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authorHal Finkel <hfinkel@anl.gov>2012-04-01 20:08:17 +0000
committerHal Finkel <hfinkel@anl.gov>2012-04-01 20:08:17 +0000
commit19aa2b5015205456b42c426ff2559e9b930e285c (patch)
tree793ed3848a52f67804be5bf01264740368d5507f /lib
parent730acfb413849f05e9735145d6634c4429467ab7 (diff)
Enable prefetch generation on PPC64.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153851 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib')
-rw-r--r--lib/Target/PowerPC/PPCISelLowering.cpp3
-rw-r--r--lib/Target/PowerPC/PPCInstrInfo.td3
2 files changed, 6 insertions, 0 deletions
diff --git a/lib/Target/PowerPC/PPCISelLowering.cpp b/lib/Target/PowerPC/PPCISelLowering.cpp
index 00f2dcc8db..96b7074aa0 100644
--- a/lib/Target/PowerPC/PPCISelLowering.cpp
+++ b/lib/Target/PowerPC/PPCISelLowering.cpp
@@ -389,6 +389,9 @@ PPCTargetLowering::PPCTargetLowering(PPCTargetMachine &TM)
setOperationAction(ISD::BUILD_VECTOR, MVT::v4f32, Custom);
}
+ if (TM.getSubtarget<PPCSubtarget>().has64BitSupport())
+ setOperationAction(ISD::PREFETCH, MVT::Other, Legal);
+
setOperationAction(ISD::ATOMIC_LOAD, MVT::i32, Expand);
setOperationAction(ISD::ATOMIC_STORE, MVT::i32, Expand);
diff --git a/lib/Target/PowerPC/PPCInstrInfo.td b/lib/Target/PowerPC/PPCInstrInfo.td
index 3a6dbcaab3..748486c1ca 100644
--- a/lib/Target/PowerPC/PPCInstrInfo.td
+++ b/lib/Target/PowerPC/PPCInstrInfo.td
@@ -545,6 +545,9 @@ def DCBZL : DCB_Form<1014, 1, (outs), (ins memrr:$dst),
"dcbzl $dst", LdStDCBF, [(int_ppc_dcbzl xoaddr:$dst)]>,
PPC970_DGroup_Single;
+def : Pat<(prefetch xoaddr:$dst, (i32 0), imm, (i32 1)),
+ (DCBT xoaddr:$dst)>;
+
// Atomic operations
let usesCustomInserter = 1 in {
let Defs = [CR0] in {