| Index Entry | | Section |
|
# | | |
| #pragma : | | Pragmas |
| #pragma implementation : | | C++ Interface |
| #pragma implementation , implied: | | C++ Interface |
| #pragma interface : | | C++ Interface |
|
$ | | |
| $: | | Dollar Signs |
|
% | | |
| ‘%’ in constraint: | | Modifiers |
| %include : | | Spec Files |
| %include_noerr : | | Spec Files |
| %rename : | | Spec Files |
|
& | | |
| ‘&’ in constraint: | | Modifiers |
|
' | | |
| ' : | | Incompatibilities |
|
* | | |
| *__builtin_alloca : | | Other Builtins |
| *__builtin_alloca_with_align : | | Other Builtins |
| *__builtin_alloca_with_align_and_max : | | Other Builtins |
|
+ | | |
| ‘+’ in constraint: | | Modifiers |
|
- | | |
| -lgcc, use with -nodefaultlibs: | | Link Options |
| -lgcc, use with -nostdlib: | | Link Options |
| -march feature modifiers: | | AArch64 Options |
| -mcpu feature modifiers: | | AArch64 Options |
| -nodefaultlibs and unresolved references: | | Link Options |
| -nostdlib and unresolved references: | | Link Options |
|
. | | |
| .sdata/.sdata2 references (PowerPC): | | RS/6000 and PowerPC Options |
|
/ | | |
| // : | | C++ Comments |
|
0 | | |
| ‘0’ in constraint: | | Simple Constraints |
|
< | | |
| ‘<’ in constraint: | | Simple Constraints |
|
= | | |
| ‘=’ in constraint: | | Modifiers |
|
> | | |
| ‘>’ in constraint: | | Simple Constraints |
|
? | | |
| ?: extensions: | | Conditionals |
| ?: side effect: | | Conditionals |
|
_ | | |
| ‘_’ in variables in macros: | | Typeof |
| _Accum data type: | | Fixed-Point |
| _Complex keyword: | | Complex |
| _Decimal128 data type: | | Decimal Float |
| _Decimal32 data type: | | Decimal Float |
| _Decimal64 data type: | | Decimal Float |
| _Exit : | | Other Builtins |
| _exit : | | Other Builtins |
| _Floatn data types: | | Floating Types |
| _Floatnx data types: | | Floating Types |
| _Fract data type: | | Fixed-Point |
| _get_ssp : | | x86 control-flow protection intrinsics |
| _HTM_FIRST_USER_ABORT_CODE : | | S/390 System z Built-in Functions |
| _inc_ssp : | | x86 control-flow protection intrinsics |
| _Sat data type: | | Fixed-Point |
| _xabort : | | x86 transactional memory intrinsics |
| _xbegin : | | x86 transactional memory intrinsics |
| _xend : | | x86 transactional memory intrinsics |
| _xtest : | | x86 transactional memory intrinsics |
| __atomic_add_fetch : | | __atomic Builtins |
| __atomic_always_lock_free : | | __atomic Builtins |
| __atomic_and_fetch : | | __atomic Builtins |
| __atomic_clear : | | __atomic Builtins |
| __atomic_compare_exchange : | | __atomic Builtins |
| __atomic_compare_exchange_n : | | __atomic Builtins |
| __atomic_exchange : | | __atomic Builtins |
| __atomic_exchange_n : | | __atomic Builtins |
| __atomic_fetch_add : | | __atomic Builtins |
| __atomic_fetch_and : | | __atomic Builtins |
| __atomic_fetch_nand : | | __atomic Builtins |
| __atomic_fetch_or : | | __atomic Builtins |
| __atomic_fetch_sub : | | __atomic Builtins |
| __atomic_fetch_xor : | | __atomic Builtins |
| __atomic_is_lock_free : | | __atomic Builtins |
| __atomic_load : | | __atomic Builtins |
| __atomic_load_n : | | __atomic Builtins |
| __atomic_nand_fetch : | | __atomic Builtins |
| __atomic_or_fetch : | | __atomic Builtins |
| __atomic_signal_fence : | | __atomic Builtins |
| __atomic_store : | | __atomic Builtins |
| __atomic_store_n : | | __atomic Builtins |
| __atomic_sub_fetch : | | __atomic Builtins |
| __atomic_test_and_set : | | __atomic Builtins |
| __atomic_thread_fence : | | __atomic Builtins |
| __atomic_xor_fetch : | | __atomic Builtins |
| __builtin_addf128_round_to_odd : | | Basic PowerPC Built-in Functions Available on ISA 3.0 |
| __builtin_add_overflow : | | Integer Overflow Builtins |
| __builtin_add_overflow_p : | | Integer Overflow Builtins |
| __builtin_alloca : | | Other Builtins |
| __builtin_alloca_with_align : | | Other Builtins |
| __builtin_alloca_with_align_and_max : | | Other Builtins |
| __builtin_apply : | | Constructing Calls |
| __builtin_apply_args : | | Constructing Calls |
| __builtin_arc_aligned : | | ARC Built-in Functions |
| __builtin_arc_brk : | | ARC Built-in Functions |
| __builtin_arc_core_read : | | ARC Built-in Functions |
| __builtin_arc_core_write : | | ARC Built-in Functions |
| __builtin_arc_divaw : | | ARC Built-in Functions |
| __builtin_arc_flag : | | ARC Built-in Functions |
| __builtin_arc_lr : | | ARC Built-in Functions |
| __builtin_arc_mul64 : | | ARC Built-in Functions |
| __builtin_arc_mulu64 : | | ARC Built-in Functions |
| __builtin_arc_nop : | | ARC Built-in Functions |
| __builtin_arc_norm : | | ARC Built-in Functions |
| __builtin_arc_normw : | | ARC Built-in Functions |
| __builtin_arc_rtie : | | ARC Built-in Functions |
| __builtin_arc_sleep : | | ARC Built-in Functions |
| __builtin_arc_sr : | | ARC Built-in Functions |
| __builtin_arc_swap : | | ARC Built-in Functions |
| __builtin_arc_swi : | | ARC Built-in Functions |
| __builtin_arc_sync : | | ARC Built-in Functions |
| __builtin_arc_trap_s : | | ARC Built-in Functions |
| __builtin_arc_unimp_s : | | ARC Built-in Functions |
| __builtin_assume_aligned : | | Other Builtins |
| __builtin_bit_cast : | | Other Builtins |
| __builtin_bswap128 : | | Other Builtins |
| __builtin_bswap16 : | | Other Builtins |
| __builtin_bswap32 : | | Other Builtins |
| __builtin_bswap64 : | | Other Builtins |
| __builtin_call_with_static_chain : | | Other Builtins |
| __builtin_call_with_static_chain : | | Other Builtins |
| __builtin_cfuged : | | Basic PowerPC Built-in Functions Available on ISA 3.1 |
| __builtin_choose_expr : | | Other Builtins |
| __builtin_clear_padding : | | Other Builtins |
| __builtin_clrsb : | | Other Builtins |
| __builtin_clrsbl : | | Other Builtins |
| __builtin_clrsbll : | | Other Builtins |
| __builtin_clz : | | Other Builtins |
| __builtin_clzl : | | Other Builtins |
| __builtin_clzll : | | Other Builtins |
| __builtin_cntlzdm : | | Basic PowerPC Built-in Functions Available on ISA 3.1 |
| __builtin_cnttzdm : | | Basic PowerPC Built-in Functions Available on ISA 3.1 |
| __builtin_complex : | | Other Builtins |
| __builtin_constant_p : | | Other Builtins |
| __builtin_convertvector : | | Vector Extensions |
| __builtin_cpu_init : | | Basic PowerPC Built-in Functions Available on all Configurations |
| __builtin_cpu_init : | | x86 Built-in Functions |
| __builtin_cpu_is : | | Basic PowerPC Built-in Functions Available on all Configurations |
| __builtin_cpu_is : | | x86 Built-in Functions |
| __builtin_cpu_supports : | | Basic PowerPC Built-in Functions Available on all Configurations |
| __builtin_cpu_supports : | | x86 Built-in Functions |
| __builtin_ctz : | | Other Builtins |
| __builtin_ctzl : | | Other Builtins |
| __builtin_ctzll : | | Other Builtins |
| __builtin_divf128_round_to_odd : | | Basic PowerPC Built-in Functions Available on ISA 3.0 |
| __builtin_expect : | | Other Builtins |
| __builtin_expect_with_probability : | | Other Builtins |
| __builtin_extend_pointer : | | Other Builtins |
| __builtin_extend_pointer : | | Other Builtins |
| __builtin_extract_return_addr : | | Return Address |
| __builtin_ffs : | | Other Builtins |
| __builtin_ffsl : | | Other Builtins |
| __builtin_ffsll : | | Other Builtins |
| __builtin_FILE : | | Other Builtins |
| __builtin_fmaf128_round_to_odd : | | Basic PowerPC Built-in Functions Available on ISA 3.0 |
| __builtin_fpclassify : | | Other Builtins |
| __builtin_fpclassify : | | Other Builtins |
| __builtin_frame_address : | | Return Address |
| __builtin_frob_return_addr : | | Return Address |
| __builtin_FUNCTION : | | Other Builtins |
| __builtin_goacc_parlevel_id : | | Other Builtins |
| __builtin_goacc_parlevel_size : | | Other Builtins |
| __builtin_has_attribute : | | Other Builtins |
| __builtin_has_attribute : | | Other Builtins |
| __builtin_huge_val : | | Other Builtins |
| __builtin_huge_valf : | | Other Builtins |
| __builtin_huge_valfn : | | Other Builtins |
| __builtin_huge_valfnx : | | Other Builtins |
| __builtin_huge_vall : | | Other Builtins |
| __builtin_huge_valq : | | x86 Built-in Functions |
| __builtin_inf : | | Other Builtins |
| __builtin_infd128 : | | Other Builtins |
| __builtin_infd32 : | | Other Builtins |
| __builtin_infd64 : | | Other Builtins |
| __builtin_inff : | | Other Builtins |
| __builtin_inffn : | | Other Builtins |
| __builtin_inffnx : | | Other Builtins |
| __builtin_infl : | | Other Builtins |
| __builtin_infq : | | x86 Built-in Functions |
| __builtin_isfinite : | | Other Builtins |
| __builtin_isgreater : | | Other Builtins |
| __builtin_isgreaterequal : | | Other Builtins |
| __builtin_isinf_sign : | | Other Builtins |
| __builtin_isinf_sign : | | Other Builtins |
| __builtin_isless : | | Other Builtins |
| __builtin_islessequal : | | Other Builtins |
| __builtin_islessgreater : | | Other Builtins |
| __builtin_isnormal : | | Other Builtins |
| __builtin_isunordered : | | Other Builtins |
| __builtin_is_constant_evaluated : | | Other Builtins |
| __builtin_LINE : | | Other Builtins |
| __builtin_longjmp : | | Nonlocal Gotos |
| __builtin_mulf128_round_to_odd : | | Basic PowerPC Built-in Functions Available on ISA 3.0 |
| __builtin_mul_overflow : | | Integer Overflow Builtins |
| __builtin_mul_overflow_p : | | Integer Overflow Builtins |
| __builtin_nan : | | Other Builtins |
| __builtin_nand128 : | | Other Builtins |
| __builtin_nand32 : | | Other Builtins |
| __builtin_nand64 : | | Other Builtins |
| __builtin_nanf : | | Other Builtins |
| __builtin_nanfn : | | Other Builtins |
| __builtin_nanfnx : | | Other Builtins |
| __builtin_nanl : | | Other Builtins |
| __builtin_nanq : | | x86 Built-in Functions |
| __builtin_nans : | | Other Builtins |
| __builtin_nansd128 : | | Other Builtins |
| __builtin_nansd32 : | | Other Builtins |
| __builtin_nansd64 : | | Other Builtins |
| __builtin_nansf : | | Other Builtins |
| __builtin_nansfn : | | Other Builtins |
| __builtin_nansfnx : | | Other Builtins |
| __builtin_nansl : | | Other Builtins |
| __builtin_nansq : | | x86 Built-in Functions |
| __builtin_nds32_isb : | | NDS32 Built-in Functions |
| __builtin_nds32_isync : | | NDS32 Built-in Functions |
| __builtin_nds32_mfsr : | | NDS32 Built-in Functions |
| __builtin_nds32_mfusr : | | NDS32 Built-in Functions |
| __builtin_nds32_mtsr : | | NDS32 Built-in Functions |
| __builtin_nds32_mtusr : | | NDS32 Built-in Functions |
| __builtin_nds32_setgie_dis : | | NDS32 Built-in Functions |
| __builtin_nds32_setgie_en : | | NDS32 Built-in Functions |
| __builtin_non_tx_store : | | S/390 System z Built-in Functions |
| __builtin_object_size : | | Object Size Checking |
| __builtin_object_size : | | Object Size Checking |
| __builtin_object_size : | | Other Builtins |
| __builtin_object_size : | | Other Builtins |
| __builtin_offsetof : | | Offsetof |
| __builtin_parity : | | Other Builtins |
| __builtin_parityl : | | Other Builtins |
| __builtin_parityll : | | Other Builtins |
| __builtin_pdepd : | | Basic PowerPC Built-in Functions Available on ISA 3.1 |
| __builtin_pextd : | | Basic PowerPC Built-in Functions Available on ISA 3.1 |
| __builtin_popcount : | | Other Builtins |
| __builtin_popcountl : | | Other Builtins |
| __builtin_popcountll : | | Other Builtins |
| __builtin_powi : | | Other Builtins |
| __builtin_powi : | | Other Builtins |
| __builtin_powif : | | Other Builtins |
| __builtin_powif : | | Other Builtins |
| __builtin_powil : | | Other Builtins |
| __builtin_powil : | | Other Builtins |
| __builtin_prefetch : | | Other Builtins |
| __builtin_return : | | Constructing Calls |
| __builtin_return_address : | | Return Address |
| __builtin_rx_brk : | | RX Built-in Functions |
| __builtin_rx_clrpsw : | | RX Built-in Functions |
| __builtin_rx_int : | | RX Built-in Functions |
| __builtin_rx_machi : | | RX Built-in Functions |
| __builtin_rx_maclo : | | RX Built-in Functions |
| __builtin_rx_mulhi : | | RX Built-in Functions |
| __builtin_rx_mullo : | | RX Built-in Functions |
| __builtin_rx_mvfachi : | | RX Built-in Functions |
| __builtin_rx_mvfacmi : | | RX Built-in Functions |
| __builtin_rx_mvfc : | | RX Built-in Functions |
| __builtin_rx_mvtachi : | | RX Built-in Functions |
| __builtin_rx_mvtaclo : | | RX Built-in Functions |
| __builtin_rx_mvtc : | | RX Built-in Functions |
| __builtin_rx_mvtipl : | | RX Built-in Functions |
| __builtin_rx_racw : | | RX Built-in Functions |
| __builtin_rx_revw : | | RX Built-in Functions |
| __builtin_rx_rmpa : | | RX Built-in Functions |
