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Wed, 24 Mar 2021 22:50:26 -0400 Received: from unknown (HELO ironmsg02-sd.qualcomm.com) ([10.53.140.142]) by alexa-out-sd-02.qualcomm.com with ESMTP; 24 Mar 2021 19:50:13 -0700 Received: from vu-tsimpson-aus.qualcomm.com (HELO vu-tsimpson1-aus.qualcomm.com) ([10.222.150.1]) by ironmsg02-sd.qualcomm.com with ESMTP; 24 Mar 2021 19:50:12 -0700 Received: by vu-tsimpson1-aus.qualcomm.com (Postfix, from userid 47164) id 092FD16A9; Wed, 24 Mar 2021 21:50:12 -0500 (CDT) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=quicinc.com; i=@quicinc.com; q=dns/txt; s=qcdkim; t=1616640616; x=1648176616; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=8Gc7OWL4e4CSUMeIzlN9hR2nRkf+HnkrEhtt/X3v1ms=; b=wBei8YfrVQbK6fsvR3UyeVLeMJKMqE6HfEleAt0fSsgnvBr0n/GMcDkB wCJaCOWsCFhUAxsUl/dEH+PxtnDCCHfpOxjWmUMZzEJSn+W+lytHAwYS4 ZWldEXT5xcLjh+zfDHTIMmtl+dT/kKgblxK2zD/zdWL+8o3RY33Xkk64e I=; X-QCInternal: smtphost From: Taylor Simpson To: qemu-devel@nongnu.org Subject: [PATCH 08/15] Hexagon (target/hexagon) replace float32_mul_pow2 with float32_scalbn Date: Wed, 24 Mar 2021 21:50:03 -0500 Message-Id: <1616640610-17319-9-git-send-email-tsimpson@quicinc.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1616640610-17319-1-git-send-email-tsimpson@quicinc.com> References: <1616640610-17319-1-git-send-email-tsimpson@quicinc.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=199.106.114.39; envelope-from=tsimpson@qualcomm.com; helo=alexa-out-sd-02.qualcomm.com X-Spam_score_int: -40 X-Spam_score: -4.1 X-Spam_bar: ---- X-Spam_report: (-4.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, HEADER_FROM_DIFFERENT_DOMAINS=0.249, RCVD_IN_DNSWL_MED=-2.3, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: ale@rev.ng, philmd@redhat.com, tsimpson@quicinc.com, richard.henderson@linaro.org, bcain@quicinc.com Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Address feedback from Richard Henderson Signed-off-by: Taylor Simpson Reviewed-by: Richard Henderson --- target/hexagon/arch.c | 28 +++++++++++----------------- 1 file changed, 11 insertions(+), 17 deletions(-) diff --git a/target/hexagon/arch.c b/target/hexagon/arch.c index bb51f19..40b6e3d 100644 --- a/target/hexagon/arch.c +++ b/target/hexagon/arch.c @@ -143,12 +143,6 @@ void arch_fpop_end(CPUHexagonState *env) } } =20 -static float32 float32_mul_pow2(float32 a, uint32_t p, float_status *fp_st= atus) -{ - float32 b =3D make_float32((SF_BIAS + p) << SF_MANTBITS); - return float32_mul(a, b, fp_status); -} - int arch_sf_recip_common(float32 *Rs, float32 *Rt, float32 *Rd, int *adjus= t, float_status *fp_status) { @@ -217,22 +211,22 @@ int arch_sf_recip_common(float32 *Rs, float32 *Rt, fl= oat32 *Rd, int *adjust, if ((n_exp - d_exp + SF_BIAS) <=3D SF_MANTBITS) { /* Near quotient underflow / inexact Q */ PeV =3D 0x80; - RtV =3D float32_mul_pow2(RtV, -64, fp_status); - RsV =3D float32_mul_pow2(RsV, 64, fp_status); + RtV =3D float32_scalbn(RtV, -64, fp_status); + RsV =3D float32_scalbn(RsV, 64, fp_status); } else if ((n_exp - d_exp + SF_BIAS) > (SF_MAXEXP - 24)) { /* Near quotient overflow */ PeV =3D 0x40; - RtV =3D float32_mul_pow2(RtV, 32, fp_status); - RsV =3D float32_mul_pow2(RsV, -32, fp_status); + RtV =3D float32_scalbn(RtV, 32, fp_status); + RsV =3D float32_scalbn(RsV, -32, fp_status); } else if (n_exp <=3D SF_MANTBITS + 2) { - RtV =3D float32_mul_pow2(RtV, 64, fp_status); - RsV =3D float32_mul_pow2(RsV, 64, fp_status); + RtV =3D float32_scalbn(RtV, 64, fp_status); + RsV =3D float32_scalbn(RsV, 64, fp_status); } else if (d_exp <=3D 1) { - RtV =3D float32_mul_pow2(RtV, 32, fp_status); - RsV =3D float32_mul_pow2(RsV, 32, fp_status); + RtV =3D float32_scalbn(RtV, 32, fp_status); + RsV =3D float32_scalbn(RsV, 32, fp_status); } else if (d_exp > 252) { - RtV =3D float32_mul_pow2(RtV, -32, fp_status); - RsV =3D float32_mul_pow2(RsV, -32, fp_status); + RtV =3D float32_scalbn(RtV, -32, fp_status); + RsV =3D float32_scalbn(RsV, -32, fp_status); } RdV =3D 0; ret =3D 1; @@ -274,7 +268,7 @@ int arch_sf_invsqrt_common(float32 *Rs, float32 *Rd, in= t *adjust, /* Basic checks passed */ r_exp =3D float32_getexp(RsV); if (r_exp <=3D 24) { - RsV =3D float32_mul_pow2(RsV, 64, fp_status); + RsV =3D float32_scalbn(RsV, 64, fp_status); PeV =3D 0xe0; } RdV =3D 0; --=20 2.7.4