From: Richard Henderson <rth@twiddle.net>
To: qemu-devel@nongnu.org
Cc: leon.alrae@imgtec.com, aurelien@aurel32.net
Subject: Re: [Qemu-devel] [PATCH 1/3] target-mips: Copy restrictions from ext/ins to dext/dins
Date: Mon, 3 Aug 2015 12:29:50 -0700 [thread overview]
Message-ID: <55BFC12E.4070703@twiddle.net> (raw)
In-Reply-To: <1438627752-19903-2-git-send-email-rth@twiddle.net>
On 08/03/2015 11:49 AM, Richard Henderson wrote:
> #if defined(TARGET_MIPS64)
> - case OPC_DEXTM:
> - tcg_gen_shri_tl(t0, t1, lsb);
> - if (msb != 31) {
> - tcg_gen_andi_tl(t0, t0, (1ULL << (msb + 1 + 32)) - 1);
> - }
> - break;
> case OPC_DEXTU:
> - tcg_gen_shri_tl(t0, t1, lsb + 32);
> - tcg_gen_andi_tl(t0, t0, (1ULL << (msb + 1)) - 1);
> - break;
> + lsb += 32;
> + /* FALLTHRU */
> + case OPC_DEXTM:
> + msb += 32;
> + /* FALLTHRU */
> case OPC_DEXT:
> + if (lsb + msb > 63) {
> + goto fail;
> + }
Apologies: this bit is wrong for DEXTU. I'll re-send.
r~
next prev parent reply other threads:[~2015-08-03 19:30 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-08-03 18:49 [Qemu-devel] [PATCH 0/3] target-mips fixes Richard Henderson
2015-08-03 18:49 ` [Qemu-devel] [PATCH 1/3] target-mips: Copy restrictions from ext/ins to dext/dins Richard Henderson
2015-08-03 19:29 ` Richard Henderson [this message]
2015-08-03 19:35 ` [Qemu-devel] [PATCH v2 " Richard Henderson
2015-08-03 21:31 ` Aurelien Jarno
2015-08-03 21:41 ` Richard Henderson
2015-08-03 22:09 ` Aurelien Jarno
2015-08-04 8:22 ` Leon Alrae
2015-08-04 10:49 ` Leon Alrae
2015-08-03 18:49 ` [Qemu-devel] [PATCH 2/3] target-mips: Stop translation after unconditional exceptions Richard Henderson
2015-08-03 21:31 ` Aurelien Jarno
2015-08-03 21:47 ` Richard Henderson
2015-08-03 18:49 ` [Qemu-devel] [PATCH 3/3] target-mips: Use CPU_LOG_INT for logging related to interrupts Richard Henderson
2015-08-03 21:31 ` Aurelien Jarno
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