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From: Richard Henderson <richard.henderson@linaro.org>
To: qemu-devel@nongnu.org
Cc: peter.maydell@linaro.org
Subject: [PULL 18/84] target/arm: Drop DisasContext.tmp_a64
Date: Sun, 5 Mar 2023 16:38:48 -0800
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Translators are no longer required to free tcg temporaries,
therefore there's no need to record temps for later freeing.
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
target/arm/tcg/translate.h | 3 ---
target/arm/tcg/translate-a64.c | 25 +------------------------
2 files changed, 1 insertion(+), 27 deletions(-)
diff --git a/target/arm/tcg/translate.h b/target/arm/tcg/translate.h
index 853a0b84e6..a5dd518903 100644
--- a/target/arm/tcg/translate.h
+++ b/target/arm/tcg/translate.h
@@ -149,9 +149,6 @@ typedef struct DisasContext {
int c15_cpar;
/* TCG op of the current insn_start. */
TCGOp *insn_start;
-#define TMP_A64_MAX 16
- int tmp_a64_count;
- TCGv_i64 tmp_a64[TMP_A64_MAX];
} DisasContext;
=20
typedef struct DisasCompare {
diff --git a/target/arm/tcg/translate-a64.c b/target/arm/tcg/translate-a64.c
index d1e677ca76..ea1f23b2e7 100644
--- a/target/arm/tcg/translate-a64.c
+++ b/target/arm/tcg/translate-a64.c
@@ -408,27 +408,9 @@ static void gen_goto_tb(DisasContext *s, int n, int64_=
t diff)
}
}
=20
-static void init_tmp_a64_array(DisasContext *s)
-{
-#ifdef CONFIG_DEBUG_TCG
- memset(s->tmp_a64, 0, sizeof(s->tmp_a64));
-#endif
- s->tmp_a64_count =3D 0;
-}
-
-static void free_tmp_a64(DisasContext *s)
-{
- int i;
- for (i =3D 0; i < s->tmp_a64_count; i++) {
- tcg_temp_free_i64(s->tmp_a64[i]);
- }
- init_tmp_a64_array(s);
-}
-
TCGv_i64 new_tmp_a64(DisasContext *s)
{
- assert(s->tmp_a64_count < TMP_A64_MAX);
- return s->tmp_a64[s->tmp_a64_count++] =3D tcg_temp_new_i64();
+ return tcg_temp_new_i64();
}
=20
TCGv_i64 new_tmp_a64_zero(DisasContext *s)
@@ -14781,8 +14763,6 @@ static void aarch64_tr_init_disas_context(DisasCont=
extBase *dcbase,
bound =3D 1;
}
dc->base.max_insns =3D MIN(dc->base.max_insns, bound);
-
- init_tmp_a64_array(dc);
}
=20
static void aarch64_tr_tb_start(DisasContextBase *db, CPUState *cpu)
@@ -14938,9 +14918,6 @@ static void aarch64_tr_translate_insn(DisasContextB=
ase *dcbase, CPUState *cpu)
break;
}
=20
- /* if we allocated any temporaries, free them here */
- free_tmp_a64(s);
-
/*
* After execution of most insns, btype is reset to 0.
* Note that we set btype =3D=3D -1 when the insn sets btype.
--=20
2.34.1