| __builtin_rx_round : | | RX Built-in Functions |
| __builtin_rx_sat : | | RX Built-in Functions |
| __builtin_rx_setpsw : | | RX Built-in Functions |
| __builtin_rx_wait : | | RX Built-in Functions |
| __builtin_saddll_overflow : | | Integer Overflow Builtins |
| __builtin_saddl_overflow : | | Integer Overflow Builtins |
| __builtin_sadd_overflow : | | Integer Overflow Builtins |
| __builtin_setjmp : | | Nonlocal Gotos |
| __builtin_set_thread_pointer : | | SH Built-in Functions |
| __builtin_shuffle : | | Vector Extensions |
| __builtin_sh_get_fpscr : | | SH Built-in Functions |
| __builtin_sh_set_fpscr : | | SH Built-in Functions |
| __builtin_smulll_overflow : | | Integer Overflow Builtins |
| __builtin_smull_overflow : | | Integer Overflow Builtins |
| __builtin_smul_overflow : | | Integer Overflow Builtins |
| __builtin_speculation_safe_value : | | Other Builtins |
| __builtin_speculation_safe_value : | | Other Builtins |
| __builtin_sqrtf128_round_to_odd : | | Basic PowerPC Built-in Functions Available on ISA 3.0 |
| __builtin_ssubll_overflow : | | Integer Overflow Builtins |
| __builtin_ssubl_overflow : | | Integer Overflow Builtins |
| __builtin_ssub_overflow : | | Integer Overflow Builtins |
| __builtin_subf128_round_to_odd : | | Basic PowerPC Built-in Functions Available on ISA 3.0 |
| __builtin_sub_overflow : | | Integer Overflow Builtins |
| __builtin_sub_overflow_p : | | Integer Overflow Builtins |
| __builtin_tabort : | | S/390 System z Built-in Functions |
| __builtin_tbegin : | | S/390 System z Built-in Functions |
| __builtin_tbeginc : | | S/390 System z Built-in Functions |
| __builtin_tbegin_nofloat : | | S/390 System z Built-in Functions |
| __builtin_tbegin_retry : | | S/390 System z Built-in Functions |
| __builtin_tbegin_retry_nofloat : | | S/390 System z Built-in Functions |
| __builtin_tend : | | S/390 System z Built-in Functions |
| __builtin_tgmath : | | Other Builtins |
| __builtin_thread_pointer : | | RISC-V Built-in Functions |
| __builtin_thread_pointer : | | SH Built-in Functions |
| __builtin_trap : | | Other Builtins |
| __builtin_truncf128_round_to_odd : | | Basic PowerPC Built-in Functions Available on ISA 3.0 |
| __builtin_tx_assist : | | S/390 System z Built-in Functions |
| __builtin_tx_nesting_depth : | | S/390 System z Built-in Functions |
| __builtin_types_compatible_p : | | Other Builtins |
| __builtin_uaddll_overflow : | | Integer Overflow Builtins |
| __builtin_uaddl_overflow : | | Integer Overflow Builtins |
| __builtin_uadd_overflow : | | Integer Overflow Builtins |
| __builtin_umulll_overflow : | | Integer Overflow Builtins |
| __builtin_umull_overflow : | | Integer Overflow Builtins |
| __builtin_umul_overflow : | | Integer Overflow Builtins |
| __builtin_unreachable : | | Other Builtins |
| __builtin_usubll_overflow : | | Integer Overflow Builtins |
| __builtin_usubl_overflow : | | Integer Overflow Builtins |
| __builtin_usub_overflow : | | Integer Overflow Builtins |
| __builtin_va_arg_pack : | | Constructing Calls |
| __builtin_va_arg_pack_len : | | Constructing Calls |
| __builtin___clear_cache : | | Other Builtins |
| __builtin___fprintf_chk : | | Object Size Checking |
| __builtin___memcpy_chk : | | Object Size Checking |
| __builtin___memmove_chk : | | Object Size Checking |
| __builtin___mempcpy_chk : | | Object Size Checking |
| __builtin___memset_chk : | | Object Size Checking |
| __builtin___printf_chk : | | Object Size Checking |
| __builtin___snprintf_chk : | | Object Size Checking |
| __builtin___sprintf_chk : | | Object Size Checking |
| __builtin___stpcpy_chk : | | Object Size Checking |
| __builtin___strcat_chk : | | Object Size Checking |
| __builtin___strcpy_chk : | | Object Size Checking |
| __builtin___strncat_chk : | | Object Size Checking |
| __builtin___strncpy_chk : | | Object Size Checking |
| __builtin___vfprintf_chk : | | Object Size Checking |
| __builtin___vprintf_chk : | | Object Size Checking |
| __builtin___vsnprintf_chk : | | Object Size Checking |
| __builtin___vsprintf_chk : | | Object Size Checking |
| __complex__ keyword: | | Complex |
| __declspec(dllexport) : | | Microsoft Windows Function Attributes |
| __declspec(dllimport) : | | Microsoft Windows Function Attributes |
| __extension__ : | | Alternate Keywords |
| __far M32C Named Address Spaces: | | Named Address Spaces |
| __far RL78 Named Address Spaces: | | Named Address Spaces |
| __flash AVR Named Address Spaces: | | Named Address Spaces |
| __flash1 AVR Named Address Spaces: | | Named Address Spaces |
| __flash2 AVR Named Address Spaces: | | Named Address Spaces |
| __flash3 AVR Named Address Spaces: | | Named Address Spaces |
| __flash4 AVR Named Address Spaces: | | Named Address Spaces |
| __flash5 AVR Named Address Spaces: | | Named Address Spaces |
| __float128 data type: | | Floating Types |
| __float80 data type: | | Floating Types |
| __fp16 data type: | | Half-Precision |
| __FUNCTION__ identifier: | | Function Names |
| __func__ identifier: | | Function Names |
| __ibm128 data type: | | Floating Types |
| __imag__ keyword: | | Complex |
| __int128 data types: | | __int128 |
| __memx AVR Named Address Spaces: | | Named Address Spaces |
| __PRETTY_FUNCTION__ identifier: | | Function Names |
| __real__ keyword: | | Complex |
| __seg_fs x86 named address space: | | Named Address Spaces |
| __seg_gs x86 named address space: | | Named Address Spaces |
| __STDC_HOSTED__ : | | Standards |
| __sync_add_and_fetch : | | __sync Builtins |
| __sync_and_and_fetch : | | __sync Builtins |
| __sync_bool_compare_and_swap : | | __sync Builtins |
| __sync_fetch_and_add : | | __sync Builtins |
| __sync_fetch_and_and : | | __sync Builtins |
| __sync_fetch_and_nand : | | __sync Builtins |
| __sync_fetch_and_or : | | __sync Builtins |
| __sync_fetch_and_sub : | | __sync Builtins |
| __sync_fetch_and_xor : | | __sync Builtins |
| __sync_lock_release : | | __sync Builtins |
| __sync_lock_test_and_set : | | __sync Builtins |
| __sync_nand_and_fetch : | | __sync Builtins |
| __sync_or_and_fetch : | | __sync Builtins |
| __sync_sub_and_fetch : | | __sync Builtins |
| __sync_synchronize : | | __sync Builtins |
| __sync_val_compare_and_swap : | | __sync Builtins |
| __sync_xor_and_fetch : | | __sync Builtins |
| __thread : | | Thread-Local |
|
A | | |
| AArch64 Options: | | AArch64 Options |
| ABI: | | Compatibility |
| abi_tag function attribute: | | C++ Attributes |
| abi_tag type attribute: | | C++ Attributes |
| abi_tag variable attribute: | | C++ Attributes |
| abort : | | Other Builtins |
| abs : | | Other Builtins |
| absdata variable attribute, AVR: | | AVR Variable Attributes |
| accessing volatiles: | | Volatiles |
| accessing volatiles: | | C++ Volatiles |
| acos : | | Other Builtins |
| acosf : | | Other Builtins |
| acosh : | | Other Builtins |
| acoshf : | | Other Builtins |
| acoshl : | | Other Builtins |
| acosl : | | Other Builtins |
| Ada: | | G++ and GCC |
| Ada: | | G++ and GCC |
| additional floating types: | | Floating Types |
| address constraints: | | Simple Constraints |
| address of a label: | | Labels as Values |
| address variable attribute, AVR: | | AVR Variable Attributes |
| address_operand : | | Simple Constraints |
| alias function attribute: | | Common Function Attributes |
| alias variable attribute: | | Common Variable Attributes |
| aligned function attribute: | | Common Function Attributes |
| aligned type attribute: | | Common Type Attributes |
| aligned variable attribute: | | Common Variable Attributes |
| alignment: | | Alignment |
| alloca : | | Other Builtins |
| alloca vs variable-length arrays: | | Variable Length |
| alloc_align function attribute: | | Common Function Attributes |
| alloc_size function attribute: | | Common Function Attributes |
| alloc_size type attribute: | | Common Type Attributes |
| alloc_size variable attribute: | | Common Variable Attributes |
| Allow nesting in an interrupt handler on the Blackfin processor: | | Blackfin Function Attributes |
| Altera Nios II options: | | Nios II Options |
| alternate keywords: | | Alternate Keywords |
| altivec type attribute, PowerPC: | | PowerPC Type Attributes |
| altivec variable attribute, PowerPC: | | PowerPC Variable Attributes |
| always_inline function attribute: | | Common Function Attributes |
| AMD GCN Options: | | AMD GCN Options |
| AMD1: | | Standards |
| amdgpu_hsa_kernel function attribute, AMD GCN: | | AMD GCN Function Attributes |
| ANSI C: | | Standards |
| ANSI C standard: | | Standards |
| ANSI C89: | | Standards |
| ANSI support: | | C Dialect Options |
| ANSI X3.159-1989: | | Standards |
| apostrophes: | | Incompatibilities |
| application binary interface: | | Compatibility |
| ARC options: | | ARC Options |
| arch= function attribute, AArch64: | | AArch64 Function Attributes |
| arch= function attribute, ARM: | | ARM Function Attributes |
| ARM options: | | ARM Options |
| ARM [Annotated C++ Reference Manual]: | | Backwards Compatibility |
| arrays of length zero: | | Zero Length |
| arrays of variable length: | | Variable Length |
| arrays, non-lvalue: | | Subscripting |
| artificial function attribute: | | Common Function Attributes |
| asin : | | Other Builtins |
| asinf : | | Other Builtins |
| asinh : | | Other Builtins |
| asinhf : | | Other Builtins |
| asinhl : | | Other Builtins |
| asinl : | | Other Builtins |
| asm assembler template: | | Extended Asm |
| asm clobbers: | | Extended Asm |
| asm constraints: | | Constraints |
| asm expressions: | | Extended Asm |
| asm flag output operands: | | Extended Asm |
| asm goto labels: | | Extended Asm |
| asm inline : | | Size of an asm |
| asm input operands: | | Extended Asm |
| asm keyword: | | Using Assembly Language with C |
| asm output operands: | | Extended Asm |
| asm scratch registers: | | Extended Asm |
| asm volatile: | | Extended Asm |
| assembler names for identifiers: | | Asm Labels |
| assembly code, invalid: | | Bug Criteria |
| assembly language in C: | | Using Assembly Language with C |
| assembly language in C, basic: | | Basic Asm |
| assembly language in C, extended: | | Extended Asm |
| assume_aligned function attribute: | | Common Function Attributes |
| atan : | | Other Builtins |
| atan2 : | | Other Builtins |
| atan2f : | | Other Builtins |
| atan2l : | | Other Builtins |
| atanf : | | Other Builtins |
| atanh : | | Other Builtins |
| atanhf : | | Other Builtins |
| atanhl : | | Other Builtins |
| atanl : | | Other Builtins |
| attribute of types: | | Type Attributes |
| attribute of variables: | | Variable Attributes |
| attribute syntax: | | Attribute Syntax |
| autoincrement/decrement addressing: | | Simple Constraints |
| automatic inline for C++ member fns: | | Inline |
| aux variable attribute, ARC: | | ARC Variable Attributes |
| AVR Options: | | AVR Options |
|
B | | |
| Backwards Compatibility: | | Backwards Compatibility |
| bank_switch function attribute, M32C: | | M32C Function Attributes |
| base class members: | | Name lookup |
| based type attribute, MeP: | | MeP Type Attributes |
| based variable attribute, MeP: | | MeP Variable Attributes |
| basic asm : | | Basic Asm |
| bcmp : | | Other Builtins |
| below100 variable attribute, Xstormy16: | | Xstormy16 Variable Attributes |
| binary compatibility: | | Compatibility |
| Binary constants using the ‘0b’ prefix: | | Binary constants |
| Blackfin Options: | | Blackfin Options |
| bound pointer to member function: | | Bound member functions |
| branch-protection function attribute, AArch64: | | AArch64 Function Attributes |
| break handler functions: | | MicroBlaze Function Attributes |
| break_handler function attribute, MicroBlaze: | | MicroBlaze Function Attributes |
| brk_interrupt function attribute, RL78: | | RL78 Function Attributes |
| bug criteria: | | Bug Criteria |
| bugs: | | Bugs |
| bugs, known: | | Trouble |
| built-in functions: | | C Dialect Options |
| built-in functions: | | Other Builtins |
| bzero : | | Other Builtins |
|
C | | |
| C compilation options: | | Invoking GCC |
| C intermediate output, nonexistent: | | G++ and GCC |
| C language extensions: | | C Extensions |
| C language, traditional: | | Preprocessor Options |
| C standard: | | Standards |
| C standards: | | Standards |
| c++ : | | Invoking G++ |
| C++: | | G++ and GCC |
| C++ comments: | | C++ Comments |
| C++ Compiled Module Interface: | | C++ Compiled Module Interface |
| C++ interface and implementation headers: | | C++ Interface |
| C++ language extensions: | | C++ Extensions |
