summaryrefslogtreecommitdiff
path: root/sysdeps/ia64/fpu/s_cosf.S
diff options
context:
space:
mode:
Diffstat (limited to 'sysdeps/ia64/fpu/s_cosf.S')
-rw-r--r--sysdeps/ia64/fpu/s_cosf.S1182
1 files changed, 582 insertions, 600 deletions
diff --git a/sysdeps/ia64/fpu/s_cosf.S b/sysdeps/ia64/fpu/s_cosf.S
index bcdf1b0c02..0e47255b3f 100644
--- a/sysdeps/ia64/fpu/s_cosf.S
+++ b/sysdeps/ia64/fpu/s_cosf.S
@@ -1,10 +1,12 @@
+
.file "sincosf.s"
-// Copyright (c) 2000 - 2005, Intel Corporation
+// Copyright (C) 2000, 2001, Intel Corporation
// All rights reserved.
//
-// Contributed 2000 by the Intel Numerics Group, Intel Corporation
+// 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.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
@@ -20,7 +22,7 @@
// * 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
@@ -35,683 +37,663 @@
//
// 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.
-//
+// http://developer.intel.com/opensource.
+
+
// History
//==============================================================
-// 02/02/00 Initial version
-// 04/02/00 Unwind support added.
-// 06/16/00 Updated tables to enforce symmetry
-// 08/31/00 Saved 2 cycles in main path, and 9 in other paths.
-// 09/20/00 The updated tables regressed to an old version, so reinstated them
-// 10/18/00 Changed one table entry to ensure symmetry
-// 01/03/01 Improved speed, fixed flag settings for small arguments.
-// 02/18/02 Large arguments processing routine excluded
-// 05/20/02 Cleaned up namespace and sf0 syntax
-// 06/03/02 Insure inexact flag set for large arg result
-// 09/05/02 Single precision version is made using double precision one as base
-// 02/10/03 Reordered header: .section, .global, .proc, .align
-// 03/31/05 Reformatted delimiters between data tables
+// 2/02/00 Initial revision
+// 4/02/00 Unwind support added.
+// 5/10/00 Improved speed with new algorithm.
+// 8/08/00 Improved speed by avoiding SIR flush.
+// 8/17/00 Changed predicate register macro-usage to direct predicate
+// names due to an assembler bug.
+// 8/30/00 Put sin_of_r before sin_tbl_S_cos_of_r to gain a cycle
+// 1/02/00 Fixed flag settings, improved speed.
//
// API
//==============================================================
// float sinf( float x);
// float cosf( float x);
//
-// Overview of operation
-//==============================================================
-//
-// Step 1
-// ======
-// Reduce x to region -1/2*pi/2^k ===== 0 ===== +1/2*pi/2^k where k=4
-// divide x by pi/2^k.
-// Multiply by 2^k/pi.
-// nfloat = Round result to integer (round-to-nearest)
-//
-// r = x - nfloat * pi/2^k
-// Do this as (x - nfloat * HIGH(pi/2^k)) - nfloat * LOW(pi/2^k)
-
-// for increased accuracy.
-// pi/2^k is stored as two numbers that when added make pi/2^k.
-// pi/2^k = HIGH(pi/2^k) + LOW(pi/2^k)
-// HIGH part is rounded to zero, LOW - to nearest
-//
-// x = (nfloat * pi/2^k) + r
-// r is small enough that we can use a polynomial approximation
-// and is referred to as the reduced argument.
-//
-// Step 3
-// ======
-// Take the unreduced part and remove the multiples of 2pi.
-// So nfloat = nfloat (with lower k+1 bits cleared) + lower k+1 bits
-//
-// nfloat (with lower k+1 bits cleared) is a multiple of 2^(k+1)
-// N * 2^(k+1)
-// nfloat * pi/2^k = N * 2^(k+1) * pi/2^k + (lower k+1 bits) * pi/2^k
-// nfloat * pi/2^k = N * 2 * pi + (lower k+1 bits) * pi/2^k
-// nfloat * pi/2^k = N2pi + M * pi/2^k
-//
-//
-// Sin(x) = Sin((nfloat * pi/2^k) + r)
-// = Sin(nfloat * pi/2^k) * Cos(r) + Cos(nfloat * pi/2^k) * Sin(r)
-//
-// Sin(nfloat * pi/2^k) = Sin(N2pi + Mpi/2^k)
-// = Sin(N2pi)Cos(Mpi/2^k) + Cos(N2pi)Sin(Mpi/2^k)
-// = Sin(Mpi/2^k)
-//
-// Cos(nfloat * pi/2^k) = Cos(N2pi + Mpi/2^k)
-// = Cos(N2pi)Cos(Mpi/2^k) + Sin(N2pi)Sin(Mpi/2^k)
-// = Cos(Mpi/2^k)
-//
-// Sin(x) = Sin(Mpi/2^k) Cos(r) + Cos(Mpi/2^k) Sin(r)
-//
-//
-// Step 4
-// ======
-// 0 <= M < 2^(k+1)
-// There are 2^(k+1) Sin entries in a table.
-// There are 2^(k+1) Cos entries in a table.
-//
-// Get Sin(Mpi/2^k) and Cos(Mpi/2^k) by table lookup.
-//
-//
-// Step 5
-// ======
-// Calculate Cos(r) and Sin(r) by polynomial approximation.
-//
-// Cos(r) = 1 + r^2 q1 + r^4 q2 = Series for Cos
-// Sin(r) = r + r^3 p1 + r^5 p2 = Series for Sin
-//
-// and the coefficients q1, q2 and p1, p2 are stored in a table
-//
-//
-// Calculate
-// Sin(x) = Sin(Mpi/2^k) Cos(r) + Cos(Mpi/2^k) Sin(r)
-//
-// as follows
-//
-// S[m] = Sin(Mpi/2^k) and C[m] = Cos(Mpi/2^k)
-// rsq = r*r
-//
-//
-// P = P1 + r^2*P2
-// Q = Q1 + r^2*Q2
-//
-// rcub = r * rsq
-// Sin(r) = r + rcub * P
-// = r + r^3p1 + r^5p2 = Sin(r)
-//
-// The coefficients are not exactly these values, but almost.
-//
-// p1 = -1/6 = -1/3!
-// p2 = 1/120 = 1/5!
-// p3 = -1/5040 = -1/7!
-// p4 = 1/362889 = 1/9!
