/* 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-*-* } } */ /* { 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; }
