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Sun, 26 Apr 2026 06:46:03 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Cc: qemu-arm@nongnu.org, qemu-s390x@nongnu.org Subject: [PATCH 64/84] fpu: Return struct from parts{64,128}_pick_nan Date: Sun, 26 Apr 2026 23:39:41 +1000 Message-ID: <20260426134002.865628-65-richard.henderson@linaro.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260426134002.865628-1-richard.henderson@linaro.org> References: <20260426134002.865628-1-richard.henderson@linaro.org> 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=2607:f8b0:4864:20::62a; envelope-from=richard.henderson@linaro.org; helo=mail-pl1-x62a.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: 2.1.29 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: 1777211829079158500 Content-Type: text/plain; charset="utf-8" Signed-off-by: Richard Henderson --- fpu/softfloat.c | 8 ++++---- fpu/softfloat-parts.c.inc | 28 ++++++++++++++++------------ 2 files changed, 20 insertions(+), 16 deletions(-) diff --git a/fpu/softfloat.c b/fpu/softfloat.c index b7d461bca4..246209072e 100644 --- a/fpu/softfloat.c +++ b/fpu/softfloat.c @@ -4765,15 +4765,15 @@ void normalizeFloatx80Subnormal(uint64_t aSig, int3= 2_t *zExpPtr, =20 floatx80 propagateFloatx80NaN(floatx80 a, floatx80 b, float_status *status) { - FloatParts128 pa, pb, *pr; + FloatParts128 pa, pb; =20 if (!floatx80_unpack_canonical(&pa, a, status) || !floatx80_unpack_canonical(&pb, b, status)) { return floatx80_default_nan(status); } =20 - pr =3D parts128_pick_nan(&pa, &pb, status); - return floatx80_round_pack_canonical(pr, status); + pa =3D parts128_pick_nan(&pa, &pb, status); + return floatx80_round_pack_canonical(&pa, status); } =20 /*------------------------------------------------------------------------= ---- @@ -5120,7 +5120,7 @@ static void parts_s390_divide_to_integer(FloatParts64= *a, FloatParts64 *b, { /* POp table "Results: DIVIDE TO INTEGER (Part 1 of 2)" */ if ((float_cmask(a->cls) | float_cmask(b->cls)) & float_cmask_anynan) { - *r =3D *parts64_pick_nan(a, b, status); + *r =3D parts64_pick_nan(a, b, status); *n =3D *r; *cc =3D 1; } else if (a->cls =3D=3D float_class_inf || b->cls =3D=3D float_class_= zero) { diff --git a/fpu/softfloat-parts.c.inc b/fpu/softfloat-parts.c.inc index ef46dd740c..40ea7e3a39 100644 --- a/fpu/softfloat-parts.c.inc +++ b/fpu/softfloat-parts.c.inc @@ -37,11 +37,11 @@ static FloatPartsN partsN(return_nan)(const FloatPartsN= *a, float_status *s) return *a; } =20 -static FloatPartsN *partsN(pick_nan)(FloatPartsN *a, FloatPartsN *b, - float_status *s) +static FloatPartsN partsN(pick_nan)(const FloatPartsN *a, const FloatParts= N *b, + float_status *s) { bool have_snan =3D false; - FloatPartsN *ret; + const FloatPartsN *ret; int cmp; =20 if (is_snan(a->cls) || is_snan(b->cls)) { @@ -50,8 +50,7 @@ static FloatPartsN *partsN(pick_nan)(FloatPartsN *a, Floa= tPartsN *b, } =20 if (s->default_nan_mode) { - *a =3D partsN(default_nan)(s); - return a; + return partsN(default_nan)(s); } =20 switch (s->float_2nan_prop_rule) { @@ -110,9 +109,9 @@ static FloatPartsN *partsN(pick_nan)(FloatPartsN *a, Fl= oatPartsN *b, } =20 if (is_snan(ret->cls)) { - *ret =3D partsN(silence_nan)(ret, s); + return partsN(silence_nan)(ret, s); } - return ret; + return *ret; } =20 static FloatPartsN *partsN(pick_nan_muladd)(FloatPartsN *a, FloatPartsN *b, @@ -605,7 +604,8 @@ static FloatPartsN *partsN(addsub)(FloatPartsN *a, Floa= tPartsN *b, return b; =20 p_nan: - return partsN(pick_nan)(a, b, s); + *a =3D partsN(pick_nan)(a, b, s); + return a; } =20 /* @@ -647,7 +647,8 @@ static FloatPartsN *partsN(mul)(FloatPartsN *a, FloatPa= rtsN *b, } =20 if (unlikely(ab_mask & float_cmask_anynan)) { - return partsN(pick_nan)(a, b, s); + *a =3D partsN(pick_nan)(a, b, s); + return a; } =20 /* Multiply by 0 or Inf */ @@ -833,7 +834,8 @@ static FloatPartsN *partsN(div)(FloatPartsN *a, FloatPa= rtsN *b, =20 /* All the NaN cases */ if (unlikely(ab_mask & float_cmask_anynan)) { - return partsN(pick_nan)(a, b, s); + *a =3D partsN(pick_nan)(a, b, s); + return a; } =20 if ((ab_mask & float_cmask_denormal) && b->cls !=3D float_class_zero) { @@ -891,7 +893,8 @@ static FloatPartsN *partsN(modrem)(FloatPartsN *a, Floa= tPartsN *b, =20 /* All the NaN cases */ if (unlikely(ab_mask & float_cmask_anynan)) { - return partsN(pick_nan)(a, b, s); + *a =3D partsN(pick_nan)(a, b, s); + return a; } =20 /* Inf % N; N % 0 */ @@ -1514,7 +1517,8 @@ static FloatPartsN *partsN(minmax)(FloatPartsN *a, Fl= oatPartsN *b, return is_nan(a->cls) ? b : a; } =20 - return partsN(pick_nan)(a, b, s); + *a =3D partsN(pick_nan)(a, b, s); + return a; } =20 if (ab_mask & float_cmask_denormal) { --=20 2.43.0