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| author | Kevin Enderby <enderby@apple.com> | 2012-12-14 23:04:25 +0000 |
|---|---|---|
| committer | Kevin Enderby <enderby@apple.com> | 2012-12-14 23:04:25 +0000 |
| commit | 06aa3eb8cebb2878a862f30638f6279c40c1a719 (patch) | |
| tree | 30cf0acc019ebd18858cf86ac09e579901a2aafd /llvm/lib/Target/ARM/AsmParser | |
| parent | 1fb2e7dfe1d42d302315d3684945f3af1600e00a (diff) | |
| download | bcm5719-llvm-06aa3eb8cebb2878a862f30638f6279c40c1a719.tar.gz bcm5719-llvm-06aa3eb8cebb2878a862f30638f6279c40c1a719.zip | |
Make sure the alternate PC+imm syntax of LDR instruction with a small
immediate generates the narrow version. Needed when doing round-trip
assemble/disassemble testing using the alternate syntax that specifies
'pc' directly.
llvm-svn: 170255
Diffstat (limited to 'llvm/lib/Target/ARM/AsmParser')
| -rw-r--r-- | llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp b/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp index 4685b1d193c..6b42239747e 100644 --- a/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp +++ b/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp @@ -5723,7 +5723,12 @@ processInstruction(MCInst &Inst, } // Aliases for alternate PC+imm syntax of LDR instructions. case ARM::t2LDRpcrel: - Inst.setOpcode(ARM::t2LDRpci); + // Select the narrow version if the immediate will fit. + if (Inst.getOperand(1).getImm() > 0 && + Inst.getOperand(1).getImm() <= 0xff) + Inst.setOpcode(ARM::tLDRpci); + else + Inst.setOpcode(ARM::t2LDRpci); return true; case ARM::t2LDRBpcrel: Inst.setOpcode(ARM::t2LDRBpci); |
