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| author | Amara Emerson <amara.emerson@arm.com> | 2013-09-26 12:22:36 +0000 |
|---|---|---|
| committer | Amara Emerson <amara.emerson@arm.com> | 2013-09-26 12:22:36 +0000 |
| commit | 268c743a3ba44ada364938bc5ff9b1be219df54f (patch) | |
| tree | b0799bffe0832dde28ca1d63bf033ec1c22101f2 /lib/Target/ARM/ARMInstrThumb2.td | |
| parent | 9637da60835a60f8ccd8289d04c60b2dcd4b9b5a (diff) | |
| download | llvm-268c743a3ba44ada364938bc5ff9b1be219df54f.tar.gz llvm-268c743a3ba44ada364938bc5ff9b1be219df54f.tar.bz2 llvm-268c743a3ba44ada364938bc5ff9b1be219df54f.tar.xz | |
[ARM] Use the load-acquire/store-release instructions optimally in AArch32.
Patch by Artyom Skrobov.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@191428 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/ARM/ARMInstrThumb2.td')
| -rw-r--r-- | lib/Target/ARM/ARMInstrThumb2.td | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/lib/Target/ARM/ARMInstrThumb2.td b/lib/Target/ARM/ARMInstrThumb2.td index fcc8f867d2..07baf2d8ae 100644 --- a/lib/Target/ARM/ARMInstrThumb2.td +++ b/lib/Target/ARM/ARMInstrThumb2.td @@ -4216,6 +4216,15 @@ def : T2Pat<(atomic_store_32 t2addrmode_negimm8:$addr, GPR:$val), def : T2Pat<(atomic_store_32 t2addrmode_so_reg:$addr, GPR:$val), (t2STRs GPR:$val, t2addrmode_so_reg:$addr)>; +let AddedComplexity = 8 in { + def : T2Pat<(atomic_load_acquire_8 addr_offset_none:$addr), (t2LDAB addr_offset_none:$addr)>; + def : T2Pat<(atomic_load_acquire_16 addr_offset_none:$addr), (t2LDAH addr_offset_none:$addr)>; + def : T2Pat<(atomic_load_acquire_32 addr_offset_none:$addr), (t2LDA addr_offset_none:$addr)>; + def : T2Pat<(atomic_store_release_8 addr_offset_none:$addr, GPR:$val), (t2STLB GPR:$val, addr_offset_none:$addr)>; + def : T2Pat<(atomic_store_release_16 addr_offset_none:$addr, GPR:$val), (t2STLH GPR:$val, addr_offset_none:$addr)>; + def : T2Pat<(atomic_store_release_32 addr_offset_none:$addr, GPR:$val), (t2STL GPR:$val, addr_offset_none:$addr)>; +} + //===----------------------------------------------------------------------===// // Assembler aliases |