tcg/ppc: Clobber r5 for 64-bit qemu_ld

This accounts for the additional addr_reg2 register.
Signed-off-by: NAndreas Färber <afaerber@suse.de>
Acked-by: NAlexander Graf <agraf@suse.de>
Signed-off-by: NAnthony Liguori <aliguori@us.ibm.com>

tcg/ppc/tcg-target.c

@@ -244,6 +244,9 @@ static int target_parse_constraint(TCGArgConstraint *ct, const char **pct_str)
         tcg_regset_set32(ct->u.regs, 0, 0xffffffff);
         tcg_regset_reset_reg(ct->u.regs, TCG_REG_R3);
         tcg_regset_reset_reg(ct->u.regs, TCG_REG_R4);
+#if TARGET_LONG_BITS == 64
+        tcg_regset_reset_reg(ct->u.regs, TCG_REG_R5);
+#endif
         break;
     case 'K':                   /* qemu_st[8..32] constraint */
         ct->ct |= TCG_CT_REG;