| C++ member fns, automatically inline : | | Inline |
| C++ misunderstandings: | | C++ Misunderstandings |
| C++ Module Mapper: | | C++ Module Mapper |
| C++ Module Preprocessing: | | C++ Module Preprocessing |
| C++ options, command-line: | | C++ Dialect Options |
| C++ pragmas, effect on inlining: | | C++ Interface |
| C++ source file suffixes: | | Invoking G++ |
| C++ static data, declaring and defining: | | Static Definitions |
| C-SKY Options: | | C-SKY Options |
| C11: | | Standards |
| C17: | | Standards |
| C1X: | | Standards |
| C2X: | | Standards |
| C6X Options: | | C6X Options |
| C89: | | Standards |
| C90: | | Standards |
| C94: | | Standards |
| C95: | | Standards |
| C99: | | Standards |
| C9X: | | Standards |
| cabs : | | Other Builtins |
| cabsf : | | Other Builtins |
| cabsl : | | Other Builtins |
| cacos : | | Other Builtins |
| cacosf : | | Other Builtins |
| cacosh : | | Other Builtins |
| cacoshf : | | Other Builtins |
| cacoshl : | | Other Builtins |
| cacosl : | | Other Builtins |
| callee_pop_aggregate_return function attribute, x86: | | x86 Function Attributes |
| calling functions through the function vector on SH2A: | | SH Function Attributes |
| calloc : | | Other Builtins |
| carg : | | Other Builtins |
| cargf : | | Other Builtins |
| cargl : | | Other Builtins |
| case labels in initializers: | | Designated Inits |
| case ranges: | | Case Ranges |
| casin : | | Other Builtins |
| casinf : | | Other Builtins |
| casinh : | | Other Builtins |
| casinhf : | | Other Builtins |
| casinhl : | | Other Builtins |
| casinl : | | Other Builtins |
| cast to a union: | | Cast to Union |
| catan : | | Other Builtins |
| catanf : | | Other Builtins |
| catanh : | | Other Builtins |
| catanhf : | | Other Builtins |
| catanhl : | | Other Builtins |
| catanl : | | Other Builtins |
| cb variable attribute, MeP: | | MeP Variable Attributes |
| cbrt : | | Other Builtins |
| cbrtf : | | Other Builtins |
| cbrtl : | | Other Builtins |
| ccos : | | Other Builtins |
| ccosf : | | Other Builtins |
| ccosh : | | Other Builtins |
| ccoshf : | | Other Builtins |
| ccoshl : | | Other Builtins |
| ccosl : | | Other Builtins |
| cdecl function attribute, x86-32: | | x86 Function Attributes |
| ceil : | | Other Builtins |
| ceilf : | | Other Builtins |
| ceill : | | Other Builtins |
| cexp : | | Other Builtins |
| cexpf : | | Other Builtins |
| cexpl : | | Other Builtins |
| cf_check function attribute, x86: | | x86 Function Attributes |
| character set, execution: | | Preprocessor Options |
| character set, input: | | Preprocessor Options |
| character set, input normalization: | | Warning Options |
| character set, wide execution: | | Preprocessor Options |
| cimag : | | Other Builtins |
| cimagf : | | Other Builtins |
| cimagl : | | Other Builtins |
| cleanup variable attribute: | | Common Variable Attributes |
| clog : | | Other Builtins |
| clog10 : | | Other Builtins |
| clog10f : | | Other Builtins |
| clog10l : | | Other Builtins |
| clogf : | | Other Builtins |
| clogl : | | Other Builtins |
| cmodel= function attribute, AArch64: | | AArch64 Function Attributes |
| COBOL: | | G++ and GCC |
| code generation conventions: | | Code Gen Options |
| code, mixed with declarations: | | Mixed Labels and Declarations |
| cold function attribute: | | Common Function Attributes |
| cold label attribute: | | Label Attributes |
| command options: | | Invoking GCC |
| comments, C++ style: | | C++ Comments |
| common variable attribute: | | Common Variable Attributes |
| comparison of signed and unsigned values, warning: | | Warning Options |
| compilation statistics: | | Developer Options |
| compiler bugs, reporting: | | Bug Reporting |
| compiler compared to C++ preprocessor: | | G++ and GCC |
| compiler options, C++: | | C++ Dialect Options |
| compiler options, Objective-C and Objective-C++: | | Objective-C and Objective-C++ Dialect Options |
| compiler version, specifying: | | Invoking GCC |
| COMPILER_PATH : | | Environment Variables |
| complex conjugation: | | Complex |
| complex numbers: | | Complex |
| compound literals: | | Compound Literals |
| computed gotos: | | Labels as Values |
| conditional expressions, extensions: | | Conditionals |
| conflicting types: | | Disappointments |
| conj : | | Other Builtins |
| conjf : | | Other Builtins |
| conjl : | | Other Builtins |
| const applied to function: | | Function Attributes |
| const function attribute: | | Common Function Attributes |
| const qualifier: | | Pointers to Arrays |
| constants in constraints: | | Simple Constraints |
| constraint modifier characters: | | Modifiers |
| constraint, matching: | | Simple Constraints |
| constraints, asm : | | Constraints |
| constraints, machine specific: | | Machine Constraints |
| constructing calls: | | Constructing Calls |
| constructor expressions: | | Compound Literals |
| constructor function attribute: | | Common Function Attributes |
| contributors: | | Contributors |
| copy function attribute: | | Common Function Attributes |
| copy type attribute: | | Common Type Attributes |
| copy variable attribute: | | Common Variable Attributes |
| copysign : | | Other Builtins |
| copysignf : | | Other Builtins |
| copysignl : | | Other Builtins |
| core dump: | | Bug Criteria |
| cos : | | Other Builtins |
| cosf : | | Other Builtins |
| cosh : | | Other Builtins |
| coshf : | | Other Builtins |
| coshl : | | Other Builtins |
| cosl : | | Other Builtins |
| CPATH : | | Environment Variables |
| CPLUS_INCLUDE_PATH : | | Environment Variables |
| cpow : | | Other Builtins |
| cpowf : | | Other Builtins |
| cpowl : | | Other Builtins |
| cproj : | | Other Builtins |
| cprojf : | | Other Builtins |
| cprojl : | | Other Builtins |
| cpu= function attribute, AArch64: | | AArch64 Function Attributes |
| CR16 Options: | | CR16 Options |
| creal : | | Other Builtins |
| crealf : | | Other Builtins |
| creall : | | Other Builtins |
| CRIS Options: | | CRIS Options |
| critical function attribute, MSP430: | | MSP430 Function Attributes |
| cross compiling: | | Invoking GCC |
| csin : | | Other Builtins |
| csinf : | | Other Builtins |
| csinh : | | Other Builtins |
| csinhf : | | Other Builtins |
| csinhl : | | Other Builtins |
| csinl : | | Other Builtins |
| csqrt : | | Other Builtins |
| csqrtf : | | Other Builtins |
| csqrtl : | | Other Builtins |
| ctan : | | Other Builtins |
| ctanf : | | Other Builtins |
| ctanh : | | Other Builtins |
| ctanhf : | | Other Builtins |
| ctanhl : | | Other Builtins |
| ctanl : | | Other Builtins |
| CXX_MODULE_MAPPER environment variable : | | C++ Dialect Options |
| C_INCLUDE_PATH : | | Environment Variables |
|
D | | |
| D: | | G++ and GCC |
| Darwin options: | | Darwin Options |
| dcgettext : | | Other Builtins |
| dd integer suffix: | | Decimal Float |
| DD integer suffix: | | Decimal Float |
| deallocating variable length arrays: | | Variable Length |
| debug dump options: | | Developer Options |
| debugging GCC: | | Developer Options |
| debugging information options: | | Debugging Options |
| decimal floating types: | | Decimal Float |
| declaration scope: | | Incompatibilities |
| declarations inside expressions: | | Statement Exprs |
| declarations, mixed with code: | | Mixed Labels and Declarations |
| declaring attributes of functions: | | Function Attributes |
| declaring static data in C++: | | Static Definitions |
| defining static data in C++: | | Static Definitions |
| dependencies for make as output: | | Environment Variables |
| dependencies for make as output: | | Environment Variables |
| dependencies, make : | | Preprocessor Options |
| DEPENDENCIES_OUTPUT : | | Environment Variables |
| dependent name lookup: | | Name lookup |
| deprecated enumerator attribute: | | Enumerator Attributes |
| deprecated function attribute: | | Common Function Attributes |
| deprecated type attribute: | | Common Type Attributes |
| deprecated variable attribute: | | Common Variable Attributes |
| designated initializers: | | Designated Inits |
| designated_init type attribute: | | Common Type Attributes |
| designator lists: | | Designated Inits |
| designators: | | Designated Inits |
| destructor function attribute: | | Common Function Attributes |
| developer options: | | Developer Options |
| df integer suffix: | | Decimal Float |
| DF integer suffix: | | Decimal Float |
| dgettext : | | Other Builtins |
| diagnostic messages: | | Diagnostic Message Formatting Options |
| dialect options: | | C Dialect Options |
| diff-delete GCC_COLORS capability : | | Diagnostic Message Formatting Options |
| diff-filename GCC_COLORS capability : | | Diagnostic Message Formatting Options |
| diff-hunk GCC_COLORS capability : | | Diagnostic Message Formatting Options |
| diff-insert GCC_COLORS capability : | | Diagnostic Message Formatting Options |
| digits in constraint: | | Simple Constraints |
| directory options: | | Directory Options |
| disinterrupt function attribute, Epiphany: | | Epiphany Function Attributes |
| disinterrupt function attribute, MeP: | | MeP Function Attributes |
| dl integer suffix: | | Decimal Float |
| DL integer suffix: | | Decimal Float |
| dllexport function attribute: | | Microsoft Windows Function Attributes |
| dllexport variable attribute: | | Microsoft Windows Variable Attributes |
| dllimport function attribute: | | Microsoft Windows Function Attributes |
| dllimport variable attribute: | | Microsoft Windows Variable Attributes |
| dollar signs in identifier names: | | Dollar Signs |
| double-word arithmetic: | | Long Long |
| downward funargs: | | Nested Functions |
| drem : | | Other Builtins |
| dremf : | | Other Builtins |
| dreml : | | Other Builtins |
| dump options: | | Developer Options |
|
E | | |
| ‘E’ in constraint: | | Simple Constraints |
| earlyclobber operand: | | Modifiers |
| eBPF Options: | | eBPF Options |
| eight-bit data on the H8/300, H8/300H, and H8S: | | H8/300 Variable Attributes |
| eightbit_data variable attribute, H8/300: | | H8/300 Variable Attributes |
| EIND : | | AVR Options |
| either function attribute, MSP430: | | MSP430 Function Attributes |
| either variable attribute, MSP430: | | MSP430 Variable Attributes |
| empty structures: | | Empty Structures |
| Enumerator Attributes: | | Enumerator Attributes |
| environment variables: | | Environment Variables |
| erf : | | Other Builtins |
| erfc : | | Other Builtins |
| erfcf : | | Other Builtins |
| erfcl : | | Other Builtins |
| erff : | | Other Builtins |
| erfl : | | Other Builtins |
| error function attribute: | | Common Function Attributes |
| error GCC_COLORS capability : | | Diagnostic Message Formatting Options |
| error messages: | | Warnings and Errors |
| escaped newlines: | | Escaped Newlines |
| exception function attribute: | | NDS32 Function Attributes |
| exception handler functions, Blackfin: | | Blackfin Function Attributes |
| exception handler functions, NDS32: | | NDS32 Function Attributes |
| exception_handler function attribute: | | Blackfin Function Attributes |
| exit : | | Other Builtins |
| exp : | | Other Builtins |
| exp10 : | | Other Builtins |
| exp10f : | | Other Builtins |
| exp10l : | | Other Builtins |
| exp2 : | | Other Builtins |
| exp2f : | | Other Builtins |
| exp2l : | | Other Builtins |
| expf : | | Other Builtins |
| expl : | | Other Builtins |
| explicit register variables: | | Explicit Register Variables |
| expm1 : | | Other Builtins |
| expm1f : | | Other Builtins |
| expm1l : | | Other Builtins |
| expressions containing statements: | | Statement Exprs |
| expressions, constructor: | | Compound Literals |
| extended asm : | | Extended Asm |
| extensible constraints: | | Simple Constraints |
| extensions, ?: : | | Conditionals |
| extensions, C language: | | C Extensions |
| extensions, C++ language: | | C++ Extensions |
| external declaration scope: | | Incompatibilities |
| externally_visible function attribute: | | Common Function Attributes |
| extra NOP instructions at the function entry point: | | Common Function Attributes |
|
F | | |
| ‘F’ in constraint: | | Simple Constraints |
| fabs : | | Other Builtins |
| fabsf : | | Other Builtins |
| fabsl : | | Other Builtins |
| fallthrough statement attribute: | | Statement Attributes |
| far function attribute, MeP: | | MeP Function Attributes |
| far function attribute, MIPS: | | MIPS Function Attributes |
| far type attribute, MeP: | | MeP Type Attributes |
| far variable attribute, MeP: | | MeP Variable Attributes |
