diff options
Diffstat (limited to 'sysdeps/ia64/fpu/s_atanf.S')
| -rw-r--r-- | sysdeps/ia64/fpu/s_atanf.S | 543 |
1 files changed, 543 insertions, 0 deletions
diff --git a/sysdeps/ia64/fpu/s_atanf.S b/sysdeps/ia64/fpu/s_atanf.S new file mode 100644 index 0000000000..8edd5d45a9 --- /dev/null +++ b/sysdeps/ia64/fpu/s_atanf.S @@ -0,0 +1,543 @@ +.file "atanf.s" + +// THIS IS NOT OPTIMIZED AND NOT OFFICIAL + +// Copyright (c) 2000, 2001, Intel Corporation +// All rights reserved. +// +// Contributed 2/2/2000 by John Harrison, Ted Kubaska, Bob Norin, Shane Story, +// and Ping Tak Peter Tang of the Computational Software Lab, Intel Corporation. +// +// WARRANTY DISCLAIMER +// +// 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://developer.intel.com/opensource. + + +// History +//============================================================== +// ?/??/00 Initial revision +// 8/17/00 Changed predicate register macro-usage to direct predicate +// names due to an assembler bug. + +#include "libm_support.h" + +// +// Assembly macros +//============================================================== + +// integer registers used +EXP_Addr1 = r33 +EXP_Addr2 = r34 + +// floating point registers used +atanf_coeff_R4 = f32 +atanf_coeff_R5 = f33 +atanf_coeff_R1 = f34 +atanf_coeff_R2 = f35 + +atanf_coeff_R3 = f36 +atanf_coeff_P1 = f37 +atanf_coeff_Q6 = f38 +atanf_coeff_Q7 = f39 +atanf_coeff_Q8 = f40 + +atanf_coeff_Q9 = f41 +atanf_coeff_Q4 = f42 +atanf_coeff_Q5 = f43 +atanf_coeff_Q2 = f44 +atanf_coeff_Q3 = f45 + +atanf_coeff_P5 = f46 +atanf_coeff_P6 = f47 +atanf_coeff_Q0 = f48 +atanf_coeff_Q1 = f49 +atanf_coeff_P7 = f50 + +atanf_coeff_P8 = f51 +atanf_coeff_P3 = f52 +atanf_coeff_P4 = f53 +atanf_coeff_P9 = f54 +atanf_coeff_P10 = f55 + +atanf_coeff_P2 = f56 +atanf_piby2 = f57 +atanf_z = f58 +atanf_b = f59 +atanf_zsq = f60 + +atanf_sgn_x = f61 +atanf_sgnx_piby2 = f62 +atanf_abs_x = f63 +atanf_t = f64 +atanf_xcub = f65 + +atanf_tsq = f66 +atanf_t4 = f67 +atanf_x5 = f68 +atanf_x6 = f69 +atanf_x11 = f70 + +atanf_poly_p1 = f71 +atanf_poly_p2 = f72 +atanf_poly_p3 = f73 +atanf_poly_p4 = f74 +atanf_poly_p5 = f75 + +atanf_poly_q1 = f76 +atanf_poly_q2 = f77 +atanf_poly_q3 = f78 +atanf_poly_q4 = f79 +atanf_poly_q5 = f80 + +atanf_poly_q = f81 +atanf_poly_r1 = f81 +atanf_poly_r2 = f82 +atanf_poly_r3 = f83 +atanf_bsq = f84 +atanf_z4 = f85 + +atanf_z5 = f86 +atanf_z8 = f87 +atanf_z13 = f88 +atanf_poly_r2 = f89 +atanf_poly_r1 = f90 + +atanf_z8_bsq = f91 +atanf_poly_r = f92 +atanf_z21_poly_r = f93 +atanf_answer = f8 + + +// predicate registers used +//atanf_pred_LE1 = p6 +//atanf_pred_GT1 = p7 + + +#ifdef _LIBC +.rodata +#else +.data +#endif + +.align 16 + +atanf_coeff_1_table: +ASM_TYPE_DIRECTIVE(atanf_coeff_1_table,@object) +data8 0x40c4c241be751ff2 // r4 +data8 0x40e9f300c2f3070b // r5 +data8 0x409babffef772075 // r3 +data8 0xbfd5555512191621 // p1 +data8 0x3fc9997e7afbff4e // p2 = q8 +data8 0xbfd5555512191621 // p1 = q9 +data8 0x3f97105b4160f86b // p8 = q2 +data8 0xbfa6e10ba401393f // p7 = q3 +data8 0x3f522e5d33bc9baa // p10 = q0 +data8 0xbf7deaadaa336451 // p9 = q1 +data8 0xbfc2473c5145ee38 // p3 +data8 0x3fbc4f512b1865f5 // p4 +data8 0x3fc9997e7afbff4e // p2 +data8 0x3ff921fb54442d18 // pi/2 +ASM_SIZE_DIRECTIVE(atanf_coeff_1_table) + + + +atanf_coeff_2_table: +ASM_TYPE_DIRECTIVE(atanf_coeff_2_table,@object) +data8 0x4035000000004284 // r1 +data8 0x406cdffff336a59b // r2 +data8 0x3fbc4f512b1865f5 // p4 = q6 +data8 0xbfc2473c5145ee38 // p3 = q7 +data8 0x3fb142a73d7c54e3 // p6 = q4 +data8 0xbfb68eed6a8cfa32 // p5 = q5 +data8 0xbfb68eed6a8cfa32 // p5 +data8 0x3fb142a73d7c54e3 // p6 +data8 0xbfa6e10ba401393f // p7 +data8 0x3f97105b4160f86b // p8 +data8 0xbf7deaadaa336451 // p9 +data8 0x3f522e5d33bc9baa // p10 +ASM_SIZE_DIRECTIVE(atanf_coeff_2_table) + + + +.global atanf + +.text +.proc atanf + +.align 32 +atanf: + + +{ .mfi + alloc r32 = ar.pfs,1,2,0,0 + frcpa.s1 atanf_z,p0 = f1,f8 + addl EXP_Addr2 = @ltoff(atanf_coeff_2_table),gp +} +{ .mfi + addl EXP_Addr1 = @ltoff(atanf_coeff_1_table),gp + fma.s1 atanf_t = f8,f8,f0 + nop.i 999;; +} + + +{ .mfi + nop.m 999 + fmerge.s atanf_sgn_x = f8,f1 + nop.i 999;; +} + +{ .mfi + ld8 EXP_Addr1 = [EXP_Addr1] + fmerge.s atanf_abs_x = f1,f8 + nop.i 999 +} +{ .mfi + ld8 EXP_Addr2 = [EXP_Addr2] + nop.f 999 + nop.i 999;; +} + + +{ .mfi + nop.m 999 + fclass.m p8,p0 = f8,0x7 // @zero + nop.i 999;; +} + +{ .mfi + nop.m 999 + fcmp.eq.unc.s0 p9,p10 = f8,f1 + nop.i 999;; +} + +{ .mfi + ldfpd atanf_coeff_R4,atanf_coeff_R5 = [EXP_Addr1],16 + fnma.s1 atanf_b = f8,atanf_z,f1 + nop.i 999 +} +{ .mfi + ldfpd atanf_coeff_R1,atanf_coeff_R2 = [EXP_Addr2],16 + fma.s1 atanf_zsq = atanf_z,atanf_z,f0 + nop.i 999;; +} + + +{ .mfi + ldfpd atanf_coeff_R3,atanf_coeff_P1 = [EXP_Addr1],16 + fma.s1 atanf_xcub = f8,atanf_t,f0 + nop.i 999 +} +{ .mfi + ldfpd atanf_coeff_Q6,atanf_coeff_Q7 = [EXP_Addr2],16 + fma.s1 atanf_tsq = atanf_t,atanf_t,f0 + nop.i 999;; +} + + +{ .mfi + ldfpd