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| author | Joey Gouly <joey.gouly@arm.com> | 2013-07-19 16:34:16 +0000 |
|---|---|---|
| committer | Joey Gouly <joey.gouly@arm.com> | 2013-07-19 16:34:16 +0000 |
| commit | 6fec715a1a662ce3b560f85c710875cfeeb1fb98 (patch) | |
| tree | f39f45ee8a071b4846106f9a07cea2e6f8eb8d2f /lib/Target/ARM/ARMInstrNEON.td | |
| parent | 70d3e71f2e44250594f1b6edd7bbbf8b945a4452 (diff) | |
| download | llvm-6fec715a1a662ce3b560f85c710875cfeeb1fb98.tar.gz llvm-6fec715a1a662ce3b560f85c710875cfeeb1fb98.tar.bz2 llvm-6fec715a1a662ce3b560f85c710875cfeeb1fb98.tar.xz | |
[ARMv8] Implement the NEON instructions VRINT{N, X, A, Z, M, P}.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186688 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/ARM/ARMInstrNEON.td')
| -rw-r--r-- | lib/Target/ARM/ARMInstrNEON.td | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/lib/Target/ARM/ARMInstrNEON.td b/lib/Target/ARM/ARMInstrNEON.td index 0836700415..3e2ab0698d 100644 --- a/lib/Target/ARM/ARMInstrNEON.td +++ b/lib/Target/ARM/ARMInstrNEON.td @@ -5738,6 +5738,34 @@ def VTBX4Pseudo IIC_VTBX4, "$orig = $dst", []>; } // DecoderMethod = "DecodeTBLInstruction" +// VRINT : Vector Rounding +multiclass VRINT_FPI<string op, bits<3> op9_7, SDPatternOperator Int> { + let PostEncoderMethod = "NEONThumb2V8PostEncoder", DecoderNamespace = "v8NEON" in { + def D : N2VDIntnp<0b10, 0b100, 0, NoItinerary, + !strconcat("vrint", op), "f32", + v2f32, v2f32, Int>, Requires<[HasV8, HasNEON]> { + let Inst{9-7} = op9_7; + } + def Q : N2VQIntnp<0b10, 0b100, 0, NoItinerary, + !strconcat("vrint", op), "f32", + v4f32, v4f32, Int>, Requires<[HasV8, HasNEON]> { + let Inst{9-7} = op9_7; + } + } + + def : InstAlias<!strconcat("vrint", op, ".f32.f32\t$Dd, $Dm"), + (!cast<Instruction>(NAME#"D") DPR:$Dd, DPR:$Dm)>; + def : InstAlias<!strconcat("vrint", op, ".f32.f32\t$Qd, $Qm"), + (!cast<Instruction>(NAME#"Q") QPR:$Qd, QPR:$Qm)>; +} + +defm VRINTNN : VRINT_FPI<"n", 0b000, int_arm_neon_vrintn>; +defm VRINTXN : VRINT_FPI<"x", 0b001, int_arm_neon_vrintx>; +defm VRINTAN : VRINT_FPI<"a", 0b010, int_arm_neon_vrinta>; +defm VRINTZN : VRINT_FPI<"z", 0b011, int_arm_neon_vrintz>; +defm VRINTMN : VRINT_FPI<"m", 0b101, int_arm_neon_vrintm>; +defm VRINTPN : VRINT_FPI<"p", 0b111, int_arm_neon_vrintp>; + //===----------------------------------------------------------------------===// // NEON instructions for single-precision FP math //===----------------------------------------------------------------------===// |