-//
-// P = r + r^3 * P
-//
-// Answer = S[m] Cos(r) + C[m] P
-//
-// Cos(r) = 1 + rsq Q
-// Cos(r) = 1 + r^2 Q
-// Cos(r) = 1 + r^2 (q1 + r^2q2)
-// Cos(r) = 1 + r^2q1 + r^4q2
-//
-// S[m] Cos(r) = S[m](1 + rsq Q)
-// S[m] Cos(r) = S[m] + S[m] rsq Q
-// S[m] Cos(r) = S[m] + s_rsq Q
-// Q = S[m] + s_rsq Q
-//
-// Then,
-//
-// Answer = Q + C[m] P
-
-
-// Registers used
-//==============================================================
-// general input registers:
-// r14 -> r19
-// r32 -> r45
-
-// predicate registers used:
-// p6 -> p14
-
-// floating-point registers used
-// f9 -> f15
-// f32 -> f61
+#include "libm_support.h"
+
// Assembly macros
//==============================================================
-sincosf_NORM_f8 = f9
-sincosf_W = f10
-sincosf_int_Nfloat = f11
-sincosf_Nfloat = f12
-
-sincosf_r = f13
-sincosf_rsq = f14
-sincosf_rcub = f15
-sincosf_save_tmp = f15
-sincosf_Inv_Pi_by_16 = f32
-sincosf_Pi_by_16_1 = f33
-sincosf_Pi_by_16_2 = f34
+// SIN_Sin_Flag = p6
+// SIN_Cos_Flag = p7
+
+// integer registers used
+
+ SIN_AD_PQ_1 = r33
+ SIN_AD_PQ_2 = r33
+ sin_GR_sincos_flag = r34
+ sin_GR_Mint = r35
+
+ sin_GR_index = r36
+ gr_tmp = r37
+
+ GR_SAVE_B0 = r37
+ GR_SAVE_GP = r38
+ GR_SAVE_PFS = r39
+
+
+// floating point registers used
+
+ sin_coeff_P1 = f32
+ sin_coeff_P2 = f33
+ sin_coeff_Q1 = f34
+ sin_coeff_Q2 = f35
+ sin_coeff_P4 = f36
+ sin_coeff_P5 = f37
+ sin_coeff_Q3 = f38
+ sin_coeff_Q4 = f39
+ sin_Mx = f40
+ sin_Mfloat = f41
+ sin_tbl_S = f42
+ sin_tbl_C = f43
+ sin_r = f44
+ sin_rcube = f45
+ sin_tsq = f46
+ sin_r7 = f47
+ sin_t = f48
+ sin_poly_p2 = f49
+ sin_poly_p1 = f50
+ fp_tmp = f51
+ sin_poly_p3 = f52
+ sin_poly_p4 = f53
+ sin_of_r = f54
+ sin_S_t = f55
+ sin_poly_q2 = f56
+ sin_poly_q1 = f57
+ sin_S_tcube = f58
+ sin_poly_q3 = f59
+ sin_poly_q4 = f60
+ sin_tbl_S_tcube = f61
+ sin_tbl_S_cos_of_r = f62
+
+ sin_coeff_Q5 = f63
+ sin_coeff_Q6 = f64
+ sin_coeff_P3 = f65
+
+ sin_poly_q5 = f66
+ sin_poly_q12 = f67
+ sin_poly_q3456 = f68
+ fp_tmp2 = f69
+ SIN_NORM_f8 = f70
+
+
+#ifdef _LIBC
+.rodata
+#else
+.data
+#endif
-sincosf_Inv_Pi_by_64 = f35
-
-sincosf_Pi_by_16_3 = f36
+.align 16
-sincosf_r_exact = f37
+sin_coeff_1_table:
+ASM_TYPE_DIRECTIVE(sin_coeff_1_table,@object)
+data8 0xBF56C16C16BF6462 // q3
+data8 0x3EFA01A0128B9EBC // q4
+data8 0xBE927E42FDF33FFE // q5
+data8 0x3E21DA5C72A446F3 // q6
+data8 0x3EC71DD1D5E421A4 // p4
+data8 0xBE5AC5C9D0ACF95A // p5
+data8 0xBFC55555555554CA // p1
+data8 0x3F811111110F2395 // p2
+data8 0xBFE0000000000000 // q1
+data8 0x3FA55555555554EF // q2
+data8 0xBF2A01A011232913 // p3
+data8 0x0000000000000000 // pad
+
+
+/////////////////////////////////////////
+
+data8 0xBFE1A54991426566 //sin(-32)
+data8 0x3FEAB1F5305DE8E5 //cos(-32)
+data8 0x3FD9DBC0B640FC81 //sin(-31)
+data8 0x3FED4591C3E12A20 //cos(-31)
+data8 0x3FEF9DF47F1C903D //sin(-30)
+data8 0x3FC3BE82F2505A52 //cos(-30)
+data8 0x3FE53C7D20A6C9E7 //sin(-29)
+data8 0xBFE7F01658314E47 //cos(-29)
+data8 0xBFD156853B4514D6 //sin(-28)
+data8 0xBFEECDAAD1582500 //cos(-28)
+data8 0xBFEE9AA1B0E5BA30 //sin(-27)
+data8 0xBFD2B266F959DED5 //cos(-27)
+data8 0xBFE866E0FAC32583 //sin(-26)
+data8 0x3FE4B3902691A9ED //cos(-26)
+data8 0x3FC0F0E6F31E809D //sin(-25)
+data8 0x3FEFB7EEF59504FF //cos(-25)
+data8 0x3FECFA7F7919140F //sin(-24)
+data8 0x3FDB25BFB50A609A //cos(-24)
+data8 0x3FEB143CD0247D02 //sin(-23)
+data8 0xBFE10CF7D591F272 //cos(-23)
+data8 0x3F8220A29F6EB9F4 //sin(-22)
+data8 0xBFEFFFADD8D4ACDA //cos(-22)
+data8 0xBFEAC5E20BB0D7ED //sin(-21)
+data8 0xBFE186FF83773759 //cos(-21)
+data8 0xBFED36D8F55D3CE0 //sin(-20)
+data8 0x3FDA1E043964A83F //cos(-20)
+data8 0xBFC32F2D28F584CF //sin(-19)
+data8 0x3FEFA377DE108258 //cos(-19)
