X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=gcc%2Fcommon.opt;h=be6fe4f35d2ed894697b39cdcbe9decc454e8d63;hb=7e8d1b2d1ef3ab73a6123b0fa5000e4675752d97;hp=f415f14d92447e6e49de1effd39b21c4ce82ea40;hpb=75cfe445d9e4e31043757b9aaec0fa9e33d7d7f1;p=gcc.git diff --git a/gcc/common.opt b/gcc/common.opt index f415f14d924..be6fe4f35d2 100644 --- a/gcc/common.opt +++ b/gcc/common.opt @@ -32,6 +32,9 @@ int optimize Variable int optimize_size +Variable +int optimize_debug + ; Not used directly to control optimizations, only to save -Ofast ; setting for "optimize" attributes. Variable @@ -138,9 +141,6 @@ bool use_gnu_debug_info_extensions Variable unsigned int initial_max_fld_align = TARGET_DEFAULT_PACK_STRUCT -Variable -enum vect_verbosity_levels user_vect_verbosity_level = MAX_VERBOSITY_LEVEL - ; Type of stack check. Variable enum stack_check_type flag_stack_check = NO_STACK_CHECK @@ -291,6 +291,9 @@ Driver Alias(no-canonical-prefixes) -no-standard-libraries Driver Alias(nostdlib) +-no-sysroot-suffix +Driver Var(no_sysroot_suffix) + -no-warnings Common Alias(w) @@ -345,6 +348,9 @@ Driver Alias(print-multi-lib) -print-multi-os-directory Driver Alias(print-multi-os-directory) +-print-multiarch +Driver Alias(print-multiarch) + -print-prog-name Driver Separate Alias(print-prog-name=) @@ -446,6 +452,10 @@ Ofast Common Optimization Optimize for speed disregarding exact standards compliance +Og +Common Optimization +Optimize for debugging experience rather than speed or size + Q Driver @@ -602,7 +612,7 @@ Common Warning Warn about code which might break strict aliasing rules Wstrict-aliasing= -Common Joined RejectNegative UInteger Var(warn_strict_aliasing) Init(-1) Warning +Common Joined RejectNegative UInteger Var(warn_strict_aliasing) Warning Warn about code which might break strict aliasing rules Wstrict-overflow @@ -610,7 +620,7 @@ Common Warning Warn about optimizations that assume that signed overflow is undefined Wstrict-overflow= -Common Joined RejectNegative UInteger Var(warn_strict_overflow) Init(-1) Warning +Common Joined RejectNegative UInteger Var(warn_strict_overflow) Warning Warn about optimizations that assume that signed overflow is undefined Wsuggest-attribute=const @@ -625,18 +635,6 @@ Wsuggest-attribute=noreturn Common Var(warn_suggest_attribute_noreturn) Warning Warn about functions which might be candidates for __attribute__((noreturn)) -Wswitch -Common Var(warn_switch) Warning -Warn about enumerated switches, with no default, missing a case - -Wswitch-default -Common Var(warn_switch_default) Warning -Warn about enumerated switches missing a \"default:\" statement - -Wswitch-enum -Common Var(warn_switch_enum) Warning -Warn about all enumerated switches missing a specific case - Wsystem-headers Common Var(warn_system_headers) Warning Do not suppress warnings from system headers @@ -666,7 +664,7 @@ Common Var(warn_unused) Init(0) Warning Enable all -Wunused- warnings Wunused-but-set-parameter -Common Var(warn_unused_but_set_parameter) Init(-1) Warning +Common Var(warn_unused_but_set_parameter) Warning EnabledBy(Wunused && Wextra) Warn when a function parameter is only set, otherwise unused Wunused-but-set-variable @@ -682,7 +680,7 @@ Common Var(warn_unused_label) Warning EnabledBy(Wunused) Warn when a label is unused Wunused-parameter -Common Var(warn_unused_parameter) Init(-1) Warning +Common Var(warn_unused_parameter) Warning EnabledBy(Wunused && Wextra) Warn when a function parameter is unused Wunused-value @@ -842,6 +840,10 @@ fargument-noalias-anything Common Ignore Does nothing. Preserved for backward compatibility. +faddress-sanitizer +Common Report Var(flag_asan) +Enable AddressSanitizer, a memory error detector + fasynchronous-unwind-tables Common Report Var(flag_asynchronous_unwind_tables) Optimization Generate unwind tables that are exact at each instruction boundary @@ -1286,7 +1288,7 @@ Perform indirect inlining ; General flag to enable inlining. Specifying -fno-inline will disable ; all inlining apart from always-inline functions. finline -Common Report Var(flag_no_inline,0) Init(0) +Common Report Var(flag_no_inline,0) Init(0) Optimization Enable inlining of function declared \"inline\", disabling disables all inlining finline-small-functions @@ -1349,9 +1351,8 @@ Common Report Var(flag_ipa_reference) Init(0) Optimization Discover readonly and non addressable static variables fipa-matrix-reorg -Common Report Var(flag_ipa_matrix_reorg) Optimization -Perform matrix layout flattening and transposing based -on profiling information. +Common Ignore +Does nothing. Preserved for backward compatibility. fipa-struct-reorg Common Ignore @@ -1386,6 +1387,11 @@ Enum(ira_region) String(all) Value(IRA_REGION_ALL) EnumValue Enum(ira_region) String(mixed) Value(IRA_REGION_MIXED) +fira-hoist-pressure +Common Report Var(flag_ira_hoist_pressure) Init(1) Optimization +Use IRA based register pressure calculation +in RTL hoist optimizations. + fira-loop-pressure Common Report Var(flag_ira_loop_pressure) Use IRA based register pressure calculation @@ -1437,12 +1443,16 @@ Link-time optimization with number of parallel jobs or jobserver. flto-partition=1to1 Common Var(flag_lto_partition_1to1) -Partition functions and vars at linktime based on object files they originate from +Partition symbols and vars at linktime based on object files they originate from flto-partition=balanced Common Var(flag_lto_partition_balanced) Partition functions and vars at linktime into approximately same sized buckets +flto-partition=max +Common Var(flag_lto_partition_max) +Put every symbol into separate partition + flto-partition=none Common Var(flag_lto_partition_none) Disable partioning and streaming @@ -1468,6 +1478,10 @@ fmem-report Common Report Var(mem_report) Report on permanent memory allocation +fmem-report-wpa +Common Report Var(mem_report_wpa) +Report on permanent memory allocation in WPA only + ; This will attempt to merge constant section constants, if 1 only ; string constants and constants from constant pool, if 2 also constant ; variables. @@ -1519,6 +1533,14 @@ fomit-frame-pointer Common Report Var(flag_omit_frame_pointer) Optimization When possible do not generate stack frames +fopt-info +Common Report Var(flag_opt_info) Optimization +Enable all optimization info dumps on stderr + +fopt-info- +Common Joined RejectNegative Var(common_deferred_options) Defer +-fopt-info[-=filename] Dump compiler optimization details + foptimize-register-move Common Report Var(flag_regmove) Optimization Do the full register move optimization pass @@ -1564,19 +1586,19 @@ Common Report Var(flag_peephole2) Optimization Enable an RTL peephole pass before sched2 fPIC -Common Report Var(flag_pic,2) +Common Report Var(flag_pic,2) Negative(fPIE) Generate position-independent code if possible (large mode) fPIE -Common Report Var(flag_pie,2) +Common Report Var(flag_pie,2) Negative(fpic) Generate position-independent code for executables if possible (large mode) fpic -Common Report Var(flag_pic,1) +Common Report Var(flag_pic,1) Negative(fpie) Generate position-independent code if possible (small mode) fpie -Common Report Var(flag_pie,1) +Common Report Var(flag_pie,1) Negative(fPIC) Generate position-independent code for executables if possible (small mode) fplugin= @@ -1632,6 +1654,10 @@ fprofile-values Common Report Var(flag_profile_values) Insert code to profile values of expressions +fprofile-report +Common Report Var(profile_report) +Report on consistency of profile + frandom-seed Common Var(common_deferred_options) Defer @@ -2170,6 +2196,10 @@ fvar-tracking-assignments-toggle Common Report Var(flag_var_tracking_assignments_toggle) Optimization Toggle -fvar-tracking-assignments +; Positive if we should track uninitialized variables, negative if +; we should run the var-tracking pass only to discard debug +; annotations. When flag_var_tracking_uninit == AUTODETECT_VALUE it +; will be set according to flag_var_tracking. fvar-tracking-uninit Common Report Var(flag_var_tracking_uninit) Optimization Perform variable tracking and also tag variables that are uninitialized @@ -2178,6 +2208,10 @@ ftree-vectorize Common Report Var(flag_tree_vectorize) Optimization Enable loop vectorization on trees +ftree-vectorizer-verbose= +Common RejectNegative Joined UInteger Var(common_deferred_options) Defer +-ftree-vectorizer-verbose= This switch is deprecated. Use -fopt-info instead. + ftree-slp-vectorize Common Report Var(flag_tree_slp_vectorize) Init(2) Optimization Enable basic block vectorization (SLP) on trees @@ -2190,10 +2224,6 @@ ftree-vect-loop-version Common Report Var(flag_tree_vect_loop_version) Init(1) Optimization Enable loop versioning when doing loop vectorization on trees -ftree-vectorizer-verbose= -Common RejectNegative Joined UInteger --ftree-vectorizer-verbose= Set the verbosity level of the vectorizer - ftree-scev-cprop Common Report Var(flag_tree_scev_cprop) Init(1) Optimization Enable copy propagation of scalar-evolution information. @@ -2283,6 +2313,14 @@ grecord-gcc-switches Common RejectNegative Var(dwarf_record_gcc_switches,1) Record gcc command line switches in DWARF DW_AT_producer. +gno-split-dwarf +Common Driver RejectNegative Var(dwarf_split_debug_info,0) Init(0) +Don't generate debug information in separate .dwo files + +gsplit-dwarf +Common Driver RejectNegative Var(dwarf_split_debug_info,1) +Generate debug information in separate .dwo files + gstabs Common JoinedOrMissing Negative(gstabs+) Generate debug information in STABS format @@ -2322,6 +2360,10 @@ iplugindir= Common Joined Var(plugindir_string) Init(0) -iplugindir= Set to be the default plugin directory +imultiarch +Common Joined Separate RejectDriver Var(imultiarch) Init(0) +-imultiarch Set to be the multiarch include subdirectory + l Driver Joined Separate @@ -2378,6 +2420,9 @@ Driver Var(print_multi_lib) print-multi-os-directory Driver Var(print_multi_os_directory) + +print-multiarch +Driver Var(print_multiarch) print-prog-name= Driver JoinedOrMissing Var(print_prog_name) @@ -2471,6 +2516,9 @@ static-libgo Driver ; Documented for Go, but always accepted by driver. +static-libasan +Driver + symbolic Driver