ARM assmebler parsing for two-operand VMUL instructions.

Combined destination and first source operand for f32 variant of the VMUL
(by scalar) instruction.

rdar://10522016

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145842 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Target/ARM/ARMInstrFormats.td b/lib/Target/ARM/ARMInstrFormats.td
index e5cda4ec88a3a32064092b5e8c1856b07d49e80f..a0d04c03fc2fc16991d7d89f2044e76013359d97 100644 (file)
--- a/lib/Target/ARM/ARMInstrFormats.td
+++ b/lib/Target/ARM/ARMInstrFormats.td
@@ -231,6 +231,8 @@ class VFP2InstAlias<string Asm, dag Result, bit Emit = 0b1>
       : InstAlias<Asm, Result, Emit>, Requires<[HasVFP2]>;
 class VFP3InstAlias<string Asm, dag Result, bit Emit = 0b1>
       : InstAlias<Asm, Result, Emit>, Requires<[HasVFP3]>;
+class NEONInstAlias<string Asm, dag Result, bit Emit = 0b1>
+      : InstAlias<Asm, Result, Emit>, Requires<[HasNEON]>;
 
 //===----------------------------------------------------------------------===//
 // ARM Instruction templates.

diff --git a/lib/Target/ARM/ARMInstrNEON.td b/lib/Target/ARM/ARMInstrNEON.td
index 2534629542854db3df6a34d20ec8af0d9a820f08..e7ff1d659bd42b4d39983f2512c7808cf6cc0da8 100644 (file)
--- a/lib/Target/ARM/ARMInstrNEON.td
+++ b/lib/Target/ARM/ARMInstrNEON.td
@@ -3672,6 +3672,15 @@ def  VMULslfd : N3VDSL<0b10, 0b1001, IIC_VBIND, "vmul", "f32", v2f32, fmul>;
 def  VMULslfq : N3VQSL<0b10, 0b1001, IIC_VBINQ, "vmul", "f32", v4f32,
                        v2f32, fmul>;
 
+// Two-operand aliases.
+def : NEONInstAlias<"vmul${p}.f32 $Ddn $Dm$lane",
+                    (VMULslfd DPR:$Ddn, DPR:$Ddn, DPR_VFP2:$Dm,
+                              VectorIndex32:$lane, pred:$p)>;
+def : NEONInstAlias<"vmul${p}.f32 $Qdn $Dm$lane",
+                    (VMULslfq QPR:$Qdn, QPR:$Qdn, DPR_VFP2:$Dm,
+                              VectorIndex32:$lane, pred:$p)>;
+
+
 def : Pat<(v8i16 (mul (v8i16 QPR:$src1),
                       (v8i16 (NEONvduplane (v8i16 QPR:$src2), imm:$lane)))),
           (v8i16 (VMULslv8i16 (v8i16 QPR:$src1),