From: Jim Grosbach <grosbach@apple.com>
Date: Thu, 8 Dec 2011 01:12:35 +0000 (+0000)
Subject: ARM NEON two-operand aliases for VSHL(register).
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=ff4cbb4c9a66d313a9f52830620f06c88b43397c;p=oota-llvm.git

ARM NEON two-operand aliases for VSHL(register).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146123 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Target/ARM/ARMInstrNEON.td b/lib/Target/ARM/ARMInstrNEON.td
index b63ecc386f3..743ce22aaf2 100644
--- a/lib/Target/ARM/ARMInstrNEON.td
+++ b/lib/Target/ARM/ARMInstrNEON.td
@@ -5402,6 +5402,41 @@ def : NEONInstAlias<"vmul${p}.f32 $Qdn, $Dm$lane",
                     (VMULslfq QPR:$Qdn, QPR:$Qdn, DPR_VFP2:$Dm,
                               VectorIndex32:$lane, pred:$p)>;
 
+// VSHL (register) two-operand aliases.
+def : NEONInstAlias<"vshl${p}.s8 $Vdn, $Vm",
+                    (VSHLsv8i8 DPR:$Vdn, DPR:$Vdn, DPR:$Vm, pred:$p)>;
+def : NEONInstAlias<"vshl${p}.s16 $Vdn, $Vm",
+                    (VSHLsv4i16 DPR:$Vdn, DPR:$Vdn, DPR:$Vm, pred:$p)>;
+def : NEONInstAlias<"vshl${p}.s32 $Vdn, $Vm",
+                    (VSHLsv2i32 DPR:$Vdn, DPR:$Vdn, DPR:$Vm, pred:$p)>;
+def : NEONInstAlias<"vshl${p}.s64 $Vdn, $Vm",
+                    (VSHLsv1i64 DPR:$Vdn, DPR:$Vdn, DPR:$Vm, pred:$p)>;
+def : NEONInstAlias<"vshl${p}.u8 $Vdn, $Vm",
+                    (VSHLuv8i8 DPR:$Vdn, DPR:$Vdn, DPR:$Vm, pred:$p)>;
+def : NEONInstAlias<"vshl${p}.u16 $Vdn, $Vm",
+                    (VSHLuv4i16 DPR:$Vdn, DPR:$Vdn, DPR:$Vm, pred:$p)>;
+def : NEONInstAlias<"vshl${p}.u32 $Vdn, $Vm",
+                    (VSHLuv2i32 DPR:$Vdn, DPR:$Vdn, DPR:$Vm, pred:$p)>;
+def : NEONInstAlias<"vshl${p}.u64 $Vdn, $Vm",
+                    (VSHLuv1i64 DPR:$Vdn, DPR:$Vdn, DPR:$Vm, pred:$p)>;
+
+def : NEONInstAlias<"vshl${p}.s8 $Vdn, $Vm",
+                    (VSHLsv16i8 QPR:$Vdn, QPR:$Vdn, QPR:$Vm, pred:$p)>;
+def : NEONInstAlias<"vshl${p}.s16 $Vdn, $Vm",
+                    (VSHLsv8i16 QPR:$Vdn, QPR:$Vdn, QPR:$Vm, pred:$p)>;
+def : NEONInstAlias<"vshl${p}.s32 $Vdn, $Vm",
+                    (VSHLsv4i32 QPR:$Vdn, QPR:$Vdn, QPR:$Vm, pred:$p)>;
+def : NEONInstAlias<"vshl${p}.s64 $Vdn, $Vm",
+                    (VSHLsv2i64 QPR:$Vdn, QPR:$Vdn, QPR:$Vm, pred:$p)>;
+def : NEONInstAlias<"vshl${p}.u8 $Vdn, $Vm",
+                    (VSHLuv16i8 QPR:$Vdn, QPR:$Vdn, QPR:$Vm, pred:$p)>;
+def : NEONInstAlias<"vshl${p}.u16 $Vdn, $Vm",
+                    (VSHLuv8i16 QPR:$Vdn, QPR:$Vdn, QPR:$Vm, pred:$p)>;
+def : NEONInstAlias<"vshl${p}.u32 $Vdn, $Vm",
+                    (VSHLuv4i32 QPR:$Vdn, QPR:$Vdn, QPR:$Vm, pred:$p)>;
+def : NEONInstAlias<"vshl${p}.u64 $Vdn, $Vm",
+                    (VSHLuv2i64 QPR:$Vdn, QPR:$Vdn, QPR:$Vm, pred:$p)>;
+
 // VLD1 single-lane pseudo-instructions. These need special handling for
 // the lane index that an InstAlias can't handle, so we use these instead.
