Merge remote-tracking branch 'remotes/rth/tags/pull-or1k-20200116' into staging

Fix FPSCR masking

# gpg: Signature made Fri 17 Jan 2020 00:51:41 GMT
# gpg:                using RSA key 7A481E78868B4DB6A85A05C064DF38E8AF7E215F
# gpg:                issuer "richard.henderson@linaro.org"
# gpg: Good signature from "Richard Henderson <richard.henderson@linaro.org>" [full]
# Primary key fingerprint: 7A48 1E78 868B 4DB6 A85A  05C0 64DF 38E8 AF7E 215F

* remotes/rth/tags/pull-or1k-20200116:
  target/openrisc: Fix FPCSR mask to allow setting DZF
Signed-off-by: NPeter Maydell <peter.maydell@linaro.org>

target/openrisc/fpu_helper.c

@@ -70,7 +70,7 @@ void cpu_set_fpcsr(CPUOpenRISCState *env, uint32_t val)
         float_round_down
     };
 
-    env->fpcsr = val & 0x7ff;
+    env->fpcsr = val & 0xfff;
     set_float_rounding_mode(rm_to_sf[extract32(val, 1, 2)], &env->fp_status);
 }