diff options
Diffstat (limited to 'llvm/lib/Target/M88k/M88kCombine.td')
| -rw-r--r-- | llvm/lib/Target/M88k/M88kCombine.td | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/llvm/lib/Target/M88k/M88kCombine.td b/llvm/lib/Target/M88k/M88kCombine.td index c2d4456..d11e930 100644 --- a/llvm/lib/Target/M88k/M88kCombine.td +++ b/llvm/lib/Target/M88k/M88kCombine.td @@ -98,15 +98,17 @@ def subsub_from_subicmp : GICombineRule< // Dst, UnusedCarry = G_USUBE SrcA, Zero, Carry // with SrcB' and SrcC' derived from SrcB and SrcC. def subadd_from_subicmp : GICombineRule< - (defs root:$root, build_fn_matchinfo:$matchinfo), - (match (wip_match_opcode G_SUB):$root, - [{ return matchSubAddFromSubICmp(*${root}, MRI, ${matchinfo}); }]), - (apply [{ Helper.applyBuildFn(*${root}, ${matchinfo}); }])>; + (defs root:$dst, build_fn_matchinfo:$matchinfo), + (match //(G_ICMP $icmp, $cc, $src2, $src3), + (G_ZEXT $zext, $icmp), + (G_SUB $dst, $src1, $zext):$submi, + [{ return matchSubAddFromSubICmp(*${submi}, MRI, ${matchinfo}); }]), + (apply [{ Helper.applyBuildFn(*${submi}, ${matchinfo}); }])>; // Combine // Unused, CarryBit = G_USUBU SrcB, SrcC // Carry = G_ZEXT CarryBit -// Dst = G_UADD SrcA, Carry +// Dst = G_ADD SrcA, Carry // into the instruction sequence // Unused, Carry = G_USUBO SrcB, SrcC // Dst, UnusedCarry = G_UADDE SrcA, Zero, Carry |