Added 128-bit packed integer subtraction.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27096 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Target/X86/X86ISelLowering.cpp b/lib/Target/X86/X86ISelLowering.cpp
index 0a9f4b4ed71827499b0562ebcef0494f54ce4294..01951e636ae169734f12036d4ec3eccab5e133c3 100644 (file)
--- a/lib/Target/X86/X86ISelLowering.cpp
+++ b/lib/Target/X86/X86ISelLowering.cpp
@@ -294,6 +294,9 @@ X86TargetLowering::X86TargetLowering(TargetMachine &TM)
     setOperationAction(ISD::ADD,              MVT::v8i16, Legal);
     setOperationAction(ISD::ADD,              MVT::v4i32, Legal);
     setOperationAction(ISD::SUB,              MVT::v2f64, Legal);
+    setOperationAction(ISD::SUB,              MVT::v16i8, Legal);
+    setOperationAction(ISD::SUB,              MVT::v8i16, Legal);
+    setOperationAction(ISD::SUB,              MVT::v4i32, Legal);
     setOperationAction(ISD::MUL,              MVT::v2f64, Legal);
     setOperationAction(ISD::LOAD,             MVT::v2f64, Legal);
     setOperationAction(ISD::LOAD,             MVT::v16i8, Legal);

diff --git a/lib/Target/X86/X86InstrSSE.td b/lib/Target/X86/X86InstrSSE.td
index af158f9898db70a3b6adda1de629626a1d075fcb..fd978771188e6207193ef203e880b28701195b0e 100644 (file)
--- a/lib/Target/X86/X86InstrSSE.td
+++ b/lib/Target/X86/X86InstrSSE.td
@@ -862,6 +862,29 @@ def PADDDrm : PDI<0xFE, MRMSrcMem, (ops VR128:$dst, VR128:$src1, f128mem:$src2),
                   "paddd {$src2, $dst|$dst, $src2}",
               [(set VR128:$dst, (v4i32 (add VR128:$src1,
                                         (load addr:$src2))))]>;
+
+def PSUBBrr : PDI<0xF8, MRMSrcReg, (ops VR128:$dst, VR128:$src1, VR128:$src2),
+                  "psubb {$src2, $dst|$dst, $src2}",
+              [(set VR128:$dst, (v16i8 (sub VR128:$src1, VR128:$src2)))]>;
+def PSUBWrr : PDI<0xF9, MRMSrcReg, (ops VR128:$dst, VR128:$src1, VR128:$src2),
+                  "psubw {$src2, $dst|$dst, $src2}",
+              [(set VR128:$dst, (v8i16 (sub VR128:$src1, VR128:$src2)))]>;
+def PSUBDrr : PDI<0xFA, MRMSrcReg, (ops VR128:$dst, VR128:$src1, VR128:$src2),
+                  "psubd {$src2, $dst|$dst, $src2}",
+              [(set VR128:$dst, (v4i32 (sub VR128:$src1, VR128:$src2)))]>;
+
+def PSUBBrm : PDI<0xF8, MRMSrcMem, (ops VR128:$dst, VR128:$src1, f128mem:$src2),
+                  "psubb {$src2, $dst|$dst, $src2}",
+              [(set VR128:$dst, (v16i8 (sub VR128:$src1,
+                                        (load addr:$src2))))]>;
+def PSUBWrm : PDI<0xF9, MRMSrcMem, (ops VR128:$dst, VR128:$src1, f128mem:$src2),
+                  "psubw {$src2, $dst|$dst, $src2}",
+              [(set VR128:$dst, (v8i16 (sub VR128:$src1,
+                                        (load addr:$src2))))]>;
+def PSUBDrm : PDI<0xFA, MRMSrcMem, (ops VR128:$dst, VR128:$src1, f128mem:$src2),
+                  "psubd {$src2, $dst|$dst, $src2}",
+              [(set VR128:$dst, (v4i32 (sub VR128:$src1,
+                                        (load addr:$src2))))]>;
 }
 
 //===----------------------------------------------------------------------===//