[llvm] r195803 - [AArch64] Add support for NEON scalar floating-point absolute difference.
Chad Rosier
mcrosier at codeaurora.org
Tue Nov 26 17:53:14 PST 2013
Hi Tim/Bill,
Would it be possible to pull this commit as well as r195804 into the 3.4
branch?
Chad
> Author: mcrosier
> Date: Tue Nov 26 19:45:58 2013
> New Revision: 195803
>
> URL: http://llvm.org/viewvc/llvm-project?rev=195803&view=rev
> Log:
> [AArch64] Add support for NEON scalar floating-point absolute difference.
>
> Added:
> llvm/trunk/test/CodeGen/AArch64/neon-scalar-fabd.ll
> Modified:
> llvm/trunk/include/llvm/IR/IntrinsicsAArch64.td
> llvm/trunk/lib/Target/AArch64/AArch64InstrNEON.td
> llvm/trunk/test/MC/AArch64/neon-diagnostics.s
> llvm/trunk/test/MC/AArch64/neon-scalar-abs.s
> llvm/trunk/test/MC/Disassembler/AArch64/neon-instructions.txt
>
> Modified: llvm/trunk/include/llvm/IR/IntrinsicsAArch64.td
> URL:
> http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/IR/IntrinsicsAArch64.td?rev=195803&r1=195802&r2=195803&view=diff
> ==============================================================================
> --- llvm/trunk/include/llvm/IR/IntrinsicsAArch64.td (original)
> +++ llvm/trunk/include/llvm/IR/IntrinsicsAArch64.td Tue Nov 26 19:45:58
> 2013
> @@ -312,6 +312,9 @@ def int_aarch64_neon_vsqadd : Neon_2Arg_
> def int_aarch64_neon_vabs :
> Intrinsic<[llvm_v1i64_ty], [llvm_v1i64_ty], [IntrNoMem]>;
>
> +// Scalar Absolute Difference
> +def int_aarch64_neon_vabd : Neon_2Arg_Intrinsic;
> +
> // Scalar Negate Value
> def int_aarch64_neon_vneg :
> Intrinsic<[llvm_v1i64_ty], [llvm_v1i64_ty], [IntrNoMem]>;
>
> Modified: llvm/trunk/lib/Target/AArch64/AArch64InstrNEON.td
> URL:
> http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/AArch64/AArch64InstrNEON.td?rev=195803&r1=195802&r2=195803&view=diff
> ==============================================================================
> --- llvm/trunk/lib/Target/AArch64/AArch64InstrNEON.td (original)
> +++ llvm/trunk/lib/Target/AArch64/AArch64InstrNEON.td Tue Nov 26 19:45:58
> 2013
> @@ -5074,6 +5074,11 @@ defm FACGT: NeonI_Scalar3Same_SD_sizes<0
> defm : Neon_Scalar3Same_cmp_SD_size_patterns<int_aarch64_neon_vcagt,
> FACGTsss, FACGTddd>;
>
> +// Scakar Floating-point Absolute Difference
> +defm FABD: NeonI_Scalar3Same_SD_sizes<0b1, 0b1, 0b11010, "fabd">;
> +defm : Neon_Scalar3Same_SD_size_patterns<int_aarch64_neon_vabd,
> + FABDsss, FABDddd>;
> +
> // Scalar Absolute Value
> defm ABS : NeonI_Scalar2SameMisc_D_size<0b0, 0b01011, "abs">;
> defm : Neon_Scalar2SameMisc_D_size_patterns<int_aarch64_neon_vabs,
> ABSdd>;
>
> Added: llvm/trunk/test/CodeGen/AArch64/neon-scalar-fabd.ll
> URL:
> http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/AArch64/neon-scalar-fabd.ll?rev=195803&view=auto
> ==============================================================================
> --- llvm/trunk/test/CodeGen/AArch64/neon-scalar-fabd.ll (added)
> +++ llvm/trunk/test/CodeGen/AArch64/neon-scalar-fabd.ll Tue Nov 26
> 19:45:58 2013
> @@ -0,0 +1,26 @@
> +; RUN: llc < %s -verify-machineinstrs -mtriple=aarch64-none-linux-gnu
> -mattr=+neon | FileCheck %s
> +
> +define float @test_vabds_f32(float %a, float %b) {
> +; CHECK-LABEL: test_vabds_f32
> +; CHECK: fabd {{s[0-9]+}}, {{s[0-9]+}}, {{s[0-9]+}}
> +entry:
> + %vabd.i = insertelement <1 x float> undef, float %a, i32 0
> + %vabd1.i = insertelement <1 x float> undef, float %b, i32 0
> + %vabd2.i = call <1 x float> @llvm.aarch64.neon.vabd.v1f32(<1 x float>
> %vabd.i, <1 x float> %vabd1.i)
> + %0 = extractelement <1 x float> %vabd2.i, i32 0
> + ret float %0
> +}
> +
> +define double @test_vabdd_f64(double %a, double %b) {
