diff options
Diffstat (limited to 'llvm/lib/Target/AMDGPU/VOPInstructions.td')
| -rw-r--r-- | llvm/lib/Target/AMDGPU/VOPInstructions.td | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/llvm/lib/Target/AMDGPU/VOPInstructions.td b/llvm/lib/Target/AMDGPU/VOPInstructions.td index 520d5dd0f50..dfe18de97be 100644 --- a/llvm/lib/Target/AMDGPU/VOPInstructions.td +++ b/llvm/lib/Target/AMDGPU/VOPInstructions.td @@ -81,6 +81,8 @@ class VOP3_Pseudo <string opName, VOPProfile P, list<dag> pattern = [], let UseNamedOperandTable = 1; let VOP3_OPSEL = isVop3OpSel; let IsPacked = P.IsPacked; + // Avoid changing source registers in a way that violates constant bus read limitations. + let hasExtraSrcRegAllocReq = 1; string Mnemonic = opName; string AsmOperands = !if(isVop3OpSel, |
