diff options
| author | Misha Brukman <brukman+llvm@gmail.com> | 2002-12-13 04:24:53 +0000 |
|---|---|---|
| committer | Misha Brukman <brukman+llvm@gmail.com> | 2002-12-13 04:24:53 +0000 |
| commit | 07e376bd0de0ae8451c9036310e670f098555c7a (patch) | |
| tree | b01a11fa216d0204787e6f80e4d4c557b6dfe81a /lib | |
| parent | 95b12ba77500f6c0f5ec0caf38767c99dbdd4ac3 (diff) | |
Moves now select correct opcode based on the data size.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4981 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/Target/X86/X86RegisterInfo.cpp | 21 |
1 files changed, 18 insertions, 3 deletions
diff --git a/lib/Target/X86/X86RegisterInfo.cpp b/lib/Target/X86/X86RegisterInfo.cpp index a1ed317bd6..cd22d88efb 100644 --- a/lib/Target/X86/X86RegisterInfo.cpp +++ b/lib/Target/X86/X86RegisterInfo.cpp @@ -23,7 +23,6 @@ X86RegisterInfo::X86RegisterInfo() : MRegisterInfo(X86Regs, sizeof(X86Regs)/sizeof(X86Regs[0])) { } - MachineBasicBlock::iterator X86RegisterInfo::storeReg2RegOffset(MachineBasicBlock *MBB, MachineBasicBlock::iterator MBBI, @@ -31,7 +30,15 @@ X86RegisterInfo::storeReg2RegOffset(MachineBasicBlock *MBB, unsigned ImmOffset, unsigned dataSize) const { - MachineInstr *MI = addRegOffset(BuildMI(X86::MOVrm32, 5), + unsigned opcode; + switch (dataSize) { + case 1: opcode = X86::MOVrm8; break; + case 2: opcode = X86::MOVrm16; break; + case 4: opcode = X86::MOVrm32; break; + default: assert(0 && "Invalid data size!"); + } + + MachineInstr *MI = addRegOffset(BuildMI(opcode, 5), DestReg, ImmOffset).addReg(SrcReg); return ++(MBB->insert(MBBI, MI)); } @@ -43,7 +50,15 @@ X86RegisterInfo::loadRegOffset2Reg(MachineBasicBlock *MBB, unsigned ImmOffset, unsigned dataSize) const { - MachineInstr *MI = addRegOffset(BuildMI(X86::MOVmr32, 5).addReg(DestReg), + unsigned opcode; + switch (dataSize) { + case 1: opcode = X86::MOVmr8; break; + case 2: opcode = X86::MOVmr16; break; + case 4: opcode = X86::MOVmr32; break; + default: assert(0 && "Invalid data size!"); + } + + MachineInstr *MI = addRegOffset(BuildMI(opcode, 5).addReg(DestReg), SrcReg, ImmOffset); return ++(MBB->insert(MBBI, MI)); } |