diff options
Diffstat (limited to 'contrib/llvm/lib/Target/MBlaze/MBlazeInstrInfo.td')
| -rw-r--r-- | contrib/llvm/lib/Target/MBlaze/MBlazeInstrInfo.td | 21 |
1 files changed, 13 insertions, 8 deletions
diff --git a/contrib/llvm/lib/Target/MBlaze/MBlazeInstrInfo.td b/contrib/llvm/lib/Target/MBlaze/MBlazeInstrInfo.td index 950f2d7..1d8c987 100644 --- a/contrib/llvm/lib/Target/MBlaze/MBlazeInstrInfo.td +++ b/contrib/llvm/lib/Target/MBlaze/MBlazeInstrInfo.td @@ -442,17 +442,19 @@ let Predicates=[HasMul] in { //===----------------------------------------------------------------------===// let canFoldAsLoad = 1, isReMaterializable = 1 in { - def LBU : LoadM<0x30, 0x000, "lbu ">; - def LBUR : LoadM<0x30, 0x200, "lbur ">; + let neverHasSideEffects = 1 in { + def LBU : LoadM<0x30, 0x000, "lbu ">; + def LBUR : LoadM<0x30, 0x200, "lbur ">; - def LHU : LoadM<0x31, 0x000, "lhu ">; - def LHUR : LoadM<0x31, 0x200, "lhur ">; + def LHU : LoadM<0x31, 0x000, "lhu ">; + def LHUR : LoadM<0x31, 0x200, "lhur ">; - def LW : LoadM<0x32, 0x000, "lw ">; - def LWR : LoadM<0x32, 0x200, "lwr ">; + def LW : LoadM<0x32, 0x000, "lw ">; + def LWR : LoadM<0x32, 0x200, "lwr ">; - let Defs = [CARRY] in { - def LWX : LoadM<0x32, 0x400, "lwx ">; + let Defs = [CARRY] in { + def LWX : LoadM<0x32, 0x400, "lwx ">; + } } def LBUI : LoadMI<0x38, "lbui ", zextloadi8>; @@ -877,6 +879,9 @@ def : Pat<(zextloadi8 xaddr:$addr), (i32 (LBU xaddr:$addr))>; // Peepholes def : Pat<(store (i32 0), iaddr:$dst), (SWI (i32 R0), iaddr:$dst)>; +// Atomic fence +def : Pat<(atomic_fence (imm), (imm)), (MEMBARRIER)>; + //===----------------------------------------------------------------------===// // Floating Point Support //===----------------------------------------------------------------------===// |
