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-.file "tancot.s"
-
-
-// Copyright (c) 2000 - 2003, Intel Corporation
-// All rights reserved.
-//
-// Contributed 2000 by the Intel Numerics Group, Intel Corporation
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-// * Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-//
-// * Redistributions in binary form must reproduce the above copyright
-// notice, this list of conditions and the following disclaimer in the
-// documentation and/or other materials provided with the distribution.
-//
-// * The name of Intel Corporation may not be used to endorse or promote
-// products derived from this software without specific prior written
-// permission.
-
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL INTEL OR ITS 
-// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
-// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 
-// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 
-// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 
-// OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY OR TORT (INCLUDING
-// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 
-// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
-//
-// Intel Corporation is the author of this code, and requests that all
-// problem reports or change requests be submitted to it directly at 
-// http://www.intel.com/software/products/opensource/libraries/num.htm.
-//
-// History
-//==============================================================
-// 02/02/00 Initial version
-// 04/04/00 Unwind support added
-// 12/27/00 Improved speed
-// 02/21/01 Updated to call tanl
-// 05/30/02 Added cot
-// 02/10/03 Reordered header: .section, .global, .proc, .align
-//
-// API
-//==============================================================
-// double tan(double x);
-// double cot(double x);
-//
-// Overview of operation
-//==============================================================
-// If the input value in radians is |x| >= 1.xxxxx 2^10 call the
-// older slower version.
-//
-// The new algorithm is used when |x| <= 1.xxxxx 2^9.
-//
-// Represent the input X as Nfloat * pi/2 + r
-//    where r can be negative and |r| <= pi/4
-//
-//     tan_W  = x * 2/pi
-//     Nfloat = round_int(tan_W)
-//
-//     tan_r  = x - Nfloat * (pi/2)_hi
-//  a) tan_r  = tan_r - Nfloat * (pi/2)_lo (for tan)
-//  b) tan_r  = Nfloat * (pi/2)_lo - tan_r (for cot)
-//
-// We have two paths: p8, when Nfloat is even and p9. when Nfloat is odd.
-//  a) for tan:  p8: tan(X) =  tan(r)
-//               p9: tan(X) = -cot(r)
-//  b) for cot:  p9: cot(X) =  cot(r)
-//               p8: cot(X) = -tan(r)
-//
-// Each is evaluated as a series. The p9 path requires 1/r.
-//
-// The coefficients used in the series are stored in a table as
-// are the pi constants.
-//
-// Registers used
-//==============================================================
-//
-// predicate registers used:
-// p6-12
-//
-// floating-point registers used:
-// f10-15, f32-106
-// f8, input
-//
-// general registers used
-// r14-26, r32-39
-//
-// Assembly macros
-//==============================================================
-TAN_INV_PI_BY_2_2TO64        = f10
-TAN_RSHF_2TO64               = f11