+data8 0x3FE8081668131E26 //sin(-18)
+data8 0x3FE52150815D2470 //cos(-18)
+data8 0x3FEEC3C4AC42882B //sin(-17)
+data8 0xBFD19C46B07F58E7 //cos(-17)
+data8 0x3FD26D02085F20F8 //sin(-16)
+data8 0xBFEEA5257E962F74 //cos(-16)
+data8 0xBFE4CF2871CEC2E8 //sin(-15)
+data8 0xBFE84F5D069CA4F3 //cos(-15)
+data8 0xBFEFB30E327C5E45 //sin(-14)
+data8 0x3FC1809AEC2CA0ED //cos(-14)
+data8 0xBFDAE4044881C506 //sin(-13)
+data8 0x3FED09CDD5260CB7 //cos(-13)
+data8 0x3FE12B9AF7D765A5 //sin(-12)
+data8 0x3FEB00DA046B65E3 //cos(-12)
+data8 0x3FEFFFEB762E93EB //sin(-11)
+data8 0x3F7220AE41EE2FDF //cos(-11)
+data8 0x3FE1689EF5F34F52 //sin(-10)
+data8 0xBFEAD9AC890C6B1F //cos(-10)
+data8 0xBFDA6026360C2F91 //sin( -9)
+data8 0xBFED27FAA6A6196B //cos( -9)
+data8 0xBFEFA8D2A028CF7B //sin( -8)
+data8 0xBFC29FBEBF632F94 //cos( -8)
+data8 0xBFE50608C26D0A08 //sin( -7)
+data8 0x3FE81FF79ED92017 //cos( -7)
+data8 0x3FD1E1F18AB0A2C0 //sin( -6)
+data8 0x3FEEB9B7097822F5 //cos( -6)
+data8 0x3FEEAF81F5E09933 //sin( -5)
+data8 0x3FD22785706B4AD9 //cos( -5)
+data8 0x3FE837B9DDDC1EAE //sin( -4)
+data8 0xBFE4EAA606DB24C1 //cos( -4)
+data8 0xBFC210386DB6D55B //sin( -3)
+data8 0xBFEFAE04BE85E5D2 //cos( -3)
+data8 0xBFED18F6EAD1B446 //sin( -2)
+data8 0xBFDAA22657537205 //cos( -2)
+data8 0xBFEAED548F090CEE //sin( -1)
+data8 0x3FE14A280FB5068C //cos( -1)
+data8 0x0000000000000000 //sin( 0)
+data8 0x3FF0000000000000 //cos( 0)
+data8 0x3FEAED548F090CEE //sin( 1)
+data8 0x3FE14A280FB5068C //cos( 1)
+data8 0x3FED18F6EAD1B446 //sin( 2)
+data8 0xBFDAA22657537205 //cos( 2)
+data8 0x3FC210386DB6D55B //sin( 3)
+data8 0xBFEFAE04BE85E5D2 //cos( 3)
+data8 0xBFE837B9DDDC1EAE //sin( 4)
+data8 0xBFE4EAA606DB24C1 //cos( 4)
+data8 0xBFEEAF81F5E09933 //sin( 5)
+data8 0x3FD22785706B4AD9 //cos( 5)
+data8 0xBFD1E1F18AB0A2C0 //sin( 6)
+data8 0x3FEEB9B7097822F5 //cos( 6)
+data8 0x3FE50608C26D0A08 //sin( 7)
+data8 0x3FE81FF79ED92017 //cos( 7)
+data8 0x3FEFA8D2A028CF7B //sin( 8)
+data8 0xBFC29FBEBF632F94 //cos( 8)
+data8 0x3FDA6026360C2F91 //sin( 9)
+data8 0xBFED27FAA6A6196B //cos( 9)
+data8 0xBFE1689EF5F34F52 //sin( 10)
+data8 0xBFEAD9AC890C6B1F //cos( 10)
+data8 0xBFEFFFEB762E93EB //sin( 11)
+data8 0x3F7220AE41EE2FDF //cos( 11)
+data8 0xBFE12B9AF7D765A5 //sin( 12)
+data8 0x3FEB00DA046B65E3 //cos( 12)
+data8 0x3FDAE4044881C506 //sin( 13)
+data8 0x3FED09CDD5260CB7 //cos( 13)
+data8 0x3FEFB30E327C5E45 //sin( 14)
+data8 0x3FC1809AEC2CA0ED //cos( 14)
+data8 0x3FE4CF2871CEC2E8 //sin( 15)
+data8 0xBFE84F5D069CA4F3 //cos( 15)
+data8 0xBFD26D02085F20F8 //sin( 16)
+data8 0xBFEEA5257E962F74 //cos( 16)
+data8 0xBFEEC3C4AC42882B //sin( 17)
+data8 0xBFD19C46B07F58E7 //cos( 17)
+data8 0xBFE8081668131E26 //sin( 18)
+data8 0x3FE52150815D2470 //cos( 18)
+data8 0x3FC32F2D28F584CF //sin( 19)
+data8 0x3FEFA377DE108258 //cos( 19)
+data8 0x3FED36D8F55D3CE0 //sin( 20)
+data8 0x3FDA1E043964A83F //cos( 20)
+data8 0x3FEAC5E20BB0D7ED //sin( 21)
+data8 0xBFE186FF83773759 //cos( 21)
+data8 0xBF8220A29F6EB9F4 //sin( 22)
+data8 0xBFEFFFADD8D4ACDA //cos( 22)
+data8 0xBFEB143CD0247D02 //sin( 23)
+data8 0xBFE10CF7D591F272 //cos( 23)
+data8 0xBFECFA7F7919140F //sin( 24)
+data8 0x3FDB25BFB50A609A //cos( 24)
+data8 0xBFC0F0E6F31E809D //sin( 25)
+data8 0x3FEFB7EEF59504FF //cos( 25)
+data8 0x3FE866E0FAC32583 //sin( 26)
+data8 0x3FE4B3902691A9ED //cos( 26)
+data8 0x3FEE9AA1B0E5BA30 //sin( 27)
+data8 0xBFD2B266F959DED5 //cos( 27)
+data8 0x3FD156853B4514D6 //sin( 28)
+data8 0xBFEECDAAD1582500 //cos( 28)
+data8 0xBFE53C7D20A6C9E7 //sin( 29)
+data8 0xBFE7F01658314E47 //cos( 29)
+data8 0xBFEF9DF47F1C903D //sin( 30)
+data8 0x3FC3BE82F2505A52 //cos( 30)
+data8 0xBFD9DBC0B640FC81 //sin( 31)
+data8 0x3FED4591C3E12A20 //cos( 31)
+data8 0x3FE1A54991426566 //sin( 32)
