公开(公告)号：EP2812793B1

公开(公告)日：2016-09-28

申请号：EP13708942.1

申请日：2013-02-08

申请人： Qualcomm Incorporated

发明人： PLONDKE, Erich James ,  CODRESCU, Lucian ,  TABONY, Charles Joseph ,  BALASUBRAMANIAN, Swaminathan

IPC分类号： G06F9/30

CPC分类号： G06F9/30014 ,  G06F9/30025 ,  G06F9/30167

公开(公告)号：EP2812793A1

公开(公告)日：2014-12-17

申请号：EP13708942.1

申请日：2013-02-08

申请人： Qualcomm Incorporated

发明人： PLONDKE, Erich James ,  CODRESCU, Lucian ,  TABONY, Charles Joseph ,  BALASUBRAMANIAN, Swaminathan

IPC分类号： G06F9/30

CPC分类号： G06F9/30014 ,  G06F9/30025 ,  G06F9/30167

摘要： Systems and methods for generating a floating point constant value from an instruction are disclosed. A first field of the instruction is decoded as a sign bit of the floating point constant value. A second field of the instruction is decoded to correspond to an exponent value of the floating point constant value. A third field of the instruction is decoded to correspond to the significand of the floating point constant value. The first field, the second field, and the third field are combined to form the floating point constant value. The exponent value may include a bias, and a bias constant may be added to the exponent value to compensate for the bias. The third field may comprise the most significant bits of the significand. Optionally, the second field and the third field may be shifted by first and second shift values respectively before they are combined to form the floating point constant value.

公开(公告)号：EP2812792B1

公开(公告)日：2017-10-18

申请号：EP13706805.2

申请日：2013-02-07

申请人： Qualcomm Incorporated

发明人： TABONY, Charles Joseph ,  PLONDKE, Erich James ,  CODRESCU, Lucian ,  VENKUMAHANTI, Suresh K. ,  MENEZES, Evandro Carlos

IPC分类号： G06F9/30 ,  G06F9/32

CPC分类号： G06F9/30189 ,  G06F9/30054 ,  G06F9/30076 ,  G06F9/30149 ,  G06F9/30181 ,  G06F9/322 ,  G06F9/3816

公开(公告)号：EP2542963B1

公开(公告)日：2016-02-24

申请号：EP11708631.4

申请日：2011-03-02

申请人： Qualcomm Incorporated

发明人： CODRESCU, Lucian ,  PLONDKE, Erich James ,  INGLE, Ajay Anant ,  VENKUMAHANTI, Suresh K. ,  TABONY, Charles Joseph

IPC分类号： G06F9/30 ,  G06F9/38

CPC分类号： G06F9/3853 ,  G06F9/30149

公开(公告)号：EP2812792A1

公开(公告)日：2014-12-17

申请号：EP13706805.2

申请日：2013-02-07

申请人： Qualcomm Incorporated

发明人： TABONY, Charles Joseph ,  PLONDKE, Erich James ,  CODRESCU, Lucian ,  VENKUMAHANTI, Suresh K. ,  MENEZES, Evandro Carlos

IPC分类号： G06F9/30 ,  G06F9/32

CPC分类号： G06F9/30189 ,  G06F9/30054 ,  G06F9/30076 ,  G06F9/30149 ,  G06F9/30181 ,  G06F9/322 ,  G06F9/3816

摘要： Systems and methods for tracking and switching between execution modes in processing systems. A processing system is configured to execute instructions in at least two instruction execution modes including a first and second execution mode chosen from a classic/aligned mode and a compressed/unaligned mode. Target addresses of selected instructions such as calls and returns are forcibly misaligned in the compressed mode, such one or more bits, such as, the least significant bits (alignment bits) of the target address in the compressed mode are different from the corresponding alignment bits in the classic mode. When the selected instructions are encountered during execution in the first mode, a decision to switch operation to the second mode is based on analyzing the alignment bits of the target address of the selected instruction.

公开(公告)号：EP2542963A1

公开(公告)日：2013-01-09

申请号：EP11708631.4

申请日：2011-03-02

申请人： Qualcomm Incorporated

发明人： CODRESCU, Lucian ,  PLONDKE, Erich James ,  INGLE, Ajay Anant ,  VENKUMAHANTI, Suresh K. ,  TABONY, Charles Joseph

IPC分类号： G06F9/30 ,  G06F9/38

CPC分类号： G06F9/3853 ,  G06F9/30149

摘要： A system and method of processing a hierarchical very long instruction word (VLIW) packet is disclosed. In a particular embodiment, a method of processing instructions is disclosed. The method includes receiving a hierarchical VLIW packet of instructions and decoding an instruction from the packet to determine whether the instruction is a single instruction or whether the instruction includes a subpacket that includes a plurality of sub-instructions. The method also includes, in response to determining that the instruction includes the subpacket, executing each of the sub-instructions.