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[97.113.8.179]) by smtp.gmail.com with ESMTPSA id o12-v6sm12258302pgv.7.2018.10.11.16.42.09 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Thu, 11 Oct 2018 16:42:10 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=b1EdQq+2c3tOlxyFZkdYZBw9+bmacMlVweBGK41Fvg4=; b=SlqLG8BqWUMnGDcq/+GoM5tHPJ/EwGqCy2Afpdc4V8y7qqMFafXDKzVOulA5daZxqR mxeRn1674lm/tbqJHwh1KI71PRWG5LWnJkMRanNC1Yo2bRQx+hrtp4CExDD12qu5aIu4 5WVPaLALL/Lj0Xv7Dv1P/1GL+DwxKOuHmMmw0= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=b1EdQq+2c3tOlxyFZkdYZBw9+bmacMlVweBGK41Fvg4=; b=OKLvfUp9j0ViAoOoEycywwzPKckWaMZtpXkiLxnoCkP/HiDtIPmWcSbgEYiKcxnQBx zbGRmF7jXYCTvGnzmJ8HzQqYuPEBYMpKSq2VQpEP6Bppg2Ri5NJ1lKMIQptbQPXJSUPM +ucg7SP+5HNBojtukrvTmn5801y1KfibbUj49MDZp0a4/TTh1yCTynR/GyyyBmhRbDCR 3xP854FlX4MewFIlQ/khoyxU2OnTcNd4fgWhpmPplT1SNUfzhzuXiP2DcpnmGgl1oBwW R4BayGX7HaUrpe1hYTonb6YvLfp4MEseDBt3Ut13gcFWrLFkKoApKYKRHkdk0kkbF2MP Sfvg== X-Gm-Message-State: ABuFfohOU8XiHGnKnshTIGN6HA5LFo2tV+1b5tJFpCmWdmStx4FRNpee zv71UXfO9Pu5MJS3HJ+Jx0rGv3vgl3o= X-Google-Smtp-Source: ACcGV63NgQVA58mYEQygZ8ka65tBKFTd8VvmxCieEafXE/ZDYqU9i/VNnHObEEqFBg8/yc8qjxTu+Q== X-Received: by 2002:a17:902:b581:: with SMTP id a1-v6mr3503852pls.126.1539301331254; Thu, 11 Oct 2018 16:42:11 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Date: Thu, 11 Oct 2018 16:41:59 -0700 Message-Id: <20181011234159.11496-8-richard.henderson@linaro.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20181011234159.11496-1-richard.henderson@linaro.org> References: <20181011234159.11496-1-richard.henderson@linaro.org> X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2607:f8b0:4864:20::631 Subject: [Qemu-devel] [PATCH 7/7] target/ppc: Split out float_invalid_cvt X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: qemu-ppc@nongnu.org, david@gibson.dropbear.id.au Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) X-ZohoMail: RDMRC_1 RDKM_2 RSF_0 Z_629925259 SPT_0 Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Signed-off-by: Richard Henderson --- target/ppc/fpu_helper.c | 67 +++++++++++++++++------------------------ 1 file changed, 28 insertions(+), 39 deletions(-) diff --git a/target/ppc/fpu_helper.c b/target/ppc/fpu_helper.c index 127c08bcec..2ed4f42275 100644 --- a/target/ppc/fpu_helper.c +++ b/target/ppc/fpu_helper.c @@ -750,30 +750,30 @@ float64 helper_fdiv(CPUPPCState *env, float64 arg1, f= loat64 arg2) return ret; } =20 +static void float_invalid_cvt(CPUPPCState *env, bool set_fprc, + uintptr_t retaddr, int class1) +{ + float_invalid_op_vxcvi(env, set_fprc, retaddr); + if (class1 & is_snan) { + float_invalid_op_vxsnan(env, retaddr); + } +} =20 #define FPU_FCTI(op, cvt, nanval) \ -uint64_t helper_##op(CPUPPCState *env, uint64_t arg) \ +uint64_t helper_##op(CPUPPCState *env, float64 arg) \ { \ - CPU_DoubleU farg; \ + uint64_t ret =3D float64_to_##cvt(arg, &env->fp_status); \ + int status =3D get_float_exception_flags(&env->fp_status); \ \ - farg.ll =3D arg; \ - farg.ll =3D float64_to_##cvt(farg.d, &env->fp_status); \ - \ - if (unlikely(env->fp_status.float_exception_flags)) { \ - if (float64_is_any_nan(arg)) { \ - float_invalid_op_vxcvi(env, 1, GETPC()); \ - if (float64_is_signaling_nan(arg, &env->fp_status)) { \ - float_invalid_op_vxsnan(env, GETPC()); \ - } \ - farg.ll =3D nanval; \ - } else if (env->fp_status.float_exception_flags & \ - float_flag_invalid) { \ - float_invalid_op_vxcvi(env, 1, GETPC()); \ + if (unlikely(status)) { \ + if (status & float_flag_invalid) { \ + float_invalid_cvt(env, 1, GETPC(), float64_classify(arg)); \ + ret =3D nanval; \ } \ do_float_check_status(env, GETPC()); \ } \ - return farg.ll; \ - } + return ret; \ +} =20 FPU_FCTI(fctiw, int32, 0x80000000U) FPU_FCTI(fctiwz, int32_round_to_zero, 0x80000000U) @@ -2965,6 +2965,7 @@ uint64_t helper_xscvspdpn(CPUPPCState *env, uint64_t = xb) #define VSX_CVT_FP_TO_INT(op, nels, stp, ttp, sfld, tfld, rnan) = \ void helper_##op(CPUPPCState *env, uint32_t opcode) = \ { = \ + int all_flags =3D env->fp_status.float_exception_flags, flags; = \ ppc_vsr_t xt, xb; = \ int i; = \ = \ @@ -2972,22 +2973,18 @@ void helper_##op(CPUPPCState *env, uint32_t opcode)= \ getVSR(xT(opcode), &xt, env); = \ = \ for (i =3D 0; i < nels; i++) { = \ - if (unlikely(stp##_is_any_nan(xb.sfld))) { = \ - if (stp##_is_signaling_nan(xb.sfld, &env->fp_status)) { = \ - float_invalid_op_vxsnan(env, GETPC()); = \ - } = \ - float_invalid_op_vxcvi(env, 0, GETPC()); = \ + env->fp_status.float_exception_flags =3D 0; = \ + xt.tfld =3D stp##_to_##ttp##_round_to_zero(xb.sfld, &env->fp_statu= s); \ + flags =3D env->fp_status.float_exception_flags; = \ + if (unlikely(flags & float_flag_invalid)) { = \ + float_invalid_cvt(env, 0, GETPC(), stp##_classify(xb.sfld)); = \ xt.tfld =3D rnan; = \ - } else { = \ - xt.tfld =3D stp##_to_##ttp##_round_to_zero(xb.sfld, = \ - &env->fp_status); = \ - if (env->fp_status.float_exception_flags & float_flag_invalid)= { \ - float_invalid_op_vxcvi(env, 0, GETPC()); = \ - } = \ } = \ + all_flags |=3D flags; = \ } = \ = \ putVSR(xT(opcode), &xt, env); = \ + env->fp_status.float_exception_flags =3D all_flags; = \ do_float_check_status(env, GETPC()); = \ } =20 @@ -3025,18 +3022,10 @@ void helper_##op(CPUPPCState *env, uint32_t opcode)= \ getVSR(rB(opcode) + 32, &xb, env); = \ memset(&xt, 0, sizeof(xt)); = \ = \ - if (unlikely(stp##_is_any_nan(xb.sfld))) { = \ - if (stp##_is_signaling_nan(xb.sfld, &env->fp_status)) { = \ - float_invalid_op_vxsnan(env, GETPC()); = \ - } = \ - float_invalid_op_vxcvi(env, 0, GETPC()); = \ + xt.tfld =3D stp##_to_##ttp##_round_to_zero(xb.sfld, &env->fp_status); = \ + if (env->fp_status.float_exception_flags & float_flag_invalid) { = \ + float_invalid_cvt(env, 0, GETPC(), stp##_classify(xb.sfld)); = \ xt.tfld =3D rnan; = \ - } else { = \ - xt.tfld =3D stp##_to_##ttp##_round_to_zero(xb.sfld, = \ - &env->fp_status); = \ - if (env->fp_status.float_exception_flags & float_flag_invalid) { = \ - float_invalid_op_vxcvi(env, 0, GETPC()); = \ - } = \ } = \ = \ putVSR(rD(opcode) + 32, &xt, env); = \ --=20 2.17.1