+data8 0x3FEAB1F5305DE8E5 //cos( 32)
+ASM_SIZE_DIRECTIVE(sin_coeff_1_table)
+
+//////////////////////////////////////////
+
+
+.global sinf
+.global cosf
+#ifdef _LIBC
+.global __sinf
+.global __cosf
+#endif
+
+.text
+.proc cosf
+#ifdef _LIBC
+.proc __cosf
+#endif
+.align 32
+
+
+cosf:
+#ifdef _LIBC
+__cosf:
+#endif
+{ .mfi
+ alloc r32 = ar.pfs,1,7,0,0
+ fcvt.fx.s1 sin_Mx = f8
+ cmp.ne p6,p7 = r0,r0 // p7 set if cos
+}
+{ .mfi
+ addl SIN_AD_PQ_1 = @ltoff(sin_coeff_1_table),gp
+ fnorm.s0 SIN_NORM_f8 = f8 // Sets denormal or invalid
+ mov sin_GR_sincos_flag = 0x0
+}
+;;
-sincosf_Sm = f38
-sincosf_Cm = f39
+{ .mfi
+ ld8 SIN_AD_PQ_1 = [SIN_AD_PQ_1]
+ fclass.m.unc p9,p0 = f8, 0x07
+ cmp.ne p8,p0 = r0,r0
+}
+{ .mfb
+ nop.m 999
+ nop.f 999
+ br.sptk L(SINCOSF_COMMON)
+}
+;;
-sincosf_P1 = f40
-sincosf_Q1 = f41
-sincosf_P2 = f42
-sincosf_Q2 = f43
-sincosf_P3 = f44
-sincosf_Q3 = f45
-sincosf_P4 = f46
-sincosf_Q4 = f47
+.endp cosf
+ASM_SIZE_DIRECTIVE(cosf)
-sincosf_P_temp1 = f48
-sincosf_P_temp2 = f49
-sincosf_Q_temp1 = f50
-sincosf_Q_temp2 = f51
+.text
+.proc sinf
+#ifdef _LIBC
+.proc __sinf
+#endif
+.align 32
-sincosf_P = f52
-sincosf_Q = f53
+sinf:
+#ifdef _LIBC
+__sinf:
+#endif
+{ .mfi
+ alloc r32 = ar.pfs,1,7,0,0
+ fcvt.fx.s1 sin_Mx = f8
+ cmp.eq p6,p7 = r0,r0 // p6 set if sin
+}
+{ .mfi
+ addl SIN_AD_PQ_1 = @ltoff(sin_coeff_1_table),gp
+ fnorm.s0 SIN_NORM_f8 = f8 // Sets denormal or invalid
+ mov sin_GR_sincos_flag = 0x1
+}
+;;
-sincosf_srsq = f54
+{ .mfi
+ ld8 SIN_AD_PQ_1 = [SIN_AD_PQ_1]
+ fclass.m.unc p8,p0 = f8, 0x07
+ cmp.ne p9,p0 = r0,r0
+}
+{ .mfb
+ nop.m 999
+ nop.f 999
+ br.sptk L(SINCOSF_COMMON)
+}
+;;
-sincosf_SIG_INV_PI_BY_16_2TO61 = f55
-sincosf_RSHF_2TO61 = f56
-sincosf_RSHF = f57
-sincosf_2TOM61 = f58
-sincosf_NFLOAT = f59
-sincosf_W_2TO61_RSH = f60
-fp_tmp = f61
+L(SINCOSF_COMMON):
-/////////////////////////////////////////////////////////////
+// Here with p6 if sin, p7 if cos, p8 if sin(0), p9 if cos(0)
-sincosf_AD_1 = r33
-sincosf_AD_2 = r34
-sincosf_exp_limit = r35
-sincosf_r_signexp = r36
-sincosf_AD_beta_table = r37
-sincosf_r_sincos = r38
-sincosf_r_exp = r39
-sincosf_r_17_ones = r40
+{ .mmf
+ ldfpd sin_coeff_Q3, sin_coeff_Q4 = [SIN_AD_PQ_1], 16
+ nop.m 999
+ fclass.m.unc p11,p0 = f8, 0x23 // Test for x=inf
+}
+;;
-sincosf_GR_sig_inv_pi_by_16 = r14
-sincosf_GR_rshf_2to61 = r15
-sincosf_GR_rshf = r16
-sincosf_GR_exp_2tom61 = r17
-sincosf_GR_n = r18
-sincosf_GR_m = r19
-sincosf_GR_32m = r19
-sincosf_GR_all_ones = r19
+{ .mfb
+ ldfpd sin_coeff_Q5, sin_coeff_Q6 = [SIN_AD_PQ_1], 16
+ fclass.m.unc p10,p0 = f8, 0xc3 // Test for x=nan
+(p8) br.ret.spnt b0 // Exit for sin(0)
+}
+{ .mfb
+ nop.m 999
+(p9) fma.s f8 = f1,f1,f0
+(p9) br.ret.spnt b0 // Exit for cos(0)
+}
+;;
-gr_tmp = r41
-GR_SAVE_PFS = r41
-GR_SAVE_B0 = r42
-GR_SAVE_GP = r43
+{ .mmf
+ ldfpd sin_coeff_P4, sin_coeff_P5 = [SIN_AD_PQ_1], 16
+ addl gr_tmp = -1,r0
+ fcvt.xf sin_Mfloat = sin_Mx
+}
+;;
-RODATA
-.align 16
+{ .mfi
+ getf.sig sin_GR_Mint = sin_Mx
+(p11) frcpa.s0 f8,p13 = f0,f0 // qnan indef if x=inf
+ nop.i 999
+}
+{ .mfb
+ ldfpd sin_coeff_P1, sin_coeff_P2 = [SIN_AD_PQ_1], 16
+ nop.f 999
+(p11) br.ret.spnt b0 // Exit for x=inf
+}
+;;
-// Pi/16 parts
-LOCAL_OBJECT_START(double_sincosf_pi)
- data8 0xC90FDAA22168C234, 0x00003FFC // pi/16 1st part
- data8 0xC4C6628B80DC1CD1, 0x00003FBC // pi/16 2nd part
-LOCAL_OBJECT_END(double_sincosf_pi)
-
-// Coefficients for polynomials
-LOCAL_OBJECT_START(double_sincosf_pq_k4)
- data8 0x3F810FABB668E9A2 // P2
- data8 0x3FA552E3D6DE75C9 // Q2
- data8 0xBFC555554447BC7F // P1
- data8 0xBFDFFFFFC447610A // Q1
-LOCAL_OBJECT_END(double_sincosf_pq_k4)
-
-// Sincos table (S[m], C[m])
-LOCAL_OBJECT_START(double_sin_cos_beta_k4)
