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[Driver][X86] Add helptext for malign-branch*, mbranches-within-32B-boundaries 

Differential Revision: https://reviews.llvm.org/D75017
This commit is contained in:
Shengchen Kan 2020-02-23 20:35:32 +08:00
parent 8b3a62dc98
commit 6a3506a208
1 changed files with 6 additions and 3 deletions
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9
clang/include/clang/Driver/Options.td
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@ -2166,10 +2166,13 @@ def mno_iamcu : Flag<["-"], "mno-iamcu">, Group<m_Group>, Flags<[DriverOption, C
def malign_functions_EQ : Joined<["-"], "malign-functions=">, Group<clang_ignored_m_Group>;
def malign_loops_EQ : Joined<["-"], "malign-loops=">, Group<clang_ignored_m_Group>;
def malign_jumps_EQ : Joined<["-"], "malign-jumps=">, Group<clang_ignored_m_Group>;
def malign_branch_EQ : CommaJoined<["-"], "malign-branch=">, Group<m_Group>;
def malign_branch_boundary_EQ : Joined<["-"], "malign-branch-boundary=">, Group<m_Group>;
def malign_branch_EQ : CommaJoined<["-"], "malign-branch=">, Group<m_Group>, Flags<[DriverOption]>,
HelpText<"Specify types of branches to align">;
def malign_branch_boundary_EQ : Joined<["-"], "malign-branch-boundary=">, Group<m_Group>, Flags<[DriverOption]>,
HelpText<"Specify the boundary's size to align branches">;
def malign_branch_prefix_size_EQ : Joined<["-"], "malign-branch-prefix-size=">, Group<m_Group>;
def mbranches_within_32B_boundaries : Flag<["-"], "mbranches-within-32B-boundaries">, Flags<[DriverOption]>, Group<m_Group>;
def mbranches_within_32B_boundaries : Flag<["-"], "mbranches-within-32B-boundaries">, Flags<[DriverOption]>, Group<m_Group>,
HelpText<"Align selected branches (fused, jcc, jmp) within 32-byte boundary">;
def mfancy_math_387 : Flag<["-"], "mfancy-math-387">, Group<clang_ignored_m_Group>;
def mlong_calls : Flag<["-"], "mlong-calls">, Group<m_Group>,
HelpText<"Generate branches with extended addressability, usually via indirect jumps.">;