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author | Owen Anderson <resistor@mac.com> | 2011-08-04 18:24:14 +0000 |
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committer | Owen Anderson <resistor@mac.com> | 2011-08-04 18:24:14 +0000 |
commit | 154c41dbbc06284efd56782a8bc137a25148918e (patch) | |
tree | 4c6673483d45b1580448935a2ad4030912d3ed78 /lib/Target/ARM | |
parent | 5c4e52e49648c196f629b8623b4aca7e4c0080e3 (diff) | |
download | external_llvm-154c41dbbc06284efd56782a8bc137a25148918e.zip external_llvm-154c41dbbc06284efd56782a8bc137a25148918e.tar.gz external_llvm-154c41dbbc06284efd56782a8bc137a25148918e.tar.bz2 |
LDCL_POST and STCL_POST need one's-complement offsets, rather than two's complement offsets. Add an appropriate immediate type for them.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136896 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/ARM')
-rw-r--r-- | lib/Target/ARM/ARMInstrInfo.td | 13 | ||||
-rw-r--r-- | lib/Target/ARM/InstPrinter/ARMInstPrinter.cpp | 9 | ||||
-rw-r--r-- | lib/Target/ARM/InstPrinter/ARMInstPrinter.h | 2 |
3 files changed, 23 insertions, 1 deletions
diff --git a/lib/Target/ARM/ARMInstrInfo.td b/lib/Target/ARM/ARMInstrInfo.td index f03aced..9fac575 100644 --- a/lib/Target/ARM/ARMInstrInfo.td +++ b/lib/Target/ARM/ARMInstrInfo.td @@ -626,6 +626,17 @@ def postidx_imm8 : Operand<i32> { let MIOperandInfo = (ops i32imm); } +// postidx_imm8s4 := +/- [0,1020] +// +// 9 bit value: +// {8} 1 is imm8 is non-negative. 0 otherwise. +// {7-0} [0,255] imm8 value, scaled by 4. +def postidx_imm8s4 : Operand<i32> { + let PrintMethod = "printPostIdxImm8s4Operand"; + let MIOperandInfo = (ops i32imm); +} + + // postidx_reg := +/- reg // def PostIdxRegAsmOperand : AsmOperandClass { @@ -3974,7 +3985,7 @@ multiclass LdStCop<bits<4> op31_28, bit load, dag ops, string opc, string cond>{ def L_POST : ACI<(outs), !con((ins nohash_imm:$cop, nohash_imm:$CRd, addr_offset_none:$addr, - i32imm:$offset), ops), + postidx_imm8s4:$offset), ops), !strconcat(!strconcat(opc, "l"), cond), "\tp$cop, cr$CRd, $addr, $offset", IndexModePost> { let Inst{31-28} = op31_28; diff --git a/lib/Target/ARM/InstPrinter/ARMInstPrinter.cpp b/lib/Target/ARM/InstPrinter/ARMInstPrinter.cpp index 2394340..37359ce 100644 --- a/lib/Target/ARM/InstPrinter/ARMInstPrinter.cpp +++ b/lib/Target/ARM/InstPrinter/ARMInstPrinter.cpp @@ -382,6 +382,15 @@ void ARMInstPrinter::printPostIdxImm8Operand(const MCInst *MI, O << '#' << ((Imm & 256) ? "" : "-") << (Imm & 0xff); } +void ARMInstPrinter::printPostIdxImm8s4Operand(const MCInst *MI, + unsigned OpNum, + raw_ostream &O) { + const MCOperand &MO = MI->getOperand(OpNum); + unsigned Imm = MO.getImm(); + O << '#' << ((Imm & 256) ? "" : "-") << ((Imm & 0xff) << 2); +} + + void ARMInstPrinter::printLdStmModeOperand(const MCInst *MI, unsigned OpNum, raw_ostream &O) { ARM_AM::AMSubMode Mode = ARM_AM::getAM4SubMode(MI->getOperand(OpNum) diff --git a/lib/Target/ARM/InstPrinter/ARMInstPrinter.h b/lib/Target/ARM/InstPrinter/ARMInstPrinter.h index 9f481e9..ac78d02 100644 --- a/lib/Target/ARM/InstPrinter/ARMInstPrinter.h +++ b/lib/Target/ARM/InstPrinter/ARMInstPrinter.h @@ -55,6 +55,8 @@ public: void printAM3PreOrOffsetIndexOp(const MCInst *MI, unsigned Op,raw_ostream &O); void printPostIdxImm8Operand(const MCInst *MI, unsigned OpNum, raw_ostream &O); + void printPostIdxImm8s4Operand(const MCInst *MI, unsigned OpNum, + raw_ostream &O); void printLdStmModeOperand(const MCInst *MI, unsigned OpNum, raw_ostream &O); void printAddrMode5Operand(const MCInst *MI, unsigned OpNum, raw_ostream &O); |