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([71.212.132.216]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-2c28066d511sm1720915a91.9.2024.06.05.10.23.13 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 05 Jun 2024 10:23:13 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Cc: =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= Subject: [PULL 20/38] target/sparc: Implement FPCMPEQ8, FPCMPNE8, FPCMPULE8, FPCMPUGT8 Date: Wed, 5 Jun 2024 10:22:35 -0700 Message-Id: <20240605172253.356302-21-richard.henderson@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240605172253.356302-1-richard.henderson@linaro.org> References: <20240605172253.356302-1-richard.henderson@linaro.org> MIME-Version: 1.0 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, T_SCC_BODY_TEXT_LINE=-0.01 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+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Reviewed-by: Philippe Mathieu-Daudé Signed-off-by: Richard Henderson --- target/sparc/helper.h | 4 ++++ target/sparc/insns.decode | 5 +++++ target/sparc/translate.c | 9 +++++++++ target/sparc/vis_helper.c | 40 +++++++++++++++++++++++++++++++++++++++ 4 files changed, 58 insertions(+) diff --git a/target/sparc/helper.h b/target/sparc/helper.h index f1b84dc9b3..ed295c01e0 100644 --- a/target/sparc/helper.h +++ b/target/sparc/helper.h @@ -128,6 +128,10 @@ VIS_CMPHELPER(cmpgt) VIS_CMPHELPER(cmpeq) VIS_CMPHELPER(cmple) VIS_CMPHELPER(cmpne) +DEF_HELPER_FLAGS_2(fcmpeq8, TCG_CALL_NO_RWG_SE, i64, i64, i64) +DEF_HELPER_FLAGS_2(fcmpne8, TCG_CALL_NO_RWG_SE, i64, i64, i64) +DEF_HELPER_FLAGS_2(fcmpule8, TCG_CALL_NO_RWG_SE, i64, i64, i64) +DEF_HELPER_FLAGS_2(fcmpugt8, TCG_CALL_NO_RWG_SE, i64, i64, i64) #endif #undef VIS_HELPER #undef VIS_CMPHELPER diff --git a/target/sparc/insns.decode b/target/sparc/insns.decode index b6553362eb..295fc36128 100644 --- a/target/sparc/insns.decode +++ b/target/sparc/insns.decode @@ -408,6 +408,11 @@ FCMPEq 10 000 cc:2 110101 ..... 0 0101 0111 ..... \ FPCMPGT32 10 ..... 110110 ..... 0 0010 1100 ..... @r_d_d FPCMPEQ32 10 ..... 110110 ..... 0 0010 1110 ..... @r_d_d + FPCMPULE8 10 ..... 110110 ..... 1 0010 0000 ..... @r_d_d + FPCMPUGT8 10 ..... 110110 ..... 1 0010 1000 ..... @r_d_d + FPCMPNE8 10 ..... 110110 ..... 1 0010 0010 ..... @r_d_d + FPCMPEQ8 10 ..... 110110 ..... 1 0010 1010 ..... @r_d_d + FMUL8x16 10 ..... 110110 ..... 0 0011 0001 ..... @d_r_d FMUL8x16AU 10 ..... 110110 ..... 0 0011 0011 ..... @d_r_r FMUL8x16AL 10 ..... 110110 ..... 