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