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timing_analysis_of_dfmul

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timing_analysis_of_dfmul [2013/06/24 18:10] (current)
yvonne.z1229 created
Line 1: Line 1:
 +Timing analysis of dfmul
  
 +FMax: 90.32MHz
 +
 +Critical path: 13.149ns
 +
 +**Start signal: main:​main_inst|main_114_115_phi_temp[39]**
 +
 +**End signal: main:​main_inst|main_114_130_reg[63]**
 +
 +
 +/* main: %114*/
 +/*   %115 = phi i64 [ %112, %normalizeFloat64Subnormal.exit.i ], [ %7, %92 ]*/
 +
 +**main_114_115 = main_114_115_phi_temp;​**
 +
 +/* main: %114*/
 +/*   %122 = lshr i64 %115, 21*/
 +
 +**main_114_122 = (main_114_115 >>>​ (64'​d21 % 64'​d64));​**
 +
 +/* main: %114*/
 +/*   %123 = and i64 %122, 2147483647*/​
 +
 +**main_114_123 = (main_114_122 & 64'​d2147483647);​**
 +
 +/* main: %114*/
 +/*   %124 = or i64 %123, 2147483648*/​
 +
 +**main_114_124 = (main_114_123 | 64'​d2147483648);​**
 +
 +/* main: %114*/
 +/*   %130 = mul i64 %124, %121*/
 +
 +**main_114_130 = (main_114_124 * main_114_121);​**
 +
 +/*   %130 = mul i64 %124, %121*/
 +if ( (cur_state == LEGUP_F_main_BB_114_37) ) 
 +
 +**main_114_130_reg <= main_114_130;​**
timing_analysis_of_dfmul.txt ยท Last modified: 2013/06/24 18:10 by yvonne.z1229