;;
;; Copyright (c) 2018-2020, Intel Corporation
;;
;; Redistribution and use in source and binary forms, with or without
;; modification, are permitted provided that the following conditions are met:
;;
;;     * Redistributions of source code must retain the above copyright notice,
;;       this list of conditions and the following disclaimer.
;;     * Redistributions in binary form must reproduce the above copyright
;;       notice, this list of conditions and the following disclaimer in the
;;       documentation and/or other materials provided with the distribution.
;;     * Neither the name of Intel Corporation nor the names of its contributors
;;       may be used to endorse or promote products derived from this software
;;       without specific prior written permission.
;;
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;; AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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;;

%include "include/os.asm"

section .data
default rel

MKGLOBAL(len_shift_tab,data,internal)
MKGLOBAL(len_mask_tab,data,internal)
MKGLOBAL(padding_0x80_tab16,data,internal)
MKGLOBAL(shift_tab_16,data,internal)

;;; The following tables are used to insert a word into
;;; a SIMD register and must be defined together.
;;; If resized, update len_tab_diff definition in const.inc module.
;;; Other modifications may require updates to dependent modules.

;;; Table used to shuffle word to correct index
;;; Used by macros:
;;;    - PINSRW_COMMON
;;;    - XPINSRW
;;;    - XVPINSRW
align 16
len_shift_tab:
        db 0x00, 0x01, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
        db 0xff, 0xff, 0x00, 0x01, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
        db 0xff, 0xff, 0xff, 0xff, 0x00, 0x01, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
        db 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, 0x01, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
        db 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, 0x01, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
        db 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, 0x01, 0xff, 0xff, 0xff, 0xff,
        db 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, 0x01, 0xff, 0xff,
        db 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, 0x01

;;; Table used to zero index
align 16
len_mask_tab:
        dw 0x0000, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff,
        dw 0xffff, 0x0000, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff,
        dw 0xffff, 0xffff, 0x0000, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff,
        dw 0xffff, 0xffff, 0xffff, 0x0000, 0xffff, 0xffff, 0xffff, 0xffff,
        dw 0xffff, 0xffff, 0xffff, 0xffff, 0x0000, 0xffff, 0xffff, 0xffff,
        dw 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0x0000, 0xffff, 0xffff,
        dw 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0x0000, 0xffff,
        dw 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0x0000

;;; Table to do 0x80 byte shift for padding prefix
align 16
padding_0x80_tab16:
        db 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
        db 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00

;;; Table for shifting bytes in 128 bit SIMD register
align 16
shift_tab_16:
        db 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
        db 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
        db 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
        db 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
        db 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
        db 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff

%ifdef LINUX
section .note.GNU-stack noalloc noexec nowrite progbits
%endif
