For t2BFI, both Inst{26} and Inst{5} "should" be 0.
authorJohnny Chen <johnny.chen@apple.com>
Fri, 15 Apr 2011 00:35:08 +0000 (00:35 +0000)
committerJohnny Chen <johnny.chen@apple.com>
Fri, 15 Apr 2011 00:35:08 +0000 (00:35 +0000)
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

lib/Target/ARM/ARMInstrThumb2.td

index 2f4198ba8e34673f7197480b283edce1e72a2f80..685a9c31b28f5cd8635fdde03370f805fe6abf19 100644 (file)
@@ -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;