ARM assembly parsing for optional datatype suffix on VFP VMOV GPR<->VFP insns.

Yet more of rdar://10435076.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144691 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Target/ARM/ARMInstrVFP.td b/lib/Target/ARM/ARMInstrVFP.td
index 81a4a55b54ae617dc3e8f8dcca4ba8af57f3725c..27e185f3ca3c081d5a3d66e561216ce3862f6a2c 100644 (file)
--- a/lib/Target/ARM/ARMInstrVFP.td
+++ b/lib/Target/ARM/ARMInstrVFP.td
@@ -1178,3 +1178,14 @@ def : VFP2InstAlias<"vmul${p}.f64 $Dn, $Dm",
                     (VMULD DPR:$Dn, DPR:$Dn, DPR:$Dm, pred:$p)>;
 def : VFP2InstAlias<"vmul${p}.f32 $Sn, $Sm",
                     (VMULS SPR:$Sn, SPR:$Sn, SPR:$Sm, pred:$p)>;
+
+// VMOV can accept optional .f32/.f64 suffix.
+def : VFP2InstAlias<"vmov${p}.f32 $Rt, $Sn",
+                    (VMOVRS GPR:$Rt, SPR:$Sn, pred:$p)>;
+def : VFP2InstAlias<"vmov${p}.f32 $Sn, $Rt",
+                    (VMOVSR SPR:$Sn, GPR:$Rt, pred:$p)>;
+
+def : VFP2InstAlias<"vmov${p}.f64 $Rt, $Rt2, $Dn",
+                    (VMOVRRD GPR:$Rt, GPR:$Rt2, DPR:$Dn, pred:$p)>;
+def : VFP2InstAlias<"vmov${p}.f64 $Dn, $Rt, $Rt2",
+                    (VMOVDRR DPR:$Dn, GPR:$Rt, GPR:$Rt2, pred:$p)>;

diff --git a/test/MC/ARM/simple-fp-encoding.s b/test/MC/ARM/simple-fp-encoding.s
index fc0c7c992e5385ae700bcbd8123c9690d14f1147..58abe8894be8357bf0a51f0c918e90955c939535 100644 (file)
--- a/test/MC/ARM/simple-fp-encoding.s
+++ b/test/MC/ARM/simple-fp-encoding.s
@@ -133,6 +133,16 @@
         vmovne  s0, r0
         vmoveq  s0, r1
 
+        vmov.f32 r1, s2
+        vmov.f32 s4, r3
+        vmov.f64 r1, r5, d2
+        vmov.f64 d4, r3, r9
+
+@ CHECK: vmov  r1, s2                  @ encoding: [0x10,0x1a,0x11,0xee]
+@ CHECK: vmov  s4, r3                  @ encoding: [0x10,0x3a,0x02,0xee]
+@ CHECK: vmov  r1, r5, d2              @ encoding: [0x12,0x1b,0x55,0xec]
+@ CHECK: vmov  d4, r3, r9              @ encoding: [0x14,0x3b,0x49,0xec]
+
 @ CHECK: vmrs r0, fpscr              @ encoding: [0x10,0x0a,0xf1,0xee]
         vmrs    r0, fpscr
 @ CHECK: vmrs  r0, fpexc             @ encoding: [0x10,0x0a,0xf8,0xee]