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isalist(5)	      Standards, Environments, and Macros	    isalist(5)

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  in-
       creasing	performance; lettered entries are either mutually exclusive or
       cannot be ordered.

   SPARC Platforms
       Where  appropriate, correspondence with a given value of	the -xarch op-
       tion of Sun's C 4.0 compiler is indicated.  Other  compilers  may  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) may  be  emulated
	     by	the kernel on certain systems.

       1b. sparcv7
	     Same  as  sparc.  This  corresponds  to  code  produced  with the
	     -xarch=v7 option of Sun's C 4.0 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 Sun's	C 4.0 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 Sun's C 4.0 compiler.

       4. sparcv8plus
	     Indicates the SPARC V8 instruction	set plus those instructions in
	     the  SPARC	V9 instruction set, as defined in  The SPARC Architec-
	     ture Manual, Version 9, Prentice-Hall, 1994, that can be used ac-
	     cording  to  The V8+ Technical Specification. This	corresponds to
	     code produced with	the -xarch=v8plus option of Sun's C  4.0  com-
	     piler.

       5a. sparcv8plus+vis
	     Like sparcv8plus, with the	addition of those UltraSPARC I Visual-
	     ization Instructions that can be used according to	The V8+	 Tech-
	     nical  Specification.  This corresponds to	code produced with the
	     -xarch=v8plusa option of Sun's C 4.0 compiler.

       5b. sparcv8plus+fmuladd
	     Like sparcv8plus, with the	addition of the	Hal  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+fmuladd
	     Like  sparcv9, with the addition of the Hal SPARC64 floating mul-
	     tiply-add and multiply-subtract instructions.

   Intel Platforms
       1. i386
	     The Intel 80386 instruction set, as described in  The i386	Micro-
	     processor Programmer's Reference Manual.

       2. i486
	     The Intel 80486 instruction set, as described in  The i486	Micro-
	     processor 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
	     Processor 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  guaran-
	     teed present.)

       6. pentium_pro+mmx
	     Like pentium_pro, with the	MMX instructions guaranteed present.

SEE ALSO
       isalist(1), sysinfo(2)

SunOS 5.9			  18 Feb 1997			    isalist(5)

NAME | DESCRIPTION | SEE ALSO

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