📄 s_log1pl.s
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data4 0x3F1D89D8,0x3EF8947Ddata8 0xBDF43E3CD328D9BEdata4 0x3F17B420,0x3F05F3A1data8 0x3E4094C30ADB090Adata4 0x3F124920,0x3F0F4303data8 0xBE28FBB2FC1FE510data4 0x3F0D3DC8,0x3F183EBFdata8 0x3E3A789510FDE3FAdata4 0x3F088888,0x3F20EC80data8 0x3E508CE57CC8C98Fdata4 0x3F042108,0x3F29516Adata8 0xBE534874A223106CLOCAL_OBJECT_END(Constants_G_H_h1)// Z2 - 16 bit fixedLOCAL_OBJECT_START(Constants_Z_2)data4 0x00008000data4 0x00007F81data4 0x00007F02data4 0x00007E85data4 0x00007E08data4 0x00007D8Ddata4 0x00007D12data4 0x00007C98data4 0x00007C20data4 0x00007BA8data4 0x00007B31data4 0x00007ABBdata4 0x00007A45data4 0x000079D1data4 0x0000795Ddata4 0x000078EBLOCAL_OBJECT_END(Constants_Z_2)// G2 and H2 - IEEE single and h2 - IEEE doubleLOCAL_OBJECT_START(Constants_G_H_h2)data4 0x3F800000,0x00000000data8 0x0000000000000000data4 0x3F7F00F8,0x3B7F875Ddata8 0x3DB5A11622C42273data4 0x3F7E03F8,0x3BFF015Bdata8 0x3DE620CF21F86ED3data4 0x3F7D08E0,0x3C3EE393data8 0xBDAFA07E484F34EDdata4 0x3F7C0FC0,0x3C7E0586data8 0xBDFE07F03860BCF6data4 0x3F7B1880,0x3C9E75D2data8 0x3DEA370FA78093D6data4 0x3F7A2328,0x3CBDC97Adata8 0x3DFF579172A753D0data4 0x3F792FB0,0x3CDCFE47data8 0x3DFEBE6CA7EF896Bdata4 0x3F783E08,0x3CFC15D0data8 0x3E0CF156409ECB43data4 0x3F774E38,0x3D0D874Ddata8 0xBE0B6F97FFEF71DFdata4 0x3F766038,0x3D1CF49Bdata8 0xBE0804835D59EEE8data4 0x3F757400,0x3D2C531Ddata8 0x3E1F91E9A9192A74data4 0x3F748988,0x3D3BA322data8 0xBE139A06BF72A8CDdata4 0x3F73A0D0,0x3D4AE46Fdata8 0x3E1D9202F8FBA6CFdata4 0x3F72B9D0,0x3D5A1756data8 0xBE1DCCC4BA796223data4 0x3F71D488,0x3D693B9Ddata8 0xBE049391B6B7C239LOCAL_OBJECT_END(Constants_G_H_h2)// G3 and H3 - IEEE single and h3 - IEEE double LOCAL_OBJECT_START(Constants_G_H_h3)data4 0x3F7FFC00,0x38800100data8 0x3D355595562224CDdata4 0x3F7FF400,0x39400480data8 0x3D8200A206136FF6data4 0x3F7FEC00,0x39A00640data8 0x3DA4D68DE8DE9AF0data4 0x3F7FE400,0x39E00C41data8 0xBD8B4291B10238DCdata4 0x3F7FDC00,0x3A100A21data8 0xBD89CCB83B1952CAdata4 0x3F7FD400,0x3A300F22data8 0xBDB107071DC46826data4 0x3F7FCC08,0x3A4FF51Cdata8 0x3DB6FCB9F43307DBdata4 0x3F7FC408,0x3A6FFC1Ddata8 0xBD9B7C4762DC7872data4 0x3F7FBC10,0x3A87F20Bdata8 0xBDC3725E3F89154Adata4 0x3F7FB410,0x3A97F68Bdata8 0xBD93519D62B9D392data4 0x3F7FAC18,0x3AA7EB86data8 0x3DC184410F21BD9Ddata4 0x3F7FA420,0x3AB7E101data8 0xBDA64B952245E0A6data4 0x3F7F9C20,0x3AC7E701data8 0x3DB4B0ECAABB34B8data4 0x3F7F9428,0x3AD7DD7Bdata8 0x3D9923376DC40A7Edata4 0x3F7F8C30,0x3AE7D474data8 0x3DC6E17B4F2083D3data4 0x3F7F8438,0x3AF7CBEDdata8 0x3DAE314B811D4394data4 0x3F7F7C40,0x3B03E1F3data8 0xBDD46F21B08F2DB1data4 0x3F7F7448,0x3B0BDE2Fdata8 0xBDDC30A46D34522Bdata4 0x3F7F6C50,0x3B13DAAAdata8 0x3DCB0070B1F473DBdata4 0x3F7F6458,0x3B1BD766data8 