-TAN_2TOM64                   = f12
-TAN_RSHF                     = f13
-TAN_W_2TO64_RSH              = f14
-TAN_NFLOAT                   = f15
-
-tan_Inv_Pi_by_2              = f32
-tan_Pi_by_2_hi               = f33
-tan_Pi_by_2_lo               = f34
-
-
-tan_P0                       = f35
-tan_P1                       = f36
-tan_P2                       = f37
-tan_P3                       = f38
-tan_P4                       = f39
-tan_P5                       = f40
-tan_P6                       = f41
-tan_P7                       = f42
-tan_P8                       = f43
-tan_P9                       = f44
-tan_P10                      = f45
-tan_P11                      = f46
-tan_P12                      = f47
-tan_P13                      = f48
-tan_P14                      = f49
-tan_P15                      = f50
-
-tan_Q0                       = f51
-tan_Q1                       = f52
-tan_Q2                       = f53
-tan_Q3                       = f54
-tan_Q4                       = f55
-tan_Q5                       = f56
-tan_Q6                       = f57
-tan_Q7                       = f58
-tan_Q8                       = f59
-tan_Q9                       = f60
-tan_Q10                      = f61
-
-tan_r                        = f62
-tan_rsq                      = f63
-tan_rcube                    = f64
-
-tan_v18                      = f65
-tan_v16                      = f66
-tan_v17                      = f67
-tan_v12                      = f68
-tan_v13                      = f69
-tan_v7                       = f70
-tan_v8                       = f71
-tan_v4                       = f72
-tan_v5                       = f73
-tan_v15                      = f74
-tan_v11                      = f75
-tan_v14                      = f76
-tan_v3                       = f77
-tan_v6                       = f78
-tan_v10                      = f79
-tan_v2                       = f80
-tan_v9                       = f81
-tan_v1                       = f82
-tan_int_Nfloat               = f83
-tan_Nfloat                   = f84
-
-tan_NORM_f8                  = f85
-tan_W                        = f86
-
-tan_y0                       = f87
-tan_d                        = f88
-tan_y1                       = f89
-tan_dsq                      = f90
-tan_y2                       = f91
-tan_d4                       = f92
-tan_inv_r                    = f93
-
-tan_z1                       = f94
-tan_z2                       = f95
-tan_z3                       = f96
-tan_z4                       = f97
-tan_z5                       = f98
-tan_z6                       = f99
-tan_z7                       = f100
-tan_z8                       = f101
-tan_z9                       = f102
-tan_z10                      = f103
-tan_z11                      = f104
-tan_z12                      = f105
-
-arg_copy                     = f106
-
-/////////////////////////////////////////////////////////////
-
-tan_GR_sig_inv_pi_by_2       = r14
-tan_GR_rshf_2to64            = r15
-tan_GR_exp_2tom64            = r16
-tan_GR_n                     = r17
-tan_GR_rshf                  = r18
-tan_AD                       = r19
-tan_GR_10009                 = r20
-tan_GR_17_ones               = r21
