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Diffstat (limited to 'sysdeps/ia64/fpu/s_tan.S')
| -rw-r--r-- | sysdeps/ia64/fpu/s_tan.S | 877 |
1 files changed, 0 insertions, 877 deletions
diff --git a/sysdeps/ia64/fpu/s_tan.S b/sysdeps/ia64/fpu/s_tan.S deleted file mode 100644 index d3b511f226..0000000000 --- a/sysdeps/ia64/fpu/s_tan.S +++ /dev/null @@ -1,877 +0,0 @@ -.file "tancot.s" - - -// Copyright (c) 2000 - 2003, Intel Corporation -// All rights reserved. -// -// -// 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) -libm_alias_double_other (__tan, 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# |