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icount: remove unnecessary gen_io_end calls

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Prior patch resets can_do_io flag at the TB entry. Therefore there is no
need in resetting this flag at the end of the block.
This patch removes redundant gen_io_end calls.

Signed-off-by: Pavel Dovgalyuk <Pavel.Dovgaluk@ispras.ru>
Message-Id: <156404429499.18669.13404064982854123855.stgit@pasha-Precision-3630-Tower>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Pavel Dovgalyuk <pavel.dovgaluk@gmail.com>
This commit is contained in:
Pavel Dovgalyuk 2019-07-25 11:44:55 +03:00 • committed by Paolo Bonzini
parent ba3e792669
commit 9e9b10c649
18 changed files with 7 additions and 102 deletions
Download patch file Download diff file Expand all files Collapse all files

10
target/i386/translate.c
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@ -5381,7 +5381,6 @@ static target_ulong disas_insn(DisasContext *s, CPUState *cpu)
gen_op_mov_reg_v(s, dflag, rm, s->T0);
set_cc_op(s, CC_OP_EFLAGS);
if (tb_cflags(s->base.tb) & CF_USE_ICOUNT) {
gen_io_end();
gen_jmp(s, s->pc - s->cs_base);
}
break;
@ -6443,7 +6442,6 @@ static target_ulong disas_insn(DisasContext *s, CPUState *cpu)
gen_op_mov_reg_v(s, ot, R_EAX, s->T1);
gen_bpt_io(s, s->tmp2_i32, ot);
if (tb_cflags(s->base.tb) & CF_USE_ICOUNT) {
gen_io_end();
gen_jmp(s, s->pc - s->cs_base);
}
break;
@ -6464,7 +6462,6 @@ static target_ulong disas_insn(DisasContext *s, CPUState *cpu)
gen_helper_out_func(ot, s->tmp2_i32, s->tmp3_i32);
gen_bpt_io(s, s->tmp2_i32, ot);
if (tb_cflags(s->base.tb) & CF_USE_ICOUNT) {
gen_io_end();
gen_jmp(s, s->pc - s->cs_base);
}
break;
@ -6482,7 +6479,6 @@ static target_ulong disas_insn(DisasContext *s, CPUState *cpu)
gen_op_mov_reg_v(s, ot, R_EAX, s->T1);
gen_bpt_io(s, s->tmp2_i32, ot);
if (tb_cflags(s->base.tb) & CF_USE_ICOUNT) {
gen_io_end();
gen_jmp(s, s->pc - s->cs_base);
}
break;
@ -6502,7 +6498,6 @@ static target_ulong disas_insn(DisasContext *s, CPUState *cpu)
gen_helper_out_func(ot, s->tmp2_i32, s->tmp3_i32);
gen_bpt_io(s, s->tmp2_i32, ot);
if (tb_cflags(s->base.tb) & CF_USE_ICOUNT) {
gen_io_end();
gen_jmp(s, s->pc - s->cs_base);
}
break;
@ -7206,7 +7201,6 @@ static target_ulong disas_insn(DisasContext *s, CPUState *cpu)
}
gen_helper_rdtsc(cpu_env);
if (tb_cflags(s->base.tb) & CF_USE_ICOUNT) {
gen_io_end();
gen_jmp(s, s->pc - s->cs_base);
}
break;
@ -7666,7 +7660,6 @@ static target_ulong disas_insn(DisasContext *s, CPUState *cpu)
}
gen_helper_rdtscp(cpu_env);
if (tb_cflags(s->base.tb) & CF_USE_ICOUNT) {
gen_io_end();
gen_jmp(s, s->pc - s->cs_base);
}
break;
@ -8036,9 +8029,6 @@ static target_ulong disas_insn(DisasContext *s, CPUState *cpu)
gen_op_mov_v_reg(s, ot, s->T0, rm);
gen_helper_write_crN(cpu_env, tcg_const_i32(reg),
s->T0);
if (tb_cflags(s->base.tb) & CF_USE_ICOUNT) {
gen_io_end();
}
gen_jmp_im(s, s->pc - s->cs_base);
gen_eob(s);
} else {