target/ppc: Use helper_mtvscr for reset and gdb

Not setting flush_to_zero from gdb_set_avr_reg was a bug.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Acked-by: David Gibson <david@gibson.dropbear.id.au>
Message-Id: <20190215100058.20015-11-mark.cave-ayland@ilande.co.uk>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>

diff --git a/target/ppc/translate_init.inc.c b/target/ppc/translate_init.inc.c
index c9985c0d222e1458dc027ea2fd39bae453e1aec4..ee574b342e5d836ef3888df9784809a207ec6280 100644 (file)
--- a/target/ppc/translate_init.inc.c
+++ b/target/ppc/translate_init.inc.c
@@ -601,10 +601,9 @@ static void spr_write_excp_vector(DisasContext *ctx, int sprn, int gprn)
 
 static inline void vscr_init(CPUPPCState *env, uint32_t val)
 {
-    env->vscr = val;
     /* Altivec always uses round-to-nearest */
     set_float_rounding_mode(float_round_nearest_even, &env->vec_status);
-    set_flush_to_zero(vscr_nj, &env->vec_status);
+    helper_mtvscr(env, val);
 }
 
 #ifdef CONFIG_USER_ONLY
@@ -9603,7 +9602,7 @@ static int gdb_set_avr_reg(CPUPPCState *env, uint8_t *mem_buf, int n)
     }
     if (n == 32) {
         ppc_maybe_bswap_register(env, mem_buf, 4);
-        env->vscr = ldl_p(mem_buf);
+        helper_mtvscr(env, ldl_p(mem_buf));
         return 4;
     }
     if (n == 33) {