PPC: Fix loads of PIC data with > 16 bit offsets (#7830).

Loads should now handle up to 32 bit offsets.

PPC: Fix loads of PIC data with > 16 bit offsets (#7830).
Loads should now handle up to 32 bit offsets.
67029f20 · Erik de Castro Lopo · af6746fb · 67029f20
Commit 67029f20 authored Feb 28, 2014 by Erik de Castro Lopo
--- a/compiler/nativeGen/PIC.hs
+++ b/compiler/nativeGen/PIC.hs
@@ -728,9 +728,10 @@ initializePicBase_ppc ArchPPC os picReg

            fetchPC (BasicBlock bID insns) =
              BasicBlock bID (PPC.FETCHPC picReg
+                              : PPC.ADDIS tmp picReg (PPC.HI offsetToOffset)
                              : PPC.LD PPC.archWordSize tmp
-                                   (PPC.AddrRegImm picReg offsetToOffset)
-                              : PPC.ADD picReg picReg (PPC.RIReg tmp)
+                                   (PPC.AddrRegImm tmp (PPC.LO offsetToOffset))
+                              : PPC.ADD picReg picReg (PPC.RIReg picReg)
                              : insns)

        return (CmmProc info lab live (ListGraph blocks') : gotOffset : statics)