Use NEON vmin/vmax instructions for floating-point selects.

[oota-llvm.git] / lib / Target / ARM / ARMInstrNEON.td

diff --git a/lib/Target/ARM/ARMInstrNEON.td b/lib/Target/ARM/ARMInstrNEON.td
index f981572c76c9adb4f13bb1f3b97ab5eeb7a47ac8..99e819706576b4cafbfcfe093ed01148a8e40e54 100644 (file)
--- a/lib/Target/ARM/ARMInstrNEON.td
+++ b/lib/Target/ARM/ARMInstrNEON.td
@@ -89,6 +89,11 @@ def NEONzip       : SDNode<"ARMISD::VZIP", SDTARMVSHUF2>;
 def NEONuzp       : SDNode<"ARMISD::VUZP", SDTARMVSHUF2>;
 def NEONtrn       : SDNode<"ARMISD::VTRN", SDTARMVSHUF2>;
 
+def SDTARMFMAX    : SDTypeProfile<1, 2, [SDTCisVT<0, f32>, SDTCisSameAs<0, 1>,
+                                         SDTCisSameAs<0, 2>]>;
+def NEONfmax      : SDNode<"ARMISD::FMAX", SDTARMFMAX>;
+def NEONfmin      : SDNode<"ARMISD::FMIN", SDTARMFMAX>;
+
 //===----------------------------------------------------------------------===//
 // NEON operand definitions
 //===----------------------------------------------------------------------===//
@@ -3023,6 +3028,20 @@ def  VNEGfd_sfp : N2V<0b11, 0b11, 0b10, 0b01, 0b01111, 0, 0,
                       "vneg", "f32", "$dst, $src", "", []>;
 def : N2VSPat<fneg, f32, v2f32, VNEGfd_sfp>;
 
+// Vector Maximum used for single-precision FP
+let neverHasSideEffects = 1 in
+def VMAXfd_sfp : N3V<0, 0, 0b00, 0b1111, 0, 0, (outs DPR_VFP2:$dst),
+                     (ins DPR_VFP2:$src1, DPR_VFP2:$src2), IIC_VBIND,
+                     "vmax", "f32", "$dst, $src1, $src2", "", []>;
+def : N3VSPat<NEONfmax, VMAXfd_sfp>;
+
+// Vector Minimum used for single-precision FP
+let neverHasSideEffects = 1 in
+def VMINfd_sfp : N3V<0, 0, 0b00, 0b1111, 0, 0, (outs DPR_VFP2:$dst),
+                     (ins DPR_VFP2:$src1, DPR_VFP2:$src2), IIC_VBIND,
+                     "vmin", "f32", "$dst, $src1, $src2", "", []>;
+def : N3VSPat<NEONfmin, VMINfd_sfp>;
+
 // Vector Convert between single-precision FP and integer
 let neverHasSideEffects = 1 in
 def  VCVTf2sd_sfp : N2VS<0b11, 0b11, 0b10, 0b11, 0b01110, 0, "vcvt", "s32.f32",