commit bcd2625da578d281c710033995d0fb6ea3dff1d4
author Richard Henderson <rth@twiddle.net> Thu Jul 06 09:45:07 2017 -1000
committer Richard Henderson <rth@twiddle.net> Tue Jul 18 18:41:52 2017 -1000
tree 5d26be91643b98fba5e25ca213449631d689cb0d
parent 489a0e6410899090507d9b3ee7e438511998a692

target/alpha: Merge several flag bytes into ENV->FLAGS

The flags are arranged such that we can manipulate them either
a whole, or as individual bytes.  The computation within
cpu_get_tb_cpu_state is now reduced to a single load and mask.

Tested-by: Emilio G. Cota <cota@braap.org>
Signed-off-by: Richard Henderson <rth@twiddle.net>

target/alpha/cpu.c

diff --git a/target/alpha/cpu.c b/target/alpha/cpu.c
index 8186c9d..76150f4 100644
--- a/target/alpha/cpu.c
+++ b/target/alpha/cpu.c
@@ -276,14 +276,15 @@
 
     alpha_translate_init();
 
+    env->lock_addr = -1;
 #if defined(CONFIG_USER_ONLY)
-    env->ps = PS_USER_MODE;
+    env->flags = ENV_FLAG_PS_USER | ENV_FLAG_FEN;
     cpu_alpha_store_fpcr(env, (FPCR_INVD | FPCR_DZED | FPCR_OVFD
                                | FPCR_UNFD | FPCR_INED | FPCR_DNOD
                                | FPCR_DYN_NORMAL));
+#else
+    env->flags = ENV_FLAG_PAL_MODE | ENV_FLAG_FEN;
 #endif
-    env->lock_addr = -1;
-    env->fen = 1;
 }
 
 static void alpha_cpu_class_init(ObjectClass *oc, void *data)