> +; CHECK-LABEL: test_vabdd_f64
> +; CHECK: fabd {{d[0-9]+}}, {{d[0-9]+}}, {{d[0-9]+}}
> +entry:
> + %vabd.i = insertelement <1 x double> undef, double %a, i32 0
> + %vabd1.i = insertelement <1 x double> undef, double %b, i32 0
> + %vabd2.i = call <1 x double> @llvm.aarch64.neon.vabd.v1f64(<1 x double>
> %vabd.i, <1 x double> %vabd1.i)
> + %0 = extractelement <1 x double> %vabd2.i, i32 0
> + ret double %0
> +}
> +
> +declare <1 x double> @llvm.aarch64.neon.vabd.v1f64(<1 x double>, <1 x
> double>)
> +declare <1 x float> @llvm.aarch64.neon.vabd.v1f32(<1 x float>, <1 x
> float>)
>
> Modified: llvm/trunk/test/MC/AArch64/neon-diagnostics.s
> URL:
> http://llvm.org/viewvc/llvm-project/llvm/trunk/test/MC/AArch64/neon-diagnostics.s?rev=195803&r1=195802&r2=195803&view=diff
> ==============================================================================
> --- llvm/trunk/test/MC/AArch64/neon-diagnostics.s (original)
> +++ llvm/trunk/test/MC/AArch64/neon-diagnostics.s Tue Nov 26 19:45:58 2013
> @@ -7301,3 +7301,18 @@
> // CHECK-ERROR: error: invalid operand for instruction
> // CHECK-ERROR: fcvtzu d0, s0
> // CHECK-ERROR: ^
> +
> +//----------------------------------------------------------------------
> +// Scalar Floating-point Absolute Difference
> +//----------------------------------------------------------------------
> +
> +
> + fabd s29, d24, s20
> + fabd d29, s24, d20
> +
> +// CHECK-ERROR: error: invalid operand for instruction
> +// CHECK-ERROR: fabd s29, d24, s20
> +// CHECK-ERROR: ^
> +// CHECK-ERROR: error: invalid operand for instruction
> +// CHECK-ERROR: fabd d29, s24, d20
> +// CHECK-ERROR: ^
>
> Modified: llvm/trunk/test/MC/AArch64/neon-scalar-abs.s
> URL:
> http://llvm.org/viewvc/llvm-project/llvm/trunk/test/MC/AArch64/neon-scalar-abs.s?rev=195803&r1=195802&r2=195803&view=diff
> ==============================================================================
> --- llvm/trunk/test/MC/AArch64/neon-scalar-abs.s (original)
> +++ llvm/trunk/test/MC/AArch64/neon-scalar-abs.s Tue Nov 26 19:45:58 2013
> @@ -9,6 +9,16 @@
> abs d29, d24
>
> // CHECK: abs d29, d24 // encoding: [0x1d,0xbb,0xe0,0x5e]
> +
> +//----------------------------------------------------------------------
> +// Scalar Floating-point Absolute Difference
> +//----------------------------------------------------------------------
> +
> + fabd s29, s24, s20
> + fabd d29, d24, d20
> +
> +// CHECK: fabd s29, s24, s20 // encoding: [0x1d,0xd7,0xb4,0x7e]
> +// CHECK: fabd d29, d24, d20 // encoding: [0x1d,0xd7,0xf4,0x7e]
>
> //----------------------------------------------------------------------
> // Scalar Signed Saturating Absolute Value
>
> Modified: llvm/trunk/test/MC/Disassembler/AArch64/neon-instructions.txt
> URL:
> http://llvm.org/viewvc/llvm-project/llvm/trunk/test/MC/Disassembler/AArch64/neon-instructions.txt?rev=195803&r1=195802&r2=195803&view=diff
> ==============================================================================
> --- llvm/trunk/test/MC/Disassembler/AArch64/neon-instructions.txt
> (original)
> +++ llvm/trunk/test/MC/Disassembler/AArch64/neon-instructions.txt Tue Nov
> 26 19:45:58 2013
> @@ -2609,3 +2609,11 @@
> # CHECK: fcvtzu d21, d14
> 0xac,0xb9,0xa1,0x7e
> 0xd5,0xb9,0xe1,0x7e
> +
> +#----------------------------------------------------------------------
> +# Scalar Floating-point Absolute Difference
> +#----------------------------------------------------------------------
> +# CHECK: fabd s29, s24, s20
> +# CHECK: fabd d29, d24, d20
> +0x1d,0xd7,0xb4,0x7e
> +0x1d,0xd7,0xf4,0x7e
>
>
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