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Use a second switch statement to reduce number of calls to SelectGather in code. Reduces code size a bit. 

llvm-svn: 159500
This commit is contained in:
Craig Topper 2012-07-01 02:05:52 +00:00
parent 98346f92f2
commit def044b974
1 changed files with 23 additions and 17 deletions
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40
llvm/lib/Target/X86/X86ISelDAGToDAG.cpp
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@ -1996,37 +1996,43 @@ SDNode *X86DAGToDAGISel::Select(SDNode *Node) {
switch (IntNo) {
default: break;
case Intrinsic::x86_avx2_gather_d_pd:
return SelectGather(Node, X86::VGATHERDPDrm);
case Intrinsic::x86_avx2_gather_d_pd_256:
return SelectGather(Node, X86::VGATHERDPDYrm);
case Intrinsic::x86_avx2_gather_q_pd:
return SelectGather(Node, X86::VGATHERQPDrm);
case Intrinsic::x86_avx2_gather_q_pd_256:
return SelectGather(Node, X86::VGATHERQPDYrm);
case Intrinsic::x86_avx2_gather_d_ps:
return SelectGather(Node, X86::VGATHERDPSrm);
case Intrinsic::x86_avx2_gather_d_ps_256:
return SelectGather(Node, X86::VGATHERDPSYrm);
case Intrinsic::x86_avx2_gather_q_ps:
return SelectGather(Node, X86::VGATHERQPSrm);
case Intrinsic::x86_avx2_gather_q_ps_256:
return SelectGather(Node, X86::VGATHERQPSYrm);
case Intrinsic::x86_avx2_gather_d_q:
return SelectGather(Node, X86::VPGATHERDQrm);
case Intrinsic::x86_avx2_gather_d_q_256:
return SelectGather(Node, X86::VPGATHERDQYrm);
case Intrinsic::x86_avx2_gather_q_q:
return SelectGather(Node, X86::VPGATHERQQrm);
case Intrinsic::x86_avx2_gather_q_q_256:
return SelectGather(Node, X86::VPGATHERQQYrm);
case Intrinsic::x86_avx2_gather_d_d:
return SelectGather(Node, X86::VPGATHERDDrm);
case Intrinsic::x86_avx2_gather_d_d_256:
return SelectGather(Node, X86::VPGATHERDDYrm);
case Intrinsic::x86_avx2_gather_q_d:
return SelectGather(Node, X86::VPGATHERQDrm);
case Intrinsic::x86_avx2_gather_q_d_256:
return SelectGather(Node, X86::VPGATHERQDYrm);
case Intrinsic::x86_avx2_gather_q_d_256: {
unsigned Opc;
switch (IntNo) {
default: llvm_unreachable("Impossible intrinsic.");
case Intrinsic::x86_avx2_gather_d_pd: Opc = X86::VGATHERDPDrm; break;
case Intrinsic::x86_avx2_gather_d_pd_256: Opc = X86::VGATHERDPDYrm; break;
case Intrinsic::x86_avx2_gather_q_pd: Opc = X86::VGATHERQPDrm; break;
case Intrinsic::x86_avx2_gather_q_pd_256: Opc = X86::VGATHERQPDYrm; break;
case Intrinsic::x86_avx2_gather_d_ps: Opc = X86::VGATHERDPSrm; break;
case Intrinsic::x86_avx2_gather_d_ps_256: Opc = X86::VGATHERDPSYrm; break;
case Intrinsic::x86_avx2_gather_q_ps: Opc = X86::VGATHERQPSrm; break;
case Intrinsic::x86_avx2_gather_q_ps_256: Opc = X86::VGATHERQPSYrm; break;
case Intrinsic::x86_avx2_gather_d_q: Opc = X86::VPGATHERDQrm; break;
case Intrinsic::x86_avx2_gather_d_q_256: Opc = X86::VPGATHERDQYrm; break;
case Intrinsic::x86_avx2_gather_q_q: Opc = X86::VPGATHERQQrm; break;
case Intrinsic::x86_avx2_gather_q_q_256: Opc = X86::VPGATHERQQYrm; break;
case Intrinsic::x86_avx2_gather_d_d: Opc = X86::VPGATHERDDrm; break;
case Intrinsic::x86_avx2_gather_d_d_256: Opc = X86::VPGATHERDDYrm; break;
case Intrinsic::x86_avx2_gather_q_d: Opc = X86::VPGATHERQDrm; break;
case Intrinsic::x86_avx2_gather_q_d_256: Opc = X86::VPGATHERQDYrm; break;
}
return SelectGather(Node, Opc);
}
}
break;
}