From f50e83fd03f179616d030982efa7005640f03300 Mon Sep 17 00:00:00 2001
From: Johnny Chen <johnny.chen@apple.com>
Date: Wed, 24 Feb 2010 02:57:20 +0000
Subject: [PATCH] Added for disassembly VST1 (multiple single elements) which
 stores elements to memory from three or four registers and VST2 (multiple
 two-element structures) which stores to memory from two double-spaced
 registers.

A8.6.391 & A8.6.393


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97018 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Target/ARM/ARMInstrNEON.td | 35 ++++++++++++++++++++++++++++++++++
 1 file changed, 35 insertions(+)

diff --git a/lib/Target/ARM/ARMInstrNEON.td b/lib/Target/ARM/ARMInstrNEON.td
index d2c26e5c7b7..91210aa4497 100644
--- a/lib/Target/ARM/ARMInstrNEON.td
+++ b/lib/Target/ARM/ARMInstrNEON.td
@@ -410,6 +410,31 @@ def  VST1qf   : VST1Q<0b1000, "vst1", "32", v4f32, int_arm_neon_vst1>;
 def  VST1q64  : VST1Q<0b1100, "vst1", "64", v2i64, int_arm_neon_vst1>;
 } // hasExtraSrcRegAllocReq
 
+// These (dreg triple/quadruple) are for disassembly only.
+class VST1D3<bits<4> op7_4, string OpcodeStr, string Dt>
+  : NLdSt<0, 0b00, 0b0110, op7_4, (outs),
+          (ins addrmode6:$addr, DPR:$src1, DPR:$src2, DPR:$src3), IIC_VST,
+          OpcodeStr, Dt,
+          "\\{$src1, $src2, $src3\\}, $addr", "",
+          [/* For disassembly only; pattern left blank */]>;
+class VST1D4<bits<4> op7_4, string OpcodeStr, string Dt>
+  : NLdSt<0, 0b00, 0b0010, op7_4, (outs),
+          (ins addrmode6:$addr, DPR:$src1, DPR:$src2, DPR:$src3, DPR:$src4),
+          IIC_VST, OpcodeStr, Dt,
+          "\\{$src1, $src2, $src3, $src4\\}, $addr", "",
+          [/* For disassembly only; pattern left blank */]>;
+
+def  VST1d8T  : VST1D3<0b0000, "vld1", "8">;
+def  VST1d16T : VST1D3<0b0100, "vld1", "16">;
+def  VST1d32T : VST1D3<0b1000, "vld1", "32">;
+//def  VST1d64T : VST1D3<0b1100, "vld1", "64">;
+
+def  VST1d8Q  : VST1D4<0b0000, "vld1", "8">;
+def  VST1d16Q : VST1D4<0b0100, "vld1", "16">;
+def  VST1d32Q : VST1D4<0b1000, "vld1", "32">;
+//def  VST1d64Q : VST1D4<0b1100, "vld1", "64">;
+
+
 let mayStore = 1, hasExtraSrcRegAllocReq = 1 in {
 
 //   VST2     : Vector Store (multiple 2-element structures)
@@ -434,6 +459,16 @@ def  VST2q8   : VST2Q<0b0000, "vst2", "8">;
 def  VST2q16  : VST2Q<0b0100, "vst2", "16">;
 def  VST2q32  : VST2Q<0b1000, "vst2", "32">;
 
+// These (double-spaced dreg pair) are for disassembly only.
+class VST2Ddbl<bits<4> op7_4, string OpcodeStr, string Dt>
+  : NLdSt<0, 0b00, 0b1001, op7_4, (outs),
+          (ins addrmode6:$addr, DPR:$src1, DPR:$src2), IIC_VST,
+          OpcodeStr, Dt, "\\{$src1, $src2\\}, $addr", "", []>;
+
+def  VST2d8D  : VST2Ddbl<0b0000, "vst2", "8">;
+def  VST2d16D : VST2Ddbl<0b0100, "vst2", "16">;
+def  VST2d32D : VST2Ddbl<0b1000, "vst2", "32">;
+
 //   VST3     : Vector Store (multiple 3-element structures)
 class VST3D<bits<4> op7_4, string OpcodeStr, string Dt>
   : NLdSt<0,0b00,0b0100,op7_4, (outs),
-- 
2.34.1