| fastcall function attribute, x86-32: | | x86 Function Attributes |
| fast_interrupt function attribute, M32C: | | M32C Function Attributes |
| fast_interrupt function attribute, MicroBlaze: | | MicroBlaze Function Attributes |
| fast_interrupt function attribute, RX: | | RX Function Attributes |
| fatal signal: | | Bug Criteria |
| fdim : | | Other Builtins |
| fdimf : | | Other Builtins |
| fdiml : | | Other Builtins |
| FDL, GNU Free Documentation License: | | GNU Free Documentation License |
| fentry_name function attribute, x86: | | x86 Function Attributes |
| fentry_section function attribute, x86: | | x86 Function Attributes |
| ffs : | | Other Builtins |
| file name suffix: | | Overall Options |
| file names: | | Link Options |
| fix-cortex-a53-835769 function attribute, AArch64: | | AArch64 Function Attributes |
| fixed-point types: | | Fixed-Point |
| fixit-delete GCC_COLORS capability : | | Diagnostic Message Formatting Options |
| fixit-insert GCC_COLORS capability : | | Diagnostic Message Formatting Options |
| flatten function attribute: | | Common Function Attributes |
| flexible array members: | | Zero Length |
| float as function value type: | | Incompatibilities |
| floating point precision: | | Disappointments |
| floating-point precision: | | Optimize Options |
| floor : | | Other Builtins |
| floorf : | | Other Builtins |
| floorl : | | Other Builtins |
| fma : | | Other Builtins |
| fmaf : | | Other Builtins |
| fmal : | | Other Builtins |
| fmax : | | Other Builtins |
| fmaxf : | | Other Builtins |
| fmaxl : | | Other Builtins |
| fmin : | | Other Builtins |
| fminf : | | Other Builtins |
| fminl : | | Other Builtins |
| fmod : | | Other Builtins |
| fmodf : | | Other Builtins |
| fmodl : | | Other Builtins |
| force_align_arg_pointer function attribute, x86: | | x86 Function Attributes |
| format function attribute: | | Common Function Attributes |
| format_arg function attribute: | | Common Function Attributes |
| Fortran: | | G++ and GCC |
| forwarder_section function attribute, Epiphany: | | Epiphany Function Attributes |
| forwarding calls: | | Constructing Calls |
| fprintf : | | Other Builtins |
| fprintf_unlocked : | | Other Builtins |
| fputs : | | Other Builtins |
| fputs_unlocked : | | Other Builtins |
| FR30 Options: | | FR30 Options |
| free : | | Other Builtins |
| freestanding environment: | | Standards |
| freestanding implementation: | | Standards |
| frexp : | | Other Builtins |
| frexpf : | | Other Builtins |
| frexpl : | | Other Builtins |
| FRV Options: | | FRV Options |
| fscanf : | | Other Builtins |
| fscanf , and constant strings: | | Incompatibilities |
| FT32 Options: | | FT32 Options |
| function addressability on the M32R/D: | | M32R/D Function Attributes |
| function attributes: | | Function Attributes |
| function pointers, arithmetic: | | Pointer Arith |
| function prototype declarations: | | Function Prototypes |
| function versions: | | Function Multiversioning |
| function, size of pointer to: | | Pointer Arith |
| functions in arbitrary sections: | | Common Function Attributes |
| functions that are dynamically resolved: | | Common Function Attributes |
| functions that are passed arguments in registers on x86-32: | | x86 Function Attributes |
| functions that behave like malloc: | | Common Function Attributes |
| functions that have no side effects: | | Common Function Attributes |
| functions that have no side effects: | | Common Function Attributes |
| functions that never return: | | Common Function Attributes |
| functions that pop the argument stack on x86-32: | | x86 Function Attributes |
| functions that pop the argument stack on x86-32: | | x86 Function Attributes |
| functions that pop the argument stack on x86-32: | | x86 Function Attributes |
| functions that pop the argument stack on x86-32: | | x86 Function Attributes |
| functions that return more than once: | | Common Function Attributes |
| functions with non-null pointer arguments: | | Common Function Attributes |
| functions with printf , scanf , strftime or strfmon style arguments: | | Common Function Attributes |
| function_return function attribute, x86: | | x86 Function Attributes |
| function_vector function attribute, H8/300: | | H8/300 Function Attributes |
| function_vector function attribute, M16C/M32C: | | M32C Function Attributes |
| function_vector function attribute, SH: | | SH Function Attributes |
|
G | | |
| ‘G’ in constraint: | | Simple Constraints |
| ‘g’ in constraint: | | Simple Constraints |
| g++ : | | Invoking G++ |
| G++: | | G++ and GCC |
| gamma : | | Other Builtins |
| gammaf : | | Other Builtins |
| gammaf_r : | | Other Builtins |
| gammal : | | Other Builtins |
| gammal_r : | | Other Builtins |
| gamma_r : | | Other Builtins |
| GCC: | | G++ and GCC |
| GCC command options: | | Invoking GCC |
| GCC_COLORS environment variable : | | Diagnostic Message Formatting Options |
| GCC_COMPARE_DEBUG : | | Environment Variables |
| GCC_EXEC_PREFIX : | | Environment Variables |
| GCC_EXTRA_DIAGNOSTIC_OUTPUT : | | Environment Variables |
| gcc_struct type attribute, PowerPC: | | PowerPC Type Attributes |
| gcc_struct type attribute, x86: | | x86 Type Attributes |
| gcc_struct variable attribute, PowerPC: | | PowerPC Variable Attributes |
| gcc_struct variable attribute, x86: | | x86 Variable Attributes |
| GCC_URLS environment variable : | | Diagnostic Message Formatting Options |
| gcov : | | Instrumentation Options |
| general-regs-only function attribute, AArch64: | | AArch64 Function Attributes |
| general-regs-only function attribute, ARM: | | ARM Function Attributes |
| gettext : | | Other Builtins |
| global offset table: | | Code Gen Options |
| global register after longjmp : | | Global Register Variables |
| global register variables: | | Global Register Variables |
| GNAT: | | G++ and GCC |
| GNU C Compiler: | | G++ and GCC |
| GNU Compiler Collection: | | G++ and GCC |
| gnu_inline function attribute: | | Common Function Attributes |
| Go: | | G++ and GCC |
| goto with computed label: | | Labels as Values |
| gprof : | | Instrumentation Options |
| grouping options: | | Invoking GCC |
|
H | | |
| ‘H’ in constraint: | | Simple Constraints |
| half-precision floating point: | | Half-Precision |
| hardware models and configurations, specifying: | | Submodel Options |
| hex floats: | | Hex Floats |
| highlight, color: | | Diagnostic Message Formatting Options |
| hk fixed-suffix: | | Fixed-Point |
| HK fixed-suffix: | | Fixed-Point |
| hosted environment: | | Standards |
| hosted environment: | | C Dialect Options |
| hosted environment: | | C Dialect Options |
| hosted implementation: | | Standards |
| hot function attribute: | | Common Function Attributes |
| hot label attribute: | | Label Attributes |
| hotpatch function attribute, S/390: | | S/390 Function Attributes |
| HPPA Options: | | HPPA Options |
| hr fixed-suffix: | | Fixed-Point |
| HR fixed-suffix: | | Fixed-Point |
| hypot : | | Other Builtins |
| hypotf : | | Other Builtins |
| hypotl : | | Other Builtins |
|
I | | |
| ‘i’ in constraint: | | Simple Constraints |
| ‘I’ in constraint: | | Simple Constraints |
| IA-64 Options: | | IA-64 Options |
| IBM RS/6000 and PowerPC Options: | | RS/6000 and PowerPC Options |
| identifier names, dollar signs in: | | Dollar Signs |
| identifiers, names in assembler code: | | Asm Labels |
| ifunc function attribute: | | Common Function Attributes |
| ilogb : | | Other Builtins |
| ilogbf : | | Other Builtins |
| ilogbl : | | Other Builtins |
| imaxabs : | | Other Builtins |
| implementation-defined behavior, C language: | | C Implementation |
| implementation-defined behavior, C++ language: | | C++ Implementation |
| implied #pragma implementation : | | C++ Interface |
| incompatibilities of GCC: | | Incompatibilities |
| increment operators: | | Bug Criteria |
| index : | | Other Builtins |
| indirect calls, ARC: | | ARC Function Attributes |
| indirect calls, ARM: | | ARM Function Attributes |
| indirect calls, Blackfin: | | Blackfin Function Attributes |
| indirect calls, Epiphany: | | Epiphany Function Attributes |
| indirect calls, MIPS: | | MIPS Function Attributes |
| indirect calls, PowerPC: | | PowerPC Function Attributes |
| indirect functions: | | Common Function Attributes |
| indirect_branch function attribute, x86: | | x86 Function Attributes |
| indirect_return function attribute, x86: | | x86 Function Attributes |
| initializations in expressions: | | Compound Literals |
| initializers with labeled elements: | | Designated Inits |
| initializers, non-constant: | | Initializers |
| init_priority variable attribute: | | C++ Attributes |
| inline assembly language: | | Using Assembly Language with C |
| inline automatic for C++ member fns: | | Inline |
| inline functions: | | Inline |
| inline functions, omission of: | | Inline |
| inlining and C++ pragmas: | | C++ Interface |
| installation trouble: | | Trouble |
| instrumentation options: | | Instrumentation Options |
| integrating function code: | | Inline |
| interface and implementation headers, C++: | | C++ Interface |
| intermediate C version, nonexistent: | | G++ and GCC |
| interrupt function attribute, ARC: | | ARC Function Attributes |
| interrupt function attribute, ARM: | | ARM Function Attributes |
| interrupt function attribute, AVR: | | AVR Function Attributes |
| interrupt function attribute, C-SKY: | | C-SKY Function Attributes |
| interrupt function attribute, CR16: | | CR16 Function Attributes |
| interrupt function attribute, Epiphany: | | Epiphany Function Attributes |
| interrupt function attribute, M32C: | | M32C Function Attributes |
| interrupt function attribute, M32R/D: | | M32R/D Function Attributes |
| interrupt function attribute, m68k: | | m68k Function Attributes |
| interrupt function attribute, MeP: | | MeP Function Attributes |
| interrupt function attribute, MIPS: | | MIPS Function Attributes |
| interrupt function attribute, MSP430: | | MSP430 Function Attributes |
| interrupt function attribute, NDS32: | | NDS32 Function Attributes |
| interrupt function attribute, RISC-V: | | RISC-V Function Attributes |
| interrupt function attribute, RL78: | | RL78 Function Attributes |
| interrupt function attribute, RX: | | RX Function Attributes |
| interrupt function attribute, V850: | | V850 Function Attributes |
| interrupt function attribute, Visium: | | Visium Function Attributes |
| interrupt function attribute, x86: | | x86 Function Attributes |
| interrupt function attribute, Xstormy16: | | Xstormy16 Function Attributes |
| interrupt_handler function attribute, Blackfin: | | Blackfin Function Attributes |
| interrupt_handler function attribute, H8/300: | | H8/300 Function Attributes |
| interrupt_handler function attribute, m68k: | | m68k Function Attributes |
| interrupt_handler function attribute, MicroBlaze: | | MicroBlaze Function Attributes |
| interrupt_handler function attribute, SH: | | SH Function Attributes |
| interrupt_handler function attribute, V850: | | V850 Function Attributes |
| interrupt_thread function attribute, fido: | | m68k Function Attributes |
| introduction: | | Top |
| invalid assembly code: | | Bug Criteria |
| invalid input: | | Bug Criteria |
| invoking g++ : | | Invoking G++ |
| io variable attribute, AVR: | | AVR Variable Attributes |
| io variable attribute, MeP: | | MeP Variable Attributes |
| io_low variable attribute, AVR: | | AVR Variable Attributes |
| isalnum : | | Other Builtins |
| isalpha : | | Other Builtins |
| isascii : | | Other Builtins |
| isblank : | | Other Builtins |
| iscntrl : | | Other Builtins |
| isdigit : | | Other Builtins |
| isgraph : | | Other Builtins |
| islower : | | Other Builtins |
| ISO 9899: | | Standards |
| ISO C: | | Standards |
| ISO C standard: | | Standards |
| ISO C11: | | Standards |
| ISO C17: | | Standards |
| ISO C1X: | | Standards |
| ISO C2X: | | Standards |
| ISO C90: | | Standards |
| ISO C94: | | Standards |
| ISO C95: | | Standards |
| ISO C99: | | Standards |
| ISO C9X: | | Standards |
| ISO support: | | C Dialect Options |
| ISO/IEC 9899: | | Standards |
| isprint : | | Other Builtins |
| ispunct : | | Other Builtins |
| isr function attribute, ARM: | | ARM Function Attributes |
| isr function attribute, C-SKY: | | C-SKY Function Attributes |
| isspace : | | Other Builtins |
| isupper : | | Other Builtins |
| iswalnum : | | Other Builtins |
| iswalpha : | | Other Builtins |
| iswblank : | | Other Builtins |
