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target/arm: Drop DisasContext.tmp_a64 

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>
This commit is contained in:
Richard Henderson 2023-02-24 17:10:42 -10:00
parent 366786e057
commit 828fce78a8
2 changed files with 1 additions and 27 deletions
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25
target/arm/tcg/translate-a64.c
View File

@ -408,27 +408,9 @@ static void gen_goto_tb(DisasContext *s, int n, int64_t diff)
} }
} }
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 = 0;
}
static void free_tmp_a64(DisasContext *s)
{
int i;
for (i = 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) TCGv_i64 new_tmp_a64(DisasContext *s)
{ {
assert(s->tmp_a64_count < TMP_A64_MAX); return tcg_temp_new_i64();
return s->tmp_a64[s->tmp_a64_count++] = tcg_temp_new_i64();
} }
TCGv_i64 new_tmp_a64_zero(DisasContext *s) TCGv_i64 new_tmp_a64_zero(DisasContext *s)
@ -14781,8 +14763,6 @@ static void aarch64_tr_init_disas_context(DisasContextBase *dcbase,
bound = 1; bound = 1;
} }
dc->base.max_insns = MIN(dc->base.max_insns, bound); dc->base.max_insns = MIN(dc->base.max_insns, bound);
init_tmp_a64_array(dc);
} }
static void aarch64_tr_tb_start(DisasContextBase *db, CPUState *cpu) static void aarch64_tr_tb_start(DisasContextBase *db, CPUState *cpu)
@ -14938,9 +14918,6 @@ static void aarch64_tr_translate_insn(DisasContextBase *dcbase, CPUState *cpu)
break; break;
} }
/* if we allocated any temporaries, free them here */
free_tmp_a64(s);
/* /*
* After execution of most insns, btype is reset to 0. * After execution of most insns, btype is reset to 0.
* Note that we set btype == -1 when the insn sets btype. * Note that we set btype == -1 when the insn sets btype.

3
target/arm/tcg/translate.h
View File

@ -149,9 +149,6 @@ typedef struct DisasContext {
int c15_cpar; int c15_cpar;
/* TCG op of the current insn_start. */ /* TCG op of the current insn_start. */
TCGOp *insn_start; TCGOp *insn_start;
#define TMP_A64_MAX 16
int tmp_a64_count;
TCGv_i64 tmp_a64[TMP_A64_MAX];
} DisasContext; } DisasContext;
typedef struct DisasCompare { typedef struct DisasCompare {