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Add VLD1 instructions with address register writeback. 

llvm-svn: 99062
This commit is contained in:
Bob Wilson 2010-03-20 17:59:03 +00:00
parent 73fc06f60f
commit 496766cb56
1 changed files with 48 additions and 1 deletions
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49
llvm/lib/Target/ARM/ARMInstrNEON.td
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@ -159,6 +159,33 @@ def VLD1q32 : VLD1Q<0b1000, "32", v4i32>;
def VLD1qf : VLD1Q<0b1000, "32", v4f32>;
def VLD1q64 : VLD1Q<0b1100, "64", v2i64>;
let mayLoad = 1 in {
// ...with address register writeback:
class VLD1DWB<bits<4> op7_4, string Dt>
: NLdSt<0,0b10,0b0111,op7_4, (outs DPR:$dst, GPR:$wb),
(ins addrmode6:$addr), IIC_VLD1,
"vld1", Dt, "\\{$dst\\}, $addr",
"$addr.addr = $wb", []>;
class VLD1QWB<bits<4> op7_4, string Dt>
: NLdSt<0,0b10,0b1010,op7_4, (outs QPR:$dst, GPR:$wb),
(ins addrmode6:$addr), IIC_VLD1,
"vld1", Dt, "${dst:dregpair}, $addr",
"$addr.addr = $wb", []>;
def VLD1d8_UPD : VLD1DWB<0b0000, "8">;
def VLD1d16_UPD : VLD1DWB<0b0100, "16">;
def VLD1d32_UPD : VLD1DWB<0b1000, "32">;
def VLD1d64_UPD : VLD1DWB<0b1100, "64">;
def VLD1q8_UPD : VLD1QWB<0b0000, "8">;
def VLD1q16_UPD : VLD1QWB<0b0100, "16">;
def VLD1q32_UPD : VLD1QWB<0b1000, "32">;
def VLD1q64_UPD : VLD1QWB<0b1100, "64">;
} // mayLoad = 1
let mayLoad = 1, hasExtraDefRegAllocReq = 1 in {
// These (dreg triple/quadruple) are for disassembly only.
class VLD1D3<bits<4> op7_4, string Dt>
: NLdSt<0, 0b10, 0b0110, op7_4, (outs DPR:$dst1, DPR:$dst2, DPR:$dst3),
@ -181,8 +208,28 @@ def VLD1d16Q : VLD1D4<0b0100, "16">;
def VLD1d32Q : VLD1D4<0b1000, "32">;
//def VLD1d64Q : VLD1D4<0b1100, "64">;
// ...with address register writeback:
class VLD1D3WB<bits<4> op7_4, string Dt>
: NLdSt<0,0b10,0b0110,op7_4, (outs DPR:$dst1, DPR:$dst2, DPR:$dst3, GPR:$wb),
(ins addrmode6:$addr), IIC_VLD1, "vld1", Dt,
"\\{$dst1, $dst2, $dst3\\}, $addr", "$addr.addr = $wb",
[/* For disassembly only; pattern left blank */]>;
class VLD1D4WB<bits<4> op7_4, string Dt>
: NLdSt<0,0b10,0b0010,op7_4,
(outs DPR:$dst1, DPR:$dst2, DPR:$dst3, DPR:$dst4, GPR:$wb),
(ins addrmode6:$addr), IIC_VLD1, "vld1", Dt,
"\\{$dst1, $dst2, $dst3, $dst4\\}, $addr", "$addr.addr = $wb",
[/* For disassembly only; pattern left blank */]>;
let mayLoad = 1, hasExtraDefRegAllocReq = 1 in {
def VLD1d8T_UPD : VLD1D3WB<0b0000, "8">;
def VLD1d16T_UPD : VLD1D3WB<0b0100, "16">;
def VLD1d32T_UPD : VLD1D3WB<0b1000, "32">;
// VLD1d64T_UPD : implemented as VLD3d64_UPD
def VLD1d8Q_UPD : VLD1D4WB<0b0000, "8">;
def VLD1d16Q_UPD : VLD1D4WB<0b0100, "16">;
def VLD1d32Q_UPD : VLD1D4WB<0b1000, "32">;
// VLD1d64Q_UPD : implemented as VLD4d64_UPD
// VLD2 : Vector Load (multiple 2-element structures)
class VLD2D<bits<4> op7_4, string Dt>