Common Var(warn_inline) Warning
Warn when an inlined function cannot be inlined
+Winvalid-memory-model
+Common Var(warn_invalid_memory_model) Init(1) Warning
+Warn when an atomic memory model parameter is known to be outside the valid range.
+
Wlarger-than-
Common RejectNegative Joined Warning Undocumented Alias(Wlarger-than=)
Common Var(warn_missing_noreturn) Warning
Warn about functions which might be candidates for __attribute__((noreturn))
-Wmudflap
-Common Var(warn_mudflap) Init(1) Warning
-Warn about constructs not instrumented by -fmudflap
-
Woverflow
Common Var(warn_overflow) Init(1) Warning
Warn about overflow in arithmetic expressions
Common Var(warn_coverage_mismatch) Init(1) Warning
Warn in case profiles in -fprofile-use do not match
+Wvector-operation-performance
+Common Var(warn_vector_operation_performance) Warning
+Warn when a vector operation is compiled outside the SIMD
+
Xassembler
Driver Separate
; function parameters used in other parameters and the return type.
; First selectable in G++ 4.6.
;
-; 6: The version of the ABI that doesn't promote scoped enums to int.
+; 6: The version of the ABI that doesn't promote scoped enums to int and
+; changes the mangling of template argument packs, const/static_cast,
+; prefix ++ and --, and a class scope function used as a template
+; argument.
; First selectable in G++ 4.7.
;
; Additional positive integers will be assigned as new versions of
Common Report Var(flag_loop_block) Optimization
Enable Loop Blocking transformation
+fgnu-tm
+Common Report Var(flag_tm)
+Enable support for GNU transactional memory
+
floop-flatten
Common Report Var(flag_loop_flatten) Optimization
Enable Loop Flattening transformation
Common RejectNegative Joined UInteger
-finline-limit=<number> Limit the size of inlined functions to <number>
+finline-atomics
+Common Report Var(flag_inline_atomics) Init(1) Optimization
+Inline __atomic operations when a lock free instruction sequence is available.
+
finstrument-functions
Common Report Var(flag_instrument_function_entry_exit)
Instrument function entry and exit with profiling calls
Enum(ira_algorithm) String(priority) Value(IRA_ALGORITHM_PRIORITY)
fira-region=
-Common Joined RejectNegative Enum(ira_region) Var(flag_ira_region) Init(IRA_REGION_MIXED)
+Common Joined RejectNegative Enum(ira_region) Var(flag_ira_region) Init(IRA_REGION_AUTODETECT)
-fira-region=[one|all|mixed] Set regions for IRA
Enum
Common Report Var(flag_move_loop_invariants) Init(1) Optimization
Move loop invariant computations out of loops
-fmudflap
-Common RejectNegative Report Var(flag_mudflap)
-Add mudflap bounds-checking instrumentation for single-threaded program
-
-fmudflapth
-Common RejectNegative Report Var(flag_mudflap,2)
-Add mudflap bounds-checking instrumentation for multi-threaded program
-
-fmudflapir
-Common RejectNegative Report Var(flag_mudflap_ignore_reads)
-Ignore read operations when inserting mudflap instrumentation
-
fdce
Common Var(flag_dce) Init(1) Optimization
Use the RTL dead code elimination pass
Does nothing. Preserved for backward compatibility.
fzee
-Common Report Var(flag_zee) Init(0)
-Eliminate redundant zero extensions on targets that support implicit extensions.
+Common Ignore
+Does nothing. Preserved for backward compatibility.
+
+free
+Common Report Var(flag_ree) Init(0)
+Turn on Redundant Extensions Elimination pass.
fshow-column
Common Report Var(flag_show_column) Init(1)
Show column numbers in diagnostics, when available. Default on
+fshrink-wrap
+Common Report Var(flag_shrink_wrap) Optimization
+Emit function prologues only before parts of the function that need it,
+rather than at the top of the function.
+
fsignaling-nans
Common Report Var(flag_signaling_nans) Optimization SetByCombined
Disable optimizations observable by IEEE signaling NaNs
OSDN Git Service
