diff options
| author | Jim Grosbach <grosbach@apple.com> | 2011-08-11 23:51:13 +0000 |
|---|---|---|
| committer | Jim Grosbach <grosbach@apple.com> | 2011-08-11 23:51:13 +0000 |
| commit | 857e1a7b3fcc848a6508f9205f22e8e0d293dcae (patch) | |
| tree | 36438217645406047bdb4e808e5d6a2bf5835867 | |
| parent | 5093fe69b490665f091309cd4b266fd5ff4ba452 (diff) | |
ARM vector compare to zero instruction assembly parsing support.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137389 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | lib/Target/ARM/AsmParser/ARMAsmParser.cpp | 15 | ||||
| -rw-r--r-- | test/MC/ARM/neon-cmp-encoding.s | 7 |
2 files changed, 15 insertions, 7 deletions
diff --git a/lib/Target/ARM/AsmParser/ARMAsmParser.cpp b/lib/Target/ARM/AsmParser/ARMAsmParser.cpp index 07570ae8e2..13a7f0b902 100644 --- a/lib/Target/ARM/AsmParser/ARMAsmParser.cpp +++ b/lib/Target/ARM/AsmParser/ARMAsmParser.cpp @@ -2865,6 +2865,21 @@ bool ARMAsmParser::ParseInstruction(StringRef Name, SMLoc NameLoc, Operands.erase(Operands.begin() + 1); delete Op; } + + // The vector-compare-to-zero instructions have a literal token "#0" at + // the end that comes to here as an immediate operand. Convert it to a + // token to play nicely with the matcher. + if ((Mnemonic == "vceq" || Mnemonic == "vcge" || Mnemonic == "vcgt" || + Mnemonic == "vcle" || Mnemonic == "vclt") && Operands.size() == 6 && + static_cast<ARMOperand*>(Operands[5])->isImm()) { + ARMOperand *Op = static_cast<ARMOperand*>(Operands[5]); + const MCConstantExpr *CE = dyn_cast<MCConstantExpr>(Op->getImm()); + if (CE && CE->getValue() == 0) { + Operands.erase(Operands.begin() + 5); + Operands.push_back(ARMOperand::CreateToken("#0", Op->getStartLoc())); + delete Op; + } + } return false; } diff --git a/test/MC/ARM/neon-cmp-encoding.s b/test/MC/ARM/neon-cmp-encoding.s index 6bfc549e94..4933e72034 100644 --- a/test/MC/ARM/neon-cmp-encoding.s +++ b/test/MC/ARM/neon-cmp-encoding.s @@ -1,11 +1,4 @@ @ RUN: llvm-mc -mcpu=cortex-a8 -triple arm-unknown-unknown -show-encoding < %s | FileCheck %s -@ XFAIL: * - -@ FIXME: We cannot currently test the following instructions, which are -@ currently marked as for-disassembly only in the .td files: -@ - VCEQz -@ - VCGEz, VCLEz -@ - VCGTz, VCLTz @ CHECK: vceq.i8 d16, d16, d17 @ encoding: [0xb1,0x08,0x40,0xf3] vceq.i8 d16, d16, d17 |