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Add new intrinsics for Neon VTRN, VZIP and VUZP operations. Modeling these

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as vector shuffles did not work out well.  Shuffles that produce double-wide
vectors accurately represent the operation but make it hard to do anything
with the results.  I considered splitting them up into 2 shuffles, one to
write each register separately, but there doesn't seem to be a good way to
reunite them for codegen.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78437 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Bob Wilson 2009-08-07 23:53:05 +00:00
parent c3c9239d76
commit 9e699cc726
1 changed files with 18 additions and 0 deletions
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18
include/llvm/IntrinsicsARM.td
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@ -66,6 +66,12 @@ let TargetPrefix = "arm" in { // All intrinsics start with "llvm.arm.".
LLVMTruncatedElementVectorType<0>,
LLVMTruncatedElementVectorType<0>],
[IntrNoMem]>;
class Neon_2Result_Intrinsic
: Intrinsic<[llvm_anyint_ty, LLVMMatchType<0>],
[LLVMMatchType<0>, LLVMMatchType<0>], [IntrNoMem]>;
class Neon_2Result_Float_Intrinsic
: Intrinsic<[llvm_anyfloat_ty, LLVMMatchType<0>],
[LLVMMatchType<0>, LLVMMatchType<0>], [IntrNoMem]>;
class Neon_CvtFxToFP_Intrinsic
: Intrinsic<[llvm_anyfloat_ty], [llvm_anyint_ty, llvm_i32_ty], [IntrNoMem]>;
class Neon_CvtFPToFx_Intrinsic
@ -288,6 +294,18 @@ def int_arm_neon_vqmovnsu : Neon_1Arg_Narrow_Intrinsic;
def int_arm_neon_vmovls : Neon_1Arg_Long_Intrinsic;
def int_arm_neon_vmovlu : Neon_1Arg_Long_Intrinsic;
// Vector Transpose.
def int_arm_neon_vtrni : Neon_2Result_Intrinsic;
def int_arm_neon_vtrnf : Neon_2Result_Float_Intrinsic;
// Vector Interleave (vzip).
def int_arm_neon_vzipi : Neon_2Result_Intrinsic;
def int_arm_neon_vzipf : Neon_2Result_Float_Intrinsic;
// Vector Deinterleave (vuzp).
def int_arm_neon_vuzpi : Neon_2Result_Intrinsic;
def int_arm_neon_vuzpf : Neon_2Result_Float_Intrinsic;
let TargetPrefix = "arm" in {
// De-interleaving vector loads from N-element structures.