| Index Entry | Section |
|
| N | | |
| `n' in constraint | 5.36.1 Simple Constraints |
| name augmentation | 14.3 Other VMS Issues |
| names used in assembler code | 5.37 Controlling Names Used in Assembler Code |
| naming convention, implementation headers | 6.5 Declarations and Definitions in One Header |
| negative forms of options | 3. GNU Fortran Command Options |
| nested functions | 5.4 Nested Functions |
| newlines (escaped) | 5.15 Slightly Looser Rules for Escaped Newlines |
| no_instrument_function function attribute | 5.25 Declaring Attributes of Functions |
| nocommon attribute | 5.32 Specifying Attributes of Variables |
| noinline function attribute | 5.25 Declaring Attributes of Functions |
| non-constant initializers | 5.19 Non-Constant Initializers |
| non-static inline function | 5.34 An Inline Function is As Fast As a Macro |
| noreturn function attribute | 5.25 Declaring Attributes of Functions |
|
| O | | |
| `o' in constraint | 5.36.1 Simple Constraints |
| Objective-C | 1. Compile C, C++, Objective-C, Ada, Fortran, or Java |
| offsettable address | 5.36.1 Simple Constraints |
| old-style function definitions | 5.27 Prototypes and Old-Style Function Definitions |
| omitted middle-operands | 5.8 Conditionals with Omitted Operands |
| one-trip DO loops | 3.4 Options Controlling Fortran Dialect |
| open coding | 5.34 An Inline Function is As Fast As a Macro |
| operand constraints, asm | 5.36 Constraints for asm Operands |
| optimize options | 3.7 Options That Control Optimization |
| options, -falias-check | 3.10 Options for Code Generation Conventions |
| options, -fargument-alias | 3.10 Options for Code Generation Conventions |
| options, -fargument-noalias | 3.10 Options for Code Generation Conventions |
| options, -fbadu77-intrinsics-delete | 3.4 Options Controlling Fortran Dialect |
| options, -fbadu77-intrinsics-disable | 3.4 Options Controlling Fortran Dialect |
| options, -fbadu77-intrinsics-enable | 3.4 Options Controlling Fortran Dialect |
| options, -fbadu77-intrinsics-hide | 3.4 Options Controlling Fortran Dialect |
| options, -fcaller-saves | 3.7 Options That Control Optimization |
| options, -fcase-initcap | 3.4 Options Controlling Fortran Dialect |
| options, -fcase-lower | 3.4 Options Controlling Fortran Dialect |
| options, -fcase-preserve | 3.4 Options Controlling Fortran Dialect |
| options, -fcase-strict-lower | 3.4 Options Controlling Fortran Dialect |
| options, -fcase-strict-upper | 3.4 Options Controlling Fortran Dialect |
| options, -fcase-upper | 3.4 Options Controlling Fortran Dialect |
| options, -fdelayed-branch | 3.7 Options That Control Optimization |
| options, -fdollar-ok | 3.4 Options Controlling Fortran Dialect |
| options, -femulate-complex | 3.10 Options for Code Generation Conventions |
| options, -fexpensive-optimizations | 3.7 Options That Control Optimization |
| options, -ff2c-intrinsics-delete | 3.4 Options Controlling Fortran Dialect |
| options, -ff2c-intrinsics-disable | 3.4 Options Controlling Fortran Dialect |
| options, -ff2c-intrinsics-enable | 3.4 Options Controlling Fortran Dialect |
| options, -ff2c-intrinsics-hide | 3.4 Options Controlling Fortran Dialect |
| options, -ff2c-library | 3.10 Options for Code Generation Conventions |
| options, -ff66 | 3.3 Shorthand Options |
| options, -ff77 | 3.3 Shorthand Options |
| options, -ff90 | 3.4 Options Controlling Fortran Dialect |
| options, -ff90-intrinsics-delete | 3.4 Options Controlling Fortran Dialect |
| options, -ff90-intrinsics-disable | 3.4 Options Controlling Fortran Dialect |
| options, -ff90-intrinsics-enable | 3.4 Options Controlling Fortran Dialect |
| options, -ff90-intrinsics-hide | 3.4 Options Controlling Fortran Dialect |
| options, -ffast-math | 3.7 Options That Control Optimization |
| options, -ffixed-line-length-n | 3.4 Options Controlling Fortran Dialect |
| options, -ffloat-store | 3.7 Options That Control Optimization |
| options, -fforce-addr | 3.7 Options That Control Optimization |
| options, -fforce-mem | 3.7 Options That Control Optimization |
| options, -ffree-form | 3.4 Options Controlling Fortran Dialect |
| options, -fgnu-intrinsics-delete | 3.4 Options Controlling Fortran Dialect |
