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For t2BFI, both Inst{26} and Inst{5} "should" be 0.

Ref: I.1 Instruction encoding diagrams and pseudocode


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129552 91177308-0d34-0410-b5e6-96231b3b80d8
Johnny Chen 14 years ago
parent
commit
188ce9c78b
1 changed files with 4 additions and 0 deletions
  1. 4 0
      lib/Target/ARM/ARMInstrThumb2.td

+ 4 - 0
lib/Target/ARM/ARMInstrThumb2.td

@@ -2166,9 +2166,11 @@ let Constraints = "$src = $Rd" in {
                   [(set rGPR:$Rd, (ARMbfi rGPR:$src, rGPR:$Rn,
                                    bf_inv_mask_imm:$imm))]> {
     let Inst{31-27} = 0b11110;
+    let Inst{26} = 0; // should be 0.
     let Inst{25} = 1;
     let Inst{24-20} = 0b10110;
     let Inst{15} = 0;
+    let Inst{5} = 0; // should be 0.
 
     bits<10> imm;
     let msb{4-0} = imm{9-5};
@@ -2183,9 +2185,11 @@ let Constraints = "$src = $Rd" in {
                   IIC_iBITi, "bfi", "\t$Rd, $Rn, $lsbit, $width",
                   []> {
     let Inst{31-27} = 0b11110;
+    let Inst{26} = 0; // should be 0.
     let Inst{25} = 1;
     let Inst{24-20} = 0b10110;
     let Inst{15} = 0;
+    let Inst{5} = 0; // should be 0.
 
     bits<5> lsbit;
     bits<5> width;