1 /* { dg-do compile } */ 2 /* { dg-options "-O2 -ftree-loop-distribution -ftree-loop-distribute-patterns -fdump-tree-ldist-details -fdisable-tree-cunroll -fdisable-tree-cunrolli" } */ 3 4 typedef int mad_fixed_t; 5 struct mad_pcm 6 { 7 unsigned int samplerate; 8 unsigned short channels; 9 unsigned short length; 10 mad_fixed_t samples[2][1152]; 11 }; 12 struct mad_synth 13 { 14 mad_fixed_t filter[2][2][2][16][8]; 15 unsigned int phase; 16 struct mad_pcm pcm; 17 }; 18 void mad_synth_mute (struct mad_synth *synth); 19 void mad_synth_mute(struct mad_synth * synth)20mad_synth_mute (struct mad_synth *synth) 21 { 22 unsigned int ch; 23 unsigned int s; 24 unsigned int v; 25 26 ch = 0U; 27 while (ch < 2U) 28 { 29 s = 0U; 30 while (s < 16U) 31 { 32 v = 0U; 33 while (v < 8U) 34 { 35 synth->filter[ch][1][1][s][v] = 0; 36 synth->filter[ch][1][0][s][v] = 0; 37 synth->filter[ch][0][1][s][v] = 0; 38 synth->filter[ch][0][0][s][v] = 0; 39 v++; 40 } 41 s++; 42 } 43 ch++; 44 } 45 return; 46 } 47 48 /* { dg-final { scan-tree-dump "Loop nest . distributed: split to 0 loops and 1 library calls" "ldist" } } */ 49 /* { dg-final { scan-tree-dump-times "generated memset zero" 1 "ldist" } } */ 50