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Date: Fri, 15 May 2015 10:31:05 +0800
From: Chen Gang <xili_gchen_5257@hotmail.com>
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Subject: Re: [Qemu-devel] [PATCH 09/10 v10] target-tilegx: Generate tcg
 instructions to execute to _init_malloc in glib
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To: Richard Henderson <rth@twiddle.net>, Peter Maydell <peter.maydell@linaro.org>, =?UTF-8?B?QW5kcmVhcyBGw6RyYmVy?= <afaerber@suse.de>, Chris Metcalf <cmetcalf@ezchip.com>
Cc: "walt@tilera.com" <walt@tilera.com>, Riku Voipio <riku.voipio@iki.fi>, qemu-devel <qemu-devel@nongnu.org>

On 5/12/15 00:55, Richard Henderson wrote:
> On 05/10/2015 03:45 PM, Chen Gang wrote:
>>> +static void gen_cmpltsi(struct DisasContext *dc,
>>> +                        uint8_t rdst, uint8_t rsrc, int8_t imm8)
>>> +{
>>> +    qemu_log_mask(CPU_LOG_TB_IN_ASM, "cmpltsi r%d, r%d, %d\n",
>>> +                  rdst, rsrc, imm8);
>>> +    tcg_gen_setcondi_i64(TCG_COND_LTU, dest_gr(dc, rdst), load_gr(dc, rsrc),
>>> +                         (int64_t)imm8);

It is another bug (which the root cause to lead current _init_malloc to
assert). Need use TCG_COND_LT instead of TCG_COND_LTU.

>>> +}
>>> +
>>> +static void gen_cmpltui(struct DisasContext *dc,
>>> +                        uint8_t rdst, uint8_t rsrc, uint8_t imm8)

Need to be int8_t for imm8.

>>> +{
>>> +    qemu_log_mask(CPU_LOG_TB_IN_ASM, "cmpltui r%d, r%d, %d\n",
>>> +                  rdst, rsrc, imm8);
>>> +    tcg_gen_setcondi_i64(TCG_COND_LTU,
>>> +                         dest_gr(dc, rdst), load_gr(dc, rsrc), imm8);
>>> +}
>>> +
>>> +static void gen_cmpeqi(struct DisasContext *dc,
>>> +                       uint8_t rdst, uint8_t rsrc, uint8_t imm8)

Need to be int8_t for imm8.

>>> +{
>>> +    qemu_log_mask(CPU_LOG_TB_IN_ASM, "cmpeqi r%d, r%d, %d\n", rdst, rsrc, imm8);
>>> +    tcg_gen_setcondi_i64(TCG_COND_EQ,
>>> +                         dest_gr(dc, rdst), load_gr(dc, rsrc), imm8);
>>> +}
> Merge these.
>

Thank you again for your reviewing. Next, I shall continue to print
"Hello world".


Thanks.
-- Chen Gang Open, share, and attitude like air, water, and life which God blessed