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[2001:8b0:1d0::2]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-438dcc81d74sm127401525e9.37.2025.02.01.08.40.53 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 01 Feb 2025 08:40:54 -0800 (PST) From: Peter Maydell To: qemu-arm@nongnu.org, qemu-devel@nongnu.org Subject: [PATCH v2 30/69] target/arm: Implement FPCR.AH semantics for SVE FMIN/FMAX vector Date: Sat, 1 Feb 2025 16:39:33 +0000 Message-Id: <20250201164012.1660228-31-peter.maydell@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20250201164012.1660228-1-peter.maydell@linaro.org> References: <20250201164012.1660228-1-peter.maydell@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2a00:1450:4864:20::330; envelope-from=peter.maydell@linaro.org; helo=mail-wm1-x330.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: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+patch=linaro.org@nongnu.org Sender: qemu-devel-bounces+patch=linaro.org@nongnu.org Implement the FPCR.AH semantics for the SVE FMAX and FMIN operations that take two vector operands. Signed-off-by: Peter Maydell Reviewed-by: Richard Henderson --- target/arm/tcg/helper-sve.h | 14 ++++++++++++++ target/arm/tcg/sve_helper.c | 8 ++++++++ target/arm/tcg/translate-sve.c | 17 +++++++++++++++-- 3 files changed, 37 insertions(+), 2 deletions(-) diff --git a/target/arm/tcg/helper-sve.h b/target/arm/tcg/helper-sve.h index 3c1d2624ed4..918f2e61b7e 100644 --- a/target/arm/tcg/helper-sve.h +++ b/target/arm/tcg/helper-sve.h @@ -1140,6 +1140,20 @@ DEF_HELPER_FLAGS_6(sve_fmax_s, TCG_CALL_NO_RWG, DEF_HELPER_FLAGS_6(sve_fmax_d, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, ptr, fpst, i32) +DEF_HELPER_FLAGS_6(sve_ah_fmin_h, TCG_CALL_NO_RWG, + void, ptr, ptr, ptr, ptr, fpst, i32) +DEF_HELPER_FLAGS_6(sve_ah_fmin_s, TCG_CALL_NO_RWG, + void, ptr, ptr, ptr, ptr, fpst, i32) +DEF_HELPER_FLAGS_6(sve_ah_fmin_d, TCG_CALL_NO_RWG, + void, ptr, ptr, ptr, ptr, fpst, i32) + +DEF_HELPER_FLAGS_6(sve_ah_fmax_h, TCG_CALL_NO_RWG, + void, ptr, ptr, ptr, ptr, fpst, i32) +DEF_HELPER_FLAGS_6(sve_ah_fmax_s, TCG_CALL_NO_RWG, + void, ptr, ptr, ptr, ptr, fpst, i32) +DEF_HELPER_FLAGS_6(sve_ah_fmax_d, TCG_CALL_NO_RWG, + void, ptr, ptr, ptr, ptr, fpst, i32) + DEF_HELPER_FLAGS_6(sve_fminnum_h, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, ptr, fpst, i32) DEF_HELPER_FLAGS_6(sve_fminnum_s, TCG_CALL_NO_RWG, diff --git a/target/arm/tcg/sve_helper.c b/target/arm/tcg/sve_helper.c index 2f6fc82ee4f..a688b98d284 100644 --- a/target/arm/tcg/sve_helper.c +++ b/target/arm/tcg/sve_helper.c @@ -4347,6 +4347,14 @@ DO_ZPZZ_FP(sve_fmax_h, uint16_t, H1_2, float16_max) DO_ZPZZ_FP(sve_fmax_s, uint32_t, H1_4, float32_max) DO_ZPZZ_FP(sve_fmax_d, uint64_t, H1_8, float64_max) +DO_ZPZZ_FP(sve_ah_fmin_h, uint16_t, H1_2, helper_vfp_ah_minh) +DO_ZPZZ_FP(sve_ah_fmin_s, uint32_t, H1_4, helper_vfp_ah_mins) +DO_ZPZZ_FP(sve_ah_fmin_d, uint64_t, H1_8, helper_vfp_ah_mind) + +DO_ZPZZ_FP(sve_ah_fmax_h, uint16_t, H1_2, helper_vfp_ah_maxh) +DO_ZPZZ_FP(sve_ah_fmax_s, uint32_t, H1_4, helper_vfp_ah_maxs) +DO_ZPZZ_FP(sve_ah_fmax_d, uint64_t, H1_8, helper_vfp_ah_maxd) + DO_ZPZZ_FP(sve_fminnum_h, uint16_t, H1_2, float16_minnum) DO_ZPZZ_FP(sve_fminnum_s, uint32_t, H1_4, float32_minnum) DO_ZPZZ_FP(sve_fminnum_d, uint64_t, H1_8, float64_minnum) diff --git a/target/arm/tcg/translate-sve.c b/target/arm/tcg/translate-sve.c index 187bd647c29..2813e5f4871 100644 --- a/target/arm/tcg/translate-sve.c +++ b/target/arm/tcg/translate-sve.c @@ -3759,11 +3759,24 @@ TRANS_FEAT_NONSTREAMING(FTSMUL, aa64_sve, gen_gvec_fpst_arg_zzz, }; \ TRANS_FEAT(NAME, FEAT, gen_gvec_fpst_arg_zpzz, name##_zpzz_fns[a->esz], a) +#define DO_ZPZZ_AH_FP(NAME, FEAT, name, ah_name) \ + static gen_helper_gvec_4_ptr * const name##_zpzz_fns[4] = { \ + NULL, gen_helper_##name##_h, \ + gen_helper_##name##_s, gen_helper_##name##_d \ + }; \ + static gen_helper_gvec_4_ptr * const name##_ah_zpzz_fns[4] = { \ + NULL, gen_helper_##ah_name##_h, \ + gen_helper_##ah_name##_s, gen_helper_##ah_name##_d \ + }; \ + TRANS_FEAT(NAME, FEAT, gen_gvec_fpst_arg_zpzz, \ + s->fpcr_ah ? name##_ah_zpzz_fns[a->esz] : \ + name##_zpzz_fns[a->esz], a) + DO_ZPZZ_FP(FADD_zpzz, aa64_sve, sve_fadd) DO_ZPZZ_FP(FSUB_zpzz, aa64_sve, sve_fsub) DO_ZPZZ_FP(FMUL_zpzz, aa64_sve, sve_fmul) -DO_ZPZZ_FP(FMIN_zpzz, aa64_sve, sve_fmin) -DO_ZPZZ_FP(FMAX_zpzz, aa64_sve, sve_fmax) +DO_ZPZZ_AH_FP(FMIN_zpzz, aa64_sve, sve_fmin, sve_ah_fmin) +DO_ZPZZ_AH_FP(FMAX_zpzz, aa64_sve, sve_fmax, sve_ah_fmax) DO_ZPZZ_FP(FMINNM_zpzz, aa64_sve, sve_fminnum) DO_ZPZZ_FP(FMAXNM_zpzz, aa64_sve, sve_fmaxnum) DO_ZPZZ_FP(FABD, aa64_sve, sve_fabd)