- data8 0x0000000000000000 // sin ( 0 Pi / 16 )
- data8 0x3FF0000000000000 // cos ( 0 Pi / 16 )
-//
- data8 0x3FC8F8B83C69A60B // sin ( 1 Pi / 16 )
- data8 0x3FEF6297CFF75CB0 // cos ( 1 Pi / 16 )
-//
- data8 0x3FD87DE2A6AEA963 // sin ( 2 Pi / 16 )
- data8 0x3FED906BCF328D46 // cos ( 2 Pi / 16 )
-//
- data8 0x3FE1C73B39AE68C8 // sin ( 3 Pi / 16 )
- data8 0x3FEA9B66290EA1A3 // cos ( 3 Pi / 16 )
-//
- data8 0x3FE6A09E667F3BCD // sin ( 4 Pi / 16 )
- data8 0x3FE6A09E667F3BCD // cos ( 4 Pi / 16 )
-//
- data8 0x3FEA9B66290EA1A3 // sin ( 5 Pi / 16 )
- data8 0x3FE1C73B39AE68C8 // cos ( 5 Pi / 16 )
-//
- data8 0x3FED906BCF328D46 // sin ( 6 Pi / 16 )
- data8 0x3FD87DE2A6AEA963 // cos ( 6 Pi / 16 )
-//
- data8 0x3FEF6297CFF75CB0 // sin ( 7 Pi / 16 )
- data8 0x3FC8F8B83C69A60B // cos ( 7 Pi / 16 )
-//
- data8 0x3FF0000000000000 // sin ( 8 Pi / 16 )
- data8 0x0000000000000000 // cos ( 8 Pi / 16 )
-//
- data8 0x3FEF6297CFF75CB0 // sin ( 9 Pi / 16 )
- data8 0xBFC8F8B83C69A60B // cos ( 9 Pi / 16 )
-//
- data8 0x3FED906BCF328D46 // sin ( 10 Pi / 16 )
- data8 0xBFD87DE2A6AEA963 // cos ( 10 Pi / 16 )
-//
- data8 0x3FEA9B66290EA1A3 // sin ( 11 Pi / 16 )
- data8 0xBFE1C73B39AE68C8 // cos ( 11 Pi / 16 )
-//
- data8 0x3FE6A09E667F3BCD // sin ( 12 Pi / 16 )
- data8 0xBFE6A09E667F3BCD // cos ( 12 Pi / 16 )
-//
- data8 0x3FE1C73B39AE68C8 // sin ( 13 Pi / 16 )
- data8 0xBFEA9B66290EA1A3 // cos ( 13 Pi / 16 )
-//
- data8 0x3FD87DE2A6AEA963 // sin ( 14 Pi / 16 )
- data8 0xBFED906BCF328D46 // cos ( 14 Pi / 16 )
-//
- data8 0x3FC8F8B83C69A60B // sin ( 15 Pi / 16 )
- data8 0xBFEF6297CFF75CB0 // cos ( 15 Pi / 16 )
-//
- data8 0x0000000000000000 // sin ( 16 Pi / 16 )
- data8 0xBFF0000000000000 // cos ( 16 Pi / 16 )
-//
- data8 0xBFC8F8B83C69A60B // sin ( 17 Pi / 16 )
- data8 0xBFEF6297CFF75CB0 // cos ( 17 Pi / 16 )
-//
- data8 0xBFD87DE2A6AEA963 // sin ( 18 Pi / 16 )
- data8 0xBFED906BCF328D46 // cos ( 18 Pi / 16 )
-//
- data8 0xBFE1C73B39AE68C8 // sin ( 19 Pi / 16 )
- data8 0xBFEA9B66290EA1A3 // cos ( 19 Pi / 16 )
-//
- data8 0xBFE6A09E667F3BCD // sin ( 20 Pi / 16 )
- data8 0xBFE6A09E667F3BCD // cos ( 20 Pi / 16 )
-//
- data8 0xBFEA9B66290EA1A3 // sin ( 21 Pi / 16 )
- data8 0xBFE1C73B39AE68C8 // cos ( 21 Pi / 16 )
-//
- data8 0xBFED906BCF328D46 // sin ( 22 Pi / 16 )
- data8 0xBFD87DE2A6AEA963 // cos ( 22 Pi / 16 )
-//
- data8 0xBFEF6297CFF75CB0 // sin ( 23 Pi / 16 )
- data8 0xBFC8F8B83C69A60B // cos ( 23 Pi / 16 )
-//
- data8 0xBFF0000000000000 // sin ( 24 Pi / 16 )
- data8 0x0000000000000000 // cos ( 24 Pi / 16 )
-//
- data8 0xBFEF6297CFF75CB0 // sin ( 25 Pi / 16 )
- data8 0x3FC8F8B83C69A60B // cos ( 25 Pi / 16 )
-//
- data8 0xBFED906BCF328D46 // sin ( 26 Pi / 16 )
- data8 0x3FD87DE2A6AEA963 // cos ( 26 Pi / 16 )
-//
- data8 0xBFEA9B66290EA1A3 // sin ( 27 Pi / 16 )
- data8 0x3FE1C73B39AE68C8 // cos ( 27 Pi / 16 )
-//
- data8 0xBFE6A09E667F3BCD // sin ( 28 Pi / 16 )
- data8 0x3FE6A09E667F3BCD // cos ( 28 Pi / 16 )
-//
- data8 0xBFE1C73B39AE68C8 // sin ( 29 Pi / 16 )
- data8 0x3FEA9B66290EA1A3 // cos ( 29 Pi / 16 )
-//
- data8 0xBFD87DE2A6AEA963 // sin ( 30 Pi / 16 )
- data8 0x3FED906BCF328D46 // cos ( 30 Pi / 16 )
-//
- data8 0xBFC8F8B83C69A60B // sin ( 31 Pi / 16 )
- data8 0x3FEF6297CFF75CB0 // cos ( 31 Pi / 16 )
-//
- data8 0x0000000000000000 // sin ( 32 Pi / 16 )
- data8 0x3FF0000000000000 // cos ( 32 Pi / 16 )
-LOCAL_OBJECT_END(double_sin_cos_beta_k4)
+{ .mfi
+ ldfpd sin_coeff_Q1, sin_coeff_Q2 = [SIN_AD_PQ_1], 16
+ nop.f 999
+ cmp.ge p8,p9 = -33,sin_GR_Mint
+}
+{ .mfb
+ add sin_GR_index = 32,sin_GR_Mint
+(p10) fma.s f8 = f8,f1,f0 // Force qnan if x=nan
+(p10) br.ret.spnt b0 // Exit for x=nan
+}
+;;
-.section .text
+{ .mmi
+ ldfd sin_coeff_P3 = [SIN_AD_PQ_1], 16
