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111
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1 /* { dg-do assemble } */
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2 /* { dg-skip-if "" { pdp11-*-* } { "-O0" } { "" } } */
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3
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4 /* PR optimization/5892 */
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5 typedef struct { unsigned long a; unsigned int b, c; } A;
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6 typedef struct { unsigned long a; A *b; int c; } B;
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7
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8 static inline unsigned int
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9 bar (unsigned int x)
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10 {
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11 unsigned long r;
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12 asm ("" : "=r" (r) : "0" (x));
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13 return r >> 31;
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14 }
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15
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16 int foo (B *x)
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17 {
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18 A *y;
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19 y = x->b;
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20 y->b = bar (x->c);
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21 y->c = ({ unsigned int z = 1; (z << 24) | (z >> 24); });
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22 }
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