Provide correct NEON encodings for vbsl.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117293 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Target/ARM/ARMInstrNEON.td b/lib/Target/ARM/ARMInstrNEON.td
index 417c48b9d5204b6a6a81fe675407c01a3ea5a66c..9659329ee7d2a1845a2ddffea31be2c50f49ff4e 100644 (file)
--- a/lib/Target/ARM/ARMInstrNEON.td
+++ b/lib/Target/ARM/ARMInstrNEON.td
@@ -2934,20 +2934,20 @@ def : Pat<(v2i32 (vnotd DPR:$src)), (VMVNd DPR:$src)>;
 def : Pat<(v4i32 (vnotq QPR:$src)), (VMVNq QPR:$src)>;
 
 //   VBSL     : Vector Bitwise Select
-def  VBSLd    : N3VX<1, 0, 0b01, 0b0001, 0, 1, (outs DPR:$dst),
-                     (ins DPR:$src1, DPR:$src2, DPR:$src3),
+def  VBSLd    : N3VX<1, 0, 0b01, 0b0001, 0, 1, (outs DPR:$Vd),
+                     (ins DPR:$src1, DPR:$Vn, DPR:$Vm),
                      N3RegFrm, IIC_VCNTiD,
-                     "vbsl", "$dst, $src2, $src3", "$src1 = $dst",
-                     [(set DPR:$dst,
-                       (v2i32 (or (and DPR:$src2, DPR:$src1),
-                                  (and DPR:$src3, (vnotd DPR:$src1)))))]>;
-def  VBSLq    : N3VX<1, 0, 0b01, 0b0001, 1, 1, (outs QPR:$dst),
-                     (ins QPR:$src1, QPR:$src2, QPR:$src3),
+                     "vbsl", "$Vd, $Vn, $Vm", "$src1 = $Vd",
+                     [(set DPR:$Vd,
+                       (v2i32 (or (and DPR:$Vn, DPR:$src1),
+                                  (and DPR:$Vm, (vnotd DPR:$src1)))))]>;
+def  VBSLq    : N3VX<1, 0, 0b01, 0b0001, 1, 1, (outs QPR:$Vd),
+                     (ins QPR:$src1, QPR:$Vn, QPR:$Vm),
                      N3RegFrm, IIC_VCNTiQ,
-                     "vbsl", "$dst, $src2, $src3", "$src1 = $dst",
-                     [(set QPR:$dst,
-                       (v4i32 (or (and QPR:$src2, QPR:$src1),
-                                  (and QPR:$src3, (vnotq QPR:$src1)))))]>;
+                     "vbsl", "$Vd, $Vn, $Vm", "$src1 = $Vd",
+                     [(set QPR:$Vd,
+                       (v4i32 (or (and QPR:$Vn, QPR:$src1),
+                                  (and QPR:$Vm, (vnotq QPR:$src1)))))]>;
 
 //   VBIF     : Vector Bitwise Insert if False
 //              like VBSL but with: "vbif $dst, $src3, $src1", "$src2 = $dst",

diff --git a/test/MC/ARM/neon-bitwise-encoding.ll b/test/MC/ARM/neon-bitwise-encoding.ll
index a90d1409265ebeadb5e977691fadd4fcba235380..386f788486f57c1eb766bdfc723bc9a0562ff39f 100644 (file)
--- a/test/MC/ARM/neon-bitwise-encoding.ll
+++ b/test/MC/ARM/neon-bitwise-encoding.ll
@@ -113,3 +113,29 @@ define <16 x i8> @vmvn_16xi8(<16 x i8>* %A) nounwind {
        %tmp2 = xor <16 x i8> %tmp1, < i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1 >
        ret <16 x i8> %tmp2
 }
+
+; CHECK: vbsl_8xi8
+define <8 x i8> @vbsl_8xi8(<8 x i8>* %A, <8 x i8>* %B, <8 x i8>* %C) nounwind {
+       %tmp1 = load <8 x i8>* %A
+       %tmp2 = load <8 x i8>* %B
+       %tmp3 = load <8 x i8>* %C
+; CHECK: vbsl  d18, d17, d16           @ encoding: [0xb0,0x21,0x51,0xf3]
+       %tmp4 = and <8 x i8> %tmp1, %tmp2
+       %tmp5 = xor <8 x i8> %tmp1, < i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1 >
+       %tmp6 = and <8 x i8> %tmp5, %tmp3
+       %tmp7 = or <8 x i8> %tmp4, %tmp6
+       ret <8 x i8> %tmp7
+}
+
+; CHECK: vbsl_16xi8
+define <16 x i8> @vbsl_16xi8(<16 x i8>* %A, <16 x i8>* %B, <16 x i8>* %C) nounwind {
+       %tmp1 = load <16 x i8>* %A
+       %tmp2 = load <16 x i8>* %B
+       %tmp3 = load <16 x i8>* %C
+; CHECK: vbsl  q8, q10, q9             @ encoding: [0xf2,0x01,0x54,0xf3]
+       %tmp4 = and <16 x i8> %tmp1, %tmp2
+       %tmp5 = xor <16 x i8> %tmp1, < i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1 >
+       %tmp6 = and <16 x i8> %tmp5, %tmp3
+       %tmp7 = or <16 x i8> %tmp4, %tmp6
+       ret <16 x i8> %tmp7
+}
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