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| Rev 298 |
Rev 338 |
/* { dg-do compile } */
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/* { dg-do compile } */
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/* { dg-options "-O2 -fdump-tree-pre-stats" } */
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/* { dg-options "-O2 -fdump-tree-pre-stats" } */
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unsigned long outcnt;
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unsigned long outcnt;
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extern void flush_outbuf(void);
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extern void flush_outbuf(void);
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void
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void
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bi_windup(unsigned int *outbuf, unsigned int bi_buf)
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bi_windup(unsigned int *outbuf, unsigned int bi_buf)
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{
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{
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unsigned long t1 = outcnt;
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unsigned long t1 = outcnt;
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outbuf[t1] = bi_buf;
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outbuf[t1] = bi_buf;
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unsigned long t2 = outcnt;
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unsigned long t2 = outcnt;
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if (t2 == 16384)
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if (t2 == 16384)
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flush_outbuf();
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flush_outbuf();
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unsigned long t3 = outcnt;
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unsigned long t3 = outcnt;
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outbuf[t3] = bi_buf;
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outbuf[t3] = bi_buf;
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}
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}
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/* We should eliminate one load of outcnt, which will in turn let us eliminate
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/* We should eliminate one load of outcnt, which will in turn let us eliminate
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one multiply of outcnt which will in turn let us eliminate
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one multiply of outcnt which will in turn let us eliminate
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one add involving outcnt and outbuf. */
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one add involving outcnt and outbuf. */
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/* { dg-final { scan-tree-dump-times "Eliminated: 3" 1 "pre" {target { ! avr-*-* } } } } */
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/* { dg-final { scan-tree-dump-times "Eliminated: 3" 1 "pre" {target { ! avr-*-* } } } } */
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/* { dg-final { scan-tree-dump-times "Eliminated: 4" 1 "pre" {target { avr-*-* } } } } */
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/* { dg-final { scan-tree-dump-times "Eliminated: 4" 1 "pre" {target { avr-*-* } } } } */
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/* { dg-final { cleanup-tree-dump "pre" } } */
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/* { dg-final { cleanup-tree-dump "pre" } } */
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