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| author | Johnny Chen <johnny.chen@apple.com> | 2010-03-04 22:24:41 +0000 |
|---|---|---|
| committer | Johnny Chen <johnny.chen@apple.com> | 2010-03-04 22:24:41 +0000 |
| commit | ece17975423c47eb644cb2268b57276667f7de1c (patch) | |
| tree | 2d6ee0016ed978b678675f126829874323456a6c /llvm/lib | |
| parent | 735b0ae2471af1ae5e8a168f60ebdc5e6936fb0a (diff) | |
| download | bcm5719-llvm-ece17975423c47eb644cb2268b57276667f7de1c.tar.gz bcm5719-llvm-ece17975423c47eb644cb2268b57276667f7de1c.zip | |
Drop the ".w" qualifier for t2UXTB16* instructions as there is no 16-bit version
of either sxtb16 or uxtb16, and the unified syntax does not specify ".w".
llvm-svn: 97760
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/Target/ARM/ARMInstrThumb2.td | 28 |
1 files changed, 27 insertions, 1 deletions
diff --git a/llvm/lib/Target/ARM/ARMInstrThumb2.td b/llvm/lib/Target/ARM/ARMInstrThumb2.td index eb3ed3bf30e..9f6822b6972 100644 --- a/llvm/lib/Target/ARM/ARMInstrThumb2.td +++ b/llvm/lib/Target/ARM/ARMInstrThumb2.td @@ -657,6 +657,32 @@ multiclass T2I_unary_rrot<bits<3> opcod, string opc, PatFrag opnode> { } } +// SXTB16 and UXTB16 do not need the .w qualifier. +multiclass T2I_unary_rrot_nw<bits<3> opcod, string opc, PatFrag opnode> { + def r : T2I<(outs GPR:$dst), (ins GPR:$src), IIC_iUNAr, + opc, "\t$dst, $src", + [(set GPR:$dst, (opnode GPR:$src))]> { + let Inst{31-27} = 0b11111; + let Inst{26-23} = 0b0100; + let Inst{22-20} = opcod; + let Inst{19-16} = 0b1111; // Rn + let Inst{15-12} = 0b1111; + let Inst{7} = 1; + let Inst{5-4} = 0b00; // rotate + } + def r_rot : T2I<(outs GPR:$dst), (ins GPR:$src, i32imm:$rot), IIC_iUNAsi, + opc, "\t$dst, $src, ror $rot", + [(set GPR:$dst, (opnode (rotr GPR:$src, rot_imm:$rot)))]> { + let Inst{31-27} = 0b11111; + let Inst{26-23} = 0b0100; + let Inst{22-20} = opcod; + let Inst{19-16} = 0b1111; // Rn + let Inst{15-12} = 0b1111; + let Inst{7} = 1; + let Inst{5-4} = {?,?}; // rotate + } +} + // DO variant - disassembly only, no pattern multiclass T2I_unary_rrot_DO<bits<3> opcod, string opc> { @@ -1260,7 +1286,7 @@ defm t2UXTB : T2I_unary_rrot<0b101, "uxtb", UnOpFrag<(and node:$Src, 0x000000FF)>>; defm t2UXTH : T2I_unary_rrot<0b001, "uxth", UnOpFrag<(and node:$Src, 0x0000FFFF)>>; -defm t2UXTB16 : T2I_unary_rrot<0b011, "uxtb16", +defm t2UXTB16 : T2I_unary_rrot_nw<0b011, "uxtb16", UnOpFrag<(and node:$Src, 0x00FF00FF)>>; def : T2Pat<(and (shl GPR:$Src, (i32 8)), 0xFF00FF), |
