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author | Akira Hatanaka <ahatanaka@mips.com> | 2012-08-22 02:51:28 +0000 |
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committer | Akira Hatanaka <ahatanaka@mips.com> | 2012-08-22 02:51:28 +0000 |
commit | 6522a9e04bcfa447299f4fd10ee9afffd5834a47 (patch) | |
tree | c20bfd362be1ec683291fd6987a1e5da93bab17f /lib/Target/Mips | |
parent | c8f267f66931c4358f11a2934e8b6234d9b7f0bd (diff) | |
download | external_llvm-6522a9e04bcfa447299f4fd10ee9afffd5834a47.zip external_llvm-6522a9e04bcfa447299f4fd10ee9afffd5834a47.tar.gz external_llvm-6522a9e04bcfa447299f4fd10ee9afffd5834a47.tar.bz2 |
Add option disable-mips-delay-filler. Turn on mips' delay slot filler by
default.
Patch by Carl Norum.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162339 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/Mips')
-rw-r--r-- | lib/Target/Mips/MipsDelaySlotFiller.cpp | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/lib/Target/Mips/MipsDelaySlotFiller.cpp b/lib/Target/Mips/MipsDelaySlotFiller.cpp index 2bba8a3..8fe3ba6 100644 --- a/lib/Target/Mips/MipsDelaySlotFiller.cpp +++ b/lib/Target/Mips/MipsDelaySlotFiller.cpp @@ -30,10 +30,11 @@ STATISTIC(FilledSlots, "Number of delay slots filled"); STATISTIC(UsefulSlots, "Number of delay slots filled with instructions that" " are not NOP."); -static cl::opt<bool> EnableDelaySlotFiller( - "enable-mips-delay-filler", +static cl::opt<bool> DisableDelaySlotFiller( + "disable-mips-delay-filler", cl::init(false), - cl::desc("Fill the Mips delay slots useful instructions."), + cl::desc("Disable the delay slot filler, which attempts to fill the Mips" + "delay slots with useful instructions."), cl::Hidden); // This option can be used to silence complaints by machine verifier passes. @@ -114,7 +115,7 @@ runOnMachineBasicBlock(MachineBasicBlock &MBB) { InstrIter D; - if (EnableDelaySlotFiller && findDelayInstr(MBB, I, D)) { + if (!DisableDelaySlotFiller && findDelayInstr(MBB, I, D)) { MBB.splice(llvm::next(I), &MBB, D); ++UsefulSlots; } else |