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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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30
include/llvm/CodeGen/RuntimeLibcalls.h
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@@ -247,6 +247,36 @@ namespace RTLIB {
// EXCEPTION HANDLING
UNWIND_RESUME,
// Family ATOMICs
SYNC_VAL_COMPARE_AND_SWAP_1,
SYNC_VAL_COMPARE_AND_SWAP_2,
SYNC_VAL_COMPARE_AND_SWAP_4,
SYNC_VAL_COMPARE_AND_SWAP_8,
SYNC_FETCH_AND_ADD_1,
SYNC_FETCH_AND_ADD_2,
SYNC_FETCH_AND_ADD_4,
SYNC_FETCH_AND_ADD_8,
SYNC_FETCH_AND_SUB_1,
SYNC_FETCH_AND_SUB_2,
SYNC_FETCH_AND_SUB_4,
SYNC_FETCH_AND_SUB_8,
SYNC_FETCH_AND_AND_1,
SYNC_FETCH_AND_AND_2,
SYNC_FETCH_AND_AND_4,
SYNC_FETCH_AND_AND_8,
SYNC_FETCH_AND_OR_1,
SYNC_FETCH_AND_OR_2,
SYNC_FETCH_AND_OR_4,
SYNC_FETCH_AND_OR_8,
SYNC_FETCH_AND_XOR_1,
SYNC_FETCH_AND_XOR_2,
SYNC_FETCH_AND_XOR_4,
SYNC_FETCH_AND_XOR_8,
SYNC_FETCH_AND_NAND_1,
SYNC_FETCH_AND_NAND_2,
SYNC_FETCH_AND_NAND_4,
SYNC_FETCH_AND_NAND_8,
UNKNOWN_LIBCALL
};