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-rw-r--r--gcc-4.9/gcc/config/i386/i386.opt40
1 files changed, 28 insertions, 12 deletions
diff --git a/gcc-4.9/gcc/config/i386/i386.opt b/gcc-4.9/gcc/config/i386/i386.opt
index f64a9e1..502037b 100644
--- a/gcc-4.9/gcc/config/i386/i386.opt
+++ b/gcc-4.9/gcc/config/i386/i386.opt
@@ -781,18 +781,6 @@ mrtm
Target Report Mask(ISA_RTM) Var(ix86_isa_flags) Save
Support RTM built-in functions and code generation
-mpatch-functions-for-instrumentation
-Target RejectNegative Report Var(patch_functions_for_instrumentation) Save
-Patch function prologue and epilogue with custom NOPs for dynamic instrumentation. By default, functions with loops (controlled by -mpatch-functions-without-loop) or functions having instructions more than -mpatch-functions-min-instructions are patched.
-
-mpatch-functions-ignore-loops
-Target RejectNegative Report Var(patch_functions_ignore_loops) Save
-Ignore loops when deciding whether to patch a function for instrumentation (for use with -mpatch-functions-for-instrumentation).
-
-mno-patch-functions-main-always
-Target Report RejectNegative Var(patch_functions_dont_always_patch_main) Save
-Treat 'main' as any other function and only patch it if it meets the criteria for loops and minimum number of instructions (for use with -mpatch-functions-for-instrumentation).
-
mstack-protector-guard=
Target RejectNegative Joined Enum(stack_protector_guard) Var(ix86_stack_protector_guard) Init(SSP_TLS)
Use given stack-protector guard
@@ -806,3 +794,31 @@ Enum(stack_protector_guard) String(tls) Value(SSP_TLS)
EnumValue
Enum(stack_protector_guard) String(global) Value(SSP_GLOBAL)
+
+mindirect-branch=
+Target Report RejectNegative Joined Enum(indirect_branch) Var(ix86_indirect_branch) Init(indirect_branch_keep)
+Convert indirect call and jump to call and return thunks.
+
+mfunction-return=
+Target Report RejectNegative Joined Enum(indirect_branch) Var(ix86_function_return) Init(indirect_branch_keep)
+Convert function return to call and return thunk.
+
+Enum
+Name(indirect_branch) Type(enum indirect_branch)
+Known indirect branch choices (for use with the -mindirect-branch=/-mfunction-return= options):
+
+EnumValue
+Enum(indirect_branch) String(keep) Value(indirect_branch_keep)
+
+EnumValue
+Enum(indirect_branch) String(thunk) Value(indirect_branch_thunk)
+
+EnumValue
+Enum(indirect_branch) String(thunk-inline) Value(indirect_branch_thunk_inline)
+
+EnumValue
+Enum(indirect_branch) String(thunk-extern) Value(indirect_branch_thunk_extern)
+
+mindirect-branch-register
+Target Report Var(ix86_indirect_branch_register) Init(0)
+Force indirect call and jump via register.