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  3. GCC 4
  4. Statements

4.12 Statements

  • The maximum number of case values in a switch statement (C90 6.6.4.2).

    GCC is only limited by available memory.

© Free Software Foundation
Licensed under the GNU Free Documentation License, Version 1.3.
https://gcc.gnu.org/onlinedocs/gcc-4.9.3/gcc/Statements-implementation.html

7. Extensions to the C++ Language
#pragma interface and implementation
8. GNU Objective-C features
+load: Executing code before main
@encode
Constant string objects
Dynamically registering methods
Exceptions
Fast enumeration
Fast enumeration details
Fast enumeration protocol
Forwarding hook
GNU Objective-C features
GNU Objective-C runtime API
Garbage Collection
Legacy type encoding
Messaging with the GNU Objective-C runtime
Method signatures
Modern GNU Objective-C runtime API
Synchronization
Traditional GNU Objective-C runtime API
Type encoding
Using fast enumeration
What you can and what you cannot do in +load
c99-like fast enumeration syntax
compatibility_alias
6. Extensions to the C Language Family
128-bit integers
ARC Built-in Functions
ARC SIMD Built-in Functions
ARM ACLE Intrinsics
ARM NEON Intrinsics
ARM Pragmas
ARM iWMMXt Built-in Functions
AVR Built-in Functions
Additional Floating Types
Alpha Built-in Functions
Altera Nios II Built-in Functions
Alternate Keywords
An Inline Function is As Fast As a Macro
Argument Types
Arithmetic on void- and Function-Pointers
Arrays of Length Zero
Arrays of Variable Length
Assembler Instructions with C Expression Operands
Attribute Syntax
Binary constants using the ‘0b’ prefix
Blackfin Built-in Functions
Built-in Functions Specific to Particular Target Machines
Built-in functions for memory model aware atomic operations
C++ Style Comments
Case Ranges
Cast to a Union Type
Cilk Plus C/C++ language extension Built-in Functions.
Complex Numbers
Compound Literals
Conditionals with Omitted Operands
Constraint Modifier Characters
Constraints for Particular Machines
Constraints for asm Operands
Constructing Function Calls
Controlling Names Used in Assembler Code
Darwin Format Checks
Darwin Pragmas
Decimal Floating Types
Declaring Attributes of Functions
Defining Global Register Variables
Designated Initializers
Diagnostic Pragmas
Directly-mapped Integer Functions
Directly-mapped Media Functions
Dollar Signs in Identifier Names
Double-Word Integers
Extensions to the C Language Family
FR-V Built-in Functions
Fixed-Point Types
Format Checks Specific to Particular Target Machines
Function Names as Strings
Function Specific Option Pragmas
Getting the Return or Frame Address of a Function
Half-Precision Floating Point
Hex Floats
ISO/IEC 14882:1998 Edits for Thread-Local Storage
ISO/IEC 9899:1999 Edits for Thread-Local Storage
Incomplete enum Types
Inquiring on Alignment of Types or Variables
Labels as Values
Legacy __sync Built-in Functions for Atomic Memory Access
Locally Declared Labels
Loop-Specific Pragmas
M32C Pragmas
MIPS DSP Built-in Functions
MIPS Loongson Built-in Functions
MIPS Paired-Single Support
MIPS-3D Built-in Functions
MSP430 Built-in Functions
Macros with a Variable Number of Arguments.
MeP Pragmas
Mixed Declarations and Code
Multiple Alternative Constraints
NDS32 Built-in Functions
Named Address Spaces
Nested Functions
Non-Constant Initializers
Non-Lvalue Arrays May Have Subscripts
Object Size Checking Built-in Functions
Offsetof
Other Built-in Functions
Other Built-in Functions Provided by GCC
Other MIPS Built-in Functions
Paired-Single Arithmetic
Paired-Single Built-in Functions
PowerPC AltiVec Built-in Functions
PowerPC Built-in Functions
PowerPC Hardware Transactional Memory Built-in Functions
Pragmas Accepted by GCC
Prototypes and Old-Style Function Definitions
Push/Pop Macro Pragmas
RS/6000 and PowerPC Pragmas
RX Built-in Functions
Raw read/write Functions
Referring to a Type with typeof
S/390 System z Built-in Functions
SH Built-in Functions
SPARC VIS Built-in Functions
SPU Built-in Functions
Simple Constraints
Slightly Looser Rules for Escaped Newlines
Solaris Format Checks
Solaris Pragmas
