NCG: Fix off-by-one error in realRegSqueeze

diff --git a/compiler/nativeGen/X86/Regs.hs b/compiler/nativeGen/X86/Regs.hs
index b9a23a6..943a7a3 100644 (file)
--- a/compiler/nativeGen/X86/Regs.hs
+++ b/compiler/nativeGen/X86/Regs.hs
@@ -111,7 +111,7 @@ realRegSqueeze cls rr
        RcDouble
         -> case rr of
                RealRegSingle regNo
        RcDouble
         -> case rr of
                RealRegSingle regNo

-                       | regNo >= firstfake && regNo < lastfake -> _ILIT(1)
+                       | regNo >= firstfake && regNo <= lastfake -> _ILIT(1)

                        | otherwise     -> _ILIT(0)
                        
                RealRegPair{}           -> _ILIT(0)
                        | otherwise     -> _ILIT(0)
                        
                RealRegPair{}           -> _ILIT(0)