From: Jim Grosbach <grosbach@apple.com>
Date: Tue, 12 Oct 2010 21:22:40 +0000 (+0000)
Subject: Encoding for ARM-mode VADD.F32 instruction.
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=499e886fe6c0ad02e0079734733dd7dde03d2940;p=oota-llvm.git

Encoding for ARM-mode VADD.F32 instruction.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116338 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Target/ARM/ARMInstrFormats.td b/lib/Target/ARM/ARMInstrFormats.td
index bde70e5c950..2ff18a90e4e 100644
--- a/lib/Target/ARM/ARMInstrFormats.td
+++ b/lib/Target/ARM/ARMInstrFormats.td
@@ -1288,6 +1288,8 @@ class VFPI<dag oops, dag iops, AddrMode am, SizeFlagVal sz,
            IndexMode im, Format f, InstrItinClass itin,
            string opc, string asm, string cstr, list<dag> pattern>
   : InstARM<am, sz, im, f, VFPDomain, cstr, itin> {
+  bits<4> p;
+  let Inst{31-28} = p;
   let OutOperandList = oops;
   let InOperandList = !con(iops, (ins pred:$p));
   let AsmString = !strconcat(opc, "${p}", asm);
diff --git a/lib/Target/ARM/ARMInstrVFP.td b/lib/Target/ARM/ARMInstrVFP.td
index 24344008f30..1d29ff88914 100644
--- a/lib/Target/ARM/ARMInstrVFP.td
+++ b/lib/Target/ARM/ARMInstrVFP.td
@@ -146,9 +146,20 @@ def VADDD  : ADbI<0b11100, 0b11, 0, 0, (outs DPR:$dst), (ins DPR:$a, DPR:$b),
                  IIC_fpALU64, "vadd", ".f64\t$dst, $a, $b",
                  [(set DPR:$dst, (fadd DPR:$a, (f64 DPR:$b)))]>;
 
-def VADDS  : ASbIn<0b11100, 0b11, 0, 0, (outs SPR:$dst), (ins SPR:$a, SPR:$b),
-                  IIC_fpALU32, "vadd", ".f32\t$dst, $a, $b",
-                  [(set SPR:$dst, (fadd SPR:$a, SPR:$b))]>;
+def VADDS  : ASbIn<0b11100, 0b11, 0, 0, (outs SPR:$Sd), (ins SPR:$Sn, SPR:$Sm),
+                  IIC_fpALU32, "vadd", ".f32\t$Sd, $Sn, $Sm",
+                  [(set SPR:$Sd, (fadd SPR:$Sn, SPR:$Sm))]> {
+  bits<5> Sd;
+  bits<5> Sn;
+  bits<5> Sm;
+
+  let Inst{3-0}   = Sm{4-1};
+  let Inst{5}     = Sm{0};
+  let Inst{19-16} = Sn{4-1};
+  let Inst{7}     = Sn{0};
+  let Inst{15-12} = Sd{4-1};
+  let Inst{22}    = Sd{0};
+}
 
 // These are encoded as unary instructions.
 let Defs = [FPSCR] in {