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Re: [Qemu-devel] [PATCH 2/4] target-tricore: Added MADD.F and MSUB.F ins

From: Richard Henderson
Subject: Re: [Qemu-devel] [PATCH 2/4] target-tricore: Added MADD.F and MSUB.F instructions
Date: Sat, 4 Jun 2016 09:55:17 -0700
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.1.0

On 05/29/2016 03:59 PM, address@hidden wrote:
+    flags = f_get_excp_flags(env);
+    f_result = float32_muladd(-arg1, arg2, arg3, flags, &env->fp_status);

Bastian already pointed out that flags here is being used wrong,
but I thought I'd reinforce that "-arg1" is not how floating-point
negation works.  You need to use float_muladd_negate_product as
that 4th argument to float32_muladd.


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