| options, -fgnu-intrinsics-disable | 3.4 Options Controlling Fortran Dialect |
| options, -fgnu-intrinsics-enable | 3.4 Options Controlling Fortran Dialect |
| options, -fgnu-intrinsics-hide | 3.4 Options Controlling Fortran Dialect |
| options, -finit-local-zero | 3.10 Options for Code Generation Conventions |
| options, -fintrin-case-any | 3.4 Options Controlling Fortran Dialect |
| options, -fintrin-case-initcap | 3.4 Options Controlling Fortran Dialect |
| options, -fintrin-case-lower | 3.4 Options Controlling Fortran Dialect |
| options, -fintrin-case-upper | 3.4 Options Controlling Fortran Dialect |
| options, -fmatch-case-any | 3.4 Options Controlling Fortran Dialect |
| options, -fmatch-case-initcap | 3.4 Options Controlling Fortran Dialect |
| options, -fmatch-case-lower | 3.4 Options Controlling Fortran Dialect |
| options, -fmatch-case-upper | 3.4 Options Controlling Fortran Dialect |
| options, -fmil-intrinsics-delete | 3.4 Options Controlling Fortran Dialect |
| options, -fmil-intrinsics-disable | 3.4 Options Controlling Fortran Dialect |
| options, -fmil-intrinsics-enable | 3.4 Options Controlling Fortran Dialect |
| options, -fmil-intrinsics-hide | 3.4 Options Controlling Fortran Dialect |
| options, -fno-argument-noalias-global | 3.10 Options for Code Generation Conventions |
| options, -fno-automatic | 3.10 Options for Code Generation Conventions |
| options, -fno-backslash | 3.4 Options Controlling Fortran Dialect |
| options, -fno-common | 3.10 Options for Code Generation Conventions |
| options, -fno-f2c | 3.10 Options for Code Generation Conventions |
| options, -fno-f77 | 3.3 Shorthand Options |
| options, -fno-fixed-form | 3.4 Options Controlling Fortran Dialect |
| options, -fno-globals | 3.10 Options for Code Generation Conventions |
| options, -fno-ident | 3.10 Options for Code Generation Conventions |
| options, -fno-inline | 3.7 Options That Control Optimization |
| options, -fno-move-all-movables | 3.7 Options That Control Optimization |
| options, -fno-reduce-all-givs | 3.7 Options That Control Optimization |
| options, -fno-rerun-loop-opt | 3.7 Options That Control Optimization |
| options, -fno-second-underscore | 3.10 Options for Code Generation Conventions |
| options, -fno-silent | 3.2 Options Controlling the Kind of Output |
| options, -fno-trapping-math | 3.7 Options That Control Optimization |
| options, -fno-ugly | 3.3 Shorthand Options |
| options, -fno-ugly-args | 3.4 Options Controlling Fortran Dialect |
| options, -fno-ugly-init | 3.4 Options Controlling Fortran Dialect |
| options, -fno-underscoring | 3.10 Options for Code Generation Conventions |
| options, -fonetrip | 3.4 Options Controlling Fortran Dialect |
| options, -fpack-struct | 3.10 Options for Code Generation Conventions |
| options, -fpcc-struct-return | 3.10 Options for Code Generation Conventions |
| options, -fpedantic | 3.5 Options to Request or Suppress Warnings |
| options, -freg-struct-return | 3.10 Options for Code Generation Conventions |
| options, -frerun-cse-after-loop | 3.7 Options That Control Optimization |
| options, -fschedule-insns | 3.7 Options That Control Optimization |
| options, -fschedule-insns2 | 3.7 Options That Control Optimization |
| options, -fset-g77-defaults | 3.2 Options Controlling the Kind of Output |
| options, -fshort-double | 3.10 Options for Code Generation Conventions |
| options, -fsource-case-lower | 3.4 Options Controlling Fortran Dialect |
| options, -fsource-case-preserve | 3.4 Options Controlling Fortran Dialect |
| options, -fsource-case-upper | 3.4 Options Controlling Fortran Dialect |
| options, -fstrength-reduce | 3.7 Options That Control Optimization |
| options, -fsymbol-case-any | 3.4 Options Controlling Fortran Dialect |
| options, -fsymbol-case-initcap | 3.4 Options Controlling Fortran Dialect |
| options, -fsymbol-case-lower | 3.4 Options Controlling Fortran Dialect |
| options, -fsymbol-case-upper | 3.4 Options Controlling Fortran Dialect |
| options, -fsyntax-only | 3.5 Options to Request or Suppress Warnings |
| options, -ftypeless-boz | 3.4 Options Controlling Fortran Dialect |
| options, -fugly | 3.3 Shorthand Options |
