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VST2 four-register w/ update pseudos for fixed/register update. 

rdar://10724489

llvm-svn: 148560
This commit is contained in:
Jim Grosbach 2012-01-20 19:16:00 +00:00
parent 9652adf2af
commit 90f5780fc1
2 changed files with 24 additions and 6 deletions
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21
llvm/lib/Target/ARM/ARMInstrNEON.td
View File

@ -1409,6 +1409,15 @@ class VSTQQWBPseudo<InstrItinClass itin>
: PseudoNLdSt<(outs GPR:$wb),
(ins addrmode6:$addr, am6offset:$offset, QQPR:$src), itin,
"$addr.addr = $wb">;
class VSTQQWBfixedPseudo<InstrItinClass itin>
: PseudoNLdSt<(outs GPR:$wb),
(ins addrmode6:$addr, QQPR:$src), itin,
"$addr.addr = $wb">;
class VSTQQWBregisterPseudo<InstrItinClass itin>
: PseudoNLdSt<(outs GPR:$wb),
(ins addrmode6:$addr, rGPR:$offset, QQPR:$src), itin,
"$addr.addr = $wb">;
class VSTQQQQPseudo<InstrItinClass itin>
: PseudoNLdSt<(outs), (ins addrmode6:$addr, QQQQPR:$src), itin, "">;
class VSTQQQQWBPseudo<InstrItinClass itin>
@ -1680,12 +1689,12 @@ def VST2d8PseudoWB_register : VSTQWBregisterPseudo<IIC_VST2u>;
def VST2d16PseudoWB_register : VSTQWBregisterPseudo<IIC_VST2u>;
def VST2d32PseudoWB_register : VSTQWBregisterPseudo<IIC_VST2u>;
def VST2q8PseudoWB_fixed : VSTQQWBPseudo<IIC_VST2x2u>;
def VST2q16PseudoWB_fixed : VSTQQWBPseudo<IIC_VST2x2u>;
def VST2q32PseudoWB_fixed : VSTQQWBPseudo<IIC_VST2x2u>;
def VST2q8PseudoWB_register : VSTQQWBPseudo<IIC_VST2x2u>;
def VST2q16PseudoWB_register : VSTQQWBPseudo<IIC_VST2x2u>;
def VST2q32PseudoWB_register : VSTQQWBPseudo<IIC_VST2x2u>;
def VST2q8PseudoWB_fixed : VSTQQWBfixedPseudo<IIC_VST2x2u>;
def VST2q16PseudoWB_fixed : VSTQQWBfixedPseudo<IIC_VST2x2u>;
def VST2q32PseudoWB_fixed : VSTQQWBfixedPseudo<IIC_VST2x2u>;
def VST2q8PseudoWB_register : VSTQQWBregisterPseudo<IIC_VST2x2u>;
def VST2q16PseudoWB_register : VSTQQWBregisterPseudo<IIC_VST2x2u>;
def VST2q32PseudoWB_register : VSTQQWBregisterPseudo<IIC_VST2x2u>;
// ...with double-spaced registers
def VST2b8 : VST2<0b1001, {0,0,?,?}, "8", VecListTwoQ, IIC_VST2>;

9
llvm/test/CodeGen/ARM/vst2.ll
View File

@ -119,6 +119,15 @@ define i8* @vst2update(i8* %out, <4 x i16>* %B) nounwind {
ret i8* %t5
}
define i8* @vst2update2(i8 * %out, <4 x float> * %this) nounwind optsize ssp align 2 {
;CHECK: vst2update2
;CHECK: vst2.32 {d16, d17, d18, d19}, [r0]!
%tmp1 = load <4 x float>* %this
call void @llvm.arm.neon.vst2.v4f32(i8* %out, <4 x float> %tmp1, <4 x float> %tmp1, i32 4) nounwind
%tmp2 = getelementptr inbounds i8* %out, i32 32
ret i8* %tmp2
}
declare void @llvm.arm.neon.vst2.v8i8(i8*, <8 x i8>, <8 x i8>, i32) nounwind
declare void @llvm.arm.neon.vst2.v4i16(i8*, <4 x i16>, <4 x i16>, i32) nounwind
declare void @llvm.arm.neon.vst2.v2i32(i8*, <2 x i32>, <2 x i32>, i32) nounwind