Home | History | Annotate | Download | only in x86
      1 %default {"result":"%eax"}
      2 /*
      3  * Generic 32-bit "/2addr" binary operation.  Provide an "instr" line
      4  * that specifies an instruction that performs "result = r0 op r1".
      5  * This could be an instruction or a function call.
      6  *
      7  * For: add-int/2addr, sub-int/2addr, mul-int/2addr, div-int/2addr,
      8  *      rem-int/2addr, and-int/2addr, or-int/2addr, xor-int/2addr,
      9  *      shl-int/2addr, shr-int/2addr, ushr-int/2addr, add-float/2addr,
     10  *      sub-float/2addr, mul-float/2addr, div-float/2addr, rem-float/2addr
     11  */
     12     /* binop/2addr vA, vB */
     13     movzx   rINSTbl, %ecx                   # ecx <- A+
     14     sarl    $$4, rINST                      # rINST <- B
     15     GET_VREG %eax, rINST                    # eax <- vB
     16     andb    $$0xf, %cl                      # ecx <- A
     17     $instr                                  # for ex: addl   %eax,(rFP,%ecx,4)
     18     CLEAR_REF %ecx
     19     ADVANCE_PC_FETCH_AND_GOTO_NEXT 1
     20