diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/Target/SystemZ/SystemZISelDAGToDAG.cpp | 6 | ||||
| -rw-r--r-- | lib/Target/SystemZ/SystemZInstrInfo.td | 51 |
2 files changed, 57 insertions, 0 deletions
diff --git a/lib/Target/SystemZ/SystemZISelDAGToDAG.cpp b/lib/Target/SystemZ/SystemZISelDAGToDAG.cpp index e4df02be06..a318536c06 100644 --- a/lib/Target/SystemZ/SystemZISelDAGToDAG.cpp +++ b/lib/Target/SystemZ/SystemZISelDAGToDAG.cpp @@ -56,6 +56,12 @@ namespace { return CurDAG->getTargetConstant(Imm, MVT::i16); } + /// getI32Imm - Return a target constant with the specified value, of type + /// i32. + inline SDValue getI32Imm(uint64_t Imm) { + return CurDAG->getTargetConstant(Imm, MVT::i32); + } + // Include the pieces autogenerated from the target description. #include "SystemZGenDAGISel.inc" diff --git a/lib/Target/SystemZ/SystemZInstrInfo.td b/lib/Target/SystemZ/SystemZInstrInfo.td index 01f63b3af7..6008c49971 100644 --- a/lib/Target/SystemZ/SystemZInstrInfo.td +++ b/lib/Target/SystemZ/SystemZInstrInfo.td @@ -45,6 +45,16 @@ def HH16 : SDNodeXForm<imm, [{ return getI16Imm((N->getZExtValue() & 0xFFFF000000000000ULL) >> 48); }]>; +def LO32 : SDNodeXForm<imm, [{ + // Transformation function: return low 32 bits. + return getI32Imm(N->getZExtValue() & 0x00000000FFFFFFFFULL); +}]>; + +def HI32 : SDNodeXForm<imm, [{ + // Transformation function: return bits 32-63. + return getI32Imm(N->getZExtValue() >> 32); +}]>; + def i64ll16 : PatLeaf<(i64 imm), [{ // i64ll16 predicate - true if the 64-bit immediate has only rightmost 16 // bits set. @@ -73,6 +83,24 @@ def immSExt16 : PatLeaf<(i64 imm), [{ return ((int64_t)val == (int16_t)val); }]>; +def immSExt32 : PatLeaf<(i64 imm), [{ + // immSExt32 predicate - true if the immediate fits in a 32-bit sign extended + // field. + uint64_t val = N->getZExtValue(); + return ((int64_t)val == (int32_t)val); +}]>; + +def i64lo32 : PatLeaf<(i64 imm), [{ + // i64lo32 predicate - true if the 64-bit immediate has only rightmost 32 + // bits set. + return ((N->getZExtValue() & 0x00000000FFFFFFFFULL) == N->getZExtValue()); +}], LO32>; + +def i64hi32 : PatLeaf<(i64 imm), [{ + // i64hi32 predicate - true if the 64-bit immediate has only bits 32-63 set. + return ((N->getZExtValue() & 0xFFFFFFFF00000000ULL) == N->getZExtValue()); +}], HI32>; + //===----------------------------------------------------------------------===// // Control Flow Instructions... // @@ -97,6 +125,29 @@ let isReMaterializable = 1, isAsCheapAsAMove = 1 in { def MOV64ri16 : Pseudo<(outs GR64:$dst), (ins i64imm:$src), "lghi\t{$dst, $src}", [(set GR64:$dst, immSExt16:$src)]>; + +def MOV64rill16 : Pseudo<(outs GR64:$dst), (ins i64imm:$src), + "llill\t{$dst, $src}", + [(set GR64:$dst, i64ll16:$src)]>; +def MOV64rilh16 : Pseudo<(outs GR64:$dst), (ins i64imm:$src), + "llilh\t{$dst, $src}", + [(set GR64:$dst, i64lh16:$src)]>; +def MOV64rihl16 : Pseudo<(outs GR64:$dst), (ins i64imm:$src), + "llihl\t{$dst, $src}", + [(set GR64:$dst, i64hl16:$src)]>; +def MOV64rihh16 : Pseudo<(outs GR64:$dst), (ins i64imm:$src), + "llihh\t{$dst, $src}", + [(set GR64:$dst, i64hh16:$src)]>; +// FIXME: these 3 instructions seem to require extimm facility +def MOV64ri32 : Pseudo<(outs GR64:$dst), (ins i64imm:$src), + "lgfi\t{$dst, $src}", + [(set GR64:$dst, immSExt32:$src)]>; +def MOV64rilo32 : Pseudo<(outs GR64:$dst), (ins i64imm:$src), + "llilf\t{$dst, $src}", + [(set GR64:$dst, i64lo32:$src)]>; +def MOV64rihi32 : Pseudo<(outs GR64:$dst), (ins i64imm:$src), + "llihf\t{$dst, $src}", + [(set GR64:$dst, i64hi32:$src)]>; } //===----------------------------------------------------------------------===// |