Specifying Attributes of Types
Specifying Attributes of Variables
Specifying Registers for Local Variables
Statements and Declarations in Expressions
Structure-Packing Pragmas
Structures With No Members
Symbol-Renaming Pragmas
TI C6X Built-in Functions
TILE-Gx Built-in Functions
TILEPro Built-in Functions
The Character in Constants
Thread-Local Storage
Unnamed struct/union fields within structs/unions
Using Vector Instructions through Built-in Functions
Variables in Specified Registers
Visibility Pragmas
Weak Pragmas
When is a Volatile Object Accessed?
X86 Built-in Functions
X86 transaction memory intrinsics
picoChip Built-in Functions
x86 specific memory model extensions for transactional memory
3. GCC Command Options
AArch64 Options
ARC Options
ARM Options
AVR Options
Adapteva Epiphany Options
Blackfin Options
C6X Options
CR16 Options
CRIS Options
Compiling C++ Programs
DEC Alpha Options
Darwin Options
Environment Variables Affecting GCC
FR30 Options
FRV Options
GCC Command Options
GNU/Linux Options
H8/300 Options
HPPA Options
Hardware Models and Configurations
IA-64 Options
IBM RS/6000 and PowerPC Options
Intel 386 and AMD x86-64 Options
LM32 Options
M32C Options
M32R/D Options
M680x0 Options
MCore Options
MIPS Options
MMIX Options
MN10300 Options
MSP430 Options
MeP Options
MicroBlaze Options
Moxie Options
NDS32 Options
Nios II Options
Option Summary
Options Controlling C Dialect
Options Controlling C++ Dialect
Options Controlling Objective-C and Objective-C++ Dialects
Options Controlling the Kind of Output
Options Controlling the Preprocessor
Options That Control Optimization
Options for Code Generation Conventions
Options for Debugging Your Program or GCC
Options for Directory Search
Options for Linking
Options for System V
Options to Control Diagnostic Messages Formatting
Options to Request or Suppress Warnings
PDP-11 Options
Passing Options to the Assembler
PowerPC Options
RL78 Options
RX Options
S/390 and zSeries Options
SH Options
SPARC Options
SPU Options
Score Options
Solaris 2 Options
Specifying Target Machine and Compiler Version
Specifying subprocesses and the switches to pass to them
TILE-Gx Options
TILEPro Options
Using Precompiled Headers
V850 Options
VAX Options
VMS Options
VxWorks Options
Xstormy16 Options
Xtensa Options
i386 and x86-64 Windows Options
picoChip Options
x86-64 Options
zSeries Options
11. Known Causes of Trouble
Actual Bugs We Haven't Fixed Yet
Certain Changes We Don't Want to Make
Common Misunderstandings with GNU C++
Declare and Define Static Members
Disappointments and Misunderstandings
Fixed Header Files
Implicit Copy-Assignment for Virtual Bases
Incompatibilities of GCC
Interoperation
Known Causes of Trouble with GCC
Name lookup, templates, and accessing members of base classes
Standard Libraries
Temporaries May Vanish Before You Expect
Warning Messages and Error Messages
4. C Implementation-defined behavior
Architecture
Arrays and pointers
C Implementation-defined behavior
Characters
Declarators
Environment
Floating point
Hints
Identifiers
Integers
Library functions
Locale-specific behavior
Preprocessing directives
Qualifiers
Statements
Structures, unions, enumerations, and bit-fields
Translation
Backwards Compatibility
9. Binary Compatibility
Binary Compatibility
C++-Specific Variable, Function, and Type Attributes
Deprecated Features
Extensions to the C++ Language
Extracting the function pointer from a bound pointer to member function
Function Multiversioning
Java Exceptions
Namespace Association
Restricting Pointer Aliasing
Type Traits
Vague Linkage
When is a Volatile C++ Object Accessed?
Where's the Template?
10. gcov
Brief description of gcov data files
Data file relocation to support cross-profiling
Introduction to gcov
Invoking gcov
Using gcov with GCC Optimization
gcov
5. C++ Implementation-defined behavior
C++ Implementation-defined behavior
Conditionally-supported behavior
Exception handling
2. Language Standards Supported by GCC
Language Standards Supported by GCC
1. Programming Languages Supported by GCC
Using the GNU Compiler Collection (GCC)
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