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[AArch64] Add support for NEON scalar negate instruction.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@192843 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -200,4 +200,8 @@ def int_aarch64_neon_vsqadd : Neon_2Arg_Intrinsic;
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// Scalar Absolute Value
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def int_aarch64_neon_vabs :
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Intrinsic<[llvm_v1i64_ty], [llvm_v1i64_ty], [IntrNoMem]>;
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// Scalar Negate Value
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def int_aarch64_neon_vneg :
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Intrinsic<[llvm_v1i64_ty], [llvm_v1i64_ty], [IntrNoMem]>;
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}
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@ -3585,6 +3585,10 @@ defm SQABS : NeonI_Scalar2SameMisc_BHSD_size<0b0, 0b00111, "sqabs">;
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defm : Neon_Scalar2SameMisc_BHSD_size_patterns<int_arm_neon_vqabs,
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SQABSbb, SQABShh, SQABSss, SQABSdd>;
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// Scalar Negate
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defm NEG : NeonI_Scalar2SameMisc_D_size<0b1, 0b01011, "neg">;
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defm : Neon_Scalar2SameMisc_D_size_patterns<int_aarch64_neon_vneg, NEGdd>;
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// Scalar Signed Saturating Negate
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defm SQNEG : NeonI_Scalar2SameMisc_BHSD_size<0b1, 0b00111, "sqneg">;
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defm : Neon_Scalar2SameMisc_BHSD_size_patterns<int_arm_neon_vqneg,
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@ -1,5 +1,17 @@
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; RUN: llc < %s -verify-machineinstrs -mtriple=aarch64-none-linux-gnu -mattr=+neon | FileCheck %s
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define i64 @test_vnegd_s64(i64 %a) {
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; CHECK: test_vnegd_s64
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; CHECK: neg {{d[0-9]+}}, {{d[0-9]+}}
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entry:
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%vneg.i = insertelement <1 x i64> undef, i64 %a, i32 0
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%vneg1.i = tail call <1 x i64> @llvm.aarch64.neon.vneg(<1 x i64> %vneg.i)
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%0 = extractelement <1 x i64> %vneg1.i, i32 0
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ret i64 %0
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}
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declare <1 x i64> @llvm.aarch64.neon.vneg(<1 x i64>)
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define i8 @test_vqnegb_s8(i8 %a) {
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; CHECK: test_vqnegb_s8
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; CHECK: sqneg {{b[0-9]+}}, {{b[0-9]+}}
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@ -4450,3 +4450,13 @@
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// CHECK-ERROR: error: invalid operand for instruction
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// CHECK-ERROR: abs d29, s24
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// CHECK-ERROR: ^
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//----------------------------------------------------------------------
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// Scalar Negate
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//----------------------------------------------------------------------
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neg d29, s24
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// CHECK-ERROR: error: invalid operand for instruction
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// CHECK-ERROR: neg d29, s24
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// CHECK-ERROR: ^
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@ -2,6 +2,14 @@
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// Check that the assembler can handle the documented syntax for AArch64
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//----------------------------------------------------------------------
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// Scalar Negate
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//----------------------------------------------------------------------
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neg d29, d24
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// CHECK: neg d29, d24 // encoding: [0x1d,0xbb,0xe0,0x7e]
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//----------------------------------------------------------------------
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// Scalar Signed Saturating Negate
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//----------------------------------------------------------------------
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@ -1618,6 +1618,12 @@
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0x94,0x79,0xa0,0x5e
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0x92,0x79,0xe0,0x5e
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#----------------------------------------------------------------------
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# Scalar Negate
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#----------------------------------------------------------------------
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# CHECK: neg d29, d24
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0x1d,0xbb,0xe0,0x7e
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#----------------------------------------------------------------------
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# Scalar Signed Saturating Negate
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#----------------------------------------------------------------------
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