-tan_GR_N_odd_even            = r22
-tan_GR_N                     = r23
-tan_signexp                  = r24
-tan_exp                      = r25
-tan_ADQ                      = r26
-
-GR_SAVE_B0                   = r33
-GR_SAVE_PFS                  = r34
-GR_SAVE_GP                   = r35
-GR_Parameter_X               = r36
-GR_Parameter_Y               = r37
-GR_Parameter_RESULT          = r38
-GR_Parameter_Tag             = r39
-
-
-RODATA
-
-.align 16
-
-LOCAL_OBJECT_START(double_tan_constants)
-   data8 0xC90FDAA22168C234, 0x00003FFF // pi/2 hi
-   data8 0xBEEA54580DDEA0E1 // P14
-   data8 0x3ED3021ACE749A59 // P15
-   data8 0xBEF312BD91DC8DA1 // P12
-   data8 0x3EFAE9AFC14C5119 // P13
-   data8 0x3F2F342BF411E769 // P8
-   data8 0x3F1A60FC9F3B0227 // P9
-   data8 0x3EFF246E78E5E45B // P10
-   data8 0x3F01D9D2E782875C // P11
-   data8 0x3F8226E34C4499B6 // P4
-   data8 0x3F6D6D3F12C236AC // P5
-   data8 0x3F57DA1146DCFD8B // P6
-   data8 0x3F43576410FE3D75 // P7
-   data8 0x3FD5555555555555 // P0
-   data8 0x3FC11111111111C2 // P1
-   data8 0x3FABA1BA1BA0E850 // P2
-   data8 0x3F9664F4886725A7 // P3
-LOCAL_OBJECT_END(double_tan_constants)
-
-LOCAL_OBJECT_START(double_Q_tan_constants)
-   data8 0xC4C6628B80DC1CD1, 0x00003FBF // pi/2 lo
-   data8 0x3E223A73BA576E48 // Q8
-   data8 0x3DF54AD8D1F2CA43 // Q9
-   data8 0x3EF66A8EE529A6AA // Q4
-   data8 0x3EC2281050410EE6 // Q5
-   data8 0x3E8D6BB992CC3CF5 // Q6
-   data8 0x3E57F88DE34832E4 // Q7
-   data8 0x3FD5555555555555 // Q0
-   data8 0x3F96C16C16C16DB8 // Q1
-   data8 0x3F61566ABBFFB489 // Q2
-   data8 0x3F2BBD77945C1733 // Q3
-   data8 0x3D927FB33E2B0E04 // Q10
-LOCAL_OBJECT_END(double_Q_tan_constants)
-
-
-.section .text
-
-////////////////////////////////////////////////////////
-
-LOCAL_LIBM_ENTRY(cot)
-// The initial fnorm will take any unmasked faults and
-// normalize any single/double unorms
-
-{ .mlx
-      cmp.eq    p12, p11 = r0, r0 // set p12=1, p11=0 for cot
-      movl tan_GR_sig_inv_pi_by_2 = 0xA2F9836E4E44152A // significand of 2/pi
-}
-{ .mlx
-      addl           tan_AD   = @ltoff(double_tan_constants), gp
-      movl tan_GR_rshf_2to64 = 0x47e8000000000000 // 1.1000 2^(63+63+1)
-}
-;;
-
-{ .mlx
-      mov tan_GR_exp_2tom64 = 0xffff-64 // exponent of scaling factor 2^-64
-      movl tan_GR_rshf = 0x43e8000000000000 // 1.1000 2^63 for right shift
-}
-{ .mfb
-      ld8 tan_AD = [tan_AD]
-      fnorm.s0  tan_NORM_f8  = f8
-      br.cond.sptk COMMON_PATH
-}
-;;
-
-LOCAL_LIBM_END(cot)
-
-
-GLOBAL_IEEE754_ENTRY(tan)
-// The initial fnorm will take any unmasked faults and
-// normalize any single/double unorms
-
-{ .mlx
-      cmp.eq    p11, p12 = r0, r0 // set p11=1, p12=0 for tan
-      movl tan_GR_sig_inv_pi_by_2 = 0xA2F9836E4E44152A // significand of 2/pi
-}
-{ .mlx
-      addl           tan_AD   = @ltoff(double_tan_constants), gp
-      movl tan_GR_rshf_2to64 = 0x47e8000000000000 // 1.1000 2^(63+63+1)
-}
-;;
-
-{ .mlx
-      mov tan_GR_exp_2tom64 = 0xffff-64 // exponent of scaling factor 2^-64
-      movl tan_GR_rshf = 0x43e8000000000000 // 1.1000 2^63 for right shift
-}
-{ .mfi
-      ld8 tan_AD = [tan_AD]
-      fnorm.s0  tan_NORM_f8  = f8
-      nop.i     0
-}
-;;
-
-
-// Common path for both tan and cot
-COMMON_PATH:
