📄 e_atanhl.s
字号:
data4 0x3F7F24B8,0x3B5BA620data8 0xBDBA31039E382C15data4 0x3F7F1CC8,0x3B639D12data8 0x3D635A0B5C5AF197data4 0x3F7F14D8,0x3B6B9444data8 0xBDDCCB1971D34EFCdata4 0x3F7F0CE0,0x3B7393BCdata8 0x3DC7450252CD7ADAdata4 0x3F7F04F0,0x3B7B8B6Ddata8 0xBDB68F177D7F2A42LOCAL_OBJECT_END(Constants_G_H_h3)// Floating Point RegistersFR_C17 = f50FR_C15 = f51FR_C13 = f52FR_C11 = f53FR_C9 = f54FR_C7 = f55FR_C5 = f56FR_C3 = f57FR_x2 = f58FR_x3 = f59FR_x4 = f60FR_x8 = f61FR_Rcp = f61FR_A = f33FR_R1 = f33FR_E1 = f34FR_E3 = f34FR_Y2 = f34FR_Y3 = f34FR_E2 = f35FR_Y1 = f35FR_B = f36FR_Y0 = f37FR_E0 = f38FR_E4 = f39FR_Q0 = f40FR_R0 = f41FR_B_lo = f42FR_abs_x = f43FR_Bp = f44FR_Bn = f45FR_Yp = f46FR_Yn = f47FR_X = f48FR_BB = f48FR_X_lo = f49FR_G = f50FR_Y_hi = f51FR_H = f51FR_h = f52FR_G2 = f53FR_H2 = f54FR_h2 = f55FR_G3 = f56FR_H3 = f57FR_h3 = f58FR_Q4 = f59FR_poly_lo = f59FR_Y_lo = f59FR_Q3 = f60FR_Q2 = f61FR_Q1 = f62FR_poly_hi = f62FR_float_N = f63FR_AA = f64FR_S_lo = f64FR_S_hi = f65FR_r = f65FR_log2_hi = f66FR_log2_lo = f67FR_Z = f68FR_2_to_minus_N = f69FR_rcub = f70FR_rsq = f71FR_05r = f72FR_Half = f73FR_Arg_X = f50FR_Arg_Y = f0FR_RESULT = f8// General Purpose RegistersGR_ad_05 = r33GR_Index1 = r34GR_ArgExp = r34GR_Index2 = r35GR_ExpMask = r35GR_NearZeroBound = r36GR_signif = r36GR_X_0 = r37GR_X_1 = r37GR_X_2 = r38GR_Index3 = r38GR_minus_N = r39GR_Z_1 = r40GR_Z_2 = r40GR_N = r41GR_Bias = r42GR_M = r43GR_ad_taylor = r44GR_ad_taylor_2 = r45GR_ad2_tbl_3 = r45GR_ad_tbl_1 = r46GR_ad_tbl_2 = r47GR_ad_tbl_3 = r48GR_ad_q = r49GR_ad_z_1 = r50GR_ad_z_2 = r51GR_ad_z_3 = r52//// Added for unwind support//GR_SAVE_PFS = r46GR_SAVE_B0 = r47GR_SAVE_GP = r48GR_Parameter_X = r49GR_Parameter_Y = r50GR_Parameter_RESULT = r51GR_Parameter_TAG = r52.section .textGLOBAL_LIBM_ENTRY(atanhl){ .mfi alloc r32 = ar.pfs,0,17,4,0 fnma.s1 FR_Bp = f8,f1,f1 // b = 1 - |arg| (for x>0) mov GR_ExpMask = 0x1ffff} { .mfi addl GR_ad_taylor = @ltoff(Constants_TaylorSeries),gp fma.s1 FR_Bn = f8,f1,f1 // b = 1 - |arg| (for x<0) mov GR_NearZeroBound = 0xfffa // biased exp of 1/32};; { .mfi