diff options
Diffstat (limited to 'llvm/lib/Target')
| -rw-r--r-- | llvm/lib/Target/SystemZ/SystemZInstrInfo.cpp | 8 | ||||
| -rw-r--r-- | llvm/lib/Target/SystemZ/SystemZInstrInfo.td | 16 |
2 files changed, 22 insertions, 2 deletions
diff --git a/llvm/lib/Target/SystemZ/SystemZInstrInfo.cpp b/llvm/lib/Target/SystemZ/SystemZInstrInfo.cpp index a1c0c36ae54..7cbb4f715b5 100644 --- a/llvm/lib/Target/SystemZ/SystemZInstrInfo.cpp +++ b/llvm/lib/Target/SystemZ/SystemZInstrInfo.cpp @@ -814,6 +814,14 @@ SystemZInstrInfo::expandPostRAPseudo(MachineBasicBlock::iterator MI) const { expandRXYPseudo(MI, SystemZ::LH, SystemZ::LHH); return true; + case SystemZ::LLCMux: + expandRXYPseudo(MI, SystemZ::LLC, SystemZ::LLCH); + return true; + + case SystemZ::LLHMux: + expandRXYPseudo(MI, SystemZ::LLH, SystemZ::LLHH); + return true; + case SystemZ::LMux: expandRXYPseudo(MI, SystemZ::L, SystemZ::LFH); return true; diff --git a/llvm/lib/Target/SystemZ/SystemZInstrInfo.td b/llvm/lib/Target/SystemZ/SystemZInstrInfo.td index 6eeb91bffac..4b50747038b 100644 --- a/llvm/lib/Target/SystemZ/SystemZInstrInfo.td +++ b/llvm/lib/Target/SystemZ/SystemZInstrInfo.td @@ -456,9 +456,21 @@ let neverHasSideEffects = 1 in { def : Pat<(and GR64:$src, 0xffffffff), (LLGFR (EXTRACT_SUBREG GR64:$src, subreg_l32))>; -// 32-bit extensions from memory. -def LLC : UnaryRXY<"llc", 0xE394, azextloadi8, GR32, 1>; +// 32-bit extensions from 8-bit memory. LLCMux expands to LLC or LLCH, +// depending on the choice of register. +def LLCMux : UnaryRXYPseudo<"llc", azextloadi8, GRX32, 1>, + Requires<[FeatureHighWord]>; +def LLC : UnaryRXY<"llc", 0xE394, azextloadi8, GR32, 1>; +def LLCH : UnaryRXY<"llch", 0xE3C2, azextloadi8, GR32, 1>, + Requires<[FeatureHighWord]>; + +// 32-bit extensions from 16-bit memory. LLHMux expands to LLH or LLHH, +// depending on the choice of register. +def LLHMux : UnaryRXYPseudo<"llh", azextloadi16, GRX32, 2>, + Requires<[FeatureHighWord]>; def LLH : UnaryRXY<"llh", 0xE395, azextloadi16, GR32, 2>; +def LLHH : UnaryRXY<"llhh", 0xE3C6, azextloadi16, GR32, 2>, + Requires<[FeatureHighWord]>; def LLHRL : UnaryRILPC<"llhrl", 0xC42, aligned_azextloadi16, GR32>; // 64-bit extensions from memory. |