0xBDD65DDC6AD282FDdata4 0x3F7F5C68,0x3B23CC5Cdata8 0xBDCDAB83F153761Adata4 0x3F7F5470,0x3B2BC997data8 0xBDDADA40341D0F8Fdata4 0x3F7F4C78,0x3B33C711data8 0x3DCD1BD7EBC394E8data4 0x3F7F4488,0x3B3BBCC6data8 0xBDC3532B52E3E695data4 0x3F7F3C90,0x3B43BAC0data8 0xBDA3961EE846B3DEdata4 0x3F7F34A0,0x3B4BB0F4data8 0xBDDADF06785778D4data4 0x3F7F2CA8,0x3B53AF6Ddata8 0x3DCC3ED1E55CE212data4 0x3F7F24B8,0x3B5BA620data8 0xBDBA31039E382C15data4 0x3F7F1CC8,0x3B639D12data8 0x3D635A0B5C5AF197data4 0x3F7F14D8,0x3B6B9444data8 0xBDDCCB1971D34EFCdata4 0x3F7F0CE0,0x3B7393BCdata8 0x3DC7450252CD7ADAdata4 0x3F7F04F0,0x3B7B8B6Ddata8 0xBDB68F177D7F2A42LOCAL_OBJECT_END(Constants_G_H_h3)// Floating Point RegistersFR_Input_X = f8 FR_Y_hi = f34 FR_Y_lo = f35FR_Scale = f36FR_X_Prime = f37 FR_S_hi = f38 FR_W = f39FR_G = f40FR_H = f41FR_wsq = f42 FR_w4 = f43FR_h = f44FR_w6 = f45 FR_G2 = f46FR_H2 = f47FR_poly_lo = f48FR_P8 = f49 FR_poly_hi = f50FR_P7 = f51 FR_h2 = f52 FR_rsq = f53 FR_P6 = f54FR_r = f55 FR_log2_hi = f56 FR_log2_lo = f57 FR_p87 = f58 FR_p876 = f58 FR_p8765 = f58 FR_float_N = f59 FR_Q4 = f60 FR_p43 = f61 FR_p432 = f61 FR_p4321 = f61 FR_P4 = f62 FR_G3 = f63 FR_H3 = f64 FR_h3 = f65 FR_Q3 = f66 FR_P3 = f67 FR_Q2 = f68 FR_P2 = f69 FR_1LN10_hi = f70 FR_Q1 = f71 FR_P1 = f72 FR_1LN10_lo = f73 FR_P5 = f74 FR_rcub = f75 FR_Output_X_tmp = f76 FR_Neg_One = f77 FR_Z = f78 FR_AA = f79 FR_BB = f80 FR_S_lo = f81 FR_2_to_minus_N = f82 FR_X = f8FR_Y = f0FR_RESULT = f76// General Purpose RegistersGR_ad_p = r33GR_Index1 = r34 GR_Index2 = r35 GR_signif = r36 GR_X_0 = r37 GR_X_1 = r38 GR_X_2 = r39 GR_minus_N = r39GR_Z_1 = r40 GR_Z_2 = r41 GR_N = r42 GR_Bias = r43 GR_M = r44 GR_Index3 = r45 GR_exp_2tom80 = r45 GR_ad_p2 = r46GR_exp_mask = r47 GR_exp_2tom7 = r48 GR_ad_ln10 = r49 GR_ad_tbl_1 = r50GR_ad_tbl_2 = r51GR_ad_tbl_3 = r52GR_ad_q = r53GR_ad_z_1 = r54GR_ad_z_2 = r55GR_ad_z_3 = r56GR_minus_N = r39//// Added for unwind support//GR_SAVE_PFS = r50GR_SAVE_B0 = r51GR_SAVE_GP = r52GR_Parameter_X = r53GR_Parameter_Y = r54GR_Parameter_RESULT = r55GR_Parameter_TAG = r56.section .textGLOBAL_IEEE754_ENTRY(log1pl){ .mfi alloc r32 = ar.pfs,0,21,4,0 fclass.m p6, p0 = FR_Input_X, 0x1E3 // Test for natval, nan, inf nop.i 999}{ .mfi addl GR_ad_z_1 = @ltoff(Constants_Z_1#),gp fma.s1 FR_Z = FR_Input_X, f1, f1 // x+1 nop.i 999};;{ .mfi nop.m 999 fmerge.ns FR_Neg_One = f1, f1 // Form -1.0 nop.i 999}{ .mfi nop.m 999 fnorm.s1 FR_X_Prime = FR_Input_X // Normalize x nop.i 999};;{ .mfi ld8 GR_ad_z_1 = [GR_ad_z_1] // Get pointer to Constants_Z_1 nop.f 999 mov GR_exp_2tom7 = 0x0fff8 // Exponent of 2^-7};;{ .mfb getf.sig GR_signif = FR_Z // Get significand of x+1 fcmp.eq.s1 p9, p0 = FR_Input_X, f0 // Test for x=0(p6) br.cond.spnt LOG1P_special // Branch for