getf.exp GR_ArgExp = f8 fcmp.lt.s1 p6,p7 = f8,f0 // is negative? nop.i 0} { .mfi ld8 GR_ad_taylor = [GR_ad_taylor] fmerge.s FR_abs_x = f1,f8 nop.i 0};; { .mfi nop.m 0 fclass.m p8,p0 = f8,0x1C7 // is arg NaT,Q/SNaN or +/-0 ? nop.i 0}{ .mfi nop.m 0 fma.s1 FR_x2 = f8,f8,f0 nop.i 0};; { .mfi add GR_ad_z_1 = 0x0F0,GR_ad_taylor fclass.m p9,p0 = f8,0x0a // is arg -denormal ? add GR_ad_taylor_2 = 0x010,GR_ad_taylor} { .mfi add GR_ad_05 = 0x080,GR_ad_taylor nop.f 0 nop.i 0};; { .mfi ldfe FR_C17 = [GR_ad_taylor],32 fclass.m p10,p0 = f8,0x09 // is arg +denormal ? add GR_ad_tbl_1 = 0x040,GR_ad_z_1 // point to Constants_G_H_h1} { .mfb add GR_ad_z_2 = 0x140,GR_ad_z_1 // point to Constants_Z_2 (p8) fma.s0 f8 = f8,f1,f0 // NaN or +/-0 (p8) br.ret.spnt b0 // exit for Nan or +/-0};; { .mfi ldfe FR_C15 = [GR_ad_taylor_2],32 fclass.m p15,p0 = f8,0x23 // is +/-INF ? add GR_ad_tbl_2 = 0x180,GR_ad_z_1 // point to Constants_G_H_h2} { .mfb ldfe FR_C13 = [GR_ad_taylor],32 (p9) fnma.s0 f8 = f8,f8,f8 // -denormal (p9) br.ret.spnt b0 // exit for -denormal};; { .mfi ldfe FR_C11 = [GR_ad_taylor_2],32 fcmp.eq.s0 p13,p0 = FR_abs_x,f1 // is |arg| = 1? nop.i 0} { .mfb ldfe FR_C9 = [GR_ad_taylor],32(p10) fma.s0 f8 = f8,f8,f8 // +denormal(p10) br.ret.spnt b0 // exit for +denormal};; { .mfi ldfe FR_C7 = [GR_ad_taylor_2],32 (p6) frcpa.s1 FR_Yn,p11 = f1,FR_Bn // y = frcpa(b) and GR_ArgExp = GR_ArgExp,GR_ExpMask // biased exponent} { .mfb ldfe FR_C5 = [GR_ad_taylor],32 fnma.s1 FR_B = FR_abs_x,f1,f1 // b = 1 - |arg|(p15) br.cond.spnt atanhl_gt_one // |arg| > 1};;{ .mfb cmp.gt p14,p0 = GR_NearZeroBound,GR_ArgExp (p7) frcpa.s1 FR_Yp,p12 = f1,FR_Bp // y = frcpa(b)(p13) br.cond.spnt atanhl_eq_one // |arg| = 1/32}{ .mfb ldfe FR_C3 = [GR_ad_taylor_2],32 fma.s1 FR_A = FR_abs_x,f1,FR_abs_x // a = 2 * |arg|(p14) br.cond.spnt atanhl_near_zero // |arg| < 1/32};;{ .mfi nop.m 0 fcmp.gt.s0 p8,p0 = FR_abs_x,f1 // is |arg| > 1 ? nop.i 0};;.pred.rel "mutex",p6,p7{ .mfi nop.m 0 (p6) fnma.s1 FR_B_lo = FR_Bn,f1,f1 // argt = 1 - (1 - |arg|) nop.i 0}{ .mfi ldfs FR_Half = [GR_ad_05] (p7) fnma.s1 FR_B_lo = FR_Bp,f1,f1 nop.i 0};; { .mfi nop.m 0 (p6) fnma.s1 FR_E0 = FR_Yn,FR_Bn,f1 // e = 1-b*y nop.i 0} { .mfb nop.m 0 (p6) fma.s1 FR_Y0 = FR_Yn,f1,f0 (p8) br.cond.spnt atanhl_gt_one // |arg| > 1};;{ .mfi nop.m 0 (p7) fnma.s1 FR_E0 = FR_Yp,FR_Bp,f1 nop.i 0}{ .mfi nop.m 0 (p6) fma.s1 FR_Q0 = FR_A,FR_Yn,f0 // q = a*y nop.i 0};;{ .mfi nop.m 0 (p7) fma.s1 FR_Q0 = FR_A,FR_Yp,f0 nop.i 0}{ .mfi nop.m 0 (p7) fma.s1 FR_Y0 = FR_Yp,f1,f0 nop.i 0};;{ .mfi nop.m 0 fclass.nm p10,p0 = f8,0x1FF // test for unsupported nop.i 0};;{ .mfi nop.m 0 fma.s1 FR_E2 = FR_E0,FR_E0,FR_E0 // e2 = e+e^2 nop.i 0}{ .mfi nop.m 0 fma.s1 FR_E1 = FR_E0,FR_E0,f0 // e1 = e^2 nop.i 0};;{ .mfb nop.m 0// Return generated NaN or other value for unsupported values.(p10) fma.s0 f8 = f8, f0, f0(p10) br.ret.spnt b0};;{ .mfi nop.m 0 fma.s1 FR_Y1 = FR_Y0,FR_E2,FR_Y0 // y1 = y+y*e2 nop.i 0}{ .mfi nop.m 0 fma.s1 FR_E3 = FR_E1,FR_E1,FR_E0 // e3 = e+e1^2 nop.i 0};;{ .mfi nop.m 0 fnma.s1 FR_B_lo = FR_abs_x,f1,FR_B_lo // b_lo = argt-|arg| nop.i 0};;{ .mfi nop.m 0 fma.s1 FR_Y2 = FR_Y1,FR_E3,FR_Y0 // y2 = y+y1*e3 nop.i 0}{ .mfi nop.m 0 fnma.s1 FR_R0 = FR_B,FR_Q0,FR_A // r = a-b*q nop.i 0};;{ .mfi nop.m 0 fnma.s1 FR_E4 = FR_B,FR_Y2,f1 // e4 = 1-b*y2 nop.i 0}{ .mfi nop.m 0 fma.s1 FR_X = FR_R0,FR_Y2,FR_Q0 // x = q+r*y2 nop.i 0};;{ .mfi nop.m 0 fma.s1 FR_Z = FR_X,f1,f1 // x+1 nop.i 0};;{ .mfi nop.m 0 (p6) fnma.s1 FR_Half = FR_Half,f1,f0 // sign(arg)/2 nop.i 0};;{ .mfi nop.m 0 fma.s1 FR_Y3 = FR_Y2,FR_E4,FR_Y2 // y3 = y2+y2*e4 nop.i 0}{ .mfi nop.m 0 fnma.s1 FR_R1 = FR_B,FR_X,FR_A // r1 = a-b*x nop.i 0};;{ .mfi getf.sig GR_signif = FR_Z // get significand of x+1 nop.f 0 nop.i 0};;{ .mfi add GR_ad_q = -0x060,GR_ad_z_1 nop.f 0 extr.u GR_Index1 = GR_signif,59,4 // get high 4 bits of signif}{ .mfi add GR_ad_tbl_3 = 0x280,GR_ad_z_1 // point to Constants_G_H_h3 nop.f 0 nop.i 0};;{ .mfi shladd GR_ad_z_1 = GR_Index1,2,GR_ad_z_1 // point to Z_1 nop.f 0 extr.u GR_X_0 = GR_signif,49,15 // get high 15 bits of significand};;{ .mfi ld4 GR_Z_1 = [GR_ad_z_1] // load Z_1⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -