Message ID | 20180723201748.25573-77-mdroth@linux.vnet.ibm.com |
---|---|
State | New |
Headers | show
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[76.251.165.188]) by smtp.gmail.com with ESMTPSA id v5-v6sm1203124oix.36.2018.07.23.13.21.18 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Mon, 23 Jul 2018 13:21:19 -0700 (PDT) From: Michael Roth <mdroth@linux.vnet.ibm.com> To: qemu-devel@nongnu.org Date: Mