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Added BKPT/tBKPT (breakpoint) to the instruction table for disassembly purpose.

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llvm-svn: 95884
This commit is contained in:
Johnny Chen 2010-02-11 18:12:29 +00:00
parent 3aca1b0249
commit c6ca0de853
2 changed files with 17 additions and 0 deletions
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9
lib/Target/ARM/ARMInstrInfo.td
View File

@ -612,6 +612,15 @@ def NOP : AI<(outs), (ins), Pseudo, NoItinerary, "nop", "",
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]> {

8
lib/Target/ARM/ARMInstrThumb.td
View File

@ -132,6 +132,14 @@ PseudoInst<(outs), (ins i32imm:$amt), NoItinerary,
[(ARMcallseq_start imm:$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,