[llvm-commits] [llvm] r132336 - in /llvm/trunk: include/llvm/IntrinsicsXCore.td lib/Target/XCore/XCoreInstrInfo.td test/CodeGen/XCore/bitrev.ll test/CodeGen/XCore/misc-intrinsics.ll

[Richard Osborne]

Author: friedgold
Date: Tue May 31 09:47:36 2011
New Revision: 132336

URL: http://llvm.org/viewvc/llvm-project?rev=132336&view=rev
Log:
Add XCore intrinsic for crc32.

Added:
    llvm/trunk/test/CodeGen/XCore/misc-intrinsics.ll
      - copied, changed from r132335, llvm/trunk/test/CodeGen/XCore/bitrev.ll
Removed:
    llvm/trunk/test/CodeGen/XCore/bitrev.ll
Modified:
    llvm/trunk/include/llvm/IntrinsicsXCore.td
    llvm/trunk/lib/Target/XCore/XCoreInstrInfo.td

Modified: llvm/trunk/include/llvm/IntrinsicsXCore.td
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/IntrinsicsXCore.td?rev=132336&r1=132335&r2=132336&view=diff
==============================================================================
--- llvm/trunk/include/llvm/IntrinsicsXCore.td (original)
+++ llvm/trunk/include/llvm/IntrinsicsXCore.td Tue May 31 09:47:36 2011
@@ -11,6 +11,7 @@
 let TargetPrefix = "xcore" in {  // All intrinsics start with "llvm.xcore.".
   // Miscellaneous instructions.
   def int_xcore_bitrev : Intrinsic<[llvm_i32_ty],[llvm_i32_ty],[IntrNoMem]>;
+  def int_xcore_crc32 : Intrinsic<[llvm_i32_ty],[llvm_i32_ty,llvm_i32_ty,llvm_i32_ty],[IntrNoMem]>;
   def int_xcore_getid : Intrinsic<[llvm_i32_ty],[],[IntrNoMem]>;
   def int_xcore_getps : Intrinsic<[llvm_i32_ty],[llvm_i32_ty]>;
   def int_xcore_setps : Intrinsic<[],[llvm_i32_ty, llvm_i32_ty]>;

Modified: llvm/trunk/lib/Target/XCore/XCoreInstrInfo.td
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/XCore/XCoreInstrInfo.td?rev=132336&r1=132335&r2=132336&view=diff
==============================================================================
--- llvm/trunk/lib/Target/XCore/XCoreInstrInfo.td (original)
+++ llvm/trunk/lib/Target/XCore/XCoreInstrInfo.td Tue May 31 09:47:36 2011
@@ -472,7 +472,13 @@
 }
 def XOR_l3r : FL3R<"xor", xor>;
 defm ASHR : FL3R_L2RBITP<"ashr", sra>;
-// TODO crc32, crc8, inpw, outpw
+
+let Constraints = "$src1 = $dst" in
+def CRC_l3r : _FL3R<(outs GRRegs:$dst), (ins GRRegs:$src1, GRRegs:$src2, GRRegs:$src3),
+                     "crc32 $dst, $src2, $src3",
+                     [(set GRRegs:$dst, (int_xcore_crc32 GRRegs:$src1, GRRegs:$src2, GRRegs:$src3))]>;
+
+// TODO inpw, outpw
 let mayStore=1 in {
 def ST16_l3r : _FL3R<(outs), (ins GRRegs:$val, GRRegs:$addr, GRRegs:$offset),
                 "st16 $val, $addr[$offset]",

Removed: llvm/trunk/test/CodeGen/XCore/bitrev.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/XCore/bitrev.ll?rev=132335&view=auto
==============================================================================
--- llvm/trunk/test/CodeGen/XCore/bitrev.ll (original)
+++ llvm/trunk/test/CodeGen/XCore/bitrev.ll (removed)
@@ -1,9 +0,0 @@
-; RUN: llc < %s -march=xcore | FileCheck %s
-declare i32 @llvm.xcore.bitrev(i32)
-
-define i32 @bitrev(i32 %val) {
-; CHECK: bitrev:
-; CHECK: bitrev r0, r0
-	%result = call i32 @llvm.xcore.bitrev(i32 %val)
-	ret i32 %result
-}

Copied: llvm/trunk/test/CodeGen/XCore/misc-intrinsics.ll (from r132335, llvm/trunk/test/CodeGen/XCore/bitrev.ll)
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/XCore/misc-intrinsics.ll?p2=llvm/trunk/test/CodeGen/XCore/misc-intrinsics.ll&p1=llvm/trunk/test/CodeGen/XCore/bitrev.ll&r1=132335&r2=132336&rev=132336&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/XCore/bitrev.ll (original)
+++ llvm/trunk/test/CodeGen/XCore/misc-intrinsics.ll Tue May 31 09:47:36 2011
@@ -1,5 +1,6 @@
 ; RUN: llc < %s -march=xcore | FileCheck %s
 declare i32 @llvm.xcore.bitrev(i32)
+declare i32 @llvm.xcore.crc32(i32, i32, i32)
 
 define i32 @bitrev(i32 %val) {
 ; CHECK: bitrev:
@@ -7,3 +8,10 @@
 	%result = call i32 @llvm.xcore.bitrev(i32 %val)
 	ret i32 %result
 }
+
+define i32 @crc32(i32 %crc, i32 %data, i32 %poly) {
+; CHECK: crc32:
+; CHECK: crc32 r0, r1, r2
+	%result = call i32 @llvm.xcore.crc32(i32 %crc, i32 %data, i32 %poly)
+	ret i32 %result
+}