| iswcntrl : | | Other Builtins |
| iswdigit : | | Other Builtins |
| iswgraph : | | Other Builtins |
| iswlower : | | Other Builtins |
| iswprint : | | Other Builtins |
| iswpunct : | | Other Builtins |
| iswspace : | | Other Builtins |
| iswupper : | | Other Builtins |
| iswxdigit : | | Other Builtins |
| isxdigit : | | Other Builtins |
|
J | | |
| j0 : | | Other Builtins |
| j0f : | | Other Builtins |
| j0l : | | Other Builtins |
| j1 : | | Other Builtins |
| j1f : | | Other Builtins |
| j1l : | | Other Builtins |
| jli_always function attribute, ARC: | | ARC Function Attributes |
| jli_fixed function attribute, ARC: | | ARC Function Attributes |
| jn : | | Other Builtins |
| jnf : | | Other Builtins |
| jnl : | | Other Builtins |
|
K | | |
| k fixed-suffix: | | Fixed-Point |
| K fixed-suffix: | | Fixed-Point |
| keep_interrupts_masked function attribute, MIPS: | | MIPS Function Attributes |
| kernel attribute, Nvidia PTX: | | Nvidia PTX Function Attributes |
| kernel helper , function attribute, BPF: | | BPF Function Attributes |
| keywords, alternate: | | Alternate Keywords |
| known causes of trouble: | | Trouble |
| kspisusp function attribute, Blackfin: | | Blackfin Function Attributes |
|
L | | |
| l1_data variable attribute, Blackfin: | | Blackfin Variable Attributes |
| l1_data_A variable attribute, Blackfin: | | Blackfin Variable Attributes |
| l1_data_B variable attribute, Blackfin: | | Blackfin Variable Attributes |
| l1_text function attribute, Blackfin: | | Blackfin Function Attributes |
| l2 function attribute, Blackfin: | | Blackfin Function Attributes |
| l2 variable attribute, Blackfin: | | Blackfin Variable Attributes |
| Label Attributes: | | Label Attributes |
| labeled elements in initializers: | | Designated Inits |
| labels as values: | | Labels as Values |
| labs : | | Other Builtins |
| LANG : | | Environment Variables |
| LANG : | | Environment Variables |
| language dialect options: | | C Dialect Options |
| LC_ALL : | | Environment Variables |
| LC_CTYPE : | | Environment Variables |
| LC_MESSAGES : | | Environment Variables |
| ldexp : | | Other Builtins |
| ldexpf : | | Other Builtins |
| ldexpl : | | Other Builtins |
| leaf function attribute: | | Common Function Attributes |
| length-zero arrays: | | Zero Length |
| lgamma : | | Other Builtins |
| lgammaf : | | Other Builtins |
| lgammaf_r : | | Other Builtins |
| lgammal : | | Other Builtins |
| lgammal_r : | | Other Builtins |
| lgamma_r : | | Other Builtins |
| Libraries: | | Link Options |
| LIBRARY_PATH : | | Environment Variables |
| link options: | | Link Options |
| linker script: | | Link Options |
| lk fixed-suffix: | | Fixed-Point |
| LK fixed-suffix: | | Fixed-Point |
| LL integer suffix: | | Long Long |
| llabs : | | Other Builtins |
| llk fixed-suffix: | | Fixed-Point |
| LLK fixed-suffix: | | Fixed-Point |
| llr fixed-suffix: | | Fixed-Point |
| LLR fixed-suffix: | | Fixed-Point |
| llrint : | | Other Builtins |
| llrintf : | | Other Builtins |
| llrintl : | | Other Builtins |
| llround : | | Other Builtins |
| llroundf : | | Other Builtins |
| llroundl : | | Other Builtins |
| LM32 options: | | LM32 Options |
| load address instruction: | | Simple Constraints |
| local labels: | | Local Labels |
| local variables in macros: | | Typeof |
| local variables, specifying registers: | | Local Register Variables |
| locale: | | Environment Variables |
| locale definition: | | Environment Variables |
| locus GCC_COLORS capability : | | Diagnostic Message Formatting Options |
| log : | | Other Builtins |
| log10 : | | Other Builtins |
| log10f : | | Other Builtins |
| log10l : | | Other Builtins |
| log1p : | | Other Builtins |
| log1pf : | | Other Builtins |
| log1pl : | | Other Builtins |
| log2 : | | Other Builtins |
| log2f : | | Other Builtins |
| log2l : | | Other Builtins |
| logb : | | Other Builtins |
| logbf : | | Other Builtins |
| logbl : | | Other Builtins |
| logf : | | Other Builtins |
| logl : | | Other Builtins |
| long : | | BPF Built-in Functions |
| long : | | BPF Built-in Functions |
| long : | | BPF Built-in Functions |
| long long data types: | | Long Long |
| longcall function attribute, Blackfin: | | Blackfin Function Attributes |
| longcall function attribute, PowerPC: | | PowerPC Function Attributes |
| longjmp : | | Global Register Variables |
| longjmp incompatibilities: | | Incompatibilities |
| longjmp warnings: | | Warning Options |
| long_call function attribute, ARC: | | ARC Function Attributes |
| long_call function attribute, ARM: | | ARM Function Attributes |
| long_call function attribute, Epiphany: | | Epiphany Function Attributes |
| long_call function attribute, MIPS: | | MIPS Function Attributes |
| lower function attribute, MSP430: | | MSP430 Function Attributes |
| lower variable attribute, MSP430: | | MSP430 Variable Attributes |
| lr fixed-suffix: | | Fixed-Point |
| LR fixed-suffix: | | Fixed-Point |
| lrint : | | Other Builtins |
| lrintf : | | Other Builtins |
| lrintl : | | Other Builtins |
| lround : | | Other Builtins |
| lroundf : | | Other Builtins |
| lroundl : | | Other Builtins |
|
M | | |
| ‘m’ in constraint: | | Simple Constraints |
| M32C options: | | M32C Options |
| M32R/D options: | | M32R/D Options |
| M680x0 options: | | M680x0 Options |
| machine specific constraints: | | Machine Constraints |
| machine-dependent options: | | Submodel Options |
| macro with variable arguments: | | Variadic Macros |
| macros, inline alternative: | | Inline |
| macros, local labels: | | Local Labels |
| macros, local variables in: | | Typeof |
| macros, statements in expressions: | | Statement Exprs |
| macros, types of arguments: | | Typeof |
| make : | | Preprocessor Options |
| malloc : | | Other Builtins |
| malloc function attribute: | | Common Function Attributes |
| matching constraint: | | Simple Constraints |
| may_alias type attribute: | | Common Type Attributes |
| MCore options: | | MCore Options |
| medium_call function attribute, ARC: | | ARC Function Attributes |
| member fns, automatically inline : | | Inline |
| memchr : | | Other Builtins |
| memcmp : | | Other Builtins |
| memcpy : | | Other Builtins |
| memory references in constraints: | | Simple Constraints |
| mempcpy : | | Other Builtins |
| memset : | | Other Builtins |
| MeP options: | | MeP Options |
| Mercury: | | G++ and GCC |
| message formatting: | | Diagnostic Message Formatting Options |
| messages, warning: | | Warning Options |
| messages, warning and error: | | Warnings and Errors |
| MicroBlaze Options: | | MicroBlaze Options |
| micromips function attribute: | | MIPS Function Attributes |
| middle-operands, omitted: | | Conditionals |
| MIPS options: | | MIPS Options |
| mips16 function attribute, MIPS: | | MIPS Function Attributes |
| misunderstandings in C++: | | C++ Misunderstandings |
| mixed declarations and code: | | Mixed Labels and Declarations |
| mixing assembly language and C: | | Using Assembly Language with C |
| mktemp , and constant strings: | | Incompatibilities |
| MMIX Options: | | MMIX Options |
| MN10300 options: | | MN10300 Options |
| mode type attribute: | | Common Type Attributes |
| mode variable attribute: | | Common Variable Attributes |
| model function attribute, M32R/D: | | M32R/D Function Attributes |
| model variable attribute, IA-64: | | IA-64 Variable Attributes |
| model-name variable attribute, M32R/D: | | M32R/D Variable Attributes |
| modf : | | Other Builtins |
| modff : | | Other Builtins |
| modfl : | | Other Builtins |
| modifiers in constraints: | | Modifiers |
| Moxie Options: | | Moxie Options |
| MSP430 Options: | | MSP430 Options |
| ms_abi function attribute, x86: | | x86 Function Attributes |
| ms_hook_prologue function attribute, x86: | | x86 Function Attributes |
| ms_struct type attribute, PowerPC: | | PowerPC Type Attributes |
| ms_struct type attribute, x86: | | x86 Type Attributes |
| ms_struct variable attribute, PowerPC: | | PowerPC Variable Attributes |
| ms_struct variable attribute, x86: | | x86 Variable Attributes |
| multiple alternative constraints: | | Multi-Alternative |
| multiprecision arithmetic: | | Long Long |
|
N | | |
| ‘n’ in constraint: | | Simple Constraints |
| naked function attribute, ARC: | | ARC Function Attributes |
| naked function attribute, ARM: | | ARM Function Attributes |
| naked function attribute, AVR: | | AVR Function Attributes |
| naked function attribute, C-SKY: | | C-SKY Function Attributes |
| naked function attribute, MCORE: | | MCORE Function Attributes |
| naked function attribute, MSP430: | | MSP430 Function Attributes |
| naked function attribute, NDS32: | | NDS32 Function Attributes |
| naked function attribute, RISC-V: | | RISC-V Function Attributes |
| naked function attribute, RL78: | | RL78 Function Attributes |
| naked function attribute, RX: | | RX Function Attributes |
| naked function attribute, x86: | | x86 Function Attributes |
| Named Address Spaces: | | Named Address Spaces |
| names used in assembler code: | | Asm Labels |
| naming convention, implementation headers: | | C++ Interface |
| NDS32 Options: | | NDS32 Options |
| near function attribute, MeP: | | MeP Function Attributes |
| near function attribute, MIPS: | | MIPS Function Attributes |
| near type attribute, MeP: | | MeP Type Attributes |
| near variable attribute, MeP: | | MeP Variable Attributes |
| nearbyint : | | Other Builtins |
| nearbyintf : | | Other Builtins |
| nearbyintl : | | Other Builtins |
| nested function attribute, NDS32: | | NDS32 Function Attributes |
| nested functions: | | Nested Functions |
| nested_ready function attribute, NDS32: | | NDS32 Function Attributes |
| nesting function attribute, Blackfin: | | Blackfin Function Attributes |
| newlines (escaped): | | Escaped Newlines |
| nextafter : | | Other Builtins |
| nextafterf : | | Other Builtins |
| nextafterl : | | Other Builtins |
| nexttoward : | | Other Builtins |
| nexttowardf : | | Other Builtins |
| nexttowardl : | | Other Builtins |
| NFC: | | Warning Options |
| NFKC: | | Warning Options |
| Nios II options: | | Nios II Options |
| nmi function attribute, NDS32: | | NDS32 Function Attributes |
| NMI handler functions on the Blackfin processor: | | Blackfin Function Attributes |
| nmi_handler function attribute, Blackfin: | | Blackfin Function Attributes |
| nocf_check function attribute: | | x86 Function Attributes |
| noclone function attribute: | | Common Function Attributes |
| nocommon variable attribute: | | Common Variable Attributes |
| nocompression function attribute, MIPS: | | MIPS Function Attributes |
| noinit variable attribute: | | Common Variable Attributes |
| noinline function attribute: | | Common Function Attributes |
| noipa function attribute: | | Common Function Attributes |
| nomicromips function attribute: | | MIPS Function Attributes |
| nomips16 function attribute, MIPS: | | MIPS Function Attributes |
| non-constant initializers: | | Initializers |
| non-static inline function: | | Inline |
| nonlocal gotos: | | Nonlocal Gotos |
| nonnull function attribute: | | Common Function Attributes |
| nonstring variable attribute: | | Common Variable Attributes |
| noplt function attribute: | | Common Function Attributes |
| noreturn function attribute: | | Common Function Attributes |
| nosave_low_regs function attribute, SH: | | SH Function Attributes |
| note GCC_COLORS capability : | | Diagnostic Message Formatting Options |
| nothrow function attribute: | | Common Function Attributes |
| notshared type attribute, ARM: | | ARM Type Attributes |
| not_nested function attribute, NDS32: | | NDS32 Function Attributes |
| no_caller_saved_registers function attribute, x86: | | x86 Function Attributes |
| no_gccisr function attribute, AVR: | | AVR Function Attributes |
| no_icf function attribute: | | Common Function Attributes |
| no_instrument_function function attribute: | | Common Function Attributes |
| no_profile_instrument_function function attribute: | | Common Function Attributes |
| no_reorder function attribute: | | Common Function Attributes |
| no_sanitize function attribute: | | Common Function Attributes |
| no_sanitize_address function attribute: | | Common Function Attributes |
| no_sanitize_thread function attribute: | | Common Function Attributes |
| no_sanitize_undefined function attribute: | | Common Function Attributes |
| no_split_stack function attribute: | | Common Function Attributes |
| no_stack_limit function attribute: | | Common Function Attributes |
