74 lines
2.3 KiB
C
74 lines
2.3 KiB
C
/* PR c/81566 - invalid attribute aligned accepted on functions
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{ dg-do compile }
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{ dg-options "-Wall -Wattributes -ftrack-macro-expansion=0" } */
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#define ATTR(list) __attribute__ (list)
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#define ALIGN(n) ATTR ((aligned (n)))
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/* It's okay to increase the alignment of a function. */
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void ALIGN (16) ALIGN (32)
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falign32_1 (void);
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void ALIGN (16) falign32_2 (void);
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void ALIGN (32) falign32_2 (void);
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void falign32_2 (void) { }
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void ALIGN (32) falign32_2 (void);
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/* It's not okay to decrease it. */
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void ALIGN (32) ALIGN (16)
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falign64_3 (void); /* { dg-warning "ignoring attribute .aligned \\(16\\). because it conflicts with attribute .aligned \\(32\\)." } */
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void ALIGN (32)
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falign64_3 (void);
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void falign64_3 (void);
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void falign64_3 (void) { }
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void ALIGN (32)
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falign64_4 (void); /* { dg-message "previous declaration here" } */
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void ALIGN (16)
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falign64_4 (void); /* { dg-warning "ignoring attribute .aligned \\(16\\). because it conflicts with attribute .aligned \\(32\\)." } */
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void ALIGN (32)
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falign64_4 (void); /* { dg-message "previous declaration here" } */
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void ALIGN (16)
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falign64_4 (void); /* { dg-warning "ignoring attribute .aligned \\(16\\). because it conflicts with attribute .aligned \\(32\\)." } */
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void ALIGN (64)
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falign64_4 (void);
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void ALIGN (32)
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falign64_4 (void); /* { dg-warning "ignoring attribute .aligned \\(32\\). because it conflicts with attribute .aligned \\(64\\)." } */
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void falign64_4 (void);
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void ALIGN (64)
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falign64_4 (void) { }
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void falign64_4 (void);
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void ALIGN (64)
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falign64_4 (void);
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void ATTR ((aligned (16), aligned (32)))
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falign64_5 (void);
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void ATTR ((aligned (32), aligned (64)))
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falign64_5 (void);
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void ATTR ((aligned (16), aligned (32), aligned (64)))
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falign64_5 (void); /* { dg-warning "ignoring attribute .aligned \\(16\\). because it conflicts with attribute .aligned \\(64\\)." } */
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/* { dg-warning "ignoring attribute .aligned \\(32\\). because it conflicts with attribute .aligned \\(64\\)." "" { target *-*-* } .-1 } */
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void ATTR ((aligned (16), aligned (32), aligned (16)))
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falign64_6 (void); /* { dg-warning "ignoring attribute .aligned \\(16\\). because it conflicts with attribute .aligned \\(32\\)." } */
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