-// Form two constants we need
-//   2/pi * 2^1 * 2^63, scaled by 2^64 since we just loaded the significand
-//   1.1000...000 * 2^(63+63+1) to right shift int(W) into the significand
-{ .mmi
-      setf.sig TAN_INV_PI_BY_2_2TO64 = tan_GR_sig_inv_pi_by_2
-      setf.d TAN_RSHF_2TO64 = tan_GR_rshf_2to64
-      mov       tan_GR_17_ones     = 0x1ffff             ;;
-}
-
-
-// Form another constant
-//   2^-64 for scaling Nfloat
-//   1.1000...000 * 2^63, the right shift constant
-{ .mmf
-      setf.exp TAN_2TOM64 = tan_GR_exp_2tom64
-      adds tan_ADQ = double_Q_tan_constants - double_tan_constants, tan_AD
-(p11) fclass.m.unc  p6,p0 = f8, 0x07  // Test for x=0 (tan)
-}
-;;
-
-
-// Form another constant
-//   2^-64 for scaling Nfloat
-//   1.1000...000 * 2^63, the right shift constant
-{ .mmf
-      setf.d TAN_RSHF = tan_GR_rshf
-      ldfe      tan_Pi_by_2_hi = [tan_AD],16
-      fclass.m.unc  p7,p0 = f8, 0x23  // Test for x=inf
-}
-;;
-
-{ .mfb
-      ldfe      tan_Pi_by_2_lo = [tan_ADQ],16
-      fclass.m.unc  p8,p0 = f8, 0xc3  // Test for x=nan
-(p6)  br.ret.spnt    b0    ;;         // Exit for x=0 (tan only)
-}
-
-{ .mfi
-      ldfpd     tan_P14,tan_P15 = [tan_AD],16
-(p7)  frcpa.s0  f8,p9=f0,f0           // Set qnan indef if x=inf
-      mov       tan_GR_10009 = 0x10009
-}
-{ .mib
-      ldfpd      tan_Q8,tan_Q9  = [tan_ADQ],16
-      nop.i 999
-(p7)  br.ret.spnt    b0    ;;         // Exit for x=inf
-}
-
-{ .mfi
-      ldfpd      tan_P12,tan_P13 = [tan_AD],16
-(p12) fclass.m.unc  p6,p0 = f8, 0x07  // Test for x=0 (cot)
-      nop.i 999
-}
-{ .mfb
-      ldfpd      tan_Q4,tan_Q5  = [tan_ADQ],16
-(p8)  fma.d.s0   f8=f8,f1,f8          // Set qnan if x=nan
-(p8)  br.ret.spnt    b0    ;;         // Exit for x=nan
-}
-
-{ .mmf
-      getf.exp  tan_signexp    = tan_NORM_f8
-      ldfpd     tan_P8,tan_P9  = [tan_AD],16
-      fmerge.s  arg_copy       = f8, f8 ;; // Save input for error call
-}
-
-// Multiply x by scaled 2/pi and add large const to shift integer part of W to
-//   rightmost bits of significand
-{ .mmf
-      alloc      r32=ar.pfs,0,4,4,0
-      ldfpd      tan_Q6,tan_Q7  = [tan_ADQ],16
-      fma.s1 TAN_W_2TO64_RSH = tan_NORM_f8,TAN_INV_PI_BY_2_2TO64,TAN_RSHF_2TO64
-};;
-
-{ .mmf
-      ldfpd      tan_P10,tan_P11 = [tan_AD],16
-      and       tan_exp = tan_GR_17_ones, tan_signexp
-(p6)  frcpa.s0  f8, p0 = f1, f8 ;;        // cot(+-0) = +-Inf
-}
-
-
-// p7 is true if we must call DBX TAN
-// p7 is true if f8 exp is > 0x10009 (which includes all ones
-//    NAN or inf)
-{ .mmb
-      ldfpd      tan_Q0,tan_Q1  = [tan_ADQ],16
-      cmp.ge.unc  p7,p0 = tan_exp,tan_GR_10009
-(p7)  br.cond.spnt   TAN_DBX ;;
-}
-
-
-{ .mmb
-      ldfpd      tan_P4,tan_P5  = [tan_AD],16
-(p6)  mov GR_Parameter_Tag = 226          // (cot)
-(p6)  br.cond.spnt __libm_error_region ;; // call error support if cot(+-0)
-}
-
-
-{ .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 ;;
-}
-
-
-{ .mmi
-      getf.sig    tan_GR_n = TAN_W_2TO64_RSH
-      ldfpd      tan_P2,tan_P3  = [tan_AD]
-      nop.i 999 ;;
-}
-
-// tan_r          = -tan_Nfloat * tan_Pi_by_2_hi + x
-{ .mfi
-(p12) add        tan_GR_n = 0x1, tan_GR_n // N = N + 1 (for cot)
-      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      ;;
