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Correct writeback handling of duplicating VLD instructions. Discovered by randomized testing.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138251 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Owen Anderson
2011-08-22 18:22:06 +00:00
parent 88b7ccc7f0
commit f1c8e3e70e
2 changed files with 8 additions and 4 deletions
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8
lib/Target/ARM/Disassembler/ARMDisassembler.cpp
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@ -1992,7 +1992,7 @@ static DecodeStatus DecodeVLD1DupInstruction(llvm::MCInst &Inst, unsigned Insn,
if (regs == 2) {
CHECK(S, DecodeDPRRegisterClass(Inst, (Rd+1)%32, Address, Decoder));
}
if (Rm == 0xD) {
if (Rm != 0xF) {
CHECK(S, DecodeGPRRegisterClass(Inst, Rn, Address, Decoder));
}
@ -2023,7 +2023,7 @@ static DecodeStatus DecodeVLD2DupInstruction(llvm::MCInst &Inst, unsigned Insn,
CHECK(S, DecodeDPRRegisterClass(Inst, Rd, Address, Decoder));
CHECK(S, DecodeDPRRegisterClass(Inst, (Rd+inc)%32, Address, Decoder));
if (Rm == 0xD) {
if (Rm != 0xF) {
CHECK(S, DecodeGPRRegisterClass(Inst, Rn, Address, Decoder));
}
@ -2052,7 +2052,7 @@ static DecodeStatus DecodeVLD3DupInstruction(llvm::MCInst &Inst, unsigned Insn,
CHECK(S, DecodeDPRRegisterClass(Inst, Rd, Address, Decoder));
CHECK(S, DecodeDPRRegisterClass(Inst, (Rd+inc)%32, Address, Decoder));
CHECK(S, DecodeDPRRegisterClass(Inst, (Rd+2*inc)%32, Address, Decoder));
if (Rm == 0xD) {
if (Rm != 0xF) {
CHECK(S, DecodeGPRRegisterClass(Inst, Rn, Address, Decoder));
}
@ -2097,7 +2097,7 @@ static DecodeStatus DecodeVLD4DupInstruction(llvm::MCInst &Inst, unsigned Insn,
CHECK(S, DecodeDPRRegisterClass(Inst, (Rd+inc)%32, Address, Decoder));
CHECK(S, DecodeDPRRegisterClass(Inst, (Rd+2*inc)%32, Address, Decoder));
CHECK(S, DecodeDPRRegisterClass(Inst, (Rd+3*inc)%32, Address, Decoder));
if (Rm == 0xD) {
if (Rm != 0xF) {
CHECK(S, DecodeGPRRegisterClass(Inst, Rn, Address, Decoder));
}