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Implement floating point constants
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30704 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -61,6 +61,9 @@ ARMTargetLowering::ARMTargetLowering(TargetMachine &TM)
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setOperationAction(ISD::VASTART, MVT::Other, Custom);
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setOperationAction(ISD::VAEND, MVT::Other, Expand);
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setOperationAction(ISD::ConstantFP, MVT::f64, Expand);
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setOperationAction(ISD::ConstantFP, MVT::f32, Expand);
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setSchedulingPreference(SchedulingForRegPressure);
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computeRegisterProperties();
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}
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@ -100,6 +100,10 @@ def ldr : InstARM<(ops IntRegs:$dst, memri:$addr),
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"ldr $dst, $addr",
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[(set IntRegs:$dst, (load iaddr:$addr))]>;
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def FLDS : InstARM<(ops FPRegs:$dst, IntRegs:$addr),
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"flds $dst, $addr",
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[(set FPRegs:$dst, (load IntRegs:$addr))]>;
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def str : InstARM<(ops IntRegs:$src, memri:$addr),
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"str $src, $addr",
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[(store IntRegs:$src, iaddr:$addr)]>;
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@ -28,3 +28,7 @@ mov r1, r1, lsl r2
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add r0, r1, r0
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----------------------------------------------------------
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add an offset to FLDS addressing mode
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----------------------------------------------------------
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@ -3,7 +3,9 @@
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; RUN: llvm-as < %s | llc -march=arm | grep fsitos &&
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; RUN: llvm-as < %s | llc -march=arm | grep fmrs &&
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; RUN: llvm-as < %s | llc -march=arm | grep fsitod &&
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; RUN: llvm-as < %s | llc -march=arm | grep fmrrd
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; RUN: llvm-as < %s | llc -march=arm | grep fmrrd &&
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; RUN: llvm-as < %s | llc -march=arm | grep flds &&
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; RUN: llvm-as < %s | llc -march=arm | grep ".word.*1065353216"
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float %f(int %a) {
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entry:
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@ -16,3 +18,8 @@ entry:
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%tmp = cast int %a to double ; <double> [#uses=1]
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ret double %tmp
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}
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float %h() {
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entry:
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ret float 1.000000e+00
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}
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