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Fri, 07 May 2021 18:48:16 -0700 (PDT) Received: from localhost.localdomain ([71.212.144.24]) by smtp.gmail.com with ESMTPSA id t4sm5819681pfq.165.2021.05.07.18.48.15 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 07 May 2021 18:48:15 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH 19/72] softfloat: Use pointers with ftype_unpack_raw Date: Fri, 7 May 2021 18:47:09 -0700 Message-Id: <20210508014802.892561-20-richard.henderson@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210508014802.892561-1-richard.henderson@linaro.org> References: <20210508014802.892561-1-richard.henderson@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::435; envelope-from=richard.henderson@linaro.org; helo=mail-pf1-x435.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=unavailable 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: alex.bennee@linaro.org, david@redhat.com Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Signed-off-by: Richard Henderson Reviewed-by: Alex Bennée --- fpu/softfloat.c | 76 +++++++++++++++++++++++++++++++------------------ 1 file changed, 48 insertions(+), 28 deletions(-) diff --git a/fpu/softfloat.c b/fpu/softfloat.c index 5ff9368012..5a736a46cf 100644 --- a/fpu/softfloat.c +++ b/fpu/softfloat.c @@ -593,32 +593,24 @@ static void unpack_raw64(FloatParts64 *r, const FloatFmt *fmt, uint64_t raw) }; } -static inline FloatParts64 float16_unpack_raw(float16 f) +static inline void float16_unpack_raw(FloatParts64 *p, float16 f) { - FloatParts64 p; - unpack_raw64(&p, &float16_params, f); - return p; + unpack_raw64(p, &float16_params, f); } -static inline FloatParts64 bfloat16_unpack_raw(bfloat16 f) +static inline void bfloat16_unpack_raw(FloatParts64 *p, bfloat16 f) { - FloatParts64 p; - unpack_raw64(&p, &bfloat16_params, f); - return p; + unpack_raw64(p, &bfloat16_params, f); } -static inline FloatParts64 float32_unpack_raw(float32 f) +static inline void float32_unpack_raw(FloatParts64 *p, float32 f) { - FloatParts64 p; - unpack_raw64(&p, &float32_params, f); - return p; + unpack_raw64(p, &float32_params, f); } -static inline FloatParts64 float64_unpack_raw(float64 f) +static inline void float64_unpack_raw(FloatParts64 *p, float64 f) { - FloatParts64 p; - unpack_raw64(&p, &float64_params, f); - return p; + unpack_raw64(p, &float64_params, f); } /* Pack a float from parts, but do not canonicalize. */ @@ -931,7 +923,10 @@ static FloatParts64 pick_nan_muladd(FloatParts64 a, FloatParts64 b, FloatParts64 static FloatParts64 float16a_unpack_canonical(float16 f, float_status *s, const FloatFmt *params) { - return sf_canonicalize(float16_unpack_raw(f), params, s); + FloatParts64 p; + + float16_unpack_raw(&p, f); + return sf_canonicalize(p, params, s); } static FloatParts64 float16_unpack_canonical(float16 f, float_status *s) @@ -941,7 +936,10 @@ static FloatParts64 float16_unpack_canonical(float16 f, float_status *s) static FloatParts64 bfloat16_unpack_canonical(bfloat16 f, float_status *s) { - return sf_canonicalize(bfloat16_unpack_raw(f), &bfloat16_params, s); + FloatParts64 p; + + bfloat16_unpack_raw(&p, f); + return sf_canonicalize(p, &bfloat16_params, s); } static float16 float16a_round_pack_canonical(FloatParts64 p, float_status *s, @@ -962,7 +960,10 @@ static bfloat16 bfloat16_round_pack_canonical(FloatParts64 p, float_status *s) static FloatParts64 float32_unpack_canonical(float32 f, float_status *s) { - return sf_canonicalize(float32_unpack_raw(f), &float32_params, s); + FloatParts64 