[llvm] r187490 - [SystemZ] Add RISBLG and RISBHG instruction definitions

Richard Sandiford rsandifo at linux.vnet.ibm.com
Wed Jul 31 04:17:35 PDT 2013


Author: rsandifo
Date: Wed Jul 31 06:17:35 2013
New Revision: 187490

URL: http://llvm.org/viewvc/llvm-project?rev=187490&view=rev
Log:
[SystemZ] Add RISBLG and RISBHG instruction definitions

The next patch will make use of RISBLG for codegen.

Modified:
    llvm/trunk/lib/Target/SystemZ/SystemZInstrInfo.td
    llvm/trunk/lib/Target/SystemZ/SystemZProcessors.td
    llvm/trunk/lib/Target/SystemZ/SystemZSubtarget.cpp
    llvm/trunk/lib/Target/SystemZ/SystemZSubtarget.h
    llvm/trunk/test/MC/Disassembler/SystemZ/insns.txt
    llvm/trunk/test/MC/SystemZ/insn-bad-z196.s
    llvm/trunk/test/MC/SystemZ/insn-bad.s
    llvm/trunk/test/MC/SystemZ/insn-good-z196.s

Modified: llvm/trunk/lib/Target/SystemZ/SystemZInstrInfo.td
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/SystemZ/SystemZInstrInfo.td?rev=187490&r1=187489&r2=187490&view=diff
==============================================================================
--- llvm/trunk/lib/Target/SystemZ/SystemZInstrInfo.td (original)
+++ llvm/trunk/lib/Target/SystemZ/SystemZInstrInfo.td Wed Jul 31 06:17:35 2013
@@ -867,6 +867,13 @@ let Defs = [CC] in {
   def RISBG : RotateSelectRIEf<"risbg",  0xEC55, GR64, GR64>;
 }
 
+// Forms of RISBG that only affect one word of the destination register.
+// They do not set CC.
+def RISBHG : RotateSelectRIEf<"risbhg", 0xEC5D, GR64, GR64>,
+             Requires<[FeatureHighWord]>;
+def RISBLG : RotateSelectRIEf<"risblg", 0xEC51, GR64, GR64>,
+             Requires<[FeatureHighWord]>;
+
 // Rotate second operand left and perform a logical operation with selected
 // bits of the first operand.
 let Defs = [CC] in {

Modified: llvm/trunk/lib/Target/SystemZ/SystemZProcessors.td
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/SystemZ/SystemZProcessors.td?rev=187490&r1=187489&r2=187490&view=diff
==============================================================================
--- llvm/trunk/lib/Target/SystemZ/SystemZProcessors.td (original)
+++ llvm/trunk/lib/Target/SystemZ/SystemZProcessors.td Wed Jul 31 06:17:35 2013
@@ -26,8 +26,13 @@ def FeatureLoadStoreOnCond : SystemZFeat
   "Assume that the load/store-on-condition facility is installed"
 >;
 
+def FeatureHighWord : SystemZFeature<
+  "high-word", "HighWord",
+  "Assume that the high-word facility is installed"
+>;
+
 def : Processor<"z10",   NoItineraries, []>;
 def : Processor<"z196",  NoItineraries,
-                [FeatureDistinctOps, FeatureLoadStoreOnCond]>;
+                [FeatureDistinctOps, FeatureLoadStoreOnCond, FeatureHighWord]>;
 def : Processor<"zEC12", NoItineraries,
-                [FeatureDistinctOps, FeatureLoadStoreOnCond]>;
+                [FeatureDistinctOps, FeatureLoadStoreOnCond, FeatureHighWord]>;

Modified: llvm/trunk/lib/Target/SystemZ/SystemZSubtarget.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/SystemZ/SystemZSubtarget.cpp?rev=187490&r1=187489&r2=187490&view=diff
==============================================================================
--- llvm/trunk/lib/Target/SystemZ/SystemZSubtarget.cpp (original)
+++ llvm/trunk/lib/Target/SystemZ/SystemZSubtarget.cpp Wed Jul 31 06:17:35 2013
@@ -21,7 +21,7 @@ SystemZSubtarget::SystemZSubtarget(const
                                    const std::string &CPU,
                                    const std::string &FS)
   : SystemZGenSubtargetInfo(TT, CPU, FS), HasDistinctOps(false),
-    HasLoadStoreOnCond(false), TargetTriple(TT) {
+    HasLoadStoreOnCond(false), HasHighWord(false), TargetTriple(TT) {
   std::string CPUName = CPU;
   if (CPUName.empty())
     CPUName = "z10";

Modified: llvm/trunk/lib/Target/SystemZ/SystemZSubtarget.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/SystemZ/SystemZSubtarget.h?rev=187490&r1=187489&r2=187490&view=diff
==============================================================================
--- llvm/trunk/lib/Target/SystemZ/SystemZSubtarget.h (original)
+++ llvm/trunk/lib/Target/SystemZ/SystemZSubtarget.h Wed Jul 31 06:17:35 2013
@@ -29,6 +29,7 @@ class SystemZSubtarget : public SystemZG
 protected:
   bool HasDistinctOps;
   bool HasLoadStoreOnCond;
+  bool HasHighWord;
 
 private:
   Triple TargetTriple;
@@ -46,6 +47,9 @@ public:
   // Return true if the target has the load/store-on-condition facility.
   bool hasLoadStoreOnCond() const { return HasLoadStoreOnCond; }
 
+  // Return true if the target has the high-word facility.
+  bool hasHighWord() const { return HasHighWord; }
+
   // Return true if GV can be accessed using LARL for reloc model RM
   // and code model CM.
   bool isPC32DBLSymbol(const GlobalValue *GV, Reloc::Model RM,

Modified: llvm/trunk/test/MC/Disassembler/SystemZ/insns.txt
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/MC/Disassembler/SystemZ/insns.txt?rev=187490&r1=187489&r2=187490&view=diff
==============================================================================
--- llvm/trunk/test/MC/Disassembler/SystemZ/insns.txt (original)
+++ llvm/trunk/test/MC/Disassembler/SystemZ/insns.txt Wed Jul 31 06:17:35 2013
@@ -4957,6 +4957,48 @@
 # CHECK: risbg %r4, %r5, 6, 7, 8
 0xec 0x45 0x06 0x07 0x08 0x55
 
+# CHECK: risbhg %r0, %r0, 0, 0, 0
+0xec 0x00 0x00 0x00 0x00 0x5d
+
+# CHECK: risbhg %r0, %r0, 0, 0, 63
+0xec 0x00 0x00 0x00 0x3f 0x5d
+
+# CHECK: risbhg %r0, %r0, 0, 255, 0
+0xec 0x00 0x00 0xff 0x00 0x5d
+
+# CHECK: risbhg %r0, %r0, 255, 0, 0
+0xec 0x00 0xff 0x00 0x00 0x5d
+
+# CHECK: risbhg %r0, %r15, 0, 0, 0
+0xec 0x0f 0x00 0x00 0x00 0x5d
+
+# CHECK: risbhg %r15, %r0, 0, 0, 0
+0xec 0xf0 0x00 0x00 0x00 0x5d
+
+# CHECK: risbhg %r4, %r5, 6, 7, 8
+0xec 0x45 0x06 0x07 0x08 0x5d
+
+# CHECK: risblg %r0, %r0, 0, 0, 0
+0xec 0x00 0x00 0x00 0x00 0x51
+
+# CHECK: risblg %r0, %r0, 0, 0, 63
+0xec 0x00 0x00 0x00 0x3f 0x51
+
+# CHECK: risblg %r0, %r0, 0, 255, 0
+0xec 0x00 0x00 0xff 0x00 0x51
+
+# CHECK: risblg %r0, %r0, 255, 0, 0
+0xec 0x00 0xff 0x00 0x00 0x51
+
+# CHECK: risblg %r0, %r15, 0, 0, 0
+0xec 0x0f 0x00 0x00 0x00 0x51
+
+# CHECK: risblg %r15, %r0, 0, 0, 0
+0xec 0xf0 0x00 0x00 0x00 0x51
+
+# CHECK: risblg %r4, %r5, 6, 7, 8
+0xec 0x45 0x06 0x07 0x08 0x51
+
 # CHECK: rnsbg %r0, %r0, 0, 0, 0
 0xec 0x00 0x00 0x00 0x00 0x54
 

