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    Method and Apparatus to Process 4-Operand SIMD Integer Multiply-Accumulate Instruction
    281.
    发明申请
    Method and Apparatus to Process 4-Operand SIMD Integer Multiply-Accumulate Instruction 审中-公开
    处理4-操作数SIMD整数乘法累加指令的方法和装置

    公开(公告)号：US20160202975A1

    公开(公告)日：2016-07-14

    申请号：US15077093

    申请日：2016-03-22

    Applicant: Intel Corporation

    Inventor： Vinodh Gopal ,  Erdinc Ozturk ,  James D. Guilford ,  Gilbert M. Wolrich

    IPC: G06F9/30

    CPC classification number: G06F9/3001 ,  G06F7/5443 ,  G06F9/30014 ,  G06F9/30036 ,  G06F9/30145 ,  G06F9/3016 ,  G06F9/34 ,  G06F9/3887

    Abstract: According to one embodiment, a processor includes an instruction decoder to receive an instruction to process a multiply-accumulate operation, the instruction having a first operand, a second operand, a third operand, and a fourth operand. The first operand is to specify a first storage location to store an accumulated value; the second operand is to specify a second storage location to store a first value and a second value; and the third operand is to specify a third storage location to store a third value. The processor further includes an execution unit coupled to the instruction decoder to perform the multiply-accumulate operation to multiply the first value with the second value to generate a multiply result and to accumulate the multiply result and at least a portion of a third value to an accumulated value based on the fourth operand.

    Abstract translation: 根据一个实施例，处理器包括指令解码器，用于接收处理多重累积运算的指令，该指令具有第一操作数，第二操作数，第三操作数和第四操作数。 第一个操作数是指定一个存储累积值的第一个存储位置; 第二操作数是指定存储第一值和第二值的第二存储位置; 并且第三操作数是指定存储第三值的第三存储位置。 所述处理器还包括执行单元，其耦合到所述指令解码器以执行所述乘法运算，以将所述第一值乘以所述第二值以产生乘法结果，并将乘法结果和第三值的至少一部分累积到 基于第四操作数的累计值。

    INSTRUCTION AND LOGIC TO PROVIDE SIMD SECURE HASHING ROUND SLICE FUNCTIONALITY
    284.
    发明申请
    INSTRUCTION AND LOGIC TO PROVIDE SIMD SECURE HASHING ROUND SLICE FUNCTIONALITY 审中-公开
    指示和逻辑提供SIMD安全冲击圆形功能

    公开(公告)号：US20160034282A1

    公开(公告)日：2016-02-04

    申请号：US14880166

    申请日：2015-10-09

    Applicant: Intel Corporation

    Inventor： Gilbert M. Wolrich ,  Vinodh Gopal ,  Kirk S. Yap

    IPC: G06F9/38 ,  G06F9/30 ,  G06F15/80

    CPC classification number: H04L9/0643 ,  G06F9/30007 ,  G06F9/30036 ,  G06F9/30145 ,  G06F9/3887 ,  G06F15/8007 ,  G06F21/602 ,  G06F21/64

    Abstract: Instructions and logic provide SIMD secure hashing round slice functionality. Some embodiments include a processor comprising: a decode stage to decode an instruction for a SIMD secure hashing algorithm round slice, the instruction specifying a source data operand set, a message-plus-constant operand set, a round-slice portion of the secure hashing algorithm round, and a rotator set portion of rotate settings. Processor execution units, are responsive to the decoded instruction, to perform a secure hashing round-slice set of round iterations upon the source data operand set, applying the message-plus-constant operand set and the rotator set, and store a result of the instruction in a SIMD destination register. One embodiment of the instruction specifies a hash round type as one of four MD5 round types. Other embodiments may specify a hash round type by an immediate operand as one of three SHA-1 round types or as a SHA-2 round type.

