–fprecision={single|double|extended} - Oracle® Solaris Studio 12.4: Fortran User's Guide

Oracle® Solaris Studio 12.4: Fortran User's Guide

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Updated: March 2015

Oracle^® Solaris Studio 12.4: Fortran User's Guide

Document Information

Using This Documentation

Chapter 1 Introduction

Chapter 2 Using Solaris Studio Fortran

Chapter 3 Fortran Compiler Options

3.1 Command Syntax

3.2 Options Syntax

3.3 Options Summary

3.4 Options Reference

3.4.1 –aligncommon[={1|2|4|8|16}]

3.4.3 –arg=local

3.4.4 –autopar

3.4.5 –B{static|dynamic}

3.4.8 –copyargs

3.4.9 –Dname[=def]

3.4.10 –dalign

3.4.11 –dbl_align_all[={yes|no}]

3.4.12 –depend[={yes|no}]

3.4.13 –dryrun

3.4.14 –d{y|n}

3.4.16 –erroff[={%all|%none|taglist}]

3.4.17 –errtags[={yes|no}]

3.4.18 –errwarn[={%all|%none|taglist}]

3.4.19 –ext_names=e

3.4.22 –f77[=list]

3.4.24 –fixed

3.4.25 –flags

3.4.26 –fma[={none|fused}]

3.4.27 –fnonstd

3.4.28 –fns[={yes|no}]

3.4.29 -fopenmp

3.4.30 –fpover[={yes|no}]

3.4.32 –fprecision={single|double|extended}

3.4.34 –fround={nearest|tozero|negative|positive}

3.4.35 –fserialio

3.4.36 –fsimple[={1|2|0}]

3.4.37 –fstore

3.4.38 –ftrap=t

3.4.42 –hname

3.4.44 –Ipath

3.4.46 –inline=[%auto][[,][no%]f1,…[no%]fn]

3.4.47 –iorounding[={compatible|processor-defined}]

3.4.48 –keepmod[={yes|no}]

3.4.49 –keeptmp

3.4.52 –Lpath

3.4.54 –libmil

3.4.55 -library=sunperf

3.4.56 –loopinfo

3.4.57 –Mpath

3.4.58 –m32 | –m64

3.4.59 –moddir=path

3.4.60 -mt[={yes|no}]

3.4.61 –native

3.4.62 –noautopar

3.4.63 –nodepend

3.4.64 -nofstore

3.4.65 –nolib

3.4.66 –nolibmil

3.4.67 –noreduction

3.4.68 –norunpath

3.4.70 –o filename

3.4.71 –onetrip

3.4.72 –openmp

3.4.74 –pad[=p]

3.4.78 –preserve_argvalues[=simple|none|complete]

3.4.79 –Qoption pr ls

3.4.82 –r8const

3.4.83 –recl=a[,b]

3.4.84 –reduction

3.4.87 –silent

3.4.88 –stackvar

3.4.89 –stop_status[={yes|no}]

3.4.90 –temp=dir

3.4.92 –traceback[={%none|common|signals_list}]

3.4.94 –Uname

3.4.96 –unroll=n

3.4.97 –use=list

3.4.100 –vax=keywords

3.4.101 –vpara

3.4.102 -Wc,arg

3.4.103 –w[n]

3.4.104 -Xlinker arg

3.4.105 –Xlist[x]

3.4.106 –xaddr32[={yes|no}]

3.4.107 –xalias[=keywords]

3.4.108 –xannotate[={yes|no}]

3.4.109 –xarch=isa

3.4.110 –xassume_control[=keywords]

3.4.111 –xautopar

3.4.112 –xbinopt={prepare | off}

3.4.113 –xcache=c

3.4.114 –xcheck[=keyword[,keyword]]

3.4.115 –xchip=c

3.4.116 -xcode[=v]

3.4.117 –xcommonchk[={yes|no}]

3.4.118 –xdebugformat={dwarf|stabs}

3.4.119 -xdebuginfo=a[,a...]

3.4.120 –xdepend

3.4.122 –xfilebyteorder=options

3.4.123 -xglobalize[={yes|no}]

3.4.124 –xhasc[={yes|no}]

3.4.125 –xhelp=flags

3.4.126 –xhwcprof[={enable | disable}]

3.4.127 –xia[={widestneed|strict}]

3.4.128 –xinline=list

3.4.129 xinline_param=a[,a[,a]...]

3.4.130 xinline_report[=n]

3.4.131 –xinstrument=[%no]datarace

3.4.132 –xinterval[={widestneed|strict|no}]

3.4.133 –xipo[={0|1|2}]

3.4.134 –xipo_archive[={none|readonly|writeback}]

3.4.135 -xipo_build=[yes|no]

3.4.136 –xivdep[=p]

3.4.137 -xjobs{=n|auto}

3.4.138 -xkeep_unref[={[no%]funcs,[no%]vars}]

3.4.139 –xkeepframe[=[%all,%none,name,no%name]]

3.4.140 –xknown_lib=library_list

3.4.142 –xlang=f77

3.4.144 –xlibmil

3.4.145 –xlibmopt

3.4.146 –xlic_lib=sunperf

3.4.147 –xlinkopt[={1|2|0}]

3.4.148 –xloopinfo

3.4.150 –xmaxopt[=n]

3.4.151 –xmemalign[=<a><b>]

3.4.152 –xmodel=[small | kernel | medium]

3.4.153 –xnolib

3.4.154 –xnolibmil

3.4.155 –xnolibmopt

3.4.157 –xopenmp[={parallel|noopt|none}]

3.4.158 –xpad

3.4.159 –xpagesize=size

3.4.160 –xpagesize_heap=size

3.4.161 –xpagesize_stack=size

3.4.162 -xpatchpadding[={fix|patch|size}]

3.4.163 –xpec[={yes|no}]

3.4.165 –xpp={fpp|cpp}

3.4.166 –xprefetch[=a[,a]]

3.4.167 –xprefetch_auto_type=indirect_array_access

3.4.168 –xprefetch_level={1|2|3}

3.4.169 –xprofile=p

3.4.170 –xprofile_ircache[=path]

3.4.171 –xprofile_pathmap=collect_prefix:use_prefix

3.4.172 –xrecursive

3.4.173 –xreduction

3.4.174 –xregs=r

3.4.175 -xs[={yes|no}]

3.4.176 –xsafe=mem

3.4.177 -xsegment_align=n

3.4.178 –xspace

3.4.179 –xtarget=t

3.4.180 -xtemp=path

3.4.181 -xthroughput[={yes|no}]

3.4.182 –xtime

3.4.183 –xtypemap=spec

3.4.184 -xunboundsym={yes|no}

3.4.185 –xunroll=n

3.4.186 -xvector[=a]

3.4.187 –ztext

Chapter 4 Solaris Studio Fortran Features and Extensions

Chapter 5 FORTRAN 77 Compatibility: Migrating to Solaris Studio Fortran

Appendix A Runtime Error Messages

Appendix B Features Release History

Appendix C Fortran Directives Summary

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3.4.32 `–fprecision=`{`single`|`double`|`extended`}

(x86) Initialize non-default floating-point rounding precision mode.

Sets the floating-point precision mode to either single, double, or extended on x86 platforms.

With a value of single or double, this flag causes the rounding precision mode to be set to single or double precision respectively at program initiation. With extended, or by default when the -fprecision flag is not specified, the rounding precision mode is initialized to extended precision.

This option is effective only on x86 systems and only if used when compiling the main program, but is ignored if compiling for 64–bit (-m64) or SSE2–enabled (-xarch=sse2) processors. It is also ignored on SPARC systems.

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