haraldwolff/qemu-patch-raspberry4
1
0
Fork 0
Code Issues Pull requests Packages Projects Releases Wiki Activity

translate-all: consolidate tb init in tb_gen_code

Browse source 
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
Show stats Download patch file Download diff file Expand all files Collapse all files

5
translate-all.c
View file

@ -843,9 +843,6 @@ static TranslationBlock *tb_alloc(target_ulong pc)
ctx->tbs = g_renew(TranslationBlock *, ctx->tbs, ctx->tbs_size);
}
ctx->tbs[ctx->nb_tbs++] = tb;
tb->pc = pc;
tb->cflags = 0;
tb->invalid = false;
return tb;
}
@ -1289,9 +1286,11 @@ TranslationBlock *tb_gen_code(CPUState *cpu,
gen_code_buf = tcg_ctx.code_gen_ptr;
tb->tc_ptr = gen_code_buf;
tb->pc = pc;
tb->cs_base = cs_base;
tb->flags = flags;
tb->cflags = cflags;
tb->invalid = false;
#ifdef CONFIG_PROFILER
tcg_ctx.tb_count1++; /* includes aborted translations because of