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GET /api/1.2/patches/2234620/?format=api
{ "id": 2234620, "url": "http://patchwork.ozlabs.org/api/1.2/patches/2234620/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260507221717.486023-15-richard.henderson@linaro.org/", "project": { "id": 14, "url": "http://patchwork.ozlabs.org/api/1.2/projects/14/?format=api", "name": "QEMU Development", "link_name": "qemu-devel", "list_id": "qemu-devel.nongnu.org", "list_email": "qemu-devel@nongnu.org", "web_url": "", "scm_url": "", "webscm_url": "", "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<20260507221717.486023-15-richard.henderson@linaro.org>", "list_archive_url": null, "date": "2026-05-07T22:17:13", "name": "[14/18] fpu: Use {get,set}_flush_inputs_to_zero everywhere", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "6bcc9433263c77d9af98a74c204d524d53b29cf7", "submitter": { "id": 72104, "url": "http://patchwork.ozlabs.org/api/1.2/people/72104/?format=api", "name": "Richard Henderson", "email": "richard.henderson@linaro.org" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260507221717.486023-15-richard.henderson@linaro.org/mbox/", "series": [ { "id": 503289, "url": "http://patchwork.ozlabs.org/api/1.2/series/503289/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/list/?series=503289", "date": "2026-05-07T22:16:59", "name": "fpu: Compress float_status", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/503289/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2234620/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2234620/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org>", "X-Original-To": "incoming@patchwork.ozlabs.org", "Delivered-To": "patchwork-incoming@legolas.ozlabs.org", "Authentication-Results": [ "legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=linaro.org header.i=@linaro.org header.a=rsa-sha256\n header.s=google header.b=RR8I6Fgd;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org\n (client-ip=209.51.188.17; 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helo=mail-oa1-x32.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,\n DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1,\n RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001,\n 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 <qemu-devel.nongnu.org>", "List-Unsubscribe": "<https://lists.nongnu.org/mailman/options/qemu-devel>,\n <mailto:qemu-devel-request@nongnu.org?subject=unsubscribe>", "List-Archive": "<https://lists.nongnu.org/archive/html/qemu-devel>", "List-Post": "<mailto:qemu-devel@nongnu.org>", "List-Help": "<mailto:qemu-devel-request@nongnu.org?subject=help>", "List-Subscribe": "<https://lists.nongnu.org/mailman/listinfo/qemu-devel>,\n <mailto:qemu-devel-request@nongnu.org?subject=subscribe>", "Errors-To": "qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org", "Sender": "qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org" }, "content": "Signed-off-by: Richard Henderson <richard.henderson@linaro.org>\n---\n fpu/softfloat.c | 14 +++++++-------\n target/alpha/fpu_helper.c | 2 +-\n target/alpha/helper.c | 3 ++-\n tests/fp/fp-bench.c | 2 +-\n fpu/softfloat-parts.c.inc | 2 +-\n 5 files changed, 12 insertions(+), 11 deletions(-)", "diff": "diff --git a/fpu/softfloat.c b/fpu/softfloat.c\nindex 98cb0623ac..92918df89a 100644\n--- a/fpu/softfloat.c\n+++ b/fpu/softfloat.c\n@@ -141,7 +141,7 @@ GEN_INPUT_FLUSH__NOCHECK(float64_input_flush__nocheck, float64)\n #define GEN_INPUT_FLUSH1(name, soft_t) \\\n static inline void name(soft_t *a, float_status *s) \\\n { \\\n- if (likely(!s->flush_inputs_to_zero)) { \\\n+ if (likely(!get_flush_inputs_to_zero(s))) { \\\n return; \\\n } \\\n soft_t ## _input_flush__nocheck(a, s); \\\n@@ -154,7 +154,7 @@ GEN_INPUT_FLUSH1(float64_input_flush1, float64)\n #define GEN_INPUT_FLUSH2(name, soft_t) \\\n static inline void name(soft_t *a, soft_t *b, float_status *s) \\\n { \\\n- if (likely(!s->flush_inputs_to_zero)) { \\\n+ if (likely(!get_flush_inputs_to_zero(s))) { \\\n return; \\\n } \\\n soft_t ## _input_flush__nocheck(a, s); \\\n@@ -168,7 +168,7 @@ GEN_INPUT_FLUSH2(float64_input_flush2, float64)\n #define GEN_INPUT_FLUSH3(name, soft_t) \\\n static inline void name(soft_t *a, soft_t *b, soft_t *c, float_status *s) \\\n { \\\n- if (likely(!s->flush_inputs_to_zero)) { \\\n+ if (likely(!get_flush_inputs_to_zero(s))) { \\\n return; \\\n } \\\n soft_t ## _input_flush__nocheck(a, s); \\\n@@ -4752,7 +4752,7 @@ static bool parts_squash_denormal(FloatParts64 p, float_status *status)\n \n float16 float16_squash_input_denormal(float16 a, float_status *status)\n {\n- if (status->flush_inputs_to_zero) {\n+ if (get_flush_inputs_to_zero(status)) {\n FloatParts64 p = unpack_raw64(&float16_params, a);\n \n if (parts_squash_denormal(p, status)) {\n@@ -4764,7 +4764,7 @@ float16 float16_squash_input_denormal(float16 a, float_status *status)\n \n float32 float32_squash_input_denormal(float32 a, float_status *status)\n {\n- if (status->flush_inputs_to_zero) {\n+ if (get_flush_inputs_to_zero(status)) {\n FloatParts64 p = unpack_raw64(&float32_params, a);\n \n if (parts_squash_denormal(p, status)) {\n@@ -4776,7 +4776,7 @@ float32 float32_squash_input_denormal(float32 a, float_status *status)\n \n float64 float64_squash_input_denormal(float64 a, float_status *status)\n {\n- if (status->flush_inputs_to_zero) {\n+ if (get_flush_inputs_to_zero(status)) {\n FloatParts64 p = unpack_raw64(&float64_params, a);\n \n if (parts_squash_denormal(p, status)) {\n@@ -4788,7 +4788,7 @@ float64 float64_squash_input_denormal(float64 a, float_status *status)\n \n bfloat16 bfloat16_squash_input_denormal(bfloat16 a, float_status *status)\n {\n- if (status->flush_inputs_to_zero) {\n+ if (get_flush_inputs_to_zero(status)) {\n FloatParts64 p = unpack_raw64(&bfloat16_params, a);\n \n if (parts_squash_denormal(p, status)) {\ndiff --git a/target/alpha/fpu_helper.c b/target/alpha/fpu_helper.c\nindex 0ced53c54e..5b7e4bd5eb 100644\n--- a/target/alpha/fpu_helper.c\n+++ b/target/alpha/fpu_helper.c\n@@ -151,7 +151,7 @@ void helper_ieee_input_cmp(CPUAlphaState *env, uint64_t val)\n void helper_ieee_input_s(CPUAlphaState *env, uint64_t val)\n {\n if (unlikely(2 * val - 1 < 0x1fffffffffffffull)\n- && !env->fp_status.flush_inputs_to_zero) {\n+ && !get_flush_inputs_to_zero(&env->fp_status)) {\n arith_excp(env, GETPC(), EXC_M_INV | EXC_M_SWC, 0);\n }\n }\ndiff --git a/target/alpha/helper.c b/target/alpha/helper.c\nindex 179dc2dc7a..b7eb13d0d2 100644\n--- a/target/alpha/helper.c\n+++ b/target/alpha/helper.c\n@@ -24,6 +24,7 @@\n #include \"exec/page-protection.h\"\n #include \"exec/target_page.h\"\n #include \"fpu/softfloat-types.h\"\n+#include \"fpu/softfloat-helpers.h\"\n #include \"exec/helper-proto.h\"\n #include \"qemu/qemu-print.h\"\n #include \"system/memory.h\"\n@@ -80,7 +81,7 @@ void cpu_alpha_store_fpcr(CPUAlphaState *env, uint64_t val)\n env->fpcr_exc_enable = ~t & FPCR_STATUS_MASK;\n \n env->fpcr_dyn_round = rm_map[(fpcr & FPCR_DYN_MASK) >> FPCR_DYN_SHIFT];\n- env->fp_status.flush_inputs_to_zero = (fpcr & FPCR_DNZ) != 0;\n+ set_flush_inputs_to_zero(fpcr & FPCR_DNZ, &env->fp_status);\n \n t = (fpcr & FPCR_UNFD) && (fpcr & FPCR_UNDZ);\n #ifdef CONFIG_USER_ONLY\ndiff --git a/tests/fp/fp-bench.c b/tests/fp/fp-bench.c\nindex ccc561b578..c53d6e4b34 100644\n--- a/tests/fp/fp-bench.c\n+++ b/tests/fp/fp-bench.c\n@@ -672,7 +672,7 @@ static void parse_args(int argc, char *argv[])\n tester = val;\n break;\n case 'z':\n- soft_status.flush_inputs_to_zero = 1;\n+ set_flush_inputs_to_zero(true, &soft_status);\n break;\n case 'Z':\n set_flush_to_zero(true, &soft_status);\ndiff --git a/fpu/softfloat-parts.c.inc b/fpu/softfloat-parts.c.inc\nindex 22c11171f3..c6a3ba9a22 100644\n--- a/fpu/softfloat-parts.c.inc\n+++ b/fpu/softfloat-parts.c.inc\n@@ -218,7 +218,7 @@ static void partsN(canonicalize)(FloatPartsN *p, float_status *status,\n if (unlikely(p->exp == 0)) {\n if (likely(fracN(eqz)(p))) {\n p->cls = float_class_zero;\n- } else if (status->flush_inputs_to_zero) {\n+ } else if (get_flush_inputs_to_zero(status)) {\n float_raise(float_flag_input_denormal_flushed, status);\n p->cls = float_class_zero;\n fracN(clear)(p);\n", "prefixes": [ "14/18" ] }