switch the use-vml[as] instructions flag to a subtarget 'feature'
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99565 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/ARM/ARMSubtarget.cpp b/lib/Target/ARM/ARMSubtarget.cpp
index 8df59e4..76ed66f 100644
--- a/lib/Target/ARM/ARMSubtarget.cpp
+++ b/lib/Target/ARM/ARMSubtarget.cpp
@@ -26,10 +26,6 @@
UseNEONFP("arm-use-neon-fp",
cl::desc("Use NEON for single-precision FP"),
cl::init(false), cl::Hidden);
-static cl::opt<bool>
-UseVMLxInstructions("arm-use-vmlx",
- cl::desc("Use VFP vmla and vmls instructions"),
- cl::init(true), cl::Hidden);
static cl::opt<bool>
UseMOVT("arm-use-movt",
@@ -40,7 +36,7 @@
: ARMArchVersion(V4)
, ARMFPUType(None)
, UseNEONForSinglePrecisionFP(UseNEONFP)
- , UseVMLx(UseVMLxInstructions)
+ , SlowVMLx(false)
, IsThumb(isT)
, ThumbMode(Thumb1)
, PostRAScheduler(false)
@@ -127,12 +123,6 @@
// operations with NEON instructions.
if (UseNEONFP.getPosition() == 0)
UseNEONForSinglePrecisionFP = true;
- // The VFP vlma and vlms instructions don't play nicely with others;
- // disable them.
- // FIXME: This may be true for other variants as well. Get benchmark
- // numbers and add them if determined that's the case.
- if (UseVMLxInstructions.getPosition() == 0)
- UseVMLx = false;
}
}