| options, -fugly-assign | 3.4 Options Controlling Fortran Dialect |
| options, -fugly-assumed | 3.4 Options Controlling Fortran Dialect |
| options, -fugly-comma | 3.4 Options Controlling Fortran Dialect |
| options, -fugly-complex | 3.4 Options Controlling Fortran Dialect |
| options, -fugly-logint | 3.4 Options Controlling Fortran Dialect |
| options, -funix-intrinsics-delete | 3.4 Options Controlling Fortran Dialect |
| options, -funix-intrinsics-disable | 3.4 Options Controlling Fortran Dialect |
| options, -funix-intrinsics-enable | 3.4 Options Controlling Fortran Dialect |
| options, -funix-intrinsics-hide | 3.4 Options Controlling Fortran Dialect |
| options, -funroll-all-loops | 3.7 Options That Control Optimization |
| options, -funroll-loops | 3.7 Options That Control Optimization |
| options, -funsafe-math-optimizations | 3.7 Options That Control Optimization |
| options, -fversion | 3.2 Options Controlling the Kind of Output |
| options, -fvxt | 3.4 Options Controlling Fortran Dialect |
| options, -fvxt-intrinsics-delete | 3.4 Options Controlling Fortran Dialect |
| options, -fvxt-intrinsics-disable | 3.4 Options Controlling Fortran Dialect |
| options, -fvxt-intrinsics-enable | 3.4 Options Controlling Fortran Dialect |
| options, -fvxt-intrinsics-hide | 3.4 Options Controlling Fortran Dialect |
| options, -fzeros | 3.10 Options for Code Generation Conventions |
| options, -g | 3.6 Options for Debugging Your Program or GNU Fortran |
| options, -I- | 3.9 Options for Directory Search |
| options, -Idir | 3.9 Options for Directory Search |
| options, -malign-double | 3.7 Options That Control Optimization |
| options, -pedantic | 3.5 Options to Request or Suppress Warnings |
| options, -pedantic-errors | 3.5 Options to Request or Suppress Warnings |
| options, -w | 3.5 Options to Request or Suppress Warnings |
| options, -W | 3.5 Options to Request or Suppress Warnings |
| options, -Waggregate-return | 3.5 Options to Request or Suppress Warnings |
| options, -Wall | 3.5 Options to Request or Suppress Warnings |
| options, -Wcomment | 3.5 Options to Request or Suppress Warnings |
| options, -Wconversion | 3.5 Options to Request or Suppress Warnings |
| options, -Werror | 3.5 Options to Request or Suppress Warnings |
| options, -Wformat | 3.5 Options to Request or Suppress Warnings |
| options, -Wid-clash-len | 3.5 Options to Request or Suppress Warnings |
| options, -Wimplicit | 3.5 Options to Request or Suppress Warnings |
| options, -Wlarger-than-len | 3.5 Options to Request or Suppress Warnings |
| options, -Wno-globals | 3.5 Options to Request or Suppress Warnings |
| options, -Wparentheses | 3.5 Options to Request or Suppress Warnings |
| options, -Wredundant-decls | 3.5 Options to Request or Suppress Warnings |
| options, -Wshadow | 3.5 Options to Request or Suppress Warnings |
| options, -Wsurprising | 3.5 Options to Request or Suppress Warnings |
| options, -Wswitch | 3.5 Options to Request or Suppress Warnings |
| options, -Wtraditional | 3.5 Options to Request or Suppress Warnings |
| options, -Wuninitialized | 3.5 Options to Request or Suppress Warnings |
| options, -Wunused | 3.5 Options to Request or Suppress Warnings |
| options, code generation | 3.10 Options for Code Generation Conventions |
| options, debugging | 3.6 Options for Debugging Your Program or GNU Fortran |
| options, dialect | 3.4 Options Controlling Fortran Dialect |
| options, directory search | 3.9 Options for Directory Search |
| options, GNU Fortran command | 3. GNU Fortran Command Options |
| options, macro | 3.3 Shorthand Options |
| options, negative forms | 3. GNU Fortran Command Options |
| options, optimization | 3.7 Options That Control Optimization |
| options, overall | 3.2 Options Controlling the Kind of Output |
| options, preprocessor | 3.8 Options Controlling the Preprocessor |
| options, shorthand | 3.3 Shorthand Options |
| options, warnings | 3.5 Options to Request or Suppress Warnings |
| order of evaluation, side effects | 10.11 Certain Changes We Don't Want to Make |
| other register constraints | 5.36.1 Simple Constraints |
| overall options | 3.2 Options Controlling the Kind of Output |
| overflow | 3.5 Options to Request or Suppress Warnings |
|