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/* PR 34389 */
/* { dg-do compile } */
/* { dg-options "-Wconversion -Wsign-conversion" } */
/* { dg-require-effective-target int32plus } */
short mask1(short x)
{
short y = 0x7fff;
return x & y; /* { dg-bogus "conversion" "bogus warning" } */
}
short mask2(short ssx)
{
short ssy;
short ssz;
ssz = ((int)ssx) & 0x7fff;
ssy = ((int)ssx) | 0x7fff;
ssz = ((int)ssx) ^ 0x7fff;
return ssx & 0x7fff;
}
short mask3(int si, unsigned int ui)
{
short ss;
unsigned short us;
ss = si & 0x7fff;
ss = si & 0xAAAA; /* { dg-warning "conversion" } */
ss = ui & 0x7fff;
ss = ui & 0xAAAA; /* { dg-warning "conversion" } */
us = si & 0x7fff;
us = si & 0xAAAA; /* { dg-warning "conversion" } */
us = ui & 0x7fff;
us = ui & 0xAAAA; /* 0xAAAA is zero-extended, thus it masks the
upper bits of 'ui' making it fit in 'us'. */
return ss;
}
short mask4(int x, int y)
{
return x & y; /* { dg-warning "conversion" } */
}
short mask5(int x)
{
return x & -1; /* { dg-warning "conversion" } */
}
short mask6(short x)
{
return x & -1;
}
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