| no_stack_protector function attribute: | | Common Function Attributes |
| Nvidia PTX options: | | Nvidia PTX Options |
| nvptx options: | | Nvidia PTX Options |
|
O | | |
| ‘o’ in constraint: | | Simple Constraints |
| OBJC_INCLUDE_PATH : | | Environment Variables |
| objc_nullability variable attribute: | | Common Variable Attributes |
| objc_root_class type attribute: | | Common Type Attributes |
| Objective-C: | | G++ and GCC |
| Objective-C: | | Standards |
| Objective-C and Objective-C++ options, command-line: | | Objective-C and Objective-C++ Dialect Options |
| Objective-C++: | | G++ and GCC |
| Objective-C++: | | Standards |
| offsettable address: | | Simple Constraints |
| old-style function definitions: | | Function Prototypes |
| omit-leaf-frame-pointer function attribute, AArch64: | | AArch64 Function Attributes |
| omitted middle-operands: | | Conditionals |
| open coding: | | Inline |
| OpenACC accelerator programming: | | C Dialect Options |
| OpenACC accelerator programming: | | C Dialect Options |
| OpenMP parallel: | | C Dialect Options |
| OpenMP SIMD: | | C Dialect Options |
| OpenRISC Options: | | OpenRISC Options |
| operand constraints, asm : | | Constraints |
| optimize function attribute: | | Common Function Attributes |
| optimize options: | | Optimize Options |
| options to control diagnostics formatting: | | Diagnostic Message Formatting Options |
| options to control warnings: | | Warning Options |
| options, C++: | | C++ Dialect Options |
| options, code generation: | | Code Gen Options |
| options, debugging: | | Debugging Options |
| options, dialect: | | C Dialect Options |
| options, directory search: | | Directory Options |
| options, GCC command: | | Invoking GCC |
| options, grouping: | | Invoking GCC |
| options, linking: | | Link Options |
| options, Objective-C and Objective-C++: | | Objective-C and Objective-C++ Dialect Options |
| options, optimization: | | Optimize Options |
| options, order: | | Invoking GCC |
| options, preprocessor: | | Preprocessor Options |
| options, profiling: | | Instrumentation Options |
| options, program instrumentation: | | Instrumentation Options |
| options, run-time error checking: | | Instrumentation Options |
| order of evaluation, side effects: | | Non-bugs |
| order of options: | | Invoking GCC |
| OS_main function attribute, AVR: | | AVR Function Attributes |
| OS_task function attribute, AVR: | | AVR Function Attributes |
| other register constraints: | | Simple Constraints |
| outline-atomics function attribute, AArch64: | | AArch64 Function Attributes |
| output file option: | | Overall Options |
| overloaded virtual function, warning: | | C++ Dialect Options |
|
P | | |
| ‘p’ in constraint: | | Simple Constraints |
| packed type attribute: | | Common Type Attributes |
| packed variable attribute: | | Common Variable Attributes |
| parameter forward declaration: | | Variable Length |
| partial_save function attribute, NDS32: | | NDS32 Function Attributes |
| patchable_function_entry function attribute: | | Common Function Attributes |
| path GCC_COLORS capability : | | Diagnostic Message Formatting Options |
| pcs function attribute, ARM: | | ARM Function Attributes |
| PDP-11 Options: | | PDP-11 Options |
| persistent variable attribute: | | Common Variable Attributes |
| PIC: | | Code Gen Options |
| picoChip options: | | picoChip Options |
| pmf: | | Bound member functions |
| pointer arguments: | | Common Function Attributes |
| pointer arguments in variadic functions: | | Variadic Pointer Args |
| pointer to member function: | | Bound member functions |
| pointers to arrays: | | Pointers to Arrays |
| portions of temporary objects, pointers to: | | Temporaries |
| pow : | | Other Builtins |
| pow10 : | | Other Builtins |
| pow10f : | | Other Builtins |
| pow10l : | | Other Builtins |
| PowerPC options: | | PowerPC Options |
| powf : | | Other Builtins |
| powl : | | Other Builtins |
| pragma GCC ivdep: | | Loop-Specific Pragmas |
| pragma GCC optimize: | | Function Specific Option Pragmas |
| pragma GCC pop_options: | | Function Specific Option Pragmas |
| pragma GCC push_options: | | Function Specific Option Pragmas |
| pragma GCC reset_options: | | Function Specific Option Pragmas |
| pragma GCC target: | | Function Specific Option Pragmas |
| pragma GCC unroll n: | | Loop-Specific Pragmas |
| pragma, address: | | M32C Pragmas |
| pragma, align: | | Solaris Pragmas |
| pragma, call: | | MeP Pragmas |
| pragma, coprocessor available: | | MeP Pragmas |
| pragma, coprocessor call_saved: | | MeP Pragmas |
| pragma, coprocessor subclass: | | MeP Pragmas |
| pragma, ctable_entry: | | PRU Pragmas |
| pragma, custom io_volatile: | | MeP Pragmas |
| pragma, diagnostic: | | Diagnostic Pragmas |
| pragma, diagnostic: | | Diagnostic Pragmas |
| pragma, diagnostic: | | Diagnostic Pragmas |
| pragma, diagnostic: | | Diagnostic Pragmas |
| pragma, disinterrupt: | | MeP Pragmas |
| pragma, fini: | | Solaris Pragmas |
| pragma, init: | | Solaris Pragmas |
| pragma, longcall: | | RS/6000 and PowerPC Pragmas |
| pragma, long_calls: | | ARM Pragmas |
| pragma, long_calls_off: | | ARM Pragmas |
| pragma, mark: | | Darwin Pragmas |
| pragma, memregs: | | M32C Pragmas |
| pragma, no_long_calls: | | ARM Pragmas |
| pragma, options align: | | Darwin Pragmas |
| pragma, pop_macro: | | Push/Pop Macro Pragmas |
| pragma, push_macro: | | Push/Pop Macro Pragmas |
| pragma, redefine_extname: | | Symbol-Renaming Pragmas |
| pragma, segment: | | Darwin Pragmas |
| pragma, unused: | | Darwin Pragmas |
| pragma, visibility: | | Visibility Pragmas |
| pragma, weak: | | Weak Pragmas |
| pragmas: | | Pragmas |
| pragmas in C++, effect on inlining: | | C++ Interface |
| pragmas, interface and implementation: | | C++ Interface |
| pragmas, warning of unknown: | | Warning Options |
| precompiled headers: | | Precompiled Headers |
| prefer-vector-width function attribute, x86: | | x86 Function Attributes |
| preprocessing numbers: | | Incompatibilities |
| preprocessing tokens: | | Incompatibilities |
| preprocessor options: | | Preprocessor Options |
| printf : | | Other Builtins |
| printf_unlocked : | | Other Builtins |
| prof : | | Instrumentation Options |
| profiling options: | | Instrumentation Options |
| progmem variable attribute, AVR: | | AVR Variable Attributes |
| program instrumentation options: | | Instrumentation Options |
| promotion of formal parameters: | | Function Prototypes |
| PRU Options: | | PRU Options |
| pure function attribute: | | Common Function Attributes |
| push address instruction: | | Simple Constraints |
| putchar : | | Other Builtins |
| puts : | | Other Builtins |
|
Q | | |
| q floating point suffix: | | Floating Types |
| Q floating point suffix: | | Floating Types |
| qsort , and global register variables: | | Global Register Variables |
| quote GCC_COLORS capability : | | Diagnostic Message Formatting Options |
|
R | | |
| r fixed-suffix: | | Fixed-Point |
| R fixed-suffix: | | Fixed-Point |
| ‘r’ in constraint: | | Simple Constraints |
| RAMPD : | | AVR Options |
| RAMPX : | | AVR Options |
| RAMPY : | | AVR Options |
| RAMPZ : | | AVR Options |
| range1 GCC_COLORS capability : | | Diagnostic Message Formatting Options |
| range2 GCC_COLORS capability : | | Diagnostic Message Formatting Options |
| ranges in case statements: | | Case Ranges |
| read-only strings: | | Incompatibilities |
| realloc : | | Other Builtins |
| reentrant function attribute, MSP430: | | MSP430 Function Attributes |
| register variable after longjmp : | | Global Register Variables |
| registers for local variables: | | Local Register Variables |
| registers in constraints: | | Simple Constraints |
| registers, global allocation: | | Global Register Variables |
| registers, global variables in: | | Global Register Variables |
| regparm function attribute, x86: | | x86 Function Attributes |
| relocation truncated to fit (ColdFire): | | M680x0 Options |
| relocation truncated to fit (MIPS): | | MIPS Options |
| remainder : | | Other Builtins |
| remainderf : | | Other Builtins |
| remainderl : | | Other Builtins |
| remquo : | | Other Builtins |
| remquof : | | Other Builtins |
| remquol : | | Other Builtins |
| renesas function attribute, SH: | | SH Function Attributes |
| reordering, warning: | | C++ Dialect Options |
| reporting bugs: | | Bugs |
| resbank function attribute, SH: | | SH Function Attributes |
| reset function attribute, NDS32: | | NDS32 Function Attributes |
| reset handler functions: | | NDS32 Function Attributes |
| rest argument (in macro): | | Variadic Macros |
| restricted pointers: | | Restricted Pointers |
| restricted references: | | Restricted Pointers |
| restricted this pointer: | | Restricted Pointers |
| retain function attribute: | | Common Function Attributes |
| retain variable attribute: | | Common Variable Attributes |
| returns_nonnull function attribute: | | Common Function Attributes |
| returns_twice function attribute: | | Common Function Attributes |
| rindex : | | Other Builtins |
| rint : | | Other Builtins |
| rintf : | | Other Builtins |
| rintl : | | Other Builtins |
| RISC-V Options: | | RISC-V Options |
| RL78 Options: | | RL78 Options |
| round : | | Other Builtins |
| roundf : | | Other Builtins |
| roundl : | | Other Builtins |
| RS/6000 and PowerPC Options: | | RS/6000 and PowerPC Options |
| RTTI: | | Vague Linkage |
| run-time error checking options: | | Instrumentation Options |
| run-time options: | | Code Gen Options |
| RX Options: | | RX Options |
|
S | | |
| ‘s’ in constraint: | | Simple Constraints |
| S/390 and zSeries Options: | | S/390 and zSeries Options |
| saddr variable attribute, RL78: | | RL78 Variable Attributes |
| save all registers on the Blackfin: | | Blackfin Function Attributes |
| save all registers on the H8/300, H8/300H, and H8S: | | H8/300 Function Attributes |
| saveall function attribute, Blackfin: | | Blackfin Function Attributes |
| saveall function attribute, H8/300: | | H8/300 Function Attributes |
| save_all function attribute, NDS32: | | NDS32 Function Attributes |
| save_volatiles function attribute, MicroBlaze: | | MicroBlaze Function Attributes |
| scalar_storage_order type attribute: | | Common Type Attributes |
| scalb : | | Other Builtins |
| scalbf : | | Other Builtins |
| scalbl : | | Other Builtins |
| scalbln : | | Other Builtins |
| scalblnf : | | Other Builtins |
| scalblnf : | | Other Builtins |
| scalbn : | | Other Builtins |
| scalbnf : | | Other Builtins |
| scanf , and constant strings: | | Incompatibilities |
| scanfnl : | | Other Builtins |
| scope of a variable length array: | | Variable Length |
| scope of declaration: | | Disappointments |
| scope of external declarations: | | Incompatibilities |
| Score Options: | | Score Options |
| sda variable attribute, V850: | | V850 Variable Attributes |
| search path: | | Directory Options |
| section function attribute: | | Common Function Attributes |
| section variable attribute: | | Common Variable Attributes |
| secure_call function attribute, ARC: | | ARC Function Attributes |
| selectany variable attribute: | | Microsoft Windows Variable Attributes |
| sentinel function attribute: | | Common Function Attributes |
| setjmp : | | Global Register Variables |
| setjmp incompatibilities: | | Incompatibilities |
| shared attribute, Nvidia PTX: | | Nvidia PTX Variable Attributes |
| shared strings: | | Incompatibilities |
| shared variable attribute: | | Microsoft Windows Variable Attributes |
| shortcall function attribute, Blackfin: | | Blackfin Function Attributes |
| shortcall function attribute, PowerPC: | | PowerPC Function Attributes |
| short_call function attribute, ARC: | | ARC Function Attributes |
| short_call function attribute, ARM: | | ARM Function Attributes |
| short_call function attribute, Epiphany: | | Epiphany Function Attributes |
| short_call function attribute, MIPS: | | MIPS Function Attributes |
| side effect in ?: : | | Conditionals |
| side effects, macro argument: | | Statement Exprs |
| side effects, order of evaluation: | | Non-bugs |
| sign-return-address function attribute, AArch64: | | AArch64 Function Attributes |
| signal function attribute, AVR: | | AVR Function Attributes |
| signbit : | | Other Builtins |
| signbitd128 : | | Other Builtins |
| signbitd32 : | | Other Builtins |
| signbitd64 : | | Other Builtins |
| signbitf : | | Other Builtins |
| signbitl : | | Other Builtins |
