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isalist(7)

Standards, Environments, Macros, Character Sets, and miscellany
                                                                    isalist(7)



NAME
       isalist - the native instruction sets known to Solaris software

DESCRIPTION
       The  possible  instruction  set  names  returned  by isalist(1) and the
       SI_ISALIST command of sysinfo(2) are listed here.


       The list is ordered within an instruction set family in the sense  that
       later  names are generally faster then earlier names; note that this is
       in the reverse order than listed by isalist(1) and sysinfo(2).  In  the
       following list of values, numbered entries generally represent increas‐
       ing performance; lettered entries are either mutually exclusive or can‐
       not be ordered.


       This  feature  is  obsolete  and  may be removed in a future version of
       Solaris. The lists below do not reflect all the  extensions  that  have
       been  made by modern processors. See isainfo(1) and getisax(2) for bet‐
       ter ways to handle instruction set extensions.

   SPARC Platforms
       Where appropriate, correspondence with a  given  value  of  the  -xarch
       option  of  Oracle Developer Studio C compiler is indicated. Other com‐
       pilers might have similar options.

       1a. sparc

           Indicates the SPARC V8 instruction set, as  defined  in  The  SPARC
           Architecture  Manual,  Version  8,  Prentice-Hall, Inc., 1992. Some
           instructions (such as integer multiply and divide, FSMULD, and  all
           floating  point operations on quad operands) can be emulated by the
           kernel on certain systems.


       1b. sparcv7

           Same as sparc. This corresponds to code produced with the -xarch=v7
           option of the Oracle Developer Studio C compiler.


       2. sparcv8-fsmuld

           Like  sparc,  except  that integer multiply and divide must be exe‐
           cuted in hardware. This  corresponds  to  code  produced  with  the
           -xarch=v8a option of the Oracle Developer Studio C compiler.


       3. sparcv8

           Like  sparcv8-fsmuld,  except  that FSMULD must also be executed in
           hardware. This corresponds to  code  produced  with  the  -xarch=v8
           option of the Oracle Developer Studio C compiler.


       4. sparcv8plus

           Indicates  the  SPARC V8 instruction set plus those instructions in
           the SPARC V9 instruction set, as defined in The SPARC  Architecture
           Manual,  Version 9, Prentice-Hall, 1994, that can be used according
           to The V8+ Technical Specification. This corresponds to  code  pro‐
           duced  with the -xarch=v8plus option of the Oracle Developer Studio
           C compiler.


       5a. sparcv8plus+vis

           Like sparcv8plus, with the addition of those UltraSPARC  I  Visual‐
           ization  Instructions that can be used according to The V8+ Techni‐
           cal Specification. This  corresponds  to  code  produced  with  the
           -xarch=v8plusa option of the Oracle Developer Studio C compiler.


       5b. sparcv8plus+fmuladd

           Like sparcv8plus, with the addition of the Fujitsu SPARC64 floating
           multiply-add and multiply-subtract instructions.


       6. sparcv9

           Indicates the SPARC V9 instruction set, as  defined  in  The  SPARC
           Architecture Manual, Version 9, Prentice-Hall, 1994.


       7a. sparcv9+vis

           Like  sparcv9,  with the addition of the UltraSPARC I Visualization
           Instructions.


       7b. sparcv9+vis2

           Like sparcv9, with the addition of the UltraSPARC III Visualization
           Instructions.


       7c. sparcv9+fmuladd

           Like  sparcv9,  with  the  addition of the Fujitsu SPARC64 floating
           multiply-add and multiply-subtract instructions.


   x86 Platforms
       1. i386

           The Intel 80386 instruction set, as described in The i386 Micropro‐
           cessor Programmer's Reference Manual.


       2. i486

           The Intel 80486 instruction set, as described in The i486 Micropro‐
           cessor Programmer's Reference Manual. (This  is  effectively  i386,
           plus the CMPXCHG, BSWAP, and XADD instructions.)


       3. pentium

           The Intel Pentium instruction set, as described in The Pentium Pro‐
           cessor User's Manual. (This is effectively i486,  plus  the  CPU_ID
           instruction, and any features that the CPU_ID instruction indicates
           are present.)


       4. pentium+mmx

           Like pentium, with the MMX instructions guaranteed present.


       5. pentium_pro

           The Intel PentiumPro instruction set,  as  described  in  The  Pen‐
           tiumPro  Family  Developer's  Manual. (This is effectively pentium,
           with the CMOVcc, FCMOVcc, FCOMI, and RDPMC instructions  guaranteed
           present.)


       6. pentium_pro+mmx

           Like pentium_pro, with the MMX instructions guaranteed present.


       7. amd64

           The  AMD  Opteron instruction set, as described in the AMD64 Archi‐
           tecture Programmer's Manual.


SEE ALSO
       isalist(1), getisax(2), sysinfo(2)


       For information about the -xarch options supported by the  C  compiler,
       see the Oracle Developer Studio 12.6: C User's Guide (https://docs.ora‐
       cle.com/cd/E77782_01/html/E77788/bjapr.html#OSSCGbkaza).

NOTES
       Instruction extensions to the native platform ABI are also  represented
       by  hardware capabilities. For a complete description of hardware capa‐
       bilities, refer to the Oracle Solaris 11.4 Linkers and Libraries Guide.



Oracle Solaris 11.4               4 May 2020                        isalist(7)
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