    Abstract translation: 说明和逻辑提供SIMD安全散列圆切片功能。 一些实施例包括处理器，包括：解码级，用于解码用于SIMD安全散列算法圆切片的指令，指定源数据操作数集合的指令，消息加常数操作数集合，安全散列的圆切片部分 圆周运算，旋转设定部分旋转设定。 处理器执行单元响应于解码的指令，在源数据操作数集合上执行循环迭代的安全散列圆切片集合，应用消息加常数操作数集合和旋转器集合，并且存储 SIMD目的寄存器中的指令。 该指令的一个实施例将哈希循环类型指定为四个MD5循环类型之一。 其他实施例可以通过立即操作数来指定散列循环类型，作为三种SHA-1轮型之一或SHA-2轮型。

    Instructions processors, methods, and systems to process secure hash algorithms
    287.
    发明授权
    Instructions processors, methods, and systems to process secure hash algorithms 有权
    指令处理器，方法和系统来处理安全散列算法

    公开(公告)号：US09027104B2

    公开(公告)日：2015-05-05

    申请号：US13843141

    申请日：2013-03-15

    Applicant: Intel Corporation

    Inventor： Gilbert M. Wolrich ,  Kirk S. Yap ,  Vinodh Gopal ,  James D. Guilford

    IPC: G06F21/72 ,  H04L9/06

    CPC classification number: H04L9/0643 ,  G06F9/30007 ,  G06F9/30036 ,  G06F9/30101 ,  G06F9/30145 ,  G06F9/3016 ,  G06F21/602 ,  G06F21/64 ,  G06F21/72

    Abstract: A method of an aspect includes receiving an instruction. The instruction indicates a first source of a first packed data including state data elements ai, bi, ei, and fi for a current round (i) of a secure hash algorithm 2 (SHA2) hash algorithm. The instruction indicates a second source of a second packed data. The first packed data has a width in bits that is less than a combined width in bits of eight state data elements ai, bi, ci, di, ei, fi, gi, hi of the SHA2 hash algorithm. The method also includes storing a result in a destination indicated by the instruction in response to the instruction. The result includes updated state data elements ai+, bi+, ei+, and fi+ that have been updated from the corresponding state data elements ai, bi, ei, and fi by at least one round of the SHA2 hash algorithm.

    Abstract translation: 方面的方法包括接收指令。 该指令指示包括安全散列算法2（SHA2）散列算法的当前轮（i）的状态数据元素ai，bi，ei和fi的第一打包数据的第一来源。 该指令指示第二打包数据的第二来源。 第一打包数据具有小于SHA2散列算法的八个状态数据元素ai，bi，ci，di，ei，fi，gi，hi的组合宽度的比特宽度。 该方法还包括响应于指令将结果存储在由指令指示的目的地中。 结果包括已经通过至少一轮的SHA2散列算法从相应的状态数据元素ai，bi，ei和fi更新的更新的状态数据元素ai +，bi +，ei +和fi +。

    PROCESSOR TO PERFORM A BIT RANGE ISOLATION INSTRUCTION
    289.
    发明申请
    PROCESSOR TO PERFORM A BIT RANGE ISOLATION INSTRUCTION 审中-公开
    处理器执行一个位格式隔离指令

    公开(公告)号：US20150100760A1

    公开(公告)日：2015-04-09

    申请号：US14568725

    申请日：2014-12-12

    Applicant: Intel Corporation

    Inventor： Maxim Loktyukhin ,  Eric W Mahurin ,  Bret L Toll ,  Martin G Dixon ,  Sean P Mirkes ,  David L Kreitzer ,  ELMOUSTAPHA OULD-AHMED-VALL ,  Vinodh Gopal

    IPC: G06F9/30 ,  G06F9/38

    Abstract: Receiving an instruction indicating a source operand and a destination operand. Storing a result in the destination operand in response to the instruction. The result operand may have: (1) first range of bits having a first end explicitly specified by the instruction in which each bit is identical in value to a bit of the source operand in a corresponding position; and (2) second range of bits that all have a same value regardless of values of bits of the source operand in corresponding positions. Execution of instruction may complete without moving the first range of the result relative to the bits of identical value in the corresponding positions of the source operand, regardless of the location of the first range of bits in the result. Execution units to execute such instructions, computer systems having processors to execute such instructions, and machine-readable medium storing such an instruction are also disclosed.

    Abstract translation: 接收指示源操作数和目标操作数的指令。 将结果存储在目标操作数中以响应指令。 结果操作数可以具有：（1）具有第一端的第一范围，其中每个位在相应位置中的每个位与源操作数的位相同的指令明确地指定; 和（2）与相应位置中的源操作数的位的值无关的所有位都具有相同值的第二范围。 不管移动第一范围的结果相对于源操作数的相应位置中相同值的位，执行指令都可以完成，而不考虑结果中第一个位的位置。 还公开了执行这些指令的执行单元，具有执行这种指令的处理器的计算机系统以及存储这种指令的机器可读介质。

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