+(p9) cmp.le p8,p0 = 33, sin_GR_Mint
+ shl sin_GR_index = sin_GR_index,4
+}
+;;
-////////////////////////////////////////////////////////
-// There are two entry points: sin and cos
-// If from sin, p8 is true
-// If from cos, p9 is true
-GLOBAL_IEEE754_ENTRY(sinf)
+{ .mfi
+ setf.sig fp_tmp = gr_tmp // Create constant such that fmpy sets inexact
+ fnma.s1 sin_r = f1,sin_Mfloat,SIN_NORM_f8
+(p8) cmp.eq.unc p11,p12=sin_GR_sincos_flag,r0 // p11 if must call dbl cos
+ // p12 if must call dbl sin
+}
+{ .mbb
+ add SIN_AD_PQ_2 = sin_GR_index,SIN_AD_PQ_1
+(p11) br.cond.spnt COS_DOUBLE
+(p12) br.cond.spnt SIN_DOUBLE
+}
+;;
-{ .mlx
- alloc r32 = ar.pfs,1,13,0,0
- movl sincosf_GR_sig_inv_pi_by_16 = 0xA2F9836E4E44152A //signd of 16/pi
+.pred.rel "mutex",p6,p7 //SIN_Sin_Flag, SIN_Cos_Flag
+{ .mmi
+(p6) ldfpd sin_tbl_S,sin_tbl_C = [SIN_AD_PQ_2]
+(p7) ldfpd sin_tbl_C,sin_tbl_S = [SIN_AD_PQ_2]
+ nop.i 999
}
-{ .mlx
- addl sincosf_AD_1 = @ltoff(double_sincosf_pi), gp
- movl sincosf_GR_rshf_2to61 = 0x47b8000000000000 // 1.1 2^(63+63-2)
-};;
+;;
-{ .mfi
- ld8 sincosf_AD_1 = [sincosf_AD_1]
- fnorm.s1 sincosf_NORM_f8 = f8 // Normalize argument
- cmp.eq p8,p9 = r0, r0 // set p8 (clear p9) for sin
+{ .mfi
+ nop.m 999
+(p6) fclass.m.unc p8,p0 = f8, 0x0b // If sin, note denormal input to set uflow
+ nop.i 999
}
-{ .mib
- mov sincosf_GR_exp_2tom61 = 0xffff-61 // exponent of scale 2^-61
- mov sincosf_r_sincos = 0x0 // 0 for sin
- br.cond.sptk _SINCOSF_COMMON // go to common part
-};;
+{ .mfi
+ nop.m 999
+ fma.s1 sin_t = sin_r,sin_r,f0
+ nop.i 999
+}
+;;
-GLOBAL_IEEE754_END(sinf)
+{ .mfi
+ nop.m 999
+ fma.s1 sin_rcube = sin_t,sin_r,f0
+ nop.i 999
+}
+{ .mfi
+ nop.m 999
+ fma.s1 sin_tsq = sin_t,sin_t,f0
+ nop.i 999
+}
+;;
-GLOBAL_IEEE754_ENTRY(cosf)
+{ .mfi
+ nop.m 999
+ fma.s1 sin_poly_q3 = sin_t,sin_coeff_Q4,sin_coeff_Q3
+ nop.i 999
+}
+{ .mfi
+ nop.m 999
+ fma.s1 sin_poly_q5 = sin_t,sin_coeff_Q6,sin_coeff_Q5
+ nop.i 999
+}
+;;
-{ .mlx
- alloc r32 = ar.pfs,1,13,0,0
- movl sincosf_GR_sig_inv_pi_by_16 = 0xA2F9836E4E44152A //signd of 16/pi
+{ .mfi
+ nop.m 999
+ fma.s1 sin_poly_p1 = sin_t,sin_coeff_P5,sin_coeff_P4
+ nop.i 999
}
-{ .mlx
- addl sincosf_AD_1 = @ltoff(double_sincosf_pi), gp
- movl sincosf_GR_rshf_2to61 = 0x47b8000000000000 // 1.1 2^(63+63-2)
-};;
+{ .mfi
+ nop.m 999
+ fma.s1 sin_poly_p2 = sin_t,sin_coeff_P2,sin_coeff_P1
+ nop.i 999
+}
+;;
-{ .mfi
- ld8 sincosf_AD_1 = [sincosf_AD_1]
- fnorm.s1 sincosf_NORM_f8 = f8 // Normalize argument
- cmp.eq p9,p8 = r0, r0 // set p9 (clear p8) for cos
+{ .mfi
+ nop.m 999
+ fma.s1 sin_poly_q1 = sin_t,sin_coeff_Q2,sin_coeff_Q1
+ nop.i 999
}
-{ .mib
- mov sincosf_GR_exp_2tom61 = 0xffff-61 // exponent of scale 2^-61
- mov sincosf_r_sincos = 0x8 // 8 for cos
- nop.b 999
-};;
-
-////////////////////////////////////////////////////////
-// All entry points end up here.
-// If from sin, sincosf_r_sincos is 0 and p8 is true
-// If from cos, sincosf_r_sincos is 8 = 2^(k-1) and p9 is true
-// We add sincosf_r_sincos to N
-
-///////////// Common sin and cos part //////////////////
-_SINCOSF_COMMON:
-
-// Form two constants we need
-// 16/pi * 2^-2 * 2^63, scaled by 2^61 since we just loaded the significand
-// 1.1000...000 * 2^(63+63-2) to right shift int(W) into the low significand
-// fcmp used to set denormal, and invalid on snans
-{ .mfi
- setf.sig sincosf_SIG_INV_PI_BY_16_2TO61 = sincosf_GR_sig_inv_pi_by_16
- fclass.m p6,p0 = f8, 0xe7 // if x=0,inf,nan
- mov sincosf_exp_limit = 0x10017
-}
-{ .mlx
- setf.d sincosf_RSHF_2TO61 = sincosf_GR_rshf_2to61
- movl sincosf_GR_rshf = 0x43e8000000000000 // 1.1000 2^63
-};; // Right shift
-
-// Form another constant
-// 2^-61 for scaling Nfloat
-// 0x10017 is register_bias + 24.
