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| author | Chad Rosier <mcrosier@apple.com> | 2011-12-06 01:44:17 +0000 |
|---|---|---|
| committer | Chad Rosier <mcrosier@apple.com> | 2011-12-06 01:44:17 +0000 |
| commit | ed42c5f778dd0128429e4feffe2c028b2352b534 (patch) | |
| tree | 0618ffc7b8db2b75c0a6e75c4962d0abdd9169c4 /lib | |
| parent | 3e572ac2fbdf6aa538500be07b9b050ac008669e (diff) | |
| download | external_llvm-ed42c5f778dd0128429e4feffe2c028b2352b534.zip external_llvm-ed42c5f778dd0128429e4feffe2c028b2352b534.tar.gz external_llvm-ed42c5f778dd0128429e4feffe2c028b2352b534.tar.bz2 | |
[arm-fast-isel] Doublewords only require word-alignment.
rdar://10528060
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145891 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/Target/ARM/ARMFastISel.cpp | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/lib/Target/ARM/ARMFastISel.cpp b/lib/Target/ARM/ARMFastISel.cpp index ea03fb7..de366f7 100644 --- a/lib/Target/ARM/ARMFastISel.cpp +++ b/lib/Target/ARM/ARMFastISel.cpp @@ -1106,7 +1106,7 @@ bool ARMFastISel::ARMEmitStore(EVT VT, unsigned SrcReg, Address &Addr, case MVT::f32: if (!Subtarget->hasVFP2()) return false; StrOpc = ARM::VSTRS; - // Unaligned stores need special handling. + // Unaligned stores need special handling. Floats require word-alignment. if (Alignment && Alignment < 4) { unsigned MoveReg = createResultReg(TLI.getRegClassFor(MVT::i32)); AddOptionalDefs(BuildMI(*FuncInfo.MBB, FuncInfo.InsertPt, DL, @@ -1119,8 +1119,9 @@ bool ARMFastISel::ARMEmitStore(EVT VT, unsigned SrcReg, Address &Addr, break; case MVT::f64: if (!Subtarget->hasVFP2()) return false; - // FIXME: Unaligned stores need special handling. - if (Alignment && Alignment < 8) { + // FIXME: Unaligned stores need special handling. Doublewords require + // word-alignment. + if (Alignment && Alignment < 4) { return false; } StrOpc = ARM::VSTRD; |