diff options
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/Target/AArch64/AArch64InstrInfo.td | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/llvm/lib/Target/AArch64/AArch64InstrInfo.td b/llvm/lib/Target/AArch64/AArch64InstrInfo.td index 48ac7b8f681..7a0690dae7d 100644 --- a/llvm/lib/Target/AArch64/AArch64InstrInfo.td +++ b/llvm/lib/Target/AArch64/AArch64InstrInfo.td @@ -613,10 +613,12 @@ def : Pat<(sub GPR32:$Rn, arith_shifted_reg32:$Rm), (SUBSWrs GPR32:$Rn, arith_shifted_reg32:$Rm)>; def : Pat<(sub GPR64:$Rn, arith_shifted_reg64:$Rm), (SUBSXrs GPR64:$Rn, arith_shifted_reg64:$Rm)>; +let AddedComplexity = 1 in { def : Pat<(sub GPR32sp:$R2, arith_extended_reg32<i32>:$R3), (SUBSWrx GPR32sp:$R2, arith_extended_reg32<i32>:$R3)>; def : Pat<(sub GPR64sp:$R2, arith_extended_reg32to64<i64>:$R3), (SUBSXrx GPR64sp:$R2, arith_extended_reg32to64<i64>:$R3)>; +} // Because of the immediate format for add/sub-imm instructions, the // expression (add x, -1) must be transformed to (SUB{W,X}ri x, 1). |
