Add an ARM "feature". Cortex-a8 fp comparison is very slow (> 20 cycles).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108256 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/ARM/ARMSubtarget.h b/lib/Target/ARM/ARMSubtarget.h
index 8332bba..e7d92ed 100644
--- a/lib/Target/ARM/ARMSubtarget.h
+++ b/lib/Target/ARM/ARMSubtarget.h
@@ -54,6 +54,9 @@
/// the VML[AS] instructions are slow (if so, don't use them).
bool SlowVMLx;
+ /// SlowFPBrcc - True if floating point compare + branch is slow.
+ bool SlowFPBrcc;
+
/// IsThumb - True if we are in thumb mode, false if in ARM mode.
bool IsThumb;
@@ -133,6 +136,7 @@
bool hasDivide() const { return HasHardwareDivide; }
bool hasT2ExtractPack() const { return HasT2ExtractPack; }
bool useVMLx() const {return hasVFP2() && !SlowVMLx; }
+ bool isFPBrccSlow() const { return SlowFPBrcc; }
bool hasFP16() const { return HasFP16; }