-// So if f8 >= 2^24, go to large argument routines
-{ .mmi
- getf.exp sincosf_r_signexp = f8
- setf.exp sincosf_2TOM61 = sincosf_GR_exp_2tom61
- addl gr_tmp = -1,r0 // For "inexect" constant create
-};;
-
-// Load the two pieces of pi/16
-// Form another constant
-// 1.1000...000 * 2^63, the right shift constant
-{ .mmb
- ldfe sincosf_Pi_by_16_1 = [sincosf_AD_1],16
- setf.d sincosf_RSHF = sincosf_GR_rshf
-(p6) br.cond.spnt _SINCOSF_SPECIAL_ARGS
-};;
+{ .mfi
+ nop.m 999
+ fma.s1 sin_S_t = sin_t,sin_tbl_S,f0
+ nop.i 999
+}
+;;
-// Getting argument's exp for "large arguments" filtering
-{ .mmi
- ldfe sincosf_Pi_by_16_2 = [sincosf_AD_1],16
- setf.sig fp_tmp = gr_tmp // constant for inexact set
- nop.i 999
-};;
+{ .mfi
+ nop.m 999
+(p8) fmpy.s.s0 fp_tmp2 = f8,f8 // Dummy mult to set underflow if sin(denormal)
+ nop.i 999
+}
+{ .mfi
+ nop.m 999
+ fma.s1 sin_r7 = sin_rcube,sin_tsq,f0
+ nop.i 999
+}
+;;
-// Polynomial coefficients (Q2, Q1, P2, P1) loading
-{ .mmi
- ldfpd sincosf_P2,sincosf_Q2 = [sincosf_AD_1],16
- nop.m 999
- nop.i 999
-};;
+{ .mfi
+ nop.m 999
+ fma.s1 sin_poly_q3456 = sin_tsq,sin_poly_q5,sin_poly_q3
+ nop.i 999
+}
+;;
-// Select exponent (17 lsb)
-{ .mmi
- ldfpd sincosf_P1,sincosf_Q1 = [sincosf_AD_1],16
- nop.m 999
- dep.z sincosf_r_exp = sincosf_r_signexp, 0, 17
-};;
+{ .mfi
+ nop.m 999
+ fma.s1 sin_poly_p3 = sin_t,sin_poly_p1,sin_coeff_P3
+ nop.i 999
+}
+{ .mfi
+ nop.m 999
+ fma.s1 sin_poly_p4 = sin_rcube,sin_poly_p2,sin_r
+ nop.i 999
+}
+;;
-// p10 is true if we must call routines to handle larger arguments
-// p10 is true if f8 exp is >= 0x10017 (2^24)
-{ .mfb
- cmp.ge p10,p0 = sincosf_r_exp,sincosf_exp_limit
- nop.f 999
-(p10) br.cond.spnt _SINCOSF_LARGE_ARGS // Go to "large args" routine
-};;
-
-// sincosf_W = x * sincosf_Inv_Pi_by_16
-// Multiply x by scaled 16/pi and add large const to shift integer part of W to
-// rightmost bits of significand
-{ .mfi
- nop.m 999
- fma.s1 sincosf_W_2TO61_RSH = sincosf_NORM_f8, sincosf_SIG_INV_PI_BY_16_2TO61, sincosf_RSHF_2TO61
- nop.i 999
-};;
+{ .mfi
+ nop.m 999
+ fma.s1 sin_tbl_S_tcube = sin_S_t,sin_tsq,f0
+ nop.i 999
+}
+{ .mfi
+ nop.m 999
+ fma.s1 sin_poly_q12 = sin_S_t,sin_poly_q1,sin_tbl_S
+ nop.i 999
+}
+;;
-// sincosf_NFLOAT = Round_Int_Nearest(sincosf_W)
-// This is done by scaling back by 2^-61 and subtracting the shift constant
-{ .mfi
- nop.m 999
- fms.s1 sincosf_NFLOAT = sincosf_W_2TO61_RSH,sincosf_2TOM61,sincosf_RSHF
- nop.i 999
-};;
+{ .mfi
+ nop.m 999
+ fma.d.s1 sin_of_r = sin_r7,sin_poly_p3,sin_poly_p4
+ nop.i 999
+}
+;;
-// get N = (int)sincosf_int_Nfloat
-{ .mfi
- getf.sig sincosf_GR_n = sincosf_W_2TO61_RSH // integer N value
- nop.f 999
- nop.i 999
-};;
+{ .mfi
+ nop.m 999
+ fma.d.s1 sin_tbl_S_cos_of_r = sin_tbl_S_tcube,sin_poly_q3456,sin_poly_q12
+ nop.i 999
+}
+{ .mfi
+ nop.m 999
+ fmpy.s0 fp_tmp = fp_tmp, fp_tmp // Dummy mult to set inexact
+ nop.i 999
+}
+;;
-// Add 2^(k-1) (which is in sincosf_r_sincos=8) to N
-// sincosf_r = -sincosf_Nfloat * sincosf_Pi_by_16_1 + x
-{ .mfi
- add sincosf_GR_n = sincosf_GR_n, sincosf_r_sincos
- fnma.s1 sincosf_r = sincosf_NFLOAT, sincosf_Pi_by_16_1, sincosf_NORM_f8
- nop.i 999
-};;
-// Get M (least k+1 bits of N)
-{ .mmi
- and sincosf_GR_m = 0x1f,sincosf_GR_n // Put mask 0x1F -
- nop.m 999 // - select k+1 bits
- nop.i 999
-};;
+.pred.rel "mutex",p6,p7 //SIN_Sin_Flag, SIN_Cos_Flag
+{ .mfi
+ nop.m 999
+//(SIN_Sin_Flag) fma.s f8 = sin_tbl_C,sin_of_r,sin_tbl_S_cos_of_r
+(p6) fma.s f8 = sin_tbl_C,sin_of_r,sin_tbl_S_cos_of_r
+ nop.i 999
+}
+{ .mfb
+ nop.m 999
+//(SIN_Cos_Flag) fnma.s f8 = sin_tbl_C,sin_of_r,sin_tbl_S_cos_of_r
+(p7) fnma.s f8 = sin_tbl_C,sin_of_r,sin_tbl_S_cos_of_r
+ br.ret.sptk b0
+}
-// Add 16*M to address of sin_cos_beta table
-{ .mfi
- shladd sincosf_AD_2 = sincosf_GR_32m, 4, sincosf_AD_1
-(p8) fclass.m.unc p10,p0 = f8,0x0b // If sin denormal input -
- nop.i 999
-};;
+.endp sinf
+ASM_SIZE_DIRECTIVE(sinf)
-// Load Sin and Cos table value using obtained index m (sincosf_AD_2)
-{ .mfi
- ldfd sincosf_Sm = [sincosf_AD_2],8 // Sin value S[m]
-(p9) fclass.m.unc p11,p0 = f8,0x0b // If cos denormal input -
- nop.i 999 // - set denormal
-};;
-// sincosf_r = sincosf_r -sincosf_Nfloat * sincosf_Pi_by_16_2
+.proc SIN_DOUBLE
+SIN_DOUBLE:
+.prologue
{ .mfi