-}
-
-
-.pred.rel "mutex", p11, p12
-// tan_r          = tan_r -tan_Nfloat * tan_Pi_by_2_lo (tan)
-{ .mfi
-      nop.m 999
-(p11) fnma.s1  tan_r      = TAN_NFLOAT, tan_Pi_by_2_lo,  tan_r
-      nop.i 999
-}
-// tan_r          = -(tan_r -tan_Nfloat * tan_Pi_by_2_lo) (cot)
-{ .mfi
-      nop.m 999
-(p12) fms.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, p0 = 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 ;;
-}
-GLOBAL_IEEE754_END(tan)
-
-
-LOCAL_LIBM_ENTRY(__libm_callout)
-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
-{ .mmb
-      nop.m 999
-      nop.m 999
-(p11) br.cond.sptk.many  call_tanl ;;
-}
-
-// Here if we should call cotl
-{ .mmb
-      nop.m 999
-      nop.m 999
-      br.call.sptk.many  b0=__libm_cotl# ;;
-}
-
-{ .mfi
-      mov gp        = GR_SAVE_GP
-      fnorm.d.s0 f8 = f8
-      mov b0        = GR_SAVE_B0
-}
-;;
-
-{ .mib
-      nop.m 999
-      mov ar.pfs    = GR_SAVE_PFS
-      br.ret.sptk     b0
-;;
-}
-
-// Here if we should call tanl
-call_tanl:
-{ .mmb
-      nop.m 999
-      nop.m 999
-      br.call.sptk.many  b0=__libm_tanl# ;;
-}
-
-{ .mfi
-      mov gp        = GR_SAVE_GP
-      fnorm.d.s0 f8 = f8
-      mov b0        = GR_SAVE_B0
-}
-;;
-
-{ .mib
-      nop.m 999
-      mov ar.pfs    = GR_SAVE_PFS
-      br.ret.sptk     b0
-;;
-}
-
-LOCAL_LIBM_END(__libm_callout)
-
-.type __libm_tanl#,@function
-.global __libm_tanl#
-.type __libm_cotl#,@function
-.global __libm_cotl#
-
-LOCAL_LIBM_ENTRY(__libm_error_region)
-.prologue
-
-// (1)
-{ .mfi
-      add           GR_Parameter_Y=-32,sp        // Parameter 2 value
-      nop.f 0
-.save   ar.pfs,GR_SAVE_PFS
-      mov           GR_SAVE_PFS=ar.pfs           // Save ar.pfs
-}
-{ .mfi
-.fframe 64
-      add sp=-64,sp                              // Create new stack
-      nop.f 0
-      mov GR_SAVE_GP=gp                          // Save gp
-};;
-
-// (2)
-{ .mmi
-      stfd [GR_Parameter_Y] = f1,16              // STORE Parameter 2 on stack
-      add GR_Parameter_X = 16,sp                 // Parameter 1 address
-.save   b0, GR_SAVE_B0
-      mov GR_SAVE_B0=b0                          // Save b0
-};;
-
-.body
-// (3)
-{ .mib
-      stfd [GR_Parameter_X] = arg_copy           // STORE Parameter 1 on stack
-      add   GR_Parameter_RESULT = 0,GR_Parameter_Y  // Parameter 3 address
-      nop.b 0
-}
-{ .mib
-      stfd [GR_Parameter_Y] = f8                 // STORE Parameter 3 on stack
-      add   GR_Parameter_Y = -16,GR_Parameter_Y
-      br.call.sptk b0=__libm_error_support#      // Call error handling function
-};;
-{ .mmi
-      nop.m 0
-      nop.m 0
-      add   GR_Parameter_RESULT = 48,sp
-};;
-
-// (4)
-{ .mmi
-      ldfd  f8 = [GR_Parameter_RESULT]           // Get return result off stack
-.restore sp
-      add   sp = 64,sp                           // Restore stack pointer
-      mov   b0 = GR_SAVE_B0                      // Restore return address
-};;
-{ .mib
-      mov   gp = GR_SAVE_GP                      // Restore gp
-      mov   ar.pfs = GR_SAVE_PFS                 // Restore ar.pfs
-      br.ret.sptk     b0                         // Return
-};;
-
-LOCAL_LIBM_END(__libm_error_region)
-
-.type   __libm_error_support#,@function
-.global __libm_error_support#
-