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 | dff0009d0ced62b92cb5900bc2203ec40142ba15 (patch) | |
| tree | d79c3350233490455c9b9c623ff5376369b3f1c2 /lib/Target/SystemZ/SystemZOperators.td | |
| parent | 12b701beea6f26d2305dc18cf09838da1d068006 (diff) | |
| download | external_llvm-dff0009d0ced62b92cb5900bc2203ec40142ba15.zip external_llvm-dff0009d0ced62b92cb5900bc2203ec40142ba15.tar.gz external_llvm-dff0009d0ced62b92cb5900bc2203ec40142ba15.tar.bz2 | |
[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.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185802 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/SystemZ/SystemZOperators.td')
| -rw-r--r-- | lib/Target/SystemZ/SystemZOperators.td | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/lib/Target/SystemZ/SystemZOperators.td b/lib/Target/SystemZ/SystemZOperators.td index a84af7a..693f3a1 100644 --- a/lib/Target/SystemZ/SystemZOperators.td +++ b/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 //===----------------------------------------------------------------------===// |