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| author | Caroline Tice <cmtice@google.com> | 2018-01-29 13:36:52 -0800 |
|---|---|---|
| committer | Caroline Tice <cmtice@google.com> | 2018-01-29 22:19:21 +0000 |
| commit | d64d815b3af9d2653d924ea2e1ebb21ee8b043b7 (patch) | |
| tree | 41ddc808254fa6b40de6540413015909760ec306 /gcc-4.9/gcc/config/i386/i386.opt | |
| parent | 430f43829fa42b459ccbb53b44843c54c8ba4550 (diff) | |
| download | toolchain_gcc-d64d815b3af9d2653d924ea2e1ebb21ee8b043b7.tar.gz toolchain_gcc-d64d815b3af9d2653d924ea2e1ebb21ee8b043b7.tar.bz2 toolchain_gcc-d64d815b3af9d2653d924ea2e1ebb21ee8b043b7.zip | |
[GCC] Update with latest retpoline fixes from Intel.
Intel has updated their retpoline patches since we created our
original patch. This CL updates our retpoline changes to match
the latest from Intel.
Bug: None
Test: Tested extensively in ChromeOS. Built x86 platform & kernel
images in Android.
Change-Id: Id1a18cb1f1f4461832a017cb5c5d59e5400d9d08
Diffstat (limited to 'gcc-4.9/gcc/config/i386/i386.opt')
| -rw-r--r-- | gcc-4.9/gcc/config/i386/i386.opt | 22 |
1 files changed, 5 insertions, 17 deletions
diff --git a/gcc-4.9/gcc/config/i386/i386.opt b/gcc-4.9/gcc/config/i386/i386.opt index 3b4a86066..502037b68 100644 --- a/gcc-4.9/gcc/config/i386/i386.opt +++ b/gcc-4.9/gcc/config/i386/i386.opt @@ -797,11 +797,11 @@ 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) -Update indirect call and jump. +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) -Update function return. +Convert function return to call and return thunk. Enum Name(indirect_branch) Type(enum indirect_branch) @@ -819,18 +819,6 @@ 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-loop= -Target Report RejectNegative Joined Enum(indirect_branch_loop) Var(ix86_indirect_branch_loop) Undocumented Init(indirect_branch_loop_lfence) - -Enum -Name(indirect_branch_loop) Type(enum indirect_branch_loop) -Known loop choices (for use with the -mindirect-branch-loop= option): - -EnumValue -Enum(indirect_branch_loop) String(lfence) Value(indirect_branch_loop_lfence) - -EnumValue -Enum(indirect_branch_loop) String(pause) Value(indirect_branch_loop_pause) - -EnumValue -Enum(indirect_branch_loop) String(nop) Value(indirect_branch_loop_nop) +mindirect-branch-register +Target Report Var(ix86_indirect_branch_register) Init(0) +Force indirect call and jump via register. |