| signed and unsigned values, comparison warning: | | Warning Options |
| significand : | | Other Builtins |
| significandf : | | Other Builtins |
| significandl : | | Other Builtins |
| SIMD: | | C Dialect Options |
| simd function attribute: | | Common Function Attributes |
| simple constraints: | | Simple Constraints |
| sin : | | Other Builtins |
| sincos : | | Other Builtins |
| sincosf : | | Other Builtins |
| sincosl : | | Other Builtins |
| sinf : | | Other Builtins |
| sinh : | | Other Builtins |
| sinhf : | | Other Builtins |
| sinhl : | | Other Builtins |
| sinl : | | Other Builtins |
| sizeof : | | Typeof |
| smaller data references: | | M32R/D Options |
| smaller data references: | | Nios II Options |
| smaller data references (PowerPC): | | RS/6000 and PowerPC Options |
| snprintf : | | Other Builtins |
| Solaris 2 options: | | Solaris 2 Options |
| SOURCE_DATE_EPOCH : | | Environment Variables |
| SPARC options: | | SPARC Options |
| Spec Files: | | Spec Files |
| specified registers: | | Explicit Register Variables |
| specifying compiler version and target machine: | | Invoking GCC |
| specifying hardware config: | | Submodel Options |
| specifying machine version: | | Invoking GCC |
| specifying registers for local variables: | | Local Register Variables |
| speed of compilation: | | Precompiled Headers |
| speed of compilation: | | C++ Modules |
| sprintf : | | Other Builtins |
| sp_switch function attribute, SH: | | SH Function Attributes |
| sqrt : | | Other Builtins |
| sqrtf : | | Other Builtins |
| sqrtl : | | Other Builtins |
| sscanf : | | Other Builtins |
| sscanf , and constant strings: | | Incompatibilities |
| sseregparm function attribute, x86: | | x86 Function Attributes |
| stack_protect function attribute: | | Common Function Attributes |
| Statement Attributes: | | Statement Attributes |
| statements inside expressions: | | Statement Exprs |
| static data in C++, declaring and defining: | | Static Definitions |
| stdcall function attribute, x86-32: | | x86 Function Attributes |
| stpcpy : | | Other Builtins |
| stpncpy : | | Other Builtins |
| strcasecmp : | | Other Builtins |
| strcat : | | Other Builtins |
| strchr : | | Other Builtins |
| strcmp : | | Other Builtins |
| strcpy : | | Other Builtins |
| strcspn : | | Other Builtins |
| strdup : | | Other Builtins |
| strfmon : | | Other Builtins |
| strftime : | | Other Builtins |
| strict-align function attribute, AArch64: | | AArch64 Function Attributes |
| string constants: | | Incompatibilities |
| strlen : | | Other Builtins |
| strncasecmp : | | Other Builtins |
| strncat : | | Other Builtins |
| strncmp : | | Other Builtins |
| strncpy : | | Other Builtins |
| strndup : | | Other Builtins |
| strnlen : | | Other Builtins |
| strpbrk : | | Other Builtins |
| strrchr : | | Other Builtins |
| strspn : | | Other Builtins |
| strstr : | | Other Builtins |
| struct : | | Unnamed Fields |
| struct __htm_tdb : | | S/390 System z Built-in Functions |
| structures: | | Incompatibilities |
| structures, constructor expression: | | Compound Literals |
| submodel options: | | Submodel Options |
| subscripting: | | Subscripting |
| subscripting and function values: | | Subscripting |
| suffixes for C++ source: | | Invoking G++ |
| SUNPRO_DEPENDENCIES : | | Environment Variables |
| suppressing warnings: | | Warning Options |
| surprises in C++: | | C++ Misunderstandings |
| symver function attribute: | | Common Function Attributes |
| syntax checking: | | Warning Options |
| syscall_linkage function attribute, IA-64: | | IA-64 Function Attributes |
| system headers, warnings from: | | Warning Options |
| sysv_abi function attribute, x86: | | x86 Function Attributes |
|
T | | |
| tan : | | Other Builtins |
| tanf : | | Other Builtins |
| tanh : | | Other Builtins |
| tanhf : | | Other Builtins |
| tanhl : | | Other Builtins |
| tanl : | | Other Builtins |
| target function attribute: | | Common Function Attributes |
| target function attribute: | | ARM Function Attributes |
| target function attribute: | | Nios II Function Attributes |
| target function attribute: | | PowerPC Function Attributes |
| target function attribute: | | S/390 Function Attributes |
| target function attribute: | | x86 Function Attributes |
| target machine, specifying: | | Invoking GCC |
| target("3dnow") function attribute, x86: | | x86 Function Attributes |
| target("3dnowa") function attribute, x86: | | x86 Function Attributes |
| target("abm") function attribute, x86: | | x86 Function Attributes |
| target("adx") function attribute, x86: | | x86 Function Attributes |
| target("aes") function attribute, x86: | | x86 Function Attributes |
| target("align-stringops") function attribute, x86: | | x86 Function Attributes |
| target("altivec") function attribute, PowerPC: | | PowerPC Function Attributes |
| target("amx-bf16") function attribute, x86: | | x86 Function Attributes |
| target("amx-int8") function attribute, x86: | | x86 Function Attributes |
| target("amx-tile") function attribute, x86: | | x86 Function Attributes |
| target("arch=ARCH") function attribute, x86: | | x86 Function Attributes |
| target("arm") function attribute, ARM: | | ARM Function Attributes |
| target("avoid-indexed-addresses") function attribute, PowerPC: | | PowerPC Function Attributes |
| target("avx") function attribute, x86: | | x86 Function Attributes |
| target("avx2") function attribute, x86: | | x86 Function Attributes |
| target("avx5124fmaps") function attribute, x86: | | x86 Function Attributes |
| target("avx5124vnniw") function attribute, x86: | | x86 Function Attributes |
| target("avx512bitalg") function attribute, x86: | | x86 Function Attributes |
| target("avx512bw") function attribute, x86: | | x86 Function Attributes |
| target("avx512cd") function attribute, x86: | | x86 Function Attributes |
| target("avx512dq") function attribute, x86: | | x86 Function Attributes |
| target("avx512er") function attribute, x86: | | x86 Function Attributes |
| target("avx512f") function attribute, x86: | | x86 Function Attributes |
| target("avx512ifma") function attribute, x86: | | x86 Function Attributes |
| target("avx512pf") function attribute, x86: | | x86 Function Attributes |
| target("avx512vbmi") function attribute, x86: | | x86 Function Attributes |
| target("avx512vbmi2") function attribute, x86: | | x86 Function Attributes |
| target("avx512vl") function attribute, x86: | | x86 Function Attributes |
| target("avx512vnni") function attribute, x86: | | x86 Function Attributes |
| target("avx512vpopcntdq") function attribute, x86: | | x86 Function Attributes |
| target("avxvnni") function attribute, x86: | | x86 Function Attributes |
| target("bmi") function attribute, x86: | | x86 Function Attributes |
| target("bmi2") function attribute, x86: | | x86 Function Attributes |
| target("cld") function attribute, x86: | | x86 Function Attributes |
| target("cldemote") function attribute, x86: | | x86 Function Attributes |
| target("clflushopt") function attribute, x86: | | x86 Function Attributes |
| target("clwb") function attribute, x86: | | x86 Function Attributes |
| target("clzero") function attribute, x86: | | x86 Function Attributes |
| target("cmpb") function attribute, PowerPC: | | PowerPC Function Attributes |
| target("cpu=CPU") function attribute, PowerPC: | | PowerPC Function Attributes |
| target("crc32") function attribute, x86: | | x86 Function Attributes |
| target("custom-fpu-cfg=name") function attribute, Nios II: | | Nios II Function Attributes |
| target("custom-insn=N") function attribute, Nios II: | | Nios II Function Attributes |
| target("cx16") function attribute, x86: | | x86 Function Attributes |
| target("default") function attribute, x86: | | x86 Function Attributes |
| target("dlmzb") function attribute, PowerPC: | | PowerPC Function Attributes |
| target("f16c") function attribute, x86: | | x86 Function Attributes |
| target("fancy-math-387") function attribute, x86: | | x86 Function Attributes |
| target("fma") function attribute, x86: | | x86 Function Attributes |
| target("fma4") function attribute, x86: | | x86 Function Attributes |
| target("fpmath=FPMATH") function attribute, x86: | | x86 Function Attributes |
| target("fprnd") function attribute, PowerPC: | | PowerPC Function Attributes |
| target("fpu=") function attribute, ARM: | | ARM Function Attributes |
| target("friz") function attribute, PowerPC: | | PowerPC Function Attributes |
| target("fsgsbase") function attribute, x86: | | x86 Function Attributes |
| target("fxsr") function attribute, x86: | | x86 Function Attributes |
| target("general-regs-only") function attribute, x86: | | x86 Function Attributes |
| target("gfni") function attribute, x86: | | x86 Function Attributes |
| target("hard-dfp") function attribute, PowerPC: | | PowerPC Function Attributes |
| target("hle") function attribute, x86: | | x86 Function Attributes |
| target("hreset") function attribute, x86: | | x86 Function Attributes |
| target("ieee-fp") function attribute, x86: | | x86 Function Attributes |
| target("inline-all-stringops") function attribute, x86: | | x86 Function Attributes |
| target("inline-stringops-dynamically") function attribute, x86: | | x86 Function Attributes |
| target("isel") function attribute, PowerPC: | | PowerPC Function Attributes |
| target("kl") function attribute, x86: | | x86 Function Attributes |
| target("longcall") function attribute, PowerPC: | | PowerPC Function Attributes |
| target("lwp") function attribute, x86: | | x86 Function Attributes |
| target("lzcnt") function attribute, x86: | | x86 Function Attributes |
| target("mfcrf") function attribute, PowerPC: | | PowerPC Function Attributes |
| target("mmx") function attribute, x86: | | x86 Function Attributes |
| target("movbe") function attribute, x86: | | x86 Function Attributes |
| target("movdir64b") function attribute, x86: | | x86 Function Attributes |
| target("movdiri") function attribute, x86: | | x86 Function Attributes |
| target("mulhw") function attribute, PowerPC: | | PowerPC Function Attributes |
| target("multiple") function attribute, PowerPC: | | PowerPC Function Attributes |
| target("mwaitx") function attribute, x86: | | x86 Function Attributes |
| target("no-custom-insn") function attribute, Nios II: | | Nios II Function Attributes |
| target("paired") function attribute, PowerPC: | | PowerPC Function Attributes |
| target("pclmul") function attribute, x86: | | x86 Function Attributes |
| target("pconfig") function attribute, x86: | | x86 Function Attributes |
| target("pku") function attribute, x86: | | x86 Function Attributes |
| target("popcnt") function attribute, x86: | | x86 Function Attributes |
| target("popcntb") function attribute, PowerPC: | | PowerPC Function Attributes |
| target("popcntd") function attribute, PowerPC: | | PowerPC Function Attributes |
| target("powerpc-gfxopt") function attribute, PowerPC: | | PowerPC Function Attributes |
| target("powerpc-gpopt") function attribute, PowerPC: | | PowerPC Function Attributes |
| target("prefetchwt1") function attribute, x86: | | x86 Function Attributes |
| target("prfchw") function attribute, x86: | | x86 Function Attributes |
| target("ptwrite") function attribute, x86: | | x86 Function Attributes |
| target("rdpid") function attribute, x86: | | x86 Function Attributes |
| target("rdrnd") function attribute, x86: | | x86 Function Attributes |
| target("rdseed") function attribute, x86: | | x86 Function Attributes |
| target("recip") function attribute, x86: | | x86 Function Attributes |
| target("recip-precision") function attribute, PowerPC: | | PowerPC Function Attributes |
| target("rtm") function attribute, x86: | | x86 Function Attributes |
| target("sahf") function attribute, x86: | | x86 Function Attributes |
| target("sgx") function attribute, x86: | | x86 Function Attributes |
| target("sha") function attribute, x86: | | x86 Function Attributes |
| target("shstk") function attribute, x86: | | x86 Function Attributes |
| target("sse") function attribute, x86: | | x86 Function Attributes |
| target("sse2") function attribute, x86: | | x86 Function Attributes |
| target("sse3") function attribute, x86: | | x86 Function Attributes |
| target("sse4") function attribute, x86: | | x86 Function Attributes |
| target("sse4.1") function attribute, x86: | | x86 Function Attributes |
| target("sse4.2") function attribute, x86: | | x86 Function Attributes |