 defm VLD1LNdAsm : NEONDT8AsmPseudoInst<"vld1${p}", "$list, $addr",
diff --git a/test/MC/ARM/neon-shift-encoding.s b/test/MC/ARM/neon-shift-encoding.s
index a7a1b838604..af37dd9a7c8 100644
--- a/test/MC/ARM/neon-shift-encoding.s
+++ b/test/MC/ARM/neon-shift-encoding.s
@@ -235,3 +235,44 @@ _foo:
 	vqrshrn.u32	d16, q8, #13
 @ CHECK: vqrshrn.u64	d16, q8, #13  @ encoding: [0x70,0x09,0xf3,0xf3]
 	vqrshrn.u64	d16, q8, #13
+
+@ Optional destination operand variants.
+        vshl.s8 q4, q5
+        vshl.s16 q4, q5
+        vshl.s32 q4, q5
+        vshl.s64 q4, q5
+
+        vshl.u8 q4, q5
+        vshl.u16 q4, q5
+        vshl.u32 q4, q5
+        vshl.u64 q4, q5
+
+        vshl.s8 d4, d5
+        vshl.s16 d4, d5
+        vshl.s32 d4, d5
+        vshl.s64 d4, d5
+
+        vshl.u8 d4, d5
+        vshl.u16 d4, d5
+        vshl.u32 d4, d5
+        vshl.u64 d4, d5
+
+@ CHECK: vshl.s8	q4, q4, q5      @ encoding: [0x48,0x84,0x0a,0xf2]
+@ CHECK: vshl.s16	q4, q4, q5      @ encoding: [0x48,0x84,0x1a,0xf2]
+@ CHECK: vshl.s32	q4, q4, q5      @ encoding: [0x48,0x84,0x2a,0xf2]
+@ CHECK: vshl.s64	q4, q4, q5      @ encoding: [0x48,0x84,0x3a,0xf2]
+
+@ CHECK: vshl.u8	q4, q4, q5      @ encoding: [0x48,0x84,0x0a,0xf3]
+@ CHECK: vshl.u16	q4, q4, q5      @ encoding: [0x48,0x84,0x1a,0xf3]
+@ CHECK: vshl.u32	q4, q4, q5      @ encoding: [0x48,0x84,0x2a,0xf3]
+@ CHECK: vshl.u64	q4, q4, q5      @ encoding: [0x48,0x84,0x3a,0xf3]
+
+@ CHECK: vshl.s8	d4, d4, d5      @ encoding: [0x04,0x44,0x05,0xf2]
+@ CHECK: vshl.s16	d4, d4, d5      @ encoding: [0x04,0x44,0x15,0xf2]
+@ CHECK: vshl.s32	d4, d4, d5      @ encoding: [0x04,0x44,0x25,0xf2]
+@ CHECK: vshl.s64	d4, d4, d5      @ encoding: [0x04,0x44,0x35,0xf2]
+
+@ CHECK: vshl.u8	d4, d4, d5      @ encoding: [0x04,0x44,0x05,0xf3]
+@ CHECK: vshl.u16	d4, d4, d5      @ encoding: [0x04,0x44,0x15,0xf3]
+@ CHECK: vshl.u32	d4, d4, d5      @ encoding: [0x04,0x44,0x25,0xf3]
+@ CHECK: vshl.u64	d4, d4, d5      @ encoding: [0x04,0x44,0x35,0xf3]