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Add Expand-to-libcall support for additional atomics. This covers the usual

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entries used by llvm-gcc. *_[U]MIN and such can be added later if needed.

This enables the front ends to simplify handling of the atomic intrinsics by
removing the target-specific decision about which targets can handle the
intrinsics.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106321 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jim Grosbach
2010-06-18 21:43:38 +00:00
parent ebe99b2c19
commit e03262fcfc
3 changed files with 182 additions and 4 deletions
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28
lib/CodeGen/SelectionDAG/TargetLowering.cpp
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@@ -261,6 +261,34 @@ static void InitLibcallNames(const char **Names) {
Names[RTLIB::MEMMOVE] = "memmove";
Names[RTLIB::MEMSET] = "memset";
Names[RTLIB::UNWIND_RESUME] = "_Unwind_Resume";
Names[RTLIB::SYNC_VAL_COMPARE_AND_SWAP_1] = "__sync_val_compare_and_swap_1";
Names[RTLIB::SYNC_VAL_COMPARE_AND_SWAP_2] = "__sync_val_compare_and_swap_2";
Names[RTLIB::SYNC_VAL_COMPARE_AND_SWAP_4] = "__sync_val_compare_and_swap_4";
Names[RTLIB::SYNC_VAL_COMPARE_AND_SWAP_8] = "__sync_val_compare_and_swap_8";
Names[RTLIB::SYNC_FETCH_AND_ADD_1] = "__sync_fetch_and_add_1";
Names[RTLIB::SYNC_FETCH_AND_ADD_2] = "__sync_fetch_and_add_2";
Names[RTLIB::SYNC_FETCH_AND_ADD_4] = "__sync_fetch_and_add_4";
Names[RTLIB::SYNC_FETCH_AND_ADD_8] = "__sync_fetch_and_add_8";
Names[RTLIB::SYNC_FETCH_AND_SUB_1] = "__sync_fetch_and_sub_1";
Names[RTLIB::SYNC_FETCH_AND_SUB_2] = "__sync_fetch_and_sub_2";
Names[RTLIB::SYNC_FETCH_AND_SUB_4] = "__sync_fetch_and_sub_4";
Names[RTLIB::SYNC_FETCH_AND_SUB_8] = "__sync_fetch_and_sub_8";
Names[RTLIB::SYNC_FETCH_AND_AND_1] = "__sync_fetch_and_and_1";
Names[RTLIB::SYNC_FETCH_AND_AND_2] = "__sync_fetch_and_and_2";
Names[RTLIB::SYNC_FETCH_AND_AND_4] = "__sync_fetch_and_and_4";
Names[RTLIB::SYNC_FETCH_AND_AND_8] = "__sync_fetch_and_and_8";
Names[RTLIB::SYNC_FETCH_AND_OR_1] = "__sync_fetch_and_or_1";
Names[RTLIB::SYNC_FETCH_AND_OR_2] = "__sync_fetch_and_or_2";
Names[RTLIB::SYNC_FETCH_AND_OR_4] = "__sync_fetch_and_or_4";
Names[RTLIB::SYNC_FETCH_AND_OR_8] = "__sync_fetch_and_or_8";
Names[RTLIB::SYNC_FETCH_AND_XOR_1] = "__sync_fetch_and_xor_1";
Names[RTLIB::SYNC_FETCH_AND_XOR_2] = "__sync_fetch_and_xor_2";
Names[RTLIB::SYNC_FETCH_AND_XOR_4] = "__sync_fetch_and-xor_4";
Names[RTLIB::SYNC_FETCH_AND_XOR_8] = "__sync_fetch_and_xor_8";
Names[RTLIB::SYNC_FETCH_AND_NAND_1] = "__sync_fetch_and_nand_1";
Names[RTLIB::SYNC_FETCH_AND_NAND_2] = "__sync_fetch_and_nand_2";
Names[RTLIB::SYNC_FETCH_AND_NAND_4] = "__sync_fetch_and_nand_4";
Names[RTLIB::SYNC_FETCH_AND_NAND_8] = "__sync_fetch_and_nand_8";
}
/// InitLibcallCallingConvs - Set default libcall CallingConvs.