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111
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1 /* { dg-do assemble } */
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2 /* { dg-skip-if "too much code for avr" { "avr-*-*" } } */
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3 /* { dg-skip-if "too much code for pdp11" { "pdp11-*-*" } } */
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4 /* { dg-xfail-if "PR36698" { spu-*-* } { "-O0" } { "" } } */
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5 /* { dg-skip-if "" { m32c-*-* } } */
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6 /* { dg-timeout-factor 4.0 } */
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7
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8 /* This testcase exposed two branch shortening bugs on powerpc. */
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9
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10 #define C(a,b) \
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11 if (a > b) goto gt; \
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12 if (a < b) goto lt;
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13
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14 #define C4(x,b) C((x)[0], b) C((x)[1],b) C((x)[2],b) C((x)[3],b)
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15 #define C16(x,y) C4(x, (y)[0]) C4(x, (y)[1]) C4(x, (y)[2]) C4(x, (y)[3])
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16
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17 #define C64(x,y) C16(x,y) C16(x+4,y) C16(x+8,y) C16(x+12,y)
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18 #define C256(x,y) C64(x,y) C64(x,y+4) C64(x,y+8) C64(x,y+12)
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19
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20 #define C1024(x,y) C256(x,y) C256(x+16,y) C256(x+32,y) C256(x+48,y)
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21 #define C4096(x,y) C1024(x,y) C1024(x,y+16) C1024(x,y+32) C1024(x,y+48)
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22
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23 unsigned foo(int x[64], int y[64])
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24 {
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25 C4096(x,y);
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26
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27 return 0x01234567;
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28 gt:
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29 return 0x12345678;
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30 lt:
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31 return 0xF0123456;
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32 }
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33
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