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vmov of immediates are trivially re-materializable.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103982 91177308-0d34-0410-b5e6-96231b3b80d8
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Evan Cheng 2010-05-17 21:54:50 +00:00
parent 648ac5153e
commit 47006be498
1 changed files with 2 additions and 0 deletions
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lib/Target/ARM/ARMInstrNEON.td
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@ -2862,6 +2862,7 @@ def vmovImm64 : PatLeaf<(build_vector), [{
// Note: Some of the cmode bits in the following VMOV instructions need to
// be encoded based on the immed values.
let isReMaterializable = 1 in {
def VMOVv8i8 : N1ModImm<1, 0b000, 0b1110, 0, 0, 0, 1, (outs DPR:$dst),
(ins h8imm:$SIMM), IIC_VMOVImm,
"vmov", "i8", "$dst, $SIMM", "",
@ -2897,6 +2898,7 @@ def VMOVv2i64 : N1ModImm<1, 0b000, 0b1110, 0, 1, 1, 1, (outs QPR:$dst),
(ins h64imm:$SIMM), IIC_VMOVImm,
"vmov", "i64", "$dst, $SIMM", "",
[(set QPR:$dst, (v2i64 vmovImm64:$SIMM))]>;
} // isReMaterializable
// VMOV : Vector Get Lane (move scalar to ARM core register)