R600/SI: Use S_ADD_U32 and S_SUB_U32 for low half of 64-bit operations

https://bugs.freedesktop.org/show_bug.cgi?id=83416

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@217248 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Tom Stellard
2014-09-05 14:07:59 +00:00
parent c1c5dcf069
commit 7cda2d0666
10 changed files with 16 additions and 14 deletions

View File

@@ -494,7 +494,7 @@ bool SIInstrInfo::expandPostRAPseudo(MachineBasicBlock::iterator MI) const {
BuildMI(MBB, MI, DL, get(AMDGPU::S_GETPC_B64), Reg);
// Add 32-bit offset from this instruction to the start of the constant data.
BuildMI(MBB, MI, DL, get(AMDGPU::S_ADD_I32), RegLo)
BuildMI(MBB, MI, DL, get(AMDGPU::S_ADD_U32), RegLo)
.addReg(RegLo)
.addTargetIndex(AMDGPU::TI_CONSTDATA_START)
.addReg(AMDGPU::SCC, RegState::Define | RegState::Implicit);
@@ -904,9 +904,11 @@ unsigned SIInstrInfo::getVALUOp(const MachineInstr &MI) {
case AMDGPU::S_MOV_B32:
return MI.getOperand(1).isReg() ?
AMDGPU::COPY : AMDGPU::V_MOV_B32_e32;
case AMDGPU::S_ADD_I32: return AMDGPU::V_ADD_I32_e32;
case AMDGPU::S_ADD_I32:
case AMDGPU::S_ADD_U32: return AMDGPU::V_ADD_I32_e32;
case AMDGPU::S_ADDC_U32: return AMDGPU::V_ADDC_U32_e32;
case AMDGPU::S_SUB_I32: return AMDGPU::V_SUB_I32_e32;
case AMDGPU::S_SUB_I32:
case AMDGPU::S_SUB_U32: return AMDGPU::V_SUB_I32_e32;
case AMDGPU::S_SUBB_U32: return AMDGPU::V_SUBB_U32_e32;
case AMDGPU::S_MUL_I32: return AMDGPU::V_MUL_LO_I32;
case AMDGPU::S_AND_B32: return AMDGPU::V_AND_B32_e32;