From: Bastian Koppelmann <kbastian@mail.uni-paderborn.de>
To: Richard Henderson <rth@twiddle.net>, qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] [PATCH 10/25] target-tricore: Use clz opcode
Date: Thu, 17 Nov 2016 15:42:13 +0100 [thread overview]
Message-ID: <bc97b619-bc91-fa1a-d478-d7a9f7ff7a4f@mail.uni-paderborn.de> (raw)
In-Reply-To: <1479324335-2074-11-git-send-email-rth@twiddle.net>
On 11/16/2016 08:25 PM, Richard Henderson wrote:
> diff --git a/target-tricore/translate.c b/target-tricore/translate.c
> index 36f734a..69cdfb9 100644
> --- a/target-tricore/translate.c
> +++ b/target-tricore/translate.c
> @@ -6367,7 +6367,8 @@ static void decode_rr_logical_shift(CPUTriCoreState *env, DisasContext *ctx)
> tcg_gen_andc_tl(cpu_gpr_d[r3], cpu_gpr_d[r1], cpu_gpr_d[r2]);
> break;
> case OPC2_32_RR_CLO:
> - gen_helper_clo(cpu_gpr_d[r3], cpu_gpr_d[r1]);
> + tcg_gen_not_tl(cpu_gpr_d[r3], cpu_gpr_d[r1]);
> + tcg_gen_clzi_tl(cpu_gpr_d[r3], cpu_gpr_d[r3], TARGET_LONG_BITS);
This doesn't work for r1 = 0. It returns 0x1f, but should return 0. I
guess the error is not here, but I couldn't figure out where exactly it is.
Cheers,
Bastian
next prev parent reply other threads:[~2016-11-17 14:42 UTC|newest]
Thread overview: 40+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-11-16 19:25 [Qemu-devel] [PATCH 00/25] tcg: Handle clz, ctz, and clrsb generically Richard Henderson
2016-11-16 19:25 ` [Qemu-devel] [PATCH 01/25] tcg: Add clz and ctz opcodes Richard Henderson
2016-11-21 15:11 ` Alex Bennée
2016-11-21 16:05 ` Richard Henderson
2016-11-16 19:25 ` [Qemu-devel] [PATCH 02/25] target-alpha: Use the ctz and clz opcodes Richard Henderson
2016-11-16 19:25 ` [Qemu-devel] [PATCH 03/25] target-cris: Use clz opcode Richard Henderson
2016-11-16 19:25 ` [Qemu-devel] [PATCH 04/25] target-microblaze: " Richard Henderson
2016-11-16 19:25 ` [Qemu-devel] [PATCH 05/25] target-mips: " Richard Henderson
2016-11-16 19:25 ` [Qemu-devel] [PATCH 06/25] target-openrisc: Use clz and ctz opcodes Richard Henderson
2016-11-16 19:25 ` [Qemu-devel] [PATCH 07/25] target-ppc: " Richard Henderson
2016-11-17 3:09 ` David Gibson
2016-11-16 19:25 ` [Qemu-devel] [PATCH 08/25] target-s390x: Use clz opcode Richard Henderson
2016-11-16 19:25 ` [Qemu-devel] [PATCH 09/25] target-tilegx: Use clz and ctz opcodes Richard Henderson
2016-11-16 19:25 ` [Qemu-devel] [PATCH 10/25] target-tricore: Use clz opcode Richard Henderson
2016-11-17 14:42 ` Bastian Koppelmann [this message]
2016-11-17 15:47 ` Bastian Koppelmann
2016-11-16 19:25 ` [Qemu-devel] [PATCH 11/25] target-unicore32: " Richard Henderson
2016-11-16 19:25 ` [Qemu-devel] [PATCH 12/25] target-xtensa: " Richard Henderson
2016-11-16 19:25 ` [Qemu-devel] [PATCH 13/25] target-arm: " Richard Henderson
2016-11-16 19:25 ` [Qemu-devel] [PATCH 14/25] target-i386: Use clz and ctz opcodes Richard Henderson
2016-11-16 19:25 ` [Qemu-devel] [PATCH 15/25] disas/i386.c: Handle tzcnt Richard Henderson
2016-11-16 19:25 ` [Qemu-devel] [PATCH 16/25] tcg/i386: Handle ctz and clz opcodes Richard Henderson
2016-11-17 16:50 ` Bastian Koppelmann
2016-11-17 19:53 ` Richard Henderson
2016-11-17 19:59 ` Richard Henderson
2016-11-17 22:09 ` Bastian Koppelmann
2016-11-17 23:03 ` Richard Henderson
2016-11-18 12:48 ` Bastian Koppelmann
2016-11-21 10:37 ` Richard Henderson
2016-11-16 19:25 ` [Qemu-devel] [PATCH 17/25] tcg/ppc: " Richard Henderson
2016-11-16 19:25 ` [Qemu-devel] [PATCH 18/25] tcg/aarch64: " Richard Henderson
2016-11-17 11:53 ` Richard Henderson
2016-11-22 10:41 ` Alex Bennée
2016-11-16 19:25 ` [Qemu-devel] [PATCH 19/25] tcg/arm: " Richard Henderson
2016-11-16 19:25 ` [Qemu-devel] [PATCH 20/25] tcg/mips: Handle clz opcode Richard Henderson
2016-11-16 19:25 ` [Qemu-devel] [PATCH 21/25] tcg/s390: " Richard Henderson
2016-11-16 19:25 ` [Qemu-devel] [PATCH 22/25] tcg: Add helpers for clrsb Richard Henderson
2016-11-16 19:25 ` [Qemu-devel] [PATCH 23/25] target-arm: Use clrsb helper Richard Henderson
2016-11-16 19:25 ` [Qemu-devel] [PATCH 24/25] target-tricore: " Richard Henderson
2016-11-16 19:25 ` [Qemu-devel] [PATCH 25/25] target-xtensa: " Richard Henderson
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