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translate-all: consolidate tb init in tb_gen_code

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We are partially initializing tb in tb_alloc. Instead, fully
initialize it in tb_gen_code, which is tb_alloc's only caller.

This saves an unnecessary write to tb->cflags.

Signed-off-by: Emilio G. Cota <cota@braap.org>
Message-Id: <1497038122-26364-1-git-send-email-cota@braap.org>
Signed-off-by: Richard Henderson <rth@twiddle.net>
This commit is contained in:
Emilio G. Cota 2017-06-09 15:55:22 -04:00 committed by Richard Henderson
parent 6e3b2bfd6a
commit 2b48e10f88
1 changed files with 2 additions and 3 deletions
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5
translate-all.c
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@ -843,9 +843,6 @@ static TranslationBlock *tb_alloc(target_ulong pc)
ctx->tbs = g_renew(TranslationBlock *, ctx->tbs, ctx->tbs_size); ctx->tbs = g_renew(TranslationBlock *, ctx->tbs, ctx->tbs_size);
} }
ctx->tbs[ctx->nb_tbs++] = tb; ctx->tbs[ctx->nb_tbs++] = tb;
tb->pc = pc;
tb->cflags = 0;
tb->invalid = false;
return tb; return tb;
} }
@ -1289,9 +1286,11 @@ TranslationBlock *tb_gen_code(CPUState *cpu,
gen_code_buf = tcg_ctx.code_gen_ptr; gen_code_buf = tcg_ctx.code_gen_ptr;
tb->tc_ptr = gen_code_buf; tb->tc_ptr = gen_code_buf;
tb->pc = pc;
tb->cs_base = cs_base; tb->cs_base = cs_base;
tb->flags = flags; tb->flags = flags;
tb->cflags = cflags; tb->cflags = cflags;
tb->invalid = false;
#ifdef CONFIG_PROFILER #ifdef CONFIG_PROFILER
tcg_ctx.tb_count1++; /* includes aborted translations because of tcg_ctx.tb_count1++; /* includes aborted translations because of