Fix for hqemu-2.5.2 to build full system emulation on ppc64le.

hqemu-ppc-build.diff

--- a/tcg/ppc/tcg.target.c	2018-11-17 14:51:38.523121046 -0800
+++ b/tcg/ppc/tcg-target.c	2018-11-17 17:00:01.991427542 -0800
@@ -1372,16 +1372,37 @@
     [MO_LEUW] = helper_le_stw_mmu,
     [MO_LEUL] = helper_le_stl_mmu,
     [MO_LEQ]  = helper_le_stq_mmu,
     [MO_BEUW] = helper_be_stw_mmu,
     [MO_BEUL] = helper_be_stl_mmu,
     [MO_BEQ]  = helper_be_stq_mmu,
 };
 
+/* helpers for LLVM */
+void * const llvm_ld_helpers[16] = {
+    [MO_UB]   = llvm_ret_ldub_mmu,
+    [MO_LEUW] = llvm_le_lduw_mmu,
+    [MO_LEUL] = llvm_le_ldul_mmu,
+    [MO_LEQ]  = llvm_le_ldq_mmu,
+    [MO_BEUW] = llvm_be_lduw_mmu,
+    [MO_BEUL] = llvm_be_ldul_mmu,
+    [MO_BEQ]  = llvm_be_ldq_mmu,
+};
+
+void * const llvm_st_helpers[16] = {
+    [MO_UB]   = llvm_ret_stb_mmu,
+    [MO_LEUW] = llvm_le_stw_mmu,
+    [MO_LEUL] = llvm_le_stl_mmu,
+    [MO_LEQ]  = llvm_le_stq_mmu,
+    [MO_BEUW] = llvm_be_stw_mmu,
+    [MO_BEUL] = llvm_be_stl_mmu,
+    [MO_BEQ]  = llvm_be_stq_mmu,
+};
+
 /* Perform the TLB load and compare.  Places the result of the comparison
    in CR7, loads the addend of the TLB into R3, and returns the register
    containing the guest address (zero-extended into R4).  Clobbers R0 and R2. *
/
 
 static TCGReg tcg_out_tlb_read(TCGContext *s, TCGMemOp opc,
                                TCGReg addrlo, TCGReg addrhi,
                                int mem_index, bool is_read)
 {