atanf_coeff_Q8,atanf_coeff_Q9 = [EXP_Addr1],16 +// fcmp.le.s1 atanf_pred_LE1,atanf_pred_GT1 = atanf_abs_x,f1 + fcmp.le.s1 p6,p7 = atanf_abs_x,f1 + nop.i 999 +} +{ .mfi + ldfpd atanf_coeff_Q4,atanf_coeff_Q5 = [EXP_Addr2],16 + nop.f 999 + nop.i 999;; +} + + +{ .mfi + ldfpd atanf_coeff_Q2,atanf_coeff_Q3 = [EXP_Addr1],16 + fclass.m p8,p0 = f8,0xe7 // @inf|@qnan|@snan|@zero + nop.i 999 +} +{ .mfi + ldfpd atanf_coeff_P5,atanf_coeff_P6 = [EXP_Addr2],16 + nop.f 999 + nop.i 999;; +} + + +{ .mfi + ldfpd atanf_coeff_Q0,atanf_coeff_Q1 = [EXP_Addr1],16 + nop.f 999 + nop.i 999 +} +{ .mfi + ldfpd atanf_coeff_P7,atanf_coeff_P8 = [EXP_Addr2],16 + nop.f 999 + nop.i 999;; +} + + +{ .mfi + ldfpd atanf_coeff_P3,atanf_coeff_P4 = [EXP_Addr1],16 + fma.s1 atanf_bsq = atanf_b,atanf_b,f0 + nop.i 999 +} +{ .mfi + ldfpd atanf_coeff_P9,atanf_coeff_P10 = [EXP_Addr2] + fma.s1 atanf_z4 = atanf_zsq,atanf_zsq,f0 + nop.i 999;; +} + + +{ .mfi + ldfpd atanf_coeff_P2,atanf_piby2 = [EXP_Addr1] + fma.s1 atanf_x6 = atanf_t,atanf_tsq,f0 + nop.i 999 +} +{ .mfi + nop.m 999 + fma.s1 atanf_t4 = atanf_tsq,atanf_tsq,f0 + nop.i 999;; +} + + +{ .mfb + nop.m 999 + fma.s1 atanf_x5 = atanf_t,atanf_xcub,f0 +(p8) br.cond.spnt L(ATANF_X_INF_NAN_ZERO) +} +;; + +{ .mfi + nop.m 999 + fma.s1 atanf_poly_r1 = atanf_b,atanf_coeff_R1,f1 + nop.i 999 +} +{ .mfi + nop.m 999 + fma.s1 atanf_poly_r3 = atanf_b,atanf_coeff_R5,atanf_coeff_R4 + nop.i 999;; +} + + +{ .mfi + nop.m 999 + fma.s1 atanf_poly_r2 = atanf_b,atanf_coeff_R3,atanf_coeff_R2 + nop.i 999 +} +{ .mfi + nop.m 999 + fma.s1 atanf_z8 = atanf_z4,atanf_z4,f0 + nop.i 999;; +} + + +{ .mfi + nop.m 999 + fma.s1 atanf_poly_q2 = atanf_t,atanf_coeff_Q5,atanf_coeff_Q4 + nop.i 999 +} +{ .mfi + nop.m 999 + fma.s1 atanf_poly_q3 = atanf_t,atanf_coeff_Q7,atanf_coeff_Q6 + nop.i 999;; +} + + +{ .mfi + nop.m 999 + fma.s1 atanf_z5 = atanf_z,atanf_z4,f0 + nop.i 999 +} +{ .mfi + nop.m 999 + fma.s1 atanf_poly_q1 = atanf_t,atanf_coeff_Q9,atanf_coeff_Q8 + nop.i 999;; +} + + +{ .mfi + nop.m 999 + fma.s1 atanf_poly_q4 = atanf_t,atanf_coeff_Q1,atanf_coeff_Q0 + nop.i 999 +} +{ .mfi + nop.m 999 + fma.s1 atanf_poly_q5 = atanf_t,atanf_coeff_Q3,atanf_coeff_Q2 + nop.i 999;; +} + + +{ .mfi + nop.m 999 + fma.s1 atanf_poly_p4 = f8,atanf_coeff_P1,f0 + nop.i 999 +} +{ .mfi + nop.m 999 + fma.s1 atanf_poly_p5 = atanf_t,atanf_coeff_P4,atanf_coeff_P3 + nop.i 999;; +} + + +{ .mfi + nop.m 999 + fma.s1 atanf_poly_r1 = atanf_z8,atanf_poly_r1,f0 + nop.i 999 +} +{ .mfi + nop.m 999 + fma.s1 