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/* Copyright (C) 2003 Free Software Foundation.
Check that size-optimizations for move insns (specifically peephole
optimizations) aren't applied to volatile objects in the CRIS port.
Origin: Hans-Peter Nilsson. */
/* { dg-do compile { target cris-*-* crisv32-*-* } } */
/* { dg-final { scan-assembler-not {movu\...\[} } } */
/* { dg-final { scan-assembler-not {move\.[^d].\[} } } */
/* { dg-final { scan-assembler-not {and\.[^d].\[} } } */
/* { dg-final { scan-assembler-not {or\.[^d].\[} } } */
static const unsigned long c = 0x0000FF00;
unsigned long
a1 (void)
{
unsigned long m;
m = *(volatile unsigned long*) 0xb00000c8;
m &= c;
return m;
}
extern volatile unsigned long xx;
unsigned long
a2 (void)
{
unsigned long m;
m = xx;
m &= c;
return m;
}
extern volatile unsigned long yy[];
unsigned long
a3 (void)
{
unsigned long m;
m = yy[3];
m &= 0xfe00;
return m;
}
unsigned long
ac1 (void)
{
unsigned long m;
m = *(volatile unsigned long*) 0xb00000c8;
m &= 0xfe00;
return m;
}
extern volatile unsigned long xx;
unsigned long
ac2 (void)
{
unsigned long m;
m = xx;
m &= 0xfe00;
return m;
}
extern volatile unsigned long yy[];
unsigned long
ac3 (void)
{
unsigned long m;
m = yy[3];
m &= 0xfe00;
return m;
}
extern volatile unsigned long yy[];
unsigned long
oc3 (void)
{
unsigned long m;
m = yy[3];
m |= ~0xf;
return m;
}
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