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Wed, 20 May 2026 10:18:36 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Cc: qemu-arm@nongnu.org, =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= Subject: [PATCH v5 21/30] fpu: Use {get,set}_flush_to_zero everywhere Date: Wed, 20 May 2026 10:18:11 -0700 Message-ID: <20260520171820.848839-22-richard.henderson@linaro.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260520171820.848839-1-richard.henderson@linaro.org> References: <20260520171820.848839-1-richard.henderson@linaro.org> 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=lists1p.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::102c; envelope-from=richard.henderson@linaro.org; helo=mail-pj1-x102c.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 @linaro.org) X-ZM-MESSAGEID: 1779297554916154100 Reviewed-by: Philippe Mathieu-Daud=C3=A9 Signed-off-by: Richard Henderson --- fpu/softfloat.c | 2 +- target/arm/tcg/vfp_helper.c | 6 +++--- tests/fp/fp-bench.c | 2 +- fpu/softfloat-parts.c.inc | 4 ++-- 4 files changed, 7 insertions(+), 7 deletions(-) diff --git a/fpu/softfloat.c b/fpu/softfloat.c index c7c750f284..dcae5b3be2 100644 --- a/fpu/softfloat.c +++ b/fpu/softfloat.c @@ -4919,7 +4919,7 @@ floatx80 roundAndPackFloatx80(FloatX80RoundPrec round= ingPrecision, bool zSign, goto overflow; } if ( zExp <=3D 0 ) { - if (status->flush_to_zero) { + if (get_flush_to_zero(status)) { float_raise(float_flag_output_denormal_flushed, status); return packFloatx80(zSign, 0, 0); } diff --git a/target/arm/tcg/vfp_helper.c b/target/arm/tcg/vfp_helper.c index 5839e82449..495ce8a329 100644 --- a/target/arm/tcg/vfp_helper.c +++ b/target/arm/tcg/vfp_helper.c @@ -711,7 +711,7 @@ uint32_t HELPER(recpe_f16)(uint32_t input, float_status= *fpst) } else { return float16_set_sign(float16_maxnorm, f16_sign); } - } else if (f16_exp >=3D 29 && fpst->flush_to_zero) { + } else if (f16_exp >=3D 29 && get_flush_to_zero(fpst)) { float_raise(float_flag_underflow, fpst); return float16_set_sign(float16_zero, float16_is_neg(f16)); } @@ -764,7 +764,7 @@ static float32 do_recpe_f32(float32 input, float_status= *fpst, bool rpres) } else { return float32_set_sign(float32_maxnorm, f32_sign); } - } else if (f32_exp >=3D 253 && fpst->flush_to_zero) { + } else if (f32_exp >=3D 253 && get_flush_to_zero(fpst)) { float_raise(float_flag_underflow, fpst); return float32_set_sign(float32_zero, float32_is_neg(f32)); } @@ -823,7 +823,7 @@ float64 HELPER(recpe_f64)(float64 input, float_status *= fpst) } else { return float64_set_sign(float64_maxnorm, f64_sign); } - } else if (f64_exp >=3D 2045 && fpst->flush_to_zero) { + } else if (f64_exp >=3D 2045 && get_flush_to_zero(fpst)) { float_raise(float_flag_underflow, fpst); return float64_set_sign(float64_zero, float64_is_neg(f64)); } diff --git a/tests/fp/fp-bench.c b/tests/fp/fp-bench.c index 2b6f66817e..ccc561b578 100644 --- a/tests/fp/fp-bench.c +++ b/tests/fp/fp-bench.c @@ -675,7 +675,7 @@ static void parse_args(int argc, char *argv[]) soft_status.flush_inputs_to_zero =3D 1; break; case 'Z': - soft_status.flush_to_zero =3D 1; + set_flush_to_zero(true, &soft_status); break; } } diff --git a/fpu/softfloat-parts.c.inc b/fpu/softfloat-parts.c.inc index 1c726cb86e..9e823a3ee9 100644 --- a/fpu/softfloat-parts.c.inc +++ b/fpu/softfloat-parts.c.inc @@ -411,7 +411,7 @@ static void partsN(uncanon_normal)(FloatPartsN *p, floa= t_status *s, p->frac_lo &=3D ~round_mask; } fracN(shr)(p, frac_shift); - } else if (s->flush_to_zero && + } else if (get_flush_to_zero(s) && s->ftz_detection =3D=3D float_ftz_before_rounding) { flags |=3D float_flag_output_denormal_flushed; p->cls =3D float_class_zero; @@ -462,7 +462,7 @@ static void partsN(uncanon_normal)(FloatPartsN *p, floa= t_status *s, fracN(shr)(p, frac_shift); =20 if (is_tiny) { - if (s->flush_to_zero) { + if (get_flush_to_zero(s)) { assert(s->ftz_detection =3D=3D float_ftz_after_rounding); flags |=3D float_flag_output_denormal_flushed; p->cls =3D float_class_zero; --=20 2.43.0