- ldfd sincosf_Cm = [sincosf_AD_2] // Cos table value C[m]
- fnma.s1 sincosf_r_exact = sincosf_NFLOAT, sincosf_Pi_by_16_2, sincosf_r
- nop.i 999
+ nop.m 0
+ nop.f 0
+.save ar.pfs,GR_SAVE_PFS
+ mov GR_SAVE_PFS=ar.pfs
}
-// get rsq = r*r
-{ .mfi
- nop.m 999
- fma.s1 sincosf_rsq = sincosf_r, sincosf_r, f0 // r^2 = r*r
- nop.i 999
-};;
+;;
{ .mfi
- nop.m 999
- fmpy.s0 fp_tmp = fp_tmp, fp_tmp // forces inexact flag
- nop.i 999
-};;
-
-// Polynomials calculation
-// Q = Q2*r^2 + Q1
-// P = P2*r^2 + P1
-{ .mfi
- nop.m 999
- fma.s1 sincosf_Q = sincosf_rsq, sincosf_Q2, sincosf_Q1
- nop.i 999
+ mov GR_SAVE_GP=gp
+ nop.f 0
+.save b0, GR_SAVE_B0
+ mov GR_SAVE_B0=b0
}
-{ .mfi
- nop.m 999
- fma.s1 sincosf_P = sincosf_rsq, sincosf_P2, sincosf_P1
- nop.i 999
-};;
-// get rcube and S[m]*r^2
-{ .mfi
- nop.m 999
- fmpy.s1 sincosf_srsq = sincosf_Sm,sincosf_rsq // r^2*S[m]
- nop.i 999
-}
-{ .mfi
- nop.m 999
- fmpy.s1 sincosf_rcub = sincosf_r_exact, sincosf_rsq
- nop.i 999
-};;
-
-// Get final P and Q
-// Q = Q*S[m]*r^2 + S[m]
-// P = P*r^3 + r
-{ .mfi
- nop.m 999
- fma.s1 sincosf_Q = sincosf_srsq,sincosf_Q, sincosf_Sm
- nop.i 999
+.body
+{ .mmb
+ nop.m 999
+ nop.m 999
+ br.call.sptk.many b0=sin
}
-{ .mfi
- nop.m 999
- fma.s1 sincosf_P = sincosf_rcub,sincosf_P,sincosf_r_exact
- nop.i 999
-};;
+;;
-// If sinf(denormal) - force underflow to be set
-.pred.rel "mutex",p10,p11
{ .mfi
- nop.m 999
-(p10) fmpy.s.s0 fp_tmp = f8,f8 // forces underflow flag
- nop.i 999 // for denormal sine args
+ mov gp = GR_SAVE_GP
+ nop.f 999
+ mov b0 = GR_SAVE_B0
}
-// If cosf(denormal) - force denormal to be set
-{ .mfi
- nop.m 999
-(p11) fma.s.s0 fp_tmp = f8, f1, f8 // forces denormal flag
- nop.i 999 // for denormal cosine args
-};;
-
+;;
-// Final calculation
-// result = C[m]*P + Q
-{ .mfb
- nop.m 999
- fma.s.s0 f8 = sincosf_Cm, sincosf_P, sincosf_Q
- br.ret.sptk b0 // Exit for common path
-};;
-
-////////// x = 0/Inf/NaN path //////////////////
-_SINCOSF_SPECIAL_ARGS:
-.pred.rel "mutex",p8,p9
-// sinf(+/-0) = +/-0
-// sinf(Inf) = NaN
-// sinf(NaN) = NaN
{ .mfi
- nop.m 999
-(p8) fma.s.s0 f8 = f8, f0, f0 // sinf(+/-0,NaN,Inf)
- nop.i 999
+ nop.m 999
+ fma.s f8 = f8,f1,f0
+(p0) mov ar.pfs = GR_SAVE_PFS
}
-// cosf(+/-0) = 1.0
-// cosf(Inf) = NaN
-// cosf(NaN) = NaN
-{ .mfb
- nop.m 999
-(p9) fma.s.s0 f8 = f8, f0, f1 // cosf(+/-0,NaN,Inf)
- br.ret.sptk b0 // Exit for x = 0/Inf/NaN path
-};;
+{ .mib
+ nop.m 999
+ nop.i 999
+(p0) br.ret.sptk b0
+}
+;;
+
+.endp SIN_DOUBLE
+ASM_SIZE_DIRECTIVE(SIN_DOUBLE)
-GLOBAL_IEEE754_END(cosf)
-//////////// x >= 2^24 - large arguments routine call ////////////
-LOCAL_LIBM_ENTRY(__libm_callout_sincosf)
-_SINCOSF_LARGE_ARGS:
+.proc COS_DOUBLE
+COS_DOUBLE:
.prologue
{ .mfi
- mov sincosf_GR_all_ones = -1 // 0xffffffff
- nop.f 999
-.save ar.pfs,GR_SAVE_PFS
- mov GR_SAVE_PFS = ar.pfs
+ nop.m 0
+ nop.f 0
+.save ar.pfs,GR_SAVE_PFS
+ mov GR_SAVE_PFS=ar.pfs
}
;;
{ .mfi
- mov GR_SAVE_GP = gp
- nop.f 999
-.save b0, GR_SAVE_B0
- mov GR_SAVE_B0 = b0
+ mov GR_SAVE_GP=gp
+ nop.f 0
+.save b0, GR_SAVE_B0
+ mov GR_SAVE_B0=b0
}
-.body
-{ .mbb
- setf.sig sincosf_save_tmp = sincosf_GR_all_ones // inexact set
- nop.b 999
-(p8) br.call.sptk.many b0 = __libm_sin_large# // sinf(large_X)
-};;
-
-{ .mbb
- cmp.ne p9,p0 = sincosf_r_sincos, r0 // set p9 if cos
- nop.b 999
-(p9) br.call.sptk.many b0 = __libm_cos_large# // cosf(large_X)
-};;
+.body
+{ .mmb
+ nop.m 999
+ nop.m 999
+ br.call.sptk.many b0=cos
+}
+;;
{ .mfi
- mov gp = GR_SAVE_GP
- fma.s.s0 f8 = f8, f1, f0 // Round result to single
- mov b0 = GR_SAVE_B0
+ mov gp = GR_SAVE_GP
+ nop.f 999
+ mov b0 = GR_SAVE_B0
}
-{ .mfi // force inexact set
- nop.m 999
- fmpy.s0 sincosf_save_tmp = sincosf_save_tmp, sincosf_save_tmp
- nop.i 999
-};;
+;;
+{ .mfi
+ nop.m 999
+ fma.s f8 = f8,f1,f0
+(p0) mov ar.pfs = GR_SAVE_PFS
+}
{ .mib
- nop.m 999
- mov ar.pfs = GR_SAVE_PFS
- br.ret.sptk b0 // Exit for large arguments routine call
-};;
-LOCAL_LIBM_END(__libm_callout_sincosf)
+ nop.m 999
+ nop.i 999
+(p0) br.ret.sptk b0
+}
+;;
+
+.endp COS_DOUBLE
+ASM_SIZE_DIRECTIVE(COS_DOUBLE)
+
-.type __libm_sin_large#, @function
-.global __libm_sin_large#
-.type __libm_cos_large#, @function
-.global __libm_cos_large#
+.type sin,@function
+.global sin
+.type cos,@function
+.global cos