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| author | Saleem Abdulrasool <compnerd@compnerd.org> | 2013-12-23 17:23:58 +0000 |
|---|---|---|
| committer | Saleem Abdulrasool <compnerd@compnerd.org> | 2013-12-23 17:23:58 +0000 |
| commit | 701875542d670e40e61390ccac08a6ed1de4d91f (patch) | |
| tree | 03b9ec5f35df5e6fcbf2f836d3f9bea1989bf338 /llvm/lib/Target/ARM/ARMInstrThumb.td | |
| parent | d32e3ef349fe1d78144948f174438287c4a63aa4 (diff) | |
| download | bcm5719-llvm-701875542d670e40e61390ccac08a6ed1de4d91f.tar.gz bcm5719-llvm-701875542d670e40e61390ccac08a6ed1de4d91f.zip | |
ARM: bkpt has an implicit immediate constant 0
The bkpt mnemonic has an implicit immediate constant of 0 unless otherwise
specified. Add an instruction alias for the unvalued breakpoint mnemonic to
treat it as a 0. This improves compatibility with GNU AS.
Signed-off-by: Saleem Abdulrasool <compnerd@compnerd.org>
llvm-svn: 197913
Diffstat (limited to 'llvm/lib/Target/ARM/ARMInstrThumb.td')
| -rw-r--r-- | llvm/lib/Target/ARM/ARMInstrThumb.td | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/llvm/lib/Target/ARM/ARMInstrThumb.td b/llvm/lib/Target/ARM/ARMInstrThumb.td index 250b3c6f2c6..f6d233a39c5 100644 --- a/llvm/lib/Target/ARM/ARMInstrThumb.td +++ b/llvm/lib/Target/ARM/ARMInstrThumb.td @@ -300,6 +300,8 @@ def tBKPT : T1I<(outs), (ins imm0_255:$val), NoItinerary, "bkpt\t$val", bits<8> val; let Inst{7-0} = val; } +// default immediate for breakpoint mnemonic +def : InstAlias<"bkpt", (tBKPT 0)>, Requires<[IsThumb]>; def tHLT : T1I<(outs), (ins imm0_63:$val), NoItinerary, "hlt\t$val", []>, T1Encoding<0b101110>, Requires<[IsThumb, HasV8]> { |