Modified: llvm/trunk/test/MC/SystemZ/insn-bad-z196.s
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/MC/SystemZ/insn-bad-z196.s?rev=187490&r1=187489&r2=187490&view=diff
==============================================================================
--- llvm/trunk/test/MC/SystemZ/insn-bad-z196.s (original)
+++ llvm/trunk/test/MC/SystemZ/insn-bad-z196.s Wed Jul 31 06:17:35 2013
@@ -75,6 +75,46 @@
 	locr	%r0,%r0,16
 
 #CHECK: error: invalid operand
+#CHECK: risbhg	%r0,%r0,0,0,-1
+#CHECK: error: invalid operand
+#CHECK: risbhg	%r0,%r0,0,0,64
+#CHECK: error: invalid operand
+#CHECK: risbhg	%r0,%r0,0,-1,0
+#CHECK: error: invalid operand
+#CHECK: risbhg	%r0,%r0,0,256,0
+#CHECK: error: invalid operand
+#CHECK: risbhg	%r0,%r0,-1,0,0
+#CHECK: error: invalid operand
+#CHECK: risbhg	%r0,%r0,256,0,0
+
+	risbhg	%r0,%r0,0,0,-1
+	risbhg	%r0,%r0,0,0,64
+	risbhg	%r0,%r0,0,-1,0
+	risbhg	%r0,%r0,0,256,0
+	risbhg	%r0,%r0,-1,0,0
+	risbhg	%r0,%r0,256,0,0
+
+#CHECK: error: invalid operand
+#CHECK: risblg	%r0,%r0,0,0,-1
+#CHECK: error: invalid operand
+#CHECK: risblg	%r0,%r0,0,0,64
+#CHECK: error: invalid operand
+#CHECK: risblg	%r0,%r0,0,-1,0
+#CHECK: error: invalid operand
+#CHECK: risblg	%r0,%r0,0,256,0
+#CHECK: error: invalid operand
+#CHECK: risblg	%r0,%r0,-1,0,0
+#CHECK: error: invalid operand
+#CHECK: risblg	%r0,%r0,256,0,0
+
+	risblg	%r0,%r0,0,0,-1
+	risblg	%r0,%r0,0,0,64
+	risblg	%r0,%r0,0,-1,0
+	risblg	%r0,%r0,0,256,0
+	risblg	%r0,%r0,-1,0,0
+	risblg	%r0,%r0,256,0,0
+
+#CHECK: error: invalid operand
 #CHECK: sllk	%r0,%r0,-524289
 #CHECK: error: invalid operand
 #CHECK: sllk	%r0,%r0,524288

Modified: llvm/trunk/test/MC/SystemZ/insn-bad.s
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/MC/SystemZ/insn-bad.s?rev=187490&r1=187489&r2=187490&view=diff
==============================================================================
--- llvm/trunk/test/MC/SystemZ/insn-bad.s (original)
+++ llvm/trunk/test/MC/SystemZ/insn-bad.s Wed Jul 31 06:17:35 2013
@@ -2176,6 +2176,16 @@
 	risbg	%r0,%r0,-1,0,0
 	risbg	%r0,%r0,256,0,0
 
+#CHECK: error: {{(instruction requires: high-word)?}}
+#CHECK: risbhg	%r1, %r2, 0, 0, 0
+
+	risbhg	%r1, %r2, 0, 0, 0
+
+#CHECK: error: {{(instruction requires: high-word)?}}
+#CHECK: risblg	%r1, %r2, 0, 0, 0
+
+	risblg	%r1, %r2, 0, 0, 0
+
 #CHECK: error: invalid operand
 #CHECK: rnsbg	%r0,%r0,0,0,-1
 #CHECK: error: invalid operand

