s_tan.s

Glibc 2.3.2源代码(解压后有100多M)

}


{ .mmb
      ldfpd      tan_P4,tan_P5  = [tan_AD],16                         
      nop.m 999
(p7)  br.cond.spnt   L(TAN_DBX) ;;                                  
}


{ .mmi
      ldfpd      tan_Q2,tan_Q3  = [tan_ADQ],16                         
      nop.m 999
      nop.i 999 ;;
}



// TAN_NFLOAT = Round_Int_Nearest(tan_W)
{ .mfi
      ldfpd      tan_P6,tan_P7  = [tan_AD],16                         
      fms.s1 TAN_NFLOAT = TAN_W_2TO64_RSH,TAN_2TOM64,TAN_RSHF      
      nop.i 999 ;;
}


{ .mfi
      ldfd      tan_Q10 = [tan_ADQ]
      nop.f 999
      nop.i 999 ;;
}


{ .mfi
      ldfpd      tan_P0,tan_P1  = [tan_AD],16                         
      nop.f 999
      nop.i 999 ;;
}


{ .mfi
      getf.sig    tan_GR_n = TAN_W_2TO64_RSH
      nop.f 999
      nop.i 999 ;;
}

// tan_r          = -tan_Nfloat * tan_Pi_by_2_hi + x
{ .mfi
      ldfpd      tan_P2,tan_P3  = [tan_AD]
      fnma.s1  tan_r      = TAN_NFLOAT, tan_Pi_by_2_hi,  tan_NORM_f8         
      nop.i 999 ;;
}


// p8 ==> even
// p9 ==> odd
{ .mmi
      and         tan_GR_N_odd_even = 0x1, tan_GR_n ;;          
      nop.m 999
      cmp.eq.unc  p8,p9          = tan_GR_N_odd_even, r0      ;;
}


// tan_r          = tan_r -tan_Nfloat * tan_Pi_by_2_lo 
{ .mfi
      nop.m 999
      fnma.s1  tan_r      = TAN_NFLOAT, tan_Pi_by_2_lo,  tan_r      
      nop.i 999 ;;
}


{ .mfi
      nop.m 999
      fma.s1   tan_rsq    = tan_r, tan_r,   f0                      
      nop.i 999 ;;
}


{ .mfi
      nop.m 999
(p9)  frcpa.s1   tan_y0, p10 = f1,tan_r                  
      nop.i 999  ;;
}


{ .mfi
      nop.m 999
(p8)  fma.s1  tan_v18 = tan_rsq, tan_P15, tan_P14        
      nop.i 999
}
{ .mfi
      nop.m 999
(p8)  fma.s1  tan_v4  = tan_rsq, tan_P1, tan_P0          
      nop.i 999  ;;
}



{ .mfi
      nop.m 999
(p8)  fma.s1  tan_v16 = tan_rsq, tan_P13, tan_P12        
      nop.i 999 
}
{ .mfi
      nop.m 999
(p8)  fma.s1  tan_v17 = tan_rsq, tan_rsq, f0             
      nop.i 999 ;;
}



{ .mfi
      nop.m 999
(p8)  fma.s1  tan_v12 = tan_rsq, tan_P9, tan_P8          
      nop.i 999 
}
{ .mfi
      nop.m 999
(p8)  fma.s1  tan_v13 = tan_rsq, tan_P11, tan_P10        
      nop.i 999 ;;
}



{ .mfi
      nop.m 999
(p8)  fma.s1  tan_v7  = tan_rsq, tan_P5, tan_P4          
      nop.i 999 
}
{ .mfi
      nop.m 999
(p8)  fma.s1  tan_v8  = tan_rsq, tan_P7, tan_P6          
      nop.i 999 ;;
}



{ .mfi
      nop.m 999
(p9)  fnma.s1    tan_d   = tan_r, tan_y0, f1   
      nop.i 999 
}
{ .mfi
      nop.m 999
(p8)  fma.s1  tan_v5  = tan_rsq, tan_P3, tan_P2          
      nop.i 999 ;;
}



{ .mfi
      nop.m 999
(p9)  fma.s1  tan_z11 = tan_rsq, tan_Q9, tan_Q8         
      nop.i 999
}
{ .mfi
      nop.m 999
(p9)  fma.s1  tan_z12 = tan_rsq, tan_rsq, f0            
      nop.i 999 ;;
}


{ .mfi
      nop.m 999
(p8)  fma.s1  tan_v15 = tan_v17, tan_v18, tan_v16        
      nop.i 999 
}
{ .mfi
      nop.m 999
(p9)  fma.s1  tan_z7 = tan_rsq, tan_Q5, tan_Q4          
      nop.i 999 ;;
}


{ .mfi
      nop.m 999
(p8)  fma.s1  tan_v11 = tan_v17, tan_v13, tan_v12        
      nop.i 999
}
{ .mfi
      nop.m 999
(p9)  fma.s1  tan_z8 = tan_rsq, tan_Q7, tan_Q6          
      nop.i 999 ;;
}



