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author | Bob Wilson <bob.wilson@apple.com> | 2009-08-12 01:48:30 +0000 |
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committer | Bob Wilson <bob.wilson@apple.com> | 2009-08-12 01:48:30 +0000 |
commit | 394346ba3a67f85320f4dc121284b37502902f95 (patch) | |
tree | 191ff9111b8a99bc99d80d407425f1203371daed /include/llvm/IntrinsicsARM.td | |
parent | c98c68777f678c4d34d4b9e46b26b02910734963 (diff) | |
download | llvm-394346ba3a67f85320f4dc121284b37502902f95.tar.gz llvm-394346ba3a67f85320f4dc121284b37502902f95.tar.bz2 llvm-394346ba3a67f85320f4dc121284b37502902f95.tar.xz |
Add some comments to clarify the arguments to the vtbl and vtbx intrinsics.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78775 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'include/llvm/IntrinsicsARM.td')
-rw-r--r-- | include/llvm/IntrinsicsARM.td | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/include/llvm/IntrinsicsARM.td b/include/llvm/IntrinsicsARM.td index 7b72082763..f78b20a463 100644 --- a/include/llvm/IntrinsicsARM.td +++ b/include/llvm/IntrinsicsARM.td @@ -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; |