IA MCU psABI support: changes to libraries

[gcc.git] / gcc / common.opt

diff --git a/gcc/common.opt b/gcc/common.opt
index 4fa12f5fa3813167312b0ad2c24e79bb8eb7859c..dd49ae31880e0e17681291a15ae26dcd99d60199 100644 (file)
--- a/gcc/common.opt
+++ b/gcc/common.opt
@@ -607,6 +607,10 @@ Woverflow
 Common Var(warn_overflow) Init(1) Warning
 Warn about overflow in arithmetic expressions
 
+Wlto-type-mismatch
+Common Var(warn_lto_type_mismatch) Init(1) Warning
+During link time optimization warn about mismatched types of global declarations
+
 Wpacked
 Common Var(warn_packed) Warning
 Warn when the packed attribute has no effect on struct layout
@@ -832,8 +836,11 @@ Driver Undocumented
 ;
 ; 8: The version of the ABI that corrects the substitution behavior of
 ;    function types with function-cv-qualifiers.
-;    First selectable in G++ 4.9 and default in G++ 5
-;    (set in c_common_post_options).
+;    First selectable in G++ 4.9 and default in G++ 5.
+;
+; 9: The version of the ABI that mangles attributes that affect type
+;    identity, such as ia32 calling convention attributes (stdcall, etc.)
+;    Default in G++ 6 (set in c_common_post_options).
 ;
 ; Additional positive integers will be assigned as new versions of
 ; the ABI become the default version of the ABI.
@@ -897,6 +904,11 @@ fasan-shadow-offset=
 Common Joined RejectNegative Var(common_deferred_options) Defer
 -fasan-shadow-offset=<number>  Use custom shadow memory offset.
 
+fsanitize-sections=
+Common Joined RejectNegative Var(common_deferred_options) Defer
+-fsanitize-sections=<sec1,sec2,...>    Sanitize global variables
+in user-defined sections.
+
 fsanitize-recover=
 Common Report Joined
 After diagnosing undefined behavior attempt to continue execution
@@ -906,7 +918,7 @@ Common Report
 This switch is deprecated; use -fsanitize-recover= instead
 
 fsanitize-undefined-trap-on-error
-Common Report Var(flag_sanitize_undefined_trap_on_error) Init(0)
+Common Driver Report Var(flag_sanitize_undefined_trap_on_error) Init(0)
 Use trap instead of a library function for undefined behavior sanitization
 
 fasynchronous-unwind-tables
@@ -1065,7 +1077,7 @@ Common Report Var(flag_delete_dead_exceptions) Init(0) Optimization
 Delete dead instructions that may throw exceptions
 
 fdelete-null-pointer-checks
-Common Report Var(flag_delete_null_pointer_checks) Init(1) Optimization
+Common Report Var(flag_delete_null_pointer_checks) Init(-1) Optimization
 Delete useless null pointer checks
 
 fdevirtualize-at-ltrans
@@ -1161,6 +1173,10 @@ Common Driver Var(flag_report_bug)
 Collect and dump debug information into temporary file if ICE in C/C++
 compiler occured.
 
+fdump-internal-locations
+Common Var(flag_dump_locations) Init(0)
+Dump detailed information on GCC's internal representation of source code locations
+
 fdump-passes
 Common Var(flag_dump_passes) Init(0)
 Dump optimization passes
@@ -1644,11 +1660,11 @@ Report on permanent memory allocation in WPA only
 ; string constants and constants from constant pool, if 2 also constant
 ; variables.
 fmerge-all-constants
-Common Report Var(flag_merge_constants,2) Init(1) Optimization
+Common Report Var(flag_merge_constants,2) Init(1)
 Attempt to merge identical constants and constant variables
 
 fmerge-constants
-Common Report Var(flag_merge_constants,1) Optimization
+Common Report Var(flag_merge_constants,1)
 Attempt to merge identical constants across compilation units
 
 fmerge-debug-strings
@@ -1765,7 +1781,7 @@ Common Report Var(flag_pic,2) Negative(fPIE)
 Generate position-independent code if possible (large mode)
 
 fPIE
-Common Report Var(flag_pie,2) Negative(fpic)
+Common Report Var(flag_pie,2) Negative(fpic) Init(-1)
 Generate position-independent code for executables if possible (large mode)
 
 fpic
@@ -1773,9 +1789,13 @@ Common Report Var(flag_pic,1) Negative(fpie)
 Generate position-independent code if possible (small mode)
 
 fpie
-Common Report Var(flag_pie,1) Negative(fPIC)
+Common Report Var(flag_pie,1) Negative(fPIC) Init(-1)
 Generate position-independent code for executables if possible (small mode)
 
+fplt
+Common Report Var(flag_plt) Init(1) Optimization
+Use PLT for PIC calls (-fno-plt: load the address from GOT at call site)
+
 fplugin=
 Common Joined RejectNegative Var(common_deferred_options) Defer
 Specify a plugin to load
@@ -2846,8 +2866,12 @@ Driver
 symbolic
 Driver
 
-pie
+no-pie
 Driver RejectNegative Negative(shared)
+Don't create a position independent executable
+
+pie
+Driver RejectNegative Negative(no-pie)
 Create a position independent executable
 
 z