diff options
| author | Richard Sandiford <rsandifo@linux.vnet.ibm.com> | 2013-07-08 09:35:23 +0000 |
|---|---|---|
| committer | Richard Sandiford <rsandifo@linux.vnet.ibm.com> | 2013-07-08 09:35:23 +0000 |
| commit | d131ff8cf81731c5088b401d0af51c8c7b9b6137 (patch) | |
| tree | f7f67dc6e60a27d02e23f953fef08629b99dff0a /llvm/lib/Target/SystemZ/SystemZOperators.td | |
| parent | fed0ccfb9ce71c92af6bdcf1d7db04df7b8b1482 (diff) | |
| download | bcm5719-llvm-d131ff8cf81731c5088b401d0af51c8c7b9b6137.tar.gz bcm5719-llvm-d131ff8cf81731c5088b401d0af51c8c7b9b6137.zip | |
[SystemZ] Use MVC for memcpy
Use MVC for memcpy in cases where a single MVC is enough. Using MVC is
a win for longer copies too, but I'll leave that for later.
llvm-svn: 185802
Diffstat (limited to 'llvm/lib/Target/SystemZ/SystemZOperators.td')
| -rw-r--r-- | llvm/lib/Target/SystemZ/SystemZOperators.td | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/llvm/lib/Target/SystemZ/SystemZOperators.td b/llvm/lib/Target/SystemZ/SystemZOperators.td index a84af7a8067..693f3a1e166 100644 --- a/llvm/lib/Target/SystemZ/SystemZOperators.td +++ b/llvm/lib/Target/SystemZ/SystemZOperators.td @@ -52,6 +52,10 @@ def SDT_ZAtomicCmpSwapW : SDTypeProfile<1, 6, SDTCisVT<4, i32>, SDTCisVT<5, i32>, SDTCisVT<6, i32>]>; +def SDT_ZCopy : SDTypeProfile<0, 3, + [SDTCisPtrTy<0>, + SDTCisPtrTy<1>, + SDTCisVT<2, i32>]>; //===----------------------------------------------------------------------===// // Node definitions @@ -103,6 +107,9 @@ def z_atomic_loadw_umin : AtomicWOp<"ATOMIC_LOADW_UMIN">; def z_atomic_loadw_umax : AtomicWOp<"ATOMIC_LOADW_UMAX">; def z_atomic_cmp_swapw : AtomicWOp<"ATOMIC_CMP_SWAPW", SDT_ZAtomicCmpSwapW>; +def z_mvc : SDNode<"SystemZISD::MVC", SDT_ZCopy, + [SDNPHasChain, SDNPMayStore, SDNPMayLoad]>; + //===----------------------------------------------------------------------===// // Pattern fragments //===----------------------------------------------------------------------===// |