| target("sse4a") function attribute, x86: | | x86 Function Attributes |
| target("ssse3") function attribute, x86: | | x86 Function Attributes |
| target("string") function attribute, PowerPC: | | PowerPC Function Attributes |
| target("tbm") function attribute, x86: | | x86 Function Attributes |
| target("thumb") function attribute, ARM: | | ARM Function Attributes |
| target("tune=TUNE") function attribute, PowerPC: | | PowerPC Function Attributes |
| target("tune=TUNE") function attribute, x86: | | x86 Function Attributes |
| target("uintr") function attribute, x86: | | x86 Function Attributes |
| target("update") function attribute, PowerPC: | | PowerPC Function Attributes |
| target("vaes") function attribute, x86: | | x86 Function Attributes |
| target("vpclmulqdq") function attribute, x86: | | x86 Function Attributes |
| target("vsx") function attribute, PowerPC: | | PowerPC Function Attributes |
| target("waitpkg") function attribute, x86: | | x86 Function Attributes |
| target("wbnoinvd") function attribute, x86: | | x86 Function Attributes |
| target("widekl") function attribute, x86: | | x86 Function Attributes |
| target("xop") function attribute, x86: | | x86 Function Attributes |
| target("xsave") function attribute, x86: | | x86 Function Attributes |
| target("xsavec") function attribute, x86: | | x86 Function Attributes |
| target("xsaveopt") function attribute, x86: | | x86 Function Attributes |
| target("xsaves") function attribute, x86: | | x86 Function Attributes |
| target-dependent options: | | Submodel Options |
| target_clones function attribute: | | Common Function Attributes |
| TC1: | | Standards |
| TC2: | | Standards |
| TC3: | | Standards |
| tda variable attribute, V850: | | V850 Variable Attributes |
| Technical Corrigenda: | | Standards |
| Technical Corrigendum 1: | | Standards |
| Technical Corrigendum 2: | | Standards |
| Technical Corrigendum 3: | | Standards |
| template instantiation: | | Template Instantiation |
| temporaries, lifetime of: | | Temporaries |
| tentative definitions: | | Code Gen Options |
| TERM_URLS environment variable : | | Diagnostic Message Formatting Options |
| tgamma : | | Other Builtins |
| tgammaf : | | Other Builtins |
| tgammal : | | Other Builtins |
| thiscall function attribute, x86-32: | | x86 Function Attributes |
| Thread-Local Storage: | | Thread-Local |
| thunks: | | Nested Functions |
| TILE-Gx options: | | TILE-Gx Options |
| TILEPro options: | | TILEPro Options |
| tiny data section on the H8/300H and H8S: | | H8/300 Variable Attributes |
| tiny type attribute, MeP: | | MeP Type Attributes |
| tiny variable attribute, MeP: | | MeP Variable Attributes |
| tiny_data variable attribute, H8/300: | | H8/300 Variable Attributes |
| TLS: | | Thread-Local |
| tls-dialect= function attribute, AArch64: | | AArch64 Function Attributes |
| tls_model variable attribute: | | Common Variable Attributes |
| TMPDIR : | | Environment Variables |
| toascii : | | Other Builtins |
| tolower : | | Other Builtins |
| toupper : | | Other Builtins |
| towlower : | | Other Builtins |
| towupper : | | Other Builtins |
| traditional C language: | | Preprocessor Options |
| transparent_union type attribute: | | Common Type Attributes |
| trapa_handler function attribute, SH: | | SH Function Attributes |
| trap_exit function attribute, SH: | | SH Function Attributes |
| trunc : | | Other Builtins |
| truncf : | | Other Builtins |
| truncl : | | Other Builtins |
| tune= function attribute, AArch64: | | AArch64 Function Attributes |
| two-stage name lookup: | | Name lookup |
| type alignment: | | Alignment |
| type attributes: | | Type Attributes |
| type-diff GCC_COLORS capability : | | Diagnostic Message Formatting Options |
| typedef names as function parameters: | | Incompatibilities |
| typeof : | | Typeof |
| type_info : | | Vague Linkage |
|
U | | |
| uhk fixed-suffix: | | Fixed-Point |
| UHK fixed-suffix: | | Fixed-Point |
| uhr fixed-suffix: | | Fixed-Point |
| UHR fixed-suffix: | | Fixed-Point |
| uk fixed-suffix: | | Fixed-Point |
| UK fixed-suffix: | | Fixed-Point |
| ulk fixed-suffix: | | Fixed-Point |
| ULK fixed-suffix: | | Fixed-Point |
| ULL integer suffix: | | Long Long |
| ullk fixed-suffix: | | Fixed-Point |
| ULLK fixed-suffix: | | Fixed-Point |
| ullr fixed-suffix: | | Fixed-Point |
| ULLR fixed-suffix: | | Fixed-Point |
| ulr fixed-suffix: | | Fixed-Point |
| ULR fixed-suffix: | | Fixed-Point |
| uncached type attribute, ARC: | | ARC Type Attributes |
| undefined behavior: | | Bug Criteria |
| undefined function value: | | Bug Criteria |
| underscores in variables in macros: | | Typeof |
| union : | | Unnamed Fields |
| union, casting to a: | | Cast to Union |
| unions: | | Incompatibilities |
| unknown pragmas, warning: | | Warning Options |
| unresolved references and -nodefaultlibs: | | Link Options |
| unresolved references and -nostdlib: | | Link Options |
| unused function attribute: | | Common Function Attributes |
| unused label attribute: | | Label Attributes |
| unused type attribute: | | Common Type Attributes |
| unused variable attribute: | | Common Variable Attributes |
| upper function attribute, MSP430: | | MSP430 Function Attributes |
| upper variable attribute, MSP430: | | MSP430 Variable Attributes |
| ur fixed-suffix: | | Fixed-Point |
| UR fixed-suffix: | | Fixed-Point |
| urls: | | Diagnostic Message Formatting Options |
| used function attribute: | | Common Function Attributes |
| used variable attribute: | | Common Variable Attributes |
| User stack pointer in interrupts on the Blackfin: | | Blackfin Function Attributes |
| use_debug_exception_return function attribute, MIPS: | | MIPS Function Attributes |
| use_shadow_register_set function attribute, MIPS: | | MIPS Function Attributes |
|
V | | |
| ‘V’ in constraint: | | Simple Constraints |
| V850 Options: | | V850 Options |
| vague linkage: | | Vague Linkage |
| value after longjmp : | | Global Register Variables |
| variable addressability on the M32R/D: | | M32R/D Variable Attributes |
| variable alignment: | | Alignment |
| variable attributes: | | Variable Attributes |
| variable number of arguments: | | Variadic Macros |
| variable-length array in a structure: | | Variable Length |
| variable-length array scope: | | Variable Length |
| variable-length arrays: | | Variable Length |
| variables in specified registers: | | Explicit Register Variables |
| variables, local, in macros: | | Typeof |
| variadic functions, pointer arguments: | | Variadic Pointer Args |
| variadic macros: | | Variadic Macros |
| VAX options: | | VAX Options |
| vector function attribute, RX: | | RX Function Attributes |
| vector types, using with x86 intrinsics: | | Vector Extensions |
| vector_size type attribute: | | Common Type Attributes |
| vector_size variable attribute: | | Common Variable Attributes |
| vec_blendv : | | PowerPC AltiVec Built-in Functions Available on ISA 3.1 |
| vec_cfuge : | | PowerPC AltiVec Built-in Functions Available on ISA 3.1 |
| vec_clrl : | | PowerPC AltiVec Built-in Functions Available on ISA 3.1 |
| vec_clrr : | | PowerPC AltiVec Built-in Functions Available on ISA 3.1 |
| vec_cntlzm : | | PowerPC AltiVec Built-in Functions Available on ISA 3.1 |
| vec_cnttzm : | | PowerPC AltiVec Built-in Functions Available on ISA 3.1 |
| vec_extracth : | | PowerPC AltiVec Built-in Functions Available on ISA 3.1 |
| vec_extractl : | | PowerPC AltiVec Built-in Functions Available on ISA 3.1 |
| vec_genpcvm : | | PowerPC AltiVec Built-in Functions Available on ISA 3.1 |
| vec_gnb : | | PowerPC AltiVec Built-in Functions Available on ISA 3.1 |
| vec_inserth : | | PowerPC AltiVec Built-in Functions Available on ISA 3.1 |
| vec_insertl : | | PowerPC AltiVec Built-in Functions Available on ISA 3.1 |
| vec_pdep : | | PowerPC AltiVec Built-in Functions Available on ISA 3.1 |
| vec_permx : | | PowerPC AltiVec Built-in Functions Available on ISA 3.1 |
| vec_pext : | | PowerPC AltiVec Built-in Functions Available on ISA 3.1 |
| vec_replace_element : | | PowerPC AltiVec Built-in Functions Available on ISA 3.1 |
| vec_replace_unaligned : | | PowerPC AltiVec Built-in Functions Available on ISA 3.1 |
| vec_sldb : | | PowerPC AltiVec Built-in Functions Available on ISA 3.1 |
| vec_splati : | | PowerPC AltiVec Built-in Functions Available on ISA 3.1 |
| vec_splatid : | | PowerPC AltiVec Built-in Functions Available on ISA 3.1 |
| vec_splati_ins : | | PowerPC AltiVec Built-in Functions Available on ISA 3.1 |
| vec_srdb : | | PowerPC AltiVec Built-in Functions Available on ISA 3.1 |
| vec_stril : | | PowerPC AltiVec Built-in Functions Available on ISA 3.1 |
| vec_stril_p : | | PowerPC AltiVec Built-in Functions Available on ISA 3.1 |
| vec_strir : | | PowerPC AltiVec Built-in Functions Available on ISA 3.1 |
| vec_strir_p : | | PowerPC AltiVec Built-in Functions Available on ISA 3.1 |
| vec_ternarylogic : | | PowerPC AltiVec Built-in Functions Available on ISA 3.1 |
| vec_xst_trunc : | | Basic PowerPC Built-in Functions Available on ISA 3.1 |
| version_id function attribute, IA-64: | | IA-64 Function Attributes |
| vfprintf : | | Other Builtins |
| vfscanf : | | Other Builtins |
| visibility function attribute: | | Common Function Attributes |
| visibility type attribute: | | Common Type Attributes |
| visibility variable attribute: | | Common Variable Attributes |
| Visium options: | | Visium Options |
| VLAs: | | Variable Length |
| vliw function attribute, MeP: | | MeP Function Attributes |
| void pointers, arithmetic: | | Pointer Arith |
| void, size of pointer to: | | Pointer Arith |
| volatile access: | | Volatiles |
| volatile access: | | C++ Volatiles |
| volatile applied to function: | | Function Attributes |
| volatile asm : | | Extended Asm |
| volatile read: | | Volatiles |
| volatile read: | | C++ Volatiles |
| volatile write: | | Volatiles |
| volatile write: | | C++ Volatiles |
| vprintf : | | Other Builtins |
| vscanf : | | Other Builtins |
| vsnprintf : | | Other Builtins |
| vsprintf : | | Other Builtins |
| vsscanf : | | Other Builtins |
| vsx_xl_sext : | | Basic PowerPC Built-in Functions Available on ISA 3.1 |
| vsx_xl_zext : | | Basic PowerPC Built-in Functions Available on ISA 3.1 |
| vtable: | | Vague Linkage |
| VxWorks Options: | | VxWorks Options |
|
W | | |
| w floating point suffix: | | Floating Types |
| W floating point suffix: | | Floating Types |
| wakeup function attribute, MSP430: | | MSP430 Function Attributes |
| warm function attribute, NDS32: | | NDS32 Function Attributes |
| warning for comparison of signed and unsigned values: | | Warning Options |
| warning for overloaded virtual function: | | C++ Dialect Options |
| warning for reordering of member initializers: | | C++ Dialect Options |
| warning for unknown pragmas: | | Warning Options |
| warning function attribute: | | Common Function Attributes |
| warning GCC_COLORS capability : | | Diagnostic Message Formatting Options |
| warning messages: | | Warning Options |
| warnings from system headers: | | Warning Options |
| warnings vs errors: | | Warnings and Errors |
| warn_if_not_aligned type attribute: | | Common Type Attributes |
| warn_if_not_aligned variable attribute: | | Common Variable Attributes |
| warn_unused type attribute: | | C++ Attributes |
| warn_unused_result function attribute: | | Common Function Attributes |
| weak function attribute: | | Common Function Attributes |
| weak variable attribute: | | Common Variable Attributes |
| weakref function attribute: | | Common Function Attributes |
| whitespace: | | Incompatibilities |
| Windows Options for x86: | | x86 Windows Options |
|
X | | |
| ‘X’ in constraint: | | Simple Constraints |
| X3.159-1989: | | Standards |
| x86 named address spaces: | | Named Address Spaces |
| x86 Options: | | x86 Options |
| x86 Windows Options: | | x86 Windows Options |
| Xstormy16 Options: | | Xstormy16 Options |
| Xtensa Options: | | Xtensa Options |
|
Y | | |
| y0 : | | Other Builtins |
| y0f : | | Other Builtins |
| y0l : | | Other Builtins |
| y1 : | | Other Builtins |
| y1f : | | Other Builtins |
| y1l : | | Other Builtins |
| yn : | | Other Builtins |
| ynf : | | Other Builtins |
| ynl : | | Other Builtins |
|
Z | | |
| zda variable attribute, V850: | | V850 Variable Attributes |
| zero-length arrays: | | Zero Length |
| zero-size structures: | | Empty Structures |
| zero_call_used_regs function attribute: | | Common Function Attributes |
| zSeries options: | | zSeries Options |
|