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  1. Dec 29, 2007
  2. Nov 14, 2007
  3. Nov 09, 2007
    • Evan Cheng's avatar
      Much improved pic jumptable codegen: · 797d56ff
      Evan Cheng authored
      Then:
              call    "L1$pb"
      "L1$pb":
              popl    %eax
      		...
      LBB1_1: # entry
              imull   $4, %ecx, %ecx
              leal    LJTI1_0-"L1$pb"(%eax), %edx
              addl    LJTI1_0-"L1$pb"(%ecx,%eax), %edx
              jmpl    *%edx
      
              .align  2
              .set L1_0_set_3,LBB1_3-LJTI1_0
              .set L1_0_set_2,LBB1_2-LJTI1_0
              .set L1_0_set_5,LBB1_5-LJTI1_0
              .set L1_0_set_4,LBB1_4-LJTI1_0
      LJTI1_0:
              .long    L1_0_set_3
              .long    L1_0_set_2
      
      Now:
              call    "L1$pb"
      "L1$pb":
              popl    %eax
      		...
      LBB1_1: # entry
              addl    LJTI1_0-"L1$pb"(%eax,%ecx,4), %eax
              jmpl    *%eax
      
      		.align  2
      		.set L1_0_set_3,LBB1_3-"L1$pb"
      		.set L1_0_set_2,LBB1_2-"L1$pb"
      		.set L1_0_set_5,LBB1_5-"L1$pb"
      		.set L1_0_set_4,LBB1_4-"L1$pb"
      LJTI1_0:
              .long    L1_0_set_3
              .long    L1_0_set_2
      
      llvm-svn: 43924
      797d56ff
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