IBM Flag disclosure 

XLC/XLF options:
-O3           - optimization level 3 turned on
-Q            - Turn inlining on
-Q=xxx        - Inline functions < xxx lines

-qarch=ppc    - sets architecture to PowerPC
-qarch=power2 - sets architecture to Power2
-qarch=pwrx   - sets architecture to Power2

-qtune=pwr2   - instruction selection, scheduling, and other implementation 
		dependent performance enhancements to Power2

-qpdf1/pdf2   - profile directed feedback optimization

-qmaxmem=-1   - No limit to how much memory to use during compilation

-qhsflt       - prevents rounding of single-precision expressions and replacing
-qfloat=hsflt   floating-point division by multiplication by the reciprocal of
		the divisor

-qrndsngl     - rounds the result of each single-precision operation to single-
		precision, rather than waiting until the full expression is
		evaluated

-qstrict      - ensures that optimzations of -O3 do not alter the semantics of
		the program

-qalias=noaryovrlp - Program does not contain array assignments of overlapping
		or storage-associated arrays; can produce significant
		performance improvements for array language.

-qhot         - performs high order loop transformations

-qhot=arraypad=248 - Performs additional loop optimization and pads array
		dimensions to prevent cache misses.

-qipa=noobject:level=2:partition=large - Specifies the size of program sections
		that are analyzed together.  Larger partitions produce better
		analysis but require more storage.

-qintlog      - allows for mixing integer and logical data entities in
		expressions and statements

-qipa         - turns on interprocedural analysis

-tbtable=none - Don't generate traceback information

-qnosave      - sets default storage class of local variables to automatic

-qdatalocal   - assume all data items are local

-1            - Executes DO loops at least once, if reached.

-qdpc         - increase the precision of real constants, for maximum accuracy
		when assigning real constants to DOUBLE PRECISION variables.

-qlog4        - Logical expressions that have a LOGICAL result are of type 
		LOGICAL(4).

-qassert=addr - Variables are disjoint from pointers unless their address is
		taken.

-qassert=allp - Pointers are never aliased.

-qcompact     - Reduce code size where possible, at the expense of execution
		speed.  Code size is reduced by inhibiting optimizations that
		replicate or expand code inline.

-qansialias   - Use type-based aliasing during optimization.

-qinlglue     - Generate fast external linkage by inlining the code (pointer
		glue code) necessary at calls via a function pointer and calls
		to external procedures.

-qunroll      - Allow the optimizer to unroll loops.


Linker Options:
-lmass        - link mathematical acceleration subsystem library

-bnso         - Statically bind executables
-bI:/lib/syscalls.exp

-lhmu         - link fast malloc libraries
-lhm
-lhu

/usr/ccs/lib/bmalloc.o: A high performance implementation of the Berkley malloc
		package.


KAP Preprocessor Options:
-Pk -Wp       - turns on the Kap pre-processor
    -ag=a     - pads common blocks and memory local to the subroutine to avoid
	        cache line collisions.
    -ag=b     - kapf can adjust the leading dimensions of arrays in COMMON away
		from a power of 2 if the arrays are not used as actual
		arguments to any user procedure calls.  
    -r=2      - sets roundoff level to 2
    -ur2=xxx  - sets a maximum weight (estimate of work) for each unrolled
		iteration. (Work is estimated by counting operands and
		operators in a loop.)
    -inl      - inline
    -ur=xxx   - maximum number of iterations of a loop to unroll
    -lm=5     - Limit amount of loop nesting.
    -fuse     - The fuse command line option enables loop fusion, a
		conventional compiler optimization that transforms two adjacent
		loops into a single loop.
    -f        - Leave pre-processed source file around


Vast Preprocessor Options:
-Pv -Wp       - turns on the Vast Pre-processor
    -me       - informs the preprocessor to enable alignment, inter-array
		padding and array redimensioning.
    -o        - Leave pre-processed source file around
    -ew       - is the same as -ea478
    -ea2478   - 
	      (-ea  allows alassociative trnsformations.)
	      (-e2  specifies that no data dependencies exist in loop 
	            containing pointer-based variables.)
	      (-e4 generates calls to optimized BLAS library routines.)
	      (-e7 automatically expands called routines inline.)
	      (-e8 searches input file first for expandable routines.)


fdpr is a utility to optimize existing binaries.
For fdpr (Feedback Directed Program Restructuring):
-R2	      - Specifies the level of optimization
-R3

---
Christopher Chan-Nui    | I intend to live forever -
channui@austin.ibm.com  | so far, so good
#include <disclaimer.h> |