakub Jelinek
parent 41e427e8b9
commit 27d921c7cf
2 changed files with 59 additions and 0 deletions
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4
gcc/testsuite/ChangeLog
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@ -1,3 +1,7 @@
2002-01-28 Jakub Jelinek <jakub@redhat.com>
* gcc.c-torture/compile/20020120-1.c: New test.
2002-01-27 Kazu Hirata <kazu@hxi.com>
* gcc.c-torture/execute/20020127-1.c: New test.

55
gcc/testsuite/gcc.c-torture/compile/20020120-1.c Normal file
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/* This ICEed on IA-32 with -O2 -mcpu=i386, because reload was trying
to reload into %sil register. */
struct A
{
void *a;
unsigned int b, c, d;
};
struct B
{
struct A *e;
};
void bar (struct A *);
void baz (struct A *);
static inline unsigned int
inl (unsigned int v, unsigned char w, unsigned char x, unsigned char y,
unsigned char z)
{
switch (v)
{
case 2:
return ((w & 0xf8) << 8) | ((x & 0xfc) << 3) | ((y & 0xf8) >> 3);
case 4:
return (z << 24) | (w << 16) | (x << 8) | y;
default:
return 0;
}
}
void foo (struct B *x, int y, const float *z)
{
struct A *a = x->e;
if (y)
{
if (x->e->a)
bar (x->e);
}
else
{
unsigned char c[4];
unsigned int b;
c[0] = z[0]; c[1] = z[1]; c[2] = z[2]; c[3] = z[3];
b = inl (a->b, c[0], c[1], c[2], c[3] );
if (a->a)
bar (a);
else
baz (a);
a->c = b;
}
}