P

-P, B.2.57 -P

-p, 4.3.30 -p

padding of structures, E.1.9.2 (6.5.2.1) The padding and alignment of members of structures.

page size, setting for stack or heap, B.2.133 -xpagesize=n

PARALLEL, 3.2.2 Environment Variables

environment variable, 2.15.1 PARALLEL

parallelization, Parallelizing C Code

checking for properly parallelized loops with -xvpara, B.2.165 -xvpara

creating a program database with -Zll, B.2.171 -Zll

environment variables for

3.2.2 Environment Variables

3.2.2 Environment Variables

finding parallelized loops with -xloopinfo, B.2.116 -xloopinfo

See also OpenMP

specifying OpenMP pragmas with -xopenmp, B.2.131 -xopenmp[=i]

turning on reduction recognition with -xreduction, B.2.147 -xreduction

turning on with -xautopar for multiple processors, B.2.80 -xautopar

pass, name and version of each, B.2.67 -V

PEC: Portable Executable Code, B.2.138 -xpec[={yes|no}]

Pentium, B.2.155.2 -xtarget Values on x86 Platforms

performance

optimizing for SPARC, Performance Tuning

optimizing with -fast, B.2.17 -fast

optimizing with-xO, B.2.130 -xO[1|2|3|4|5]

portability checks performed by lint

4.6.1.2 Portability Checks

4.6.1.2 Portability Checks

portability, of code

4.6.1.2 Portability Checks

4.6.1.2 Portability Checks

POSIX threads, B.2.52 -mt[={yes|no}]

postopt (C compiler), 1.8 Organization of the Compiler

_Pragma, D.1.17 _Pragma

pragmas

2.11 Pragmas

5.2 Using Pragmas for Finer Control

#pragma alias, 5.2.1.1 #pragma alias (type, type [, type]…)

#pragma alias_level, 5.2.1 #pragma alias_level level (list)

#pragma align, 2.11.1 align

#pragma c99, 2.11.2 c99

#pragma does_not_read_global_data, 2.11.3 does_not_read_global_data

#pragma does_not_return, 2.11.4 does_not_return

#pragma does_not_write_global_data, 2.11.5 does_not_write_global_data

#pragma dumpmacros, 2.11.6 dumpmacros

#pragma end_dumpmacros, 2.11.7 end_dumpmacros

#pragma error_messages, 2.11.8 error_messages

#pragma fini, 2.11.9 fini

#pragma hdrstop, 2.11.10 hdrstop

#pragma ident, 2.11.11 ident

#pragma init, 2.11.12 init

#pragma inline, 2.11.13 inline

#pragma int_to_unsigned, 2.11.14 int_to_unsigned

#pragma may_not_point_to, 5.2.1.6 #pragma may_not_point_to (pointer, variable [, variable]…)

#pragma may_point_to, 5.2.1.3 #pragma may_point_to (pointer, variable [, variable]…)

#pragma must_have_frame, 2.11.15 must_have_frame

#pragma noalias

5.2.1.4 #pragma noalias (type, type [, type]…)

5.2.1.5 #pragma noalias (pointer, pointer [, pointer]…)

#pragma no_inline, 2.11.13 inline

#pragma nomemorydepend, 2.11.16 nomemorydepend

#pragma no_side_effect

2.11.17 no_side_effect

2.11.18 opt

#pragma opt, 2.11.18 opt

#pragma pack, 2.11.19 pack

#pragma pipeloop, 2.11.20 pipeloop

#pragma rarely_called, 2.11.21 rarely_called

#pragma redefine_extname, 2.11.22 redefine_extname

#pragma returns_new_memory, 2.11.23 returns_new_memory

#pragma unknown_control_flow, 2.11.24 unknown_control_flow

#pragma unroll, 2.11.25 unroll

#pragma warn_missing_parameter_info, 2.11.26 warn_missing_parameter_info

#pragma weak, 2.11.27 weak

preassertions for -Aname, B.2.3 -Aname[(tokens)]

precompiled-header file, B.2.136 -xpch=v

prefetch, B.2.141 -xprefetch[=val[,val]]

preprocessing

6.5 Tokenization and Preprocessing

6.5.6 Token Pasting

directives

2.12 Predefined Names

2.16 How to Specify Include Files

2.16 How to Specify Include Files

B.2.7 -Dname[(arg[,arg])][=expansion]

E.1.13 Preprocessing Directives (G.3.13)

how to preserve comments, B.2.5 -C

predefined names

2.12 Predefined Names

2.12 Predefined Names

stringizing, 6.5.5 Using Strings

token pasting, 6.5.6 Token Pasting

preserving signedness of chars, B.2.87 -xchar[=o]

printf function, C.1.12 Library Functions (J.3.12)

printing

2.6.1 Printing long long Data Types

E.1.15.4 (5.2.2) The direction of printing:

profiling, -xprofile, B.2.144 –xprofile=p

programming tools for C, 1.9 C-Related Programming Tools

promotion

6.4 Promotions: Unsigned Versus Value Preserving

6.4.6 Example: Integral Constants

bit-fields, 6.4.3 Example: The Use of a Cast

default arguments, 6.2.3 Mixing Considerations

integral constants, 6.4.5 Integral Constants

unsigned versus value preserving, 6.4.1 Some Background History