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| author | Richard Barton <richard.barton@arm.com> | 2012-05-02 09:43:18 +0000 |
|---|---|---|
| committer | Richard Barton <richard.barton@arm.com> | 2012-05-02 09:43:18 +0000 |
| commit | 0fc56890bafbc244f8b48b81f2cd9d50326637e9 (patch) | |
| tree | f0225bf1093b87e9690a0508e67bca4ffd4f2bd4 /llvm/lib/Target/ARM | |
| parent | c73bc39c22d6e9401f7e2c82c6d51e891cf875dd (diff) | |
| download | bcm5719-llvm-0fc56890bafbc244f8b48b81f2cd9d50326637e9.tar.gz bcm5719-llvm-0fc56890bafbc244f8b48b81f2cd9d50326637e9.zip | |
Disallow YIELD and other allocated nop hints in pre-ARMv6 architectures.
llvm-svn: 155983
Diffstat (limited to 'llvm/lib/Target/ARM')
| -rw-r--r-- | llvm/lib/Target/ARM/ARMInstrThumb.td | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/llvm/lib/Target/ARM/ARMInstrThumb.td b/llvm/lib/Target/ARM/ARMInstrThumb.td index 15cb9fa5d2b..fe553c21502 100644 --- a/llvm/lib/Target/ARM/ARMInstrThumb.td +++ b/llvm/lib/Target/ARM/ARMInstrThumb.td @@ -258,16 +258,20 @@ def tNOP : T1pI<(outs), (ins), NoItinerary, "nop", "", []>, Requires<[IsThumb2]>; def tYIELD : T1pI<(outs), (ins), NoItinerary, "yield", "", []>, - T1SystemEncoding<0x10>; // A8.6.410 + T1SystemEncoding<0x10>, // A8.6.410 + Requires<[IsThumb2]>; def tWFE : T1pI<(outs), (ins), NoItinerary, "wfe", "", []>, - T1SystemEncoding<0x20>; // A8.6.408 + T1SystemEncoding<0x20>, // A8.6.408 + Requires<[IsThumb2]>; def tWFI : T1pI<(outs), (ins), NoItinerary, "wfi", "", []>, - T1SystemEncoding<0x30>; // A8.6.409 + T1SystemEncoding<0x30>, // A8.6.409 + Requires<[IsThumb2]>; def tSEV : T1pI<(outs), (ins), NoItinerary, "sev", "", []>, - T1SystemEncoding<0x40>; // A8.6.157 + T1SystemEncoding<0x40>, // A8.6.157 + Requires<[IsThumb2]>; // The imm operand $val can be used by a debugger to store more information // about the breakpoint. |
