ARM parsing datatype suffix variants for non-writeback VST1 instructions.

rdar://10435076

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144593 91177308-0d34-0410-b5e6-96231b3b80d8

2 files changed, 65 insertions, 0 deletions

diff --git a/lib/Target/ARM/ARMInstrNEON.td b/lib/Target/ARM/ARMInstrNEON.td
index 8474737..3ccf992 100644
--- a/lib/Target/ARM/ARMInstrNEON.td
+++ b/lib/Target/ARM/ARMInstrNEON.td
@@ -5239,3 +5239,47 @@ defm : VFPDT32ReqInstAlias<"vld1${p}", "$Vd, $Rn",
                           (VLD1d32Q VecListFourD:$Vd, addrmode6:$Rn, pred:$p)>;
 defm : VFPDT64ReqInstAlias<"vld1${p}", "$Vd, $Rn",
                           (VLD1d64Q VecListFourD:$Vd, addrmode6:$Rn, pred:$p)>;
+
+// VST1 requires a size suffix, but also accepts type specific variants.
+// Load one D register.
+defm : VFPDT8ReqInstAlias<"vst1${p}", "$Vd, $Rn",
+                          (VST1d8 addrmode6:$Rn, VecListOneD:$Vd, pred:$p)>;
+defm : VFPDT16ReqInstAlias<"vst1${p}", "$Vd, $Rn",
+                          (VST1d16 addrmode6:$Rn, VecListOneD:$Vd, pred:$p)>;
+defm : VFPDT32ReqInstAlias<"vst1${p}", "$Vd, $Rn",
+                          (VST1d32 addrmode6:$Rn, VecListOneD:$Vd, pred:$p)>;
+defm : VFPDT64ReqInstAlias<"vst1${p}", "$Vd, $Rn",
+                          (VST1d64 addrmode6:$Rn, VecListOneD:$Vd, pred:$p)>;
+
+// Load two D registers.
+defm : VFPDT8ReqInstAlias<"vst1${p}", "$Vd, $Rn",
+                          (VST1q8 addrmode6:$Rn, VecListTwoD:$Vd, pred:$p)>;
+defm : VFPDT16ReqInstAlias<"vst1${p}", "$Vd, $Rn",
+                          (VST1q16 addrmode6:$Rn, VecListTwoD:$Vd, pred:$p)>;
+defm : VFPDT32ReqInstAlias<"vst1${p}", "$Vd, $Rn",
+                          (VST1q32 addrmode6:$Rn, VecListTwoD:$Vd, pred:$p)>;
+defm : VFPDT64ReqInstAlias<"vst1${p}", "$Vd, $Rn",
+                          (VST1q64 addrmode6:$Rn, VecListTwoD:$Vd, pred:$p)>;
+
+// FIXME: The three and four register VST1 instructions haven't been moved
+// to the VecList* encoding yet, so we can't do assembly parsing support
+// for them. Uncomment these when that happens.
+// Load three D registers.
+//defm : VFPDT8ReqInstAlias<"vst1${p}", "$Vd, $Rn",
+//                          (VST1d8T addrmode6:$Rn, VecListThreeD:$Vd, pred:$p)>;
+//defm : VFPDT16ReqInstAlias<"vst1${p}", "$Vd, $Rn",
+//                          (VST1d16T addrmode6:$Rn, VecListThreeD:$Vd, pred:$p)>;
+//defm : VFPDT32ReqInstAlias<"vst1${p}", "$Vd, $Rn",
+//                          (VST1d32T addrmode6:$Rn, VecListThreeD:$Vd, pred:$p)>;
+//defm : VFPDT64ReqInstAlias<"vst1${p}", "$Vd, $Rn",
+//                          (VST1d64T addrmode6:$Rn, VecListThreeD:$Vd, pred:$p)>;
+
+// Load four D registers.
+//defm : VFPDT8ReqInstAlias<"vst1${p}", "$Vd, $Rn",
+//                          (VST1d8Q addrmode6:$Rn, VecListFourD:$Vd, pred:$p)>;
+//defm : VFPDT16ReqInstAlias<"vst1${p}", "$Vd, $Rn",
+//                          (VST1d16Q addrmode6:$Rn, VecListFourD:$Vd, pred:$p)>;
+//defm : VFPDT32ReqInstAlias<"vst1${p}", "$Vd, $Rn",
+//                          (VST1d32Q addrmode6:$Rn, VecListFourD:$Vd, pred:$p)>;
+//defm : VFPDT64ReqInstAlias<"vst1${p}", "$Vd, $Rn",
+//                          (VST1d64Q addrmode6:$Rn, VecListFourD:$Vd, pred:$p)>;
diff --git a/test/MC/ARM/neon-vst-encoding.s b/test/MC/ARM/neon-vst-encoding.s
index a35c9c0..bcfe8cf 100644
--- a/test/MC/ARM/neon-vst-encoding.s
+++ b/test/MC/ARM/neon-vst-encoding.s
@@ -111,3 +111,24 @@
 @ FIXME: vst4.32 {d16[1], d17[1], d18[1], d19[1]}, [r0, :128] @ encoding: [0xaf,0x0b,0xc0,0xf4]
 @ FIXME: vst4.16 {d17[3], d19[3], d21[3], d23[3]}, [r0, :64] @ encoding: [0xff,0x17,0xc0,0xf4]
 @ FIXME: vst4.32 {d17[0], d19[0], d21[0], d23[0]}, [r0] @ encoding: [0x4f,0x1b,0xc0,0xf4]
+
+
+@ Spot-check additional size-suffix aliases.
+
+        vst1.8 {d2}, [r2]
+        vst1.p8 {d2}, [r2]
+        vst1.u8 {d2}, [r2]
+
+        vst1.8 {q2}, [r2]
+        vst1.p8 {q2}, [r2]
+        vst1.u8 {q2}, [r2]
+        vst1.f32 {q2}, [r2]
+
+@ CHECK: vst1.8	{d2}, [r2]              @ encoding: [0x0f,0x27,0x02,0xf4]
+@ CHECK: vst1.8	{d2}, [r2]              @ encoding: [0x0f,0x27,0x02,0xf4]
+@ CHECK: vst1.8	{d2}, [r2]              @ encoding: [0x0f,0x27,0x02,0xf4]
+
+@ CHECK: vst1.8	{d4, d5}, [r2]          @ encoding: [0x0f,0x4a,0x02,0xf4]
+@ CHECK: vst1.8	{d4, d5}, [r2]          @ encoding: [0x0f,0x4a,0x02,0xf4]
+@ CHECK: vst1.8	{d4, d5}, [r2]          @ encoding: [0x0f,0x4a,0x02,0xf4]
+@ CHECK: vst1.32 {d4, d5}, [r2]         @ encoding: [0x8f,0x4a,0x02,0xf4]