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Re: [Qemu-trivial] [PATCH 4/4] target-lm32: rewrite gen_compare()
From: |
Peter Maydell |
Subject: |
Re: [Qemu-trivial] [PATCH 4/4] target-lm32: rewrite gen_compare() |
Date: |
Thu, 13 Oct 2016 11:37:50 +0100 |
On 12 October 2016 at 23:35, Michael Walle <address@hidden> wrote:
> Drop the rX, rY and rZ stuff and use dc->r{0,1,2} directly. This should
> also fix the false positive in coverity CID 1005720.
>
> Signed-off-by: Michael Walle <address@hidden>
> ---
> target-lm32/translate.c | 7 ++-----
> 1 file changed, 2 insertions(+), 5 deletions(-)
>
> diff --git a/target-lm32/translate.c b/target-lm32/translate.c
> index 792637f..842af63 100644
> --- a/target-lm32/translate.c
> +++ b/target-lm32/translate.c
> @@ -344,9 +344,6 @@ static void dec_calli(DisasContext *dc)
>
> static inline void gen_compare(DisasContext *dc, int cond)
> {
> - int rX = (dc->format == OP_FMT_RR) ? dc->r2 : dc->r1;
> - int rY = dc->r0;
> - int rZ = (dc->format == OP_FMT_RR) ? dc->r1 : -1;
> int i;
>
> if (dc->format == OP_FMT_RI) {
> @@ -360,9 +357,9 @@ static inline void gen_compare(DisasContext *dc, int cond)
> break;
> }
>
> - tcg_gen_setcondi_tl(cond, cpu_R[rX], cpu_R[rY], i);
> + tcg_gen_setcondi_tl(cond, cpu_R[dc->r1], cpu_R[dc->r0], i);
> } else {
> - tcg_gen_setcond_tl(cond, cpu_R[rX], cpu_R[rY], cpu_R[rZ]);
> + tcg_gen_setcond_tl(cond, cpu_R[dc->r2], cpu_R[dc->r0],
> cpu_R[dc->r1]);
> }
> }
>
Reviewed-by: Peter Maydell <address@hidden>
thanks
-- PMM
- [Qemu-trivial] [PATCH 1/4] target-lm32: swap operand of wcsr in LOG_DIS(), Michael Walle, 2016/10/12
- [Qemu-trivial] [PATCH 2/4] target-lm32: disable asm logging via LOG_DIS(), Michael Walle, 2016/10/12
- [Qemu-trivial] [PATCH 3/4] lm32: milkymist-tmu2: fix integer overflow, Michael Walle, 2016/10/12
- [Qemu-trivial] [PATCH 4/4] target-lm32: rewrite gen_compare(), Michael Walle, 2016/10/12
- Re: [Qemu-trivial] [PATCH 4/4] target-lm32: rewrite gen_compare(),
Peter Maydell <=
- Re: [Qemu-trivial] [PATCH 1/4] target-lm32: swap operand of wcsr in LOG_DIS(), Peter Maydell, 2016/10/13
- Re: [Qemu-trivial] [PATCH 1/4] target-lm32: swap operand of wcsr in LOG_DIS(), Michael Tokarev, 2016/10/15