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-rw-r--r--lib/Target/Mips/MipsDSPInstrInfo.td13
-rw-r--r--lib/Target/Mips/MipsInstrInfo.td5
-rw-r--r--test/CodeGen/Mips/vector-load-store.ll27
3 files changed, 45 insertions, 0 deletions
diff --git a/lib/Target/Mips/MipsDSPInstrInfo.td b/lib/Target/Mips/MipsDSPInstrInfo.td
index 1a4fd8733a..556cf6bc50 100644
--- a/lib/Target/Mips/MipsDSPInstrInfo.td
+++ b/lib/Target/Mips/MipsDSPInstrInfo.td
@@ -18,3 +18,16 @@ def immZExt4 : ImmLeaf<i32, [{return isUInt<4>(Imm);}]>;
def immZExt8 : ImmLeaf<i32, [{return isUInt<8>(Imm);}]>;
def immZExt10 : ImmLeaf<i32, [{return isUInt<10>(Imm);}]>;
def immSExt6 : ImmLeaf<i32, [{return isInt<6>(Imm);}]>;
+
+// Patterns.
+class DSPPat<dag pattern, dag result, Predicate pred = HasDSP> :
+ Pat<pattern, result>, Requires<[pred]>;
+
+def : DSPPat<(v2i16 (load addr:$a)),
+ (v2i16 (COPY_TO_REGCLASS (LW addr:$a), DSPRegs))>;
+def : DSPPat<(v4i8 (load addr:$a)),
+ (v4i8 (COPY_TO_REGCLASS (LW addr:$a), DSPRegs))>;
+def : DSPPat<(store (v2i16 DSPRegs:$val), addr:$a),
+ (SW (COPY_TO_REGCLASS DSPRegs:$val, CPURegs), addr:$a)>;
+def : DSPPat<(store (v4i8 DSPRegs:$val), addr:$a),
+ (SW (COPY_TO_REGCLASS DSPRegs:$val, CPURegs), addr:$a)>;
diff --git a/lib/Target/Mips/MipsInstrInfo.td b/lib/Target/Mips/MipsInstrInfo.td
index 073f1fbdf0..685b785bd2 100644
--- a/lib/Target/Mips/MipsInstrInfo.td
+++ b/lib/Target/Mips/MipsInstrInfo.td
@@ -1233,3 +1233,8 @@ include "MipsCondMov.td"
include "Mips16InstrFormats.td"
include "Mips16InstrInfo.td"
+
+// DSP
+include "MipsDSPInstrFormats.td"
+include "MipsDSPInstrInfo.td"
+
diff --git a/test/CodeGen/Mips/vector-load-store.ll b/test/CodeGen/Mips/vector-load-store.ll
new file mode 100644
index 0000000000..d889963099
--- /dev/null
+++ b/test/CodeGen/Mips/vector-load-store.ll
@@ -0,0 +1,27 @@
+; RUN: llc -march=mipsel -mattr=+dsp < %s | FileCheck %s
+
+@g1 = common global <2 x i16> zeroinitializer, align 4
+@g0 = common global <2 x i16> zeroinitializer, align 4
+@g3 = common global <4 x i8> zeroinitializer, align 4
+@g2 = common global <4 x i8> zeroinitializer, align 4
+
+define void @func_v2i16() nounwind {
+entry:
+; CHECK: lw
+; CHECK: sw
+
+ %0 = load <2 x i16>* @g1, align 4
+ store <2 x i16> %0, <2 x i16>* @g0, align 4
+ ret void
+}
+
+define void @func_v4i8() nounwind {
+entry:
+; CHECK: lw
+; CHECK: sw
+
+ %0 = load <4 x i8>* @g3, align 4
+ store <4 x i8> %0, <4 x i8>* @g2, align 4
+ ret void
+}
+