atanf_z8_bsq = atanf_z8,atanf_bsq,f0 + nop.i 999;; +} + + +{ .mfi + nop.m 999 + fma.s1 atanf_poly_q2 = atanf_tsq,atanf_poly_q3,atanf_poly_q2 + nop.i 999 +} +{ .mfi + nop.m 999 + fma.s1 atanf_poly_r2 = atanf_bsq,atanf_poly_r3,atanf_poly_r2 + nop.i 999;; +} + + +{ .mfi + nop.m 999 + fma.s1 atanf_poly_p2 = atanf_t,atanf_coeff_P8,atanf_coeff_P7 + nop.i 999 +} +{ .mfi + nop.m 999 + fma.s1 atanf_poly_q1 = atanf_poly_q1,f1,atanf_tsq + nop.i 999;; +} + + +{ .mfi + nop.m 999 + fma.s1 atanf_z13 = atanf_z5,atanf_z8,f0 + nop.i 999 +} +{ .mfi + nop.m 999 + fma.s1 atanf_poly_p1 = atanf_t,atanf_coeff_P10,atanf_coeff_P9 + nop.i 999;; +} + + +{ .mfi + nop.m 999 + fma.s1 atanf_poly_p4 = atanf_t,atanf_poly_p4,f8 + nop.i 999 +} +{ .mfi + nop.m 999 + fma.s1 atanf_poly_q4 = atanf_tsq,atanf_poly_q5,atanf_poly_q4 + nop.i 999;; +} + + +{ .mfi + nop.m 999 + fma.s1 atanf_poly_p3 = atanf_t,atanf_coeff_P6,atanf_coeff_P5 + nop.i 999 +} +{ .mfi + nop.m 999 + fma.s1 atanf_poly_p5 = atanf_t,atanf_poly_p5,atanf_coeff_P2 + nop.i 999;; +} + + +{ .mfi + nop.m 999 + fma.s1 atanf_x11 = atanf_x5,atanf_x6,f0 + nop.i 999 +} +{ .mfi + nop.m 999 + fma.s1 atanf_poly_r = atanf_z8_bsq,atanf_poly_r2,atanf_poly_r1 + nop.i 999;; +} + + +{ .mfi + nop.m 999 + fma atanf_sgnx_piby2 = atanf_sgn_x,atanf_piby2,f0 + nop.i 999 +} +{ .mfi + nop.m 999 + fma.s1 atanf_poly_q2 = atanf_t4,atanf_poly_q1,atanf_poly_q2 + nop.i 999;; +} + + +{ .mfi + nop.m 999 + fma.s1 atanf_poly_p1 = atanf_tsq,atanf_poly_p1,atanf_poly_p2 + nop.i 999;; +} + +{ .mfi + nop.m 999 + fma.s1 atanf_poly_p4 = atanf_x5,atanf_poly_p5,atanf_poly_p4 + nop.i 999;; +} + +{ .mfi + nop.m 999 + fma.s1 atanf_z21_poly_r = atanf_z13,atanf_poly_r,f0 + nop.i 999;; +} + +{ .mfi + nop.m 999 + fma.s1 atanf_poly_q = atanf_t4,atanf_poly_q2,atanf_poly_q4 + nop.i 999;; +} + +{ .mfi + nop.m 999 + fma.s1 atanf_poly_p1 = atanf_tsq,atanf_poly_p1,atanf_poly_p3 + nop.i 999;; +} + +{ .mfi + nop.m 999 +//(atanf_pred_GT1) fnma.s atanf_answer = atanf_poly_q,atanf_z21_poly_r,atanf_sgnx_piby2 +(p7) fnma.s atanf_answer = atanf_poly_q,atanf_z21_poly_r,atanf_sgnx_piby2 + nop.i 999;; +} + +{ .mfb + nop.m 999 +//(atanf_pred_LE1) fma.s atanf_answer = atanf_x11,atanf_poly_p1,atanf_poly_p4 +(p6) fma.s atanf_answer = atanf_x11,atanf_poly_p1,atanf_poly_p4 + br.ret.sptk b0 +} + + + +L(ATANF_X_INF_NAN_ZERO): + + fclass.m p8,p9 = f8,0x23 // @inf +;; +(p8) fmerge.s f8 = f8, atanf_piby2 +;; + fnorm.s f8 = f8 + br.ret.sptk b0 + +.endp atanf +ASM_SIZE_DIRECTIVE(atanf) |