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Add support for MMX VSETCC.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76713 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Eli Friedman 2009-07-22 01:06:52 +00:00
parent 5292588ad4
commit 3dae284f5e
2 changed files with 33 additions and 0 deletions
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6
lib/Target/X86/X86ISelLowering.cpp
View File

@ -640,6 +640,9 @@ X86TargetLowering::X86TargetLowering(X86TargetMachine &TM)
setOperationAction(ISD::SELECT, MVT::v4i16, Promote);
setOperationAction(ISD::SELECT, MVT::v2i32, Promote);
setOperationAction(ISD::SELECT, MVT::v1i64, Custom);
setOperationAction(ISD::VSETCC, MVT::v8i8, Custom);
setOperationAction(ISD::VSETCC, MVT::v4i16, Custom);
setOperationAction(ISD::VSETCC, MVT::v2i32, Custom);
}
if (!UseSoftFloat && Subtarget->hasSSE1()) {
@ -5482,8 +5485,11 @@ SDValue X86TargetLowering::LowerVSETCC(SDValue Op, SelectionDAG &DAG) {
switch (VT.getSimpleVT()) {
default: break;
case MVT::v8i8:
case MVT::v16i8: EQOpc = X86ISD::PCMPEQB; GTOpc = X86ISD::PCMPGTB; break;
case MVT::v4i16:
case MVT::v8i16: EQOpc = X86ISD::PCMPEQW; GTOpc = X86ISD::PCMPGTW; break;
case MVT::v2i32:
case MVT::v4i32: EQOpc = X86ISD::PCMPEQD; GTOpc = X86ISD::PCMPGTD; break;
case MVT::v2i64: EQOpc = X86ISD::PCMPEQQ; GTOpc = X86ISD::PCMPGTQ; break;
}

27
lib/Target/X86/X86InstrMMX.td
View File

@ -657,6 +657,33 @@ def : Pat<(v8i8 (bitconvert (i64 (vector_extract (v2i64 VR128:$src),
(iPTR 0))))),
(v8i8 (MMX_MOVDQ2Qrr VR128:$src))>;
// Patterns for vector comparisons
def : Pat<(v8i8 (X86pcmpeqb VR64:$src1, VR64:$src2)),
(MMX_PCMPEQBrr VR64:$src1, VR64:$src2)>;
def : Pat<(v8i8 (X86pcmpeqb VR64:$src1, (bitconvert (load_mmx addr:$src2)))),
(MMX_PCMPEQBrm VR64:$src1, addr:$src2)>;
def : Pat<(v4i16 (X86pcmpeqw VR64:$src1, VR64:$src2)),
(MMX_PCMPEQWrr VR64:$src1, VR64:$src2)>;
def : Pat<(v4i16 (X86pcmpeqw VR64:$src1, (bitconvert (load_mmx addr:$src2)))),
(MMX_PCMPEQWrm VR64:$src1, addr:$src2)>;
def : Pat<(v2i32 (X86pcmpeqd VR64:$src1, VR64:$src2)),
(MMX_PCMPEQDrr VR64:$src1, VR64:$src2)>;
def : Pat<(v2i32 (X86pcmpeqd VR64:$src1, (bitconvert (load_mmx addr:$src2)))),
(MMX_PCMPEQDrm VR64:$src1, addr:$src2)>;
def : Pat<(v8i8 (X86pcmpgtb VR64:$src1, VR64:$src2)),
(MMX_PCMPGTBrr VR64:$src1, VR64:$src2)>;
def : Pat<(v8i8 (X86pcmpgtb VR64:$src1, (bitconvert (load_mmx addr:$src2)))),
(MMX_PCMPGTBrm VR64:$src1, addr:$src2)>;
def : Pat<(v4i16 (X86pcmpgtw VR64:$src1, VR64:$src2)),
(MMX_PCMPGTWrr VR64:$src1, VR64:$src2)>;
def : Pat<(v4i16 (X86pcmpgtw VR64:$src1, (bitconvert (load_mmx addr:$src2)))),
(MMX_PCMPGTWrm VR64:$src1, addr:$src2)>;
def : Pat<(v2i32 (X86pcmpgtd VR64:$src1, VR64:$src2)),
(MMX_PCMPGTDrr VR64:$src1, VR64:$src2)>;
def : Pat<(v2i32 (X86pcmpgtd VR64:$src1, (bitconvert (load_mmx addr:$src2)))),
(MMX_PCMPGTDrm VR64:$src1, addr:$src2)>;
// CMOV* - Used to implement the SELECT DAG operation. Expanded by the
// scheduler into a branch sequence.
// These are expanded by the scheduler.