nan, inf, natval};;{ .mfi add GR_ad_tbl_1 = 0x040, GR_ad_z_1 // Point to Constants_G_H_h1 fcmp.lt.s1 p13, p0 = FR_X_Prime, FR_Neg_One // Test for x<-1 add GR_ad_p = -0x100, GR_ad_z_1 // Point to Constants_P}{ .mfi add GR_ad_z_2 = 0x140, GR_ad_z_1 // Point to Constants_Z_2 nop.f 999 add GR_ad_tbl_2 = 0x180, GR_ad_z_1 // Point to Constants_G_H_h2};;{ .mfi add GR_ad_q = 0x080, GR_ad_p // Point to Constants_Q fcmp.eq.s1 p8, p0 = FR_X_Prime, FR_Neg_One // Test for x=-1 extr.u GR_Index1 = GR_signif, 59, 4 // Get high 4 bits of signif}{ .mfb add GR_ad_tbl_3 = 0x280, GR_ad_z_1 // Point to Constants_G_H_h3 nop.f 999(p9) br.ret.spnt b0 // Exit if x=0, return input};;{ .mfi shladd GR_ad_z_1 = GR_Index1, 2, GR_ad_z_1 // Point to Z_1 fclass.nm p10, p0 = FR_Input_X, 0x1FF // Test for unsupported extr.u GR_X_0 = GR_signif, 49, 15 // Get high 15 bits of significand}{ .mfi ldfe FR_P8 = [GR_ad_p],16 // Load P_8 for near1 path fsub.s1 FR_W = FR_X_Prime, f0 // W = x add GR_ad_ln10 = 0x060, GR_ad_q // Point to Constants_1_by_LN10};;{ .mfi ld4 GR_Z_1 = [GR_ad_z_1] // Load Z_1 fmax.s1 FR_AA = FR_X_Prime, f1 // For S_lo, form AA = max(X,1.0) mov GR_exp_mask = 0x1FFFF // Create exponent mask}{ .mib shladd GR_ad_tbl_1 = GR_Index1, 4, GR_ad_tbl_1 // Point to G_1 mov GR_Bias = 0x0FFFF // Create exponent bias(p13) br.cond.spnt LOG1P_LT_Minus_1 // Branch if x<-1};;{ .mfb ldfps FR_G, FR_H = [GR_ad_tbl_1],8 // Load G_1, H_1 fmerge.se FR_S_hi = f1,FR_Z // Form |x+1|(p8) br.cond.spnt LOG1P_EQ_Minus_1 // Branch if x=-1};;{ .mmb getf.exp GR_N = FR_Z // Get N = exponent of x+1 ldfd FR_h = [GR_ad_tbl_1] // Load h_1(p10) br.cond.spnt LOG1P_unsupported // Branch for unsupported type};;{ .mfi ldfe FR_log2_hi = [GR_ad_q],16 // Load log2_hi fcmp.eq.s0 p8, p0 = FR_Input_X, f0 // Dummy op to flag denormals pmpyshr2.u GR_X_1 = GR_X_0,GR_Z_1,15 // Get bits 30-15 of X_0 * Z_1};;//// For performance, don't use result of pmpyshr2.u for 4 cycles.//{ .mmi ldfe FR_log2_lo = [GR_ad_q],16 // Load log2_lo sub GR_N = GR_N, GR_Bias mov GR_exp_2tom80 = 0x0ffaf // Exponent of 2^-80};;{ .mfi ldfe FR_Q4 = [GR_ad_q],16 // Load Q4 fms.s1 FR_S_lo = FR_AA, f1, FR_Z // Form S_lo = AA - Z sub GR_minus_N = GR_Bias, GR_N // Form exponent of 2^(-N)};;{ .mmf ldfe FR_Q3 = [GR_ad_q],16 // Load Q3 setf.sig FR_float_N = GR_N // Put integer N into rightmost significand fmin.s1 FR_BB = FR_X_Prime, f1 // For S_lo, form BB = min(X,1.0)};;{ .mmi getf.exp GR_M = FR_W // Get signexp of w = x ldfe FR_Q2 = [GR_ad_q],16 // Load Q2 extr.u GR_Index2 = GR_X_1, 6, 4 // Extract bits 6-9 of X_1 };;{ .mmi ldfe FR_Q1 = [GR_ad_q] // Load Q1 shladd GR_ad_z_2 = GR_Index2, 2, GR_ad_z_2 // Point to Z_2 add GR_ad_p2 = 0x30,GR_ad_p // Point to P_4}⌨️ 快捷键说明
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