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Thu, 21 May 2026 04:08:53 -0700 (PDT) From: Anton Blanchard To: qemu-devel@nongnu.org, qemu-riscv@nongnu.org Cc: alistair.francis@wdc.com, philmd@linaro.org, chao.liu.zevorn@gmail.com, Anton Blanchard Subject: [PATCH v2] target/riscv: Use float_raise Date: Thu, 21 May 2026 11:08:24 +0000 Message-Id: <20260521110824.1091323-1-antonb@tenstorrent.com> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 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=lists1p.gnu.org; Received-SPF: pass client-ip=2001:4860:4864:20::2a; envelope-from=antonb@tenstorrent.com; helo=mail-oa1-x2a.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=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: qemu development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @tenstorrent.com) X-ZM-MESSAGEID: 1779361790110158500 Content-Type: text/plain; charset="utf-8" Reviewed-by: Chao Liu Reviewed-by: Max Chou Reviewed-by: Philippe Mathieu-Daud=C3=A9 --- target/riscv/vector_helper.c | 35 +++++++++++++++++------------------ 1 file changed, 17 insertions(+), 18 deletions(-) diff --git a/target/riscv/vector_helper.c b/target/riscv/vector_helper.c index c4e150635e..d1be0682fe 100644 --- a/target/riscv/vector_helper.c +++ b/target/riscv/vector_helper.c @@ -4084,7 +4084,7 @@ static bfloat16 frsqrt7_h_bf16(bfloat16 f, float_stat= us *s) (bfloat16_is_infinity(f) && sign) || (bfloat16_is_normal(f) && sign) || (bfloat16_is_zero_or_denormal(f) && !bfloat16_is_zero(f) && sign))= { - s->float_exception_flags |=3D float_flag_invalid; + float_raise(float_flag_invalid, s); return bfloat16_default_nan(s); } =20 @@ -4095,7 +4095,7 @@ static bfloat16 frsqrt7_h_bf16(bfloat16 f, float_stat= us *s) =20 /* frsqrt7(+-0) =3D +-inf */ if (bfloat16_is_zero(f)) { - s->float_exception_flags |=3D float_flag_divbyzero; + float_raise(float_flag_divbyzero, s); return bfloat16_set_sign(bfloat16_infinity, sign); } =20 @@ -4124,7 +4124,7 @@ static float16 frsqrt7_h(float16 f, float_status *s) (float16_is_infinity(f) && sign) || (float16_is_normal(f) && sign) || (float16_is_zero_or_denormal(f) && !float16_is_zero(f) && sign)) { - s->float_exception_flags |=3D float_flag_invalid; + float_raise(float_flag_invalid, s); return float16_default_nan(s); } =20 @@ -4135,7 +4135,7 @@ static float16 frsqrt7_h(float16 f, float_status *s) =20 /* frsqrt7(+-0) =3D +-inf */ if (float16_is_zero(f)) { - s->float_exception_flags |=3D float_flag_divbyzero; + float_raise(float_flag_divbyzero, s); return float16_set_sign(float16_infinity, sign); } =20 @@ -4164,7 +4164,7 @@ static float32 frsqrt7_s(float32 f, float_status *s) (float32_is_infinity(f) && sign) || (float32_is_normal(f) && sign) || (float32_is_zero_or_denormal(f) && !float32_is_zero(f) && sign)) { - s->float_exception_flags |=3D float_flag_invalid; + float_raise(float_flag_invalid, s); return float32_default_nan(s); } =20 @@ -4175,7 +4175,7 @@ static float32 frsqrt7_s(float32 f, float_status *s) =20 /* frsqrt7(+-0) =3D +-inf */ if (float32_is_zero(f)) { - s->float_exception_flags |=3D float_flag_divbyzero; + float_raise(float_flag_divbyzero, s); return float32_set_sign(float32_infinity, sign); } =20 @@ -4204,7 +4204,7 @@ static float64 frsqrt7_d(float64 f, float_status *s) (float64_is_infinity(f) && sign) || (float64_is_normal(f) && sign) || (float64_is_zero_or_denormal(f) && !float64_is_zero(f) && sign)) { - s->float_exception_flags |=3D float_flag_invalid; + float_raise(float_flag_invalid, s); return float64_default_nan(s); } =20 @@ -4215,7 +4215,7 @@ static float64 frsqrt7_d(float64 f, float_status *s) =20 /* frsqrt7(+-0) =3D +-inf */ if (float64_is_zero(f)) { - s->float_exception_flags |=3D float_flag_divbyzero; + float_raise(float_flag_divbyzero, s); return float64_set_sign(float64_infinity, sign); } =20 @@ -4285,8 +4285,7 @@ static uint64_t frec7(uint64_t f, int exp_size, int f= rac_size, * Overflow to inf or max value of same sign, * depending on sign and rounding mode. */ - s->float_exception_flags |=3D (float_flag_inexact | - float_flag_overflow); + float_raise(float_flag_inexact | float_flag_overflow, s); =20 if ((s->float_rounding_mode =3D=3D float_round_to_zero) || ((s->float_rounding_mode =3D=3D float_round_down) && !sign= ) || @@ -4338,13 +4337,13 @@ static bfloat16 frec7_h_bf16(bfloat16 f, float_stat= us *s) =20 /* frec7(+-0) =3D +-inf */ if (bfloat16_is_zero(f)) { - s->float_exception_flags |=3D float_flag_divbyzero; + float_raise(float_flag_divbyzero, s); return bfloat16_set_sign(bfloat16_infinity, sign); } =20 /* frec7(sNaN) =3D canonical NaN */ if (bfloat16_is_signaling_nan(f, s)) { - s->float_exception_flags |=3D float_flag_invalid; + float_raise(float_flag_invalid, s); return bfloat16_default_nan(s); } =20 @@ -4370,13 +4369,13 @@ static float16 frec7_h(float16 f, float_status *s) =20 /* frec7(+-0) =3D +-inf */ if (float16_is_zero(f)) { - s->float_exception_flags |=3D float_flag_divbyzero; + float_raise(float_flag_divbyzero, s); return float16_set_sign(float16_infinity, sign); } =20 /* frec7(sNaN) =3D canonical NaN */ if (float16_is_signaling_nan(f, s)) { - s->float_exception_flags |=3D float_flag_invalid; + float_raise(float_flag_invalid, s); return float16_default_nan(s); } =20 @@ -4402,13 +4401,13 @@ static float32 frec7_s(float32 f, float_status *s) =20 /* frec7(+-0) =3D +-inf */ if (float32_is_zero(f)) { - s->float_exception_flags |=3D float_flag_divbyzero; + float_raise(float_flag_divbyzero, s); return float32_set_sign(float32_infinity, sign); } =20 /* frec7(sNaN) =3D canonical NaN */ if (float32_is_signaling_nan(f, s)) { - s->float_exception_flags |=3D float_flag_invalid; + float_raise(float_flag_invalid, s); return float32_default_nan(s); } =20 @@ -4434,13 +4433,13 @@ static float64 frec7_d(float64 f, float_status *s) =20 /* frec7(+-0) =3D +-inf */ if (float64_is_zero(f)) { - s->float_exception_flags |=3D float_flag_divbyzero; + float_raise(float_flag_divbyzero, s); return float64_set_sign(float64_infinity, sign); } =20 /* frec7(sNaN) =3D canonical NaN */ if (float64_is_signaling_nan(f, s)) { - s->float_exception_flags |=3D float_flag_invalid; + float_raise(float_flag_invalid, s); return float64_default_nan(s); } =20 --=20 2.34.1