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bh=3v9UZn8HopUm9cQP63ez8kbf0Uv8MfKI8+fTZCjxWSA=; b=AUb0DpQiZuEHxxdIlMiCV2WEEbhK0QMJQI3kJ4yys3W1e2TF8hymCiSz VEwvpdBa4gEf2LbtMAq/gRhMtnFNY5S+zIuQtR8Mie3X0mRxP5vRU04D1 JrjDtdhqIUhecqEmOczTXZS6gUmiUXRjnH/dYEWdglAOJ6mbt5k/B1B5p g=; Received: from unknown (HELO ironmsg01-sd.qualcomm.com) ([10.53.140.141]) by alexa-out-sd-01.qualcomm.com with ESMTP; 31 Mar 2021 20:53:41 -0700 X-QCInternal: smtphost Received: from vu-tsimpson-aus.qualcomm.com (HELO vu-tsimpson1-aus.qualcomm.com) ([10.222.150.1]) by ironmsg01-sd.qualcomm.com with ESMTP; 31 Mar 2021 20:53:41 -0700 Received: by vu-tsimpson1-aus.qualcomm.com (Postfix, from userid 47164) id D62241203; Wed, 31 Mar 2021 22:53:40 -0500 (CDT) From: Taylor Simpson To: qemu-devel@nongnu.org Subject: [PATCH v2 10/21] Hexagon (target/hexagon) replace float32_mul_pow2 with float32_scalbn Date: Wed, 31 Mar 2021 22:53:22 -0500 Message-Id: <1617249213-22667-11-git-send-email-tsimpson@quicinc.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1617249213-22667-1-git-send-email-tsimpson@quicinc.com> References: <1617249213-22667-1-git-send-email-tsimpson@quicinc.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=199.106.114.38; envelope-from=tsimpson@qualcomm.com; helo=alexa-out-sd-01.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+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Suggested-by: Richard Henderson Reviewed-by: Richard Henderson Signed-off-by: Taylor Simpson --- 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) } } -static float32 float32_mul_pow2(float32 a, uint32_t p, float_status *fp_status) -{ - float32 b = 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 *adjust, float_status *fp_status) { @@ -217,22 +211,22 @@ int arch_sf_recip_common(float32 *Rs, float32 *Rt, float32 *Rd, int *adjust, if ((n_exp - d_exp + SF_BIAS) <= SF_MANTBITS) { /* Near quotient underflow / inexact Q */ PeV = 0x80; - RtV = float32_mul_pow2(RtV, -64, fp_status); - RsV = float32_mul_pow2(RsV, 64, fp_status); + RtV = float32_scalbn(RtV, -64, fp_status); + RsV = float32_scalbn(RsV, 64, fp_status); } else if ((n_exp - d_exp + SF_BIAS) > (SF_MAXEXP - 24)) { /* Near quotient overflow */ PeV = 0x40; - RtV = float32_mul_pow2(RtV, 32, fp_status); - RsV = float32_mul_pow2(RsV, -32, fp_status); + RtV = float32_scalbn(RtV, 32, fp_status); + RsV = float32_scalbn(RsV, -32, fp_status); } else if (n_exp <= SF_MANTBITS + 2) { - RtV = float32_mul_pow2(RtV, 64, fp_status); - RsV = float32_mul_pow2(RsV, 64, fp_status); + RtV = float32_scalbn(RtV, 64, fp_status); + RsV = float32_scalbn(RsV, 64, fp_status); } else if (d_exp <= 1) { - RtV = float32_mul_pow2(RtV, 32, fp_status); - RsV = float32_mul_pow2(RsV, 32, fp_status); + RtV = float32_scalbn(RtV, 32, fp_status); + RsV = float32_scalbn(RsV, 32, fp_status); } else if (d_exp > 252) { - RtV = float32_mul_pow2(RtV, -32, fp_status); - RsV = float32_mul_pow2(RsV, -32, fp_status); + RtV = float32_scalbn(RtV, -32, fp_status); + RsV = float32_scalbn(RsV, -32, fp_status); } RdV = 0; ret = 1; @@ -274,7 +268,7 @@ int arch_sf_invsqrt_common(float32 *Rs, float32 *Rd, int *adjust, /* Basic checks passed */ r_exp = float32_getexp(RsV); if (r_exp <= 24) { - RsV = float32_mul_pow2(RsV, 64, fp_status); + RsV = float32_scalbn(RsV, 64, fp_status); PeV = 0xe0; } RdV = 0; -- 2.7.4