[PULL 29/84] target/avr: Drop DisasContext.free_skip_var0

Richard Henderson posted 84 patches 2 years, 1 month ago
Maintainers: Richard Henderson <richard.henderson@linaro.org>, Paolo Bonzini <pbonzini@redhat.com>, Eduardo Habkost <eduardo@habkost.net>, Marcel Apfelbaum <marcel.apfelbaum@gmail.com>, "Philippe Mathieu-Daudé" <philmd@linaro.org>, Yanan Wang <wangyanan55@huawei.com>, "Marc-André Lureau" <marcandre.lureau@redhat.com>, "Daniel P. Berrangé" <berrange@redhat.com>, Thomas Huth <thuth@redhat.com>, Stefan Hajnoczi <stefanha@redhat.com>, Peter Maydell <peter.maydell@linaro.org>, Michael Rolnik <mrolnik@gmail.com>, "Edgar E. Iglesias" <edgar.iglesias@gmail.com>, Taylor Simpson <tsimpson@quicinc.com>, Alessandro Di Federico <ale@rev.ng>, Anton Johansson <anjo@rev.ng>, Song Gao <gaosong@loongson.cn>, Xiaojuan Yang <yangxiaojuan@loongson.cn>, Laurent Vivier <laurent@vivier.eu>, Aurelien Jarno <aurelien@aurel32.net>, Jiaxun Yang <jiaxun.yang@flygoat.com>, Aleksandar Rikalo <aleksandar.rikalo@syrmia.com>, Chris Wulff <crwulff@gmail.com>, Marek Vasut <marex@denx.de>, Stafford Horne <shorne@gmail.com>, Daniel Henrique Barboza <danielhb413@gmail.com>, "Cédric Le Goater" <clg@kaod.org>, David Gibson <david@gibson.dropbear.id.au>, Greg Kurz <groug@kaod.org>, Palmer Dabbelt <palmer@dabbelt.com>, Alistair Francis <alistair.francis@wdc.com>, Bin Meng <bin.meng@windriver.com>, Weiwei Li <liweiwei@iscas.ac.cn>, Liu Zhiwei <zhiwei_liu@linux.alibaba.com>, Christoph Muellner <christoph.muellner@vrull.eu>, Yoshinori Sato <ysato@users.sourceforge.jp>, David Hildenbrand <david@redhat.com>, Ilya Leoshkevich <iii@linux.ibm.com>, Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>, Artyom Tarasenko <atar4qemu@gmail.com>, Bastian Koppelmann <kbastian@mail.uni-paderborn.de>, Max Filippov <jcmvbkbc@gmail.com>
There is a newer version of this series
[PULL 29/84] target/avr: Drop DisasContext.free_skip_var0
Posted by Richard Henderson 2 years, 1 month ago
Translators are no longer required to free tcg temporaries,
therefore there's no need to record for later freeing.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
 target/avr/translate.c | 19 -------------------
 1 file changed, 19 deletions(-)

diff --git a/target/avr/translate.c b/target/avr/translate.c
index e40d8e9681..e7f0e2bbe3 100644
--- a/target/avr/translate.c
+++ b/target/avr/translate.c
@@ -107,11 +107,6 @@ struct DisasContext {
      *     tcg_gen_brcond_tl(skip_cond, skip_var0, skip_var1, skip_label);
      * }
      *
-     * if (free_skip_var0) {
-     *     tcg_temp_free(skip_var0);
-     *     free_skip_var0 = false;
-     * }
-     *
      * translate(ctx);
      *
      * if (skip_label) {
@@ -121,7 +116,6 @@ struct DisasContext {
     TCGv skip_var0;
     TCGv skip_var1;
     TCGCond skip_cond;
-    bool free_skip_var0;
 };
 
 void avr_cpu_tcg_init(void)
@@ -1375,7 +1369,6 @@ static bool trans_SBRC(DisasContext *ctx, arg_SBRC *a)
 
     ctx->skip_cond = TCG_COND_EQ;
     ctx->skip_var0 = tcg_temp_new();
-    ctx->free_skip_var0 = true;
 
     tcg_gen_andi_tl(ctx->skip_var0, Rr, 1 << a->bit);
     return true;
@@ -1391,7 +1384,6 @@ static bool trans_SBRS(DisasContext *ctx, arg_SBRS *a)
 
     ctx->skip_cond = TCG_COND_NE;
     ctx->skip_var0 = tcg_temp_new();
-    ctx->free_skip_var0 = true;
 
     tcg_gen_andi_tl(ctx->skip_var0, Rr, 1 << a->bit);
     return true;
@@ -1410,7 +1402,6 @@ static bool trans_SBIC(DisasContext *ctx, arg_SBIC *a)
     tcg_gen_andi_tl(temp, temp, 1 << a->bit);
     ctx->skip_cond = TCG_COND_EQ;
     ctx->skip_var0 = temp;
-    ctx->free_skip_var0 = true;
 
     return true;
 }
@@ -1428,7 +1419,6 @@ static bool trans_SBIS(DisasContext *ctx, arg_SBIS *a)
     tcg_gen_andi_tl(temp, temp, 1 << a->bit);
     ctx->skip_cond = TCG_COND_NE;
     ctx->skip_var0 = temp;
-    ctx->free_skip_var0 = true;
 
     return true;
 }
@@ -2886,10 +2876,6 @@ static bool canonicalize_skip(DisasContext *ctx)
         ctx->skip_cond = TCG_COND_NE;
         break;
     }
-    if (ctx->free_skip_var0) {
-        tcg_temp_free(ctx->skip_var0);
-        ctx->free_skip_var0 = false;
-    }
     ctx->skip_var0 = cpu_skip;
     return true;
 }
@@ -2944,7 +2930,6 @@ static void avr_tr_translate_insn(DisasContextBase *dcbase, CPUState *cs)
              * This ensures that cpu_skip is non-zero after the label
              * if and only if the skipped insn itself sets a skip.
              */
-            ctx->free_skip_var0 = true;
             ctx->skip_var0 = tcg_temp_new();
             tcg_gen_mov_tl(ctx->skip_var0, cpu_skip);
             tcg_gen_movi_tl(cpu_skip, 0);
@@ -2956,10 +2941,6 @@ static void avr_tr_translate_insn(DisasContextBase *dcbase, CPUState *cs)
                               ctx->skip_var1, skip_label);
             ctx->skip_var1 = NULL;
         }
-        if (ctx->free_skip_var0) {
-            tcg_temp_free(ctx->skip_var0);
-            ctx->free_skip_var0 = false;
-        }
         ctx->skip_cond = TCG_COND_NEVER;
         ctx->skip_var0 = NULL;
     }
-- 
2.34.1