0 0011 0101 ..... @d_r_r diff --git a/target/sparc/translate.c b/target/sparc/translate.c index 7a5e8e0a9a..1da40f6db2 100644 --- a/target/sparc/translate.c +++ b/target/sparc/translate.c @@ -64,14 +64,18 @@ # define gen_helper_cmask8 ({ qemu_build_not_reached(); NULL; }) # define gen_helper_cmask16 ({ qemu_build_not_reached(); NULL; }) # define gen_helper_cmask32 ({ qemu_build_not_reached(); NULL; }) +# define gen_helper_fcmpeq8 ({ qemu_build_not_reached(); NULL; }) # define gen_helper_fcmpeq16 ({ qemu_build_not_reached(); NULL; }) # define gen_helper_fcmpeq32 ({ qemu_build_not_reached(); NULL; }) # define gen_helper_fcmpgt16 ({ qemu_build_not_reached(); NULL; }) # define gen_helper_fcmpgt32 ({ qemu_build_not_reached(); NULL; }) # define gen_helper_fcmple16 ({ qemu_build_not_reached(); NULL; }) # define gen_helper_fcmple32 ({ qemu_build_not_reached(); NULL; }) +# define gen_helper_fcmpne8 ({ qemu_build_not_reached(); NULL; }) # define gen_helper_fcmpne16 ({ qemu_build_not_reached(); NULL; }) # define gen_helper_fcmpne32 ({ qemu_build_not_reached(); NULL; }) +# define gen_helper_fcmpule8 ({ qemu_build_not_reached(); NULL; }) +# define gen_helper_fcmpugt8 ({ qemu_build_not_reached(); NULL; }) # define gen_helper_fdtox ({ qemu_build_not_reached(); NULL; }) # define gen_helper_fexpand ({ qemu_build_not_reached(); NULL; }) # define gen_helper_fmul8sux16 ({ qemu_build_not_reached(); NULL; }) @@ -5025,6 +5029,11 @@ TRANS(FPCMPNE32, VIS1, do_rdd, a, gen_helper_fcmpne32) TRANS(FPCMPGT32, VIS1, do_rdd, a, gen_helper_fcmpgt32) TRANS(FPCMPEQ32, VIS1, do_rdd, a, gen_helper_fcmpeq32) +TRANS(FPCMPEQ8, VIS3B, do_rdd, a, gen_helper_fcmpeq8) +TRANS(FPCMPNE8, VIS3B, do_rdd, a, gen_helper_fcmpne8) +TRANS(FPCMPULE8, VIS3B, do_rdd, a, gen_helper_fcmpule8) +TRANS(FPCMPUGT8, VIS3B, do_rdd, a, gen_helper_fcmpugt8) + static bool do_env_ddd(DisasContext *dc, arg_r_r_r *a, void (*func)(TCGv_i64, TCGv_env, TCGv_i64, TCGv_i64)) { diff --git a/target/sparc/vis_helper.c b/target/sparc/vis_helper.c index 6ef36755c3..5a5da17132 100644 --- a/target/sparc/vis_helper.c +++ b/target/sparc/vis_helper.c @@ -238,6 +238,46 @@ VIS_CMPHELPER(helper_fcmpeq, FCMPEQ) VIS_CMPHELPER(helper_fcmple, FCMPLE) VIS_CMPHELPER(helper_fcmpne, FCMPNE) +uint64_t helper_fcmpeq8(uint64_t src1, uint64_t src2) +{ + uint64_t a = src1 ^ src2; + uint64_t m = 0x7f7f7f7f7f7f7f7fULL; + uint64_t c = ~(((a & m) + m) | a | m); + + /* a.......b.......c.......d.......e.......f.......g.......h....... */ + c |= c << 7; + /* ab......bc......cd......de......ef......fg......gh......h....... */ + c |= c << 14; + /* abcd....bcde....cdef....defg....efgh....fgh.....gh......h....... */ + c |= c << 28; + /* abcdefghbcdefgh.cdefgh..defgh...efgh....fgh.....gh......h....... */ + return c >> 56; +} + +uint64_t helper_fcmpne8(uint64_t src1, uint64_t src2) +{ + return helper_fcmpeq8(src1, src2) ^ 0xff; +} + +uint64_t helper_fcmpule8(uint64_t src1, uint64_t src2) +{ + VIS64 s1, s2; + uint64_t r = 0; + + s1.ll = src1; + s2.ll = src2; + + for (int i = 0; i < 8; ++i) { + r |= (s1.VIS_B64(i) <= s2.VIS_B64(i)) << i; + } + return r; +} + +uint64_t helper_fcmpugt8(uint64_t src1, uint64_t src2) +{ + return helper_fcmpule8(src1, src2) ^ 0xff; +} + uint64_t helper_pdist(uint64_t sum, uint64_t src1, uint64_t src2) { int i;