[llvm-commits] [llvm] r95884 - in /llvm/trunk/lib/Target/ARM: ARMInstrInfo.td ARMInstrThumb.td

[Johnny Chen]

Author: johnny
Date: Thu Feb 11 12:12:29 2010
New Revision: 95884

URL: http://llvm.org/viewvc/llvm-project?rev=95884&view=rev
Log:
Added BKPT/tBKPT (breakpoint) to the instruction table for disassembly purpose.

Modified:
    llvm/trunk/lib/Target/ARM/ARMInstrInfo.td
    llvm/trunk/lib/Target/ARM/ARMInstrThumb.td

Modified: llvm/trunk/lib/Target/ARM/ARMInstrInfo.td
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/ARM/ARMInstrInfo.td?rev=95884&r1=95883&r2=95884&view=diff

==============================================================================
--- llvm/trunk/lib/Target/ARM/ARMInstrInfo.td (original)
+++ llvm/trunk/lib/Target/ARM/ARMInstrInfo.td Thu Feb 11 12:12:29 2010
@@ -612,6 +612,15 @@
   let Inst{7-0} = 0b00000000;
 }
 
+// The i32imm operand $val can be used by a debugger to store more information
+// about the breakpoint.
+def BKPT : AI<(outs), (ins i32imm:$val), Pseudo, NoItinerary, "bkpt", "\t$val",
+              [/* For disassembly only; pattern left blank */]>,
+           Requires<[IsARM]> {
+  let Inst{27-20} = 0b00010010;
+  let Inst{7-4} = 0b0111;
+}
+
 def DBG : AI<(outs), (ins i32imm:$opt), Pseudo, NoItinerary, "dbg", "\t$opt",
              [/* For disassembly only; pattern left blank */]>,
           Requires<[IsARM, HasV7]> {

Modified: llvm/trunk/lib/Target/ARM/ARMInstrThumb.td
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/ARM/ARMInstrThumb.td?rev=95884&r1=95883&r2=95884&view=diff

==============================================================================
--- llvm/trunk/lib/Target/ARM/ARMInstrThumb.td (original)
+++ llvm/trunk/lib/Target/ARM/ARMInstrThumb.td Thu Feb 11 12:12:29 2010
@@ -132,6 +132,14 @@
            [(ARMcallseq_start imm:$amt)]>, Requires<[IsThumb1Only]>;
 }
 
+// The i32imm operand $val can be used by a debugger to store more information
+// about the breakpoint.
+def tBKPT : T1I<(outs), (ins i32imm:$val), NoItinerary, "bkpt\t$val",
+                [/* For disassembly only; pattern left blank */]>,
+            T1Encoding<0b101111> {
+  let Inst{9-8} = 0b10;
+}
+
 // For both thumb1 and thumb2.
 let isNotDuplicable = 1 in
 def tPICADD : TIt<(outs GPR:$dst), (ins GPR:$lhs, pclabel:$cp), IIC_iALUr,