p; + + float32_unpack_raw(&p, f); + return sf_canonicalize(p, &float32_params, s); } static float32 float32_round_pack_canonical(FloatParts64 p, float_status *s) @@ -972,7 +973,10 @@ static float32 float32_round_pack_canonical(FloatParts64 p, float_status *s) static FloatParts64 float64_unpack_canonical(float64 f, float_status *s) { - return sf_canonicalize(float64_unpack_raw(f), &float64_params, s); + FloatParts64 p; + + float64_unpack_raw(&p, f); + return sf_canonicalize(p, &float64_params, s); } static float64 float64_round_pack_canonical(FloatParts64 p, float_status *s) @@ -3648,7 +3652,9 @@ bfloat16 bfloat16_default_nan(float_status *status) float16 float16_silence_nan(float16 a, float_status *status) { - FloatParts64 p = float16_unpack_raw(a); + FloatParts64 p; + + float16_unpack_raw(&p, a); p.frac <<= float16_params.frac_shift; p = parts_silence_nan(p, status); p.frac >>= float16_params.frac_shift; @@ -3657,7 +3663,9 @@ float16 float16_silence_nan(float16 a, float_status *status) float32 float32_silence_nan(float32 a, float_status *status) { - FloatParts64 p = float32_unpack_raw(a); + FloatParts64 p; + + float32_unpack_raw(&p, a); p.frac <<= float32_params.frac_shift; p = parts_silence_nan(p, status); p.frac >>= float32_params.frac_shift; @@ -3666,7 +3674,9 @@ float32 float32_silence_nan(float32 a, float_status *status) float64 float64_silence_nan(float64 a, float_status *status) { - FloatParts64 p = float64_unpack_raw(a); + FloatParts64 p; + + float64_unpack_raw(&p, a); p.frac <<= float64_params.frac_shift; p = parts_silence_nan(p, status); p.frac >>= float64_params.frac_shift; @@ -3675,7 +3685,9 @@ float64 float64_silence_nan(float64 a, float_status *status) bfloat16 bfloat16_silence_nan(bfloat16 a, float_status *status) { - FloatParts64 p = bfloat16_unpack_raw(a); + FloatParts64 p; + + bfloat16_unpack_raw(&p, a); p.frac <<= bfloat16_params.frac_shift; p = parts_silence_nan(p, status); p.frac >>= bfloat16_params.frac_shift; @@ -3700,7 +3712,9 @@ static bool parts_squash_denormal(FloatParts64 p, float_status *status) float16 float16_squash_input_denormal(float16 a, float_status *status) { if (status->flush_inputs_to_zero) { - FloatParts64 p = float16_unpack_raw(a); + FloatParts64 p; + + float16_unpack_raw(&p, a); if (parts_squash_denormal(p, status)) { return float16_set_sign(float16_zero, p.sign); } @@ -3711,7 +3725,9 @@ float16 float16_squash_input_denormal(float16 a, float_status *status) float32 float32_squash_input_denormal(float32 a, float_status *status) { if (status->flush_inputs_to_zero) { - FloatParts64 p = float32_unpack_raw(a); + FloatParts64 p; + + float32_unpack_raw(&p, a); if (parts_squash_denormal(p, status)) { return float32_set_sign(float32_zero, p.sign); } @@ -3722,7 +3738,9 @@ float32 float32_squash_input_denormal(float32 a, float_status *status) float64 float64_squash_input_denormal(float64 a, float_status *status) { if (status->flush_inputs_to_zero) { - FloatParts64 p = float64_unpack_raw(a); + FloatParts64 p; + + float64_unpack_raw(&p, a); if (parts_squash_denormal(p, status)) { return float64_set_sign(float64_zero, p.sign); } @@ -3733,7 +3751,9 @@ float64 float64_squash_input_denormal(float64 a, float_status *status) bfloat16 bfloat16_squash_input_denormal(bfloat16 a, float_status *status) { if (status->flush_inputs_to_zero) { - FloatParts64 p = bfloat16_unpack_raw(a); + FloatParts64 p; + + bfloat16_unpack_raw(&p, a); if (parts_squash_denormal(p, status)) { return bfloat16_set_sign(bfloat16_zero, p.sign); }