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Add some comments to clarify the arguments to the vtbl and vtbx intrinsics.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78775 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Bob Wilson 2009-08-12 01:48:30 +00:00
parent c98c68777f
commit 394346ba3a
1 changed files with 4 additions and 0 deletions
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4
include/llvm/IntrinsicsARM.td
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@ -300,12 +300,16 @@ def int_arm_neon_vmovls : Neon_1Arg_Long_Intrinsic;
def int_arm_neon_vmovlu : Neon_1Arg_Long_Intrinsic;
// Vector Table Lookup.
// The first 1-4 arguments are the table.
def int_arm_neon_vtbl1 : Neon_Tbl2Arg_Intrinsic;
def int_arm_neon_vtbl2 : Neon_Tbl3Arg_Intrinsic;
def int_arm_neon_vtbl3 : Neon_Tbl4Arg_Intrinsic;
def int_arm_neon_vtbl4 : Neon_Tbl5Arg_Intrinsic;
// Vector Table Extension.
// Some elements of the destination vector may not be updated, so the original
// value of that vector is passed as the first argument. The next 1-4
// arguments after that are the table.
def int_arm_neon_vtbx1 : Neon_Tbl3Arg_Intrinsic;
def int_arm_neon_vtbx2 : Neon_Tbl4Arg_Intrinsic;
def int_arm_neon_vtbx3 : Neon_Tbl5Arg_Intrinsic;