{ .mfi
      nop.m 999
(p8)  fma.s1  tan_v14 = tan_v17, tan_v17, f0             
      nop.i 999 
}
{ .mfi
      nop.m 999
(p9)  fma.s1  tan_z3 = tan_rsq, tan_Q1, tan_Q0          
      nop.i 999 ;; 
}




{ .mfi
      nop.m 999
(p8)  fma.s1  tan_v3 = tan_v17, tan_v5, tan_v4           
      nop.i 999
}
{ .mfi
      nop.m 999
(p8)  fma.s1  tan_v6 = tan_v17, tan_v8, tan_v7           
      nop.i 999 ;;
}



{ .mfi
      nop.m 999
(p9)  fma.s1     tan_y1  = tan_y0, tan_d, tan_y0    
      nop.i 999 
}
{ .mfi
      nop.m 999
(p9)  fma.s1     tan_dsq = tan_d, tan_d, f0        
      nop.i 999 ;; 
}


{ .mfi
      nop.m 999
(p9)  fma.s1  tan_z10 = tan_z12, tan_Q10, tan_z11       
      nop.i 999 
}
{ .mfi
      nop.m 999
(p9)  fma.s1  tan_z9  = tan_z12, tan_z12,f0             
      nop.i 999 ;;
}


{ .mfi
      nop.m 999
(p9)  fma.s1  tan_z4 = tan_rsq, tan_Q3, tan_Q2          
      nop.i 999 
}
{ .mfi
      nop.m 999
(p9)  fma.s1  tan_z6  = tan_z12, tan_z8, tan_z7         
      nop.i 999 ;; 
}



{ .mfi
      nop.m 999
(p8)  fma.s1  tan_v10 = tan_v14, tan_v15, tan_v11        
      nop.i 999 ;; 
}



{ .mfi
      nop.m 999
(p9)  fma.s1     tan_y2  = tan_y1, tan_d, tan_y0         
      nop.i 999 
}
{ .mfi
      nop.m 999
(p9)  fma.s1     tan_d4  = tan_dsq, tan_dsq, tan_d       
      nop.i 999  ;;
}


{ .mfi
      nop.m 999
(p8)  fma.s1  tan_v2 = tan_v14, tan_v6, tan_v3           
      nop.i 999
}
{ .mfi
      nop.m 999
(p8)  fma.s1  tan_v9 = tan_v14, tan_v14, f0              
      nop.i 999 ;;
}


{ .mfi
      nop.m 999
(p9)  fma.s1  tan_z2  = tan_z12, tan_z4, tan_z3         
      nop.i 999 
}
{ .mfi
      nop.m 999
(p9)  fma.s1  tan_z5  = tan_z9, tan_z10, tan_z6         
      nop.i 999  ;;
}


{ .mfi
      nop.m 999
(p9)  fma.s1     tan_inv_r = tan_d4, tan_y2, tan_y0      
      nop.i 999 
}
{ .mfi
      nop.m 999
(p8)  fma.s1   tan_rcube  = tan_rsq, tan_r,   f0
      nop.i 999  ;;
}



{ .mfi
      nop.m 999
(p8)  fma.s1  tan_v1 = tan_v9, tan_v10, tan_v2           
      nop.i 999 
}
{ .mfi
      nop.m 999
(p9)  fma.s1  tan_z1  = tan_z9, tan_z5, tan_z2          
      nop.i 999   ;;
}



{ .mfi
      nop.m 999
(p8)  fma.d.s0  f8  = tan_v1, tan_rcube, tan_r             
      nop.i 999  
}
{ .mfb
      nop.m 999
(p9)  fms.d.s0  f8  = tan_r, tan_z1, tan_inv_r        
      br.ret.sptk    b0 ;;    
}
.endp tan#
ASM_SIZE_DIRECTIVE(tan)


.proc __libm_callout
__libm_callout:
L(TAN_DBX): 
.prologue

{ .mfi
        nop.m 0
     fmerge.s f9 = f0,f0 
.save   ar.pfs,GR_SAVE_PFS
        mov  GR_SAVE_PFS=ar.pfs
}
;;

{ .mfi
        mov GR_SAVE_GP=gp
        nop.f 0
.save   b0, GR_SAVE_B0
        mov GR_SAVE_B0=b0
}

.body
{ .mfb
      nop.m 999
      nop.f 999
       br.call.sptk.many  b0=__libm_tan# ;;
}


{ .mfi
       mov gp        = GR_SAVE_GP
      fnorm.d     f8 = f8
       mov b0        = GR_SAVE_B0 
}
;;


{ .mib
         nop.m 999
      mov ar.pfs    = GR_SAVE_PFS
      br.ret.sptk     b0
;;
}


.endp  __libm_callout
ASM_SIZE_DIRECTIVE(__libm_callout)

.type __libm_tan#,@function
.global __libm_tan#