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[/] [openrisc/] [trunk/] [gnu-old/] [gcc-4.2.2/] [gcc/] [testsuite/] [gcc.dg/] [reg-vol-struct-1.c] - Blame information for rev 867

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Line No. Rev Author Line
1 149 jeremybenn
/* Test cases of structures with volatile fields declared register:
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   should be allowed unless register name given but explicitly taking
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   the address forbidden.  */
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/* Origin: Joseph Myers <jsm@polyomino.org.uk> */
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/* { dg-do compile } */
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struct S { volatile int field; };
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void
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f (void)
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{
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  register struct S a;
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  register struct S b[2];
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  register struct S c __asm__("nosuchreg"); /* { dg-error "object with volatile field" "explicit reg name" } */
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  &a; /* { dg-warning "address of register" "explicit address" } */
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  b; /* { dg-warning "address of register" "implicit address" } */
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}

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