| Server IP : 2.57.91.208 / Your IP : 216.73.216.217 Web Server : LiteSpeed System : Linux id-dci-web1986.main-hosting.eu 5.14.0-611.26.1.el9_7.x86_64 #1 SMP PREEMPT_DYNAMIC Thu Jan 29 05:24:47 EST 2026 x86_64 User : u686484674 ( 686484674) PHP Version : 8.0.30 Disable Function : system, exec, shell_exec, passthru, mysql_list_dbs, ini_alter, dl, symlink, link, chgrp, leak, popen, apache_child_terminate, virtual, mb_send_mail MySQL : OFF | cURL : ON | WGET : ON | Perl : OFF | Python : OFF | Sudo : OFF | Pkexec : OFF Directory : /opt/golang/1.22.0/src/math/big/ |
Upload File : |
// Copyright 2009 The Go Authors. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. //go:build !math_big_pure_go #include "textflag.h" // This file provides fast assembly versions for the elementary // arithmetic operations on vectors implemented in arith.go. // func addVV(z, x, y []Word) (c Word) TEXT ·addVV(SB),NOSPLIT,$0 ADD.S $0, R0 // clear carry flag MOVW z+0(FP), R1 MOVW z_len+4(FP), R4 MOVW x+12(FP), R2 MOVW y+24(FP), R3 ADD R4<<2, R1, R4 B E1 L1: MOVW.P 4(R2), R5 MOVW.P 4(R3), R6 ADC.S R6, R5 MOVW.P R5, 4(R1) E1: TEQ R1, R4 BNE L1 MOVW $0, R0 MOVW.CS $1, R0 MOVW R0, c+36(FP) RET // func subVV(z, x, y []Word) (c Word) // (same as addVV except for SBC instead of ADC and label names) TEXT ·subVV(SB),NOSPLIT,$0 SUB.S $0, R0 // clear borrow flag MOVW z+0(FP), R1 MOVW z_len+4(FP), R4 MOVW x+12(FP), R2 MOVW y+24(FP), R3 ADD R4<<2, R1, R4 B E2 L2: MOVW.P 4(R2), R5 MOVW.P 4(R3), R6 SBC.S R6, R5 MOVW.P R5, 4(R1) E2: TEQ R1, R4 BNE L2 MOVW $0, R0 MOVW.CC $1, R0 MOVW R0, c+36(FP) RET // func addVW(z, x []Word, y Word) (c Word) TEXT ·addVW(SB),NOSPLIT,$0 MOVW z+0(FP), R1 MOVW z_len+4(FP), R4 MOVW x+12(FP), R2 MOVW y+24(FP), R3 ADD R4<<2, R1, R4 TEQ R1, R4 BNE L3a MOVW R3, c+28(FP) RET L3a: MOVW.P 4(R2), R5 ADD.S R3, R5 MOVW.P R5, 4(R1) B E3 L3: MOVW.P 4(R2), R5 ADC.S $0, R5 MOVW.P R5, 4(R1) E3: TEQ R1, R4 BNE L3 MOVW $0, R0 MOVW.CS $1, R0 MOVW R0, c+28(FP) RET // func subVW(z, x []Word, y Word) (c Word) TEXT ·subVW(SB),NOSPLIT,$0 MOVW z+0(FP), R1 MOVW z_len+4(FP), R4 MOVW x+12(FP), R2 MOVW y+24(FP), R3 ADD R4<<2, R1, R4 TEQ R1, R4 BNE L4a MOVW R3, c+28(FP) RET L4a: MOVW.P 4(R2), R5 SUB.S R3, R5 MOVW.P R5, 4(R1) B E4 L4: MOVW.P 4(R2), R5 SBC.S $0, R5 MOVW.P R5, 4(R1) E4: TEQ R1, R4 BNE L4 MOVW $0, R0 MOVW.CC $1, R0 MOVW R0, c+28(FP) RET // func shlVU(z, x []Word, s uint) (c Word) TEXT ·shlVU(SB),NOSPLIT,$0 MOVW z_len+4(FP), R5 TEQ $0, R5 BEQ X7 MOVW z+0(FP), R1 MOVW x+12(FP), R2 ADD R5<<2, R2, R2 ADD R5<<2, R1, R5 MOVW s+24(FP), R3 TEQ $0, R3 // shift 0 is special BEQ Y7 ADD $4, R1 // stop one word early MOVW $32, R4 SUB R3, R4 MOVW $0, R7 MOVW.W -4(R2), R6 MOVW R6<<R3, R7 MOVW R6>>R4, R6 MOVW R6, c+28(FP) B E7 L7: MOVW.W -4(R2), R6 ORR R6>>R4, R7 MOVW.W R7, -4(R5) MOVW R6<<R3, R7 E7: TEQ R1, R5 BNE L7 MOVW R7, -4(R5) RET Y7: // copy loop, because shift 0 == shift 32 MOVW.W -4(R2), R6 MOVW.W R6, -4(R5) TEQ R1, R5 BNE Y7 X7: MOVW $0, R1 MOVW R1, c+28(FP) RET // func shrVU(z, x []Word, s uint) (c Word) TEXT ·shrVU(SB),NOSPLIT,$0 MOVW z_len+4(FP), R5 TEQ $0, R5 BEQ X6 MOVW z+0(FP), R1 MOVW x+12(FP), R2 ADD R5<<2, R1, R5 MOVW s+24(FP), R3 TEQ $0, R3 // shift 0 is special BEQ Y6 SUB $4, R5 // stop one word early MOVW $32, R4 SUB R3, R4 MOVW $0, R7 // first word MOVW.P 4(R2), R6 MOVW R6>>R3, R7 MOVW R6<<R4, R6 MOVW R6, c+28(FP) B E6 // word loop L6: MOVW.P 4(R2), R6 ORR R6<<R4, R7 MOVW.P R7, 4(R1) MOVW R6>>R3, R7 E6: TEQ R1, R5 BNE L6 MOVW R7, 0(R1) RET Y6: // copy loop, because shift 0 == shift 32 MOVW.P 4(R2), R6 MOVW.P R6, 4(R1) TEQ R1, R5 BNE Y6 X6: MOVW $0, R1 MOVW R1, c+28(FP) RET // func mulAddVWW(z, x []Word, y, r Word) (c Word) TEXT ·mulAddVWW(SB),NOSPLIT,$0 MOVW $0, R0 MOVW z+0(FP), R1 MOVW z_len+4(FP), R5 MOVW x+12(FP), R2 MOVW y+24(FP), R3 MOVW r+28(FP), R4 ADD R5<<2, R1, R5 B E8 // word loop L8: MOVW.P 4(R2), R6 MULLU R6, R3, (R7, R6) ADD.S R4, R6 ADC R0, R7 MOVW.P R6, 4(R1) MOVW R7, R4 E8: TEQ R1, R5 BNE L8 MOVW R4, c+32(FP) RET // func addMulVVW(z, x []Word, y Word) (c Word) TEXT ·addMulVVW(SB),NOSPLIT,$0 MOVW $0, R0 MOVW z+0(FP), R1 MOVW z_len+4(FP), R5 MOVW x+12(FP), R2 MOVW y+24(FP), R3 ADD R5<<2, R1, R5 MOVW $0, R4 B E9 // word loop L9: MOVW.P 4(R2), R6 MULLU R6, R3, (R7, R6) ADD.S R4, R6 ADC R0, R7 MOVW 0(R1), R4 ADD.S R4, R6 ADC R0, R7 MOVW.P R6, 4(R1) MOVW R7, R4 E9: TEQ R1, R5 BNE L9 MOVW R4, c+28(FP) RET