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Add support for the abs64 SPARC v9 code model.

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For when 16 TB just isn't enough.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179474 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jakob Stoklund Olesen 2013-04-14 05:10:36 +00:00
parent 87ce01739b
commit 618eda7a60
3 changed files with 29 additions and 0 deletions
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9
lib/Target/Sparc/SparcISelLowering.cpp
View File

@ -1410,14 +1410,23 @@ SDValue SparcTargetLowering::makeAddress(SDValue Op, SelectionDAG &DAG) const {
default:
llvm_unreachable("Unsupported absolute code model");
case CodeModel::Small:
// abs32.
return makeHiLoPair(Op, SPII::MO_HI, SPII::MO_LO, DAG);
case CodeModel::Medium: {
// abs44.
SDValue H44 = makeHiLoPair(Op, SPII::MO_H44, SPII::MO_M44, DAG);
H44 = DAG.getNode(ISD::SHL, DL, VT, H44, DAG.getIntPtrConstant(12));
SDValue L44 = withTargetFlags(Op, SPII::MO_L44, DAG);
L44 = DAG.getNode(SPISD::Lo, DL, VT, L44);
return DAG.getNode(ISD::ADD, DL, VT, H44, L44);
}
case CodeModel::Large: {
// abs64.
SDValue Hi = makeHiLoPair(Op, SPII::MO_HH, SPII::MO_HM, DAG);
Hi = DAG.getNode(ISD::SHL, DL, VT, Hi, DAG.getIntPtrConstant(32));
SDValue Lo = makeHiLoPair(Op, SPII::MO_HI, SPII::MO_LO, DAG);
return DAG.getNode(ISD::ADD, DL, VT, Hi, Lo);
}
}
}

10
test/CodeGen/SPARC/constpool.ll
View File

@ -1,6 +1,7 @@
; RUN: llc < %s -march=sparc -relocation-model=static -code-model=small | FileCheck --check-prefix=abs32 %s
; RUN: llc < %s -march=sparcv9 -relocation-model=static -code-model=small | FileCheck --check-prefix=abs32 %s
; RUN: llc < %s -march=sparcv9 -relocation-model=static -code-model=medium | FileCheck --check-prefix=abs44 %s
; RUN: llc < %s -march=sparcv9 -relocation-model=static -code-model=large | FileCheck --check-prefix=abs64 %s
; RUN: llc < %s -march=sparc -relocation-model=pic -code-model=medium | FileCheck --check-prefix=v8pic32 %s
; RUN: llc < %s -march=sparcv9 -relocation-model=pic -code-model=medium | FileCheck --check-prefix=v9pic32 %s
@ -21,6 +22,15 @@ entry:
; abs44: ld [%[[R3]]+%l44(.LCPI0_0)], %f1
; abs44: jmp %i7+8
; abs64: floatCP
; abs64: sethi %hi(.LCPI0_0), %[[R1:[gilo][0-7]]]
; abs64: add %[[R1]], %lo(.LCPI0_0), %[[R2:[gilo][0-7]]]
; abs64: sethi %hh(.LCPI0_0), %[[R3:[gilo][0-7]]]
; abs64: add %[[R3]], %hm(.LCPI0_0), %[[R4:[gilo][0-7]]]
; abs64: sllx %[[R4]], 32, %[[R5:[gilo][0-7]]]
; abs64: ld [%[[R5]]+%[[R2]]], %f1
; abs64: jmp %i7+8
; v8pic32: floatCP
; v8pic32: _GLOBAL_OFFSET_TABLE_
; v8pic32: sethi %hi(.LCPI0_0), %[[R1:[gilo][0-7]]]

10
test/CodeGen/SPARC/globals.ll
View File

@ -1,6 +1,7 @@
; RUN: llc < %s -march=sparc -relocation-model=static -code-model=small | FileCheck --check-prefix=abs32 %s
; RUN: llc < %s -march=sparcv9 -relocation-model=static -code-model=small | FileCheck --check-prefix=abs32 %s
; RUN: llc < %s -march=sparcv9 -relocation-model=static -code-model=medium | FileCheck --check-prefix=abs44 %s
; RUN: llc < %s -march=sparcv9 -relocation-model=static -code-model=large | FileCheck --check-prefix=abs64 %s
; RUN: llc < %s -march=sparc -relocation-model=pic -code-model=medium | FileCheck --check-prefix=v8pic32 %s
; RUN: llc < %s -march=sparcv9 -relocation-model=pic -code-model=medium | FileCheck --check-prefix=v9pic32 %s
@ -23,6 +24,15 @@ define zeroext i8 @loadG() {
; abs44: ldub [%[[R3]]+%l44(G)], %i0
; abs44: jmp %i7+8
; abs64: loadG
; abs64: sethi %hi(G), %[[R1:[gilo][0-7]]]
; abs64: add %[[R1]], %lo(G), %[[R2:[gilo][0-7]]]
; abs64: sethi %hh(G), %[[R3:[gilo][0-7]]]
; abs64: add %[[R3]], %hm(G), %[[R4:[gilo][0-7]]]
; abs64: sllx %[[R4]], 32, %[[R5:[gilo][0-7]]]
; abs64: ldub [%[[R5]]+%[[R2]]], %i0
; abs64: jmp %i7+8
; v8pic32: loadG
; v8pic32: _GLOBAL_OFFSET_TABLE_
; v8pic32: sethi %hi(G), %[[R1:[gilo][0-7]]]