Modified: llvm/trunk/test/MC/SystemZ/insn-good-z196.s
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/MC/SystemZ/insn-good-z196.s?rev=187490&r1=187489&r2=187490&view=diff
==============================================================================
--- llvm/trunk/test/MC/SystemZ/insn-good-z196.s (original)
+++ llvm/trunk/test/MC/SystemZ/insn-good-z196.s Wed Jul 31 06:17:35 2013
@@ -337,6 +337,38 @@
 	ork	%r15,%r0,%r0
 	ork	%r7,%r8,%r9
 
+#CHECK: risbhg	%r0, %r0, 0, 0, 0       # encoding: [0xec,0x00,0x00,0x00,0x00,0x5d]
+#CHECK: risbhg	%r0, %r0, 0, 0, 63      # encoding: [0xec,0x00,0x00,0x00,0x3f,0x5d]
+#CHECK: risbhg	%r0, %r0, 0, 255, 0     # encoding: [0xec,0x00,0x00,0xff,0x00,0x5d]
+#CHECK: risbhg	%r0, %r0, 255, 0, 0     # encoding: [0xec,0x00,0xff,0x00,0x00,0x5d]
+#CHECK: risbhg	%r0, %r15, 0, 0, 0      # encoding: [0xec,0x0f,0x00,0x00,0x00,0x5d]
+#CHECK: risbhg	%r15, %r0, 0, 0, 0      # encoding: [0xec,0xf0,0x00,0x00,0x00,0x5d]
+#CHECK: risbhg	%r4, %r5, 6, 7, 8       # encoding: [0xec,0x45,0x06,0x07,0x08,0x5d]
+
+	risbhg	%r0,%r0,0,0,0
+	risbhg	%r0,%r0,0,0,63
+	risbhg	%r0,%r0,0,255,0
+	risbhg	%r0,%r0,255,0,0
+	risbhg	%r0,%r15,0,0,0
+	risbhg	%r15,%r0,0,0,0
+	risbhg	%r4,%r5,6,7,8
+
+#CHECK: risblg	%r0, %r0, 0, 0, 0       # encoding: [0xec,0x00,0x00,0x00,0x00,0x51]
+#CHECK: risblg	%r0, %r0, 0, 0, 63      # encoding: [0xec,0x00,0x00,0x00,0x3f,0x51]
+#CHECK: risblg	%r0, %r0, 0, 255, 0     # encoding: [0xec,0x00,0x00,0xff,0x00,0x51]
+#CHECK: risblg	%r0, %r0, 255, 0, 0     # encoding: [0xec,0x00,0xff,0x00,0x00,0x51]
+#CHECK: risblg	%r0, %r15, 0, 0, 0      # encoding: [0xec,0x0f,0x00,0x00,0x00,0x51]
+#CHECK: risblg	%r15, %r0, 0, 0, 0      # encoding: [0xec,0xf0,0x00,0x00,0x00,0x51]
+#CHECK: risblg	%r4, %r5, 6, 7, 8       # encoding: [0xec,0x45,0x06,0x07,0x08,0x51]
+
+	risblg	%r0,%r0,0,0,0
+	risblg	%r0,%r0,0,0,63
+	risblg	%r0,%r0,0,255,0
+	risblg	%r0,%r0,255,0,0
+	risblg	%r0,%r15,0,0,0
+	risblg	%r15,%r0,0,0,0
+	risblg	%r4,%r5,6,7,8
+
 #CHECK: sgrk	%r0, %r0, %r0           # encoding: [0xb9,0xe9,0x00,0x00]
 #CHECK: sgrk	%r0, %r0, %r15          # encoding: [0xb9,0xe9,0xf0,0x00]
 #CHECK: sgrk	%r0, %r15, %r0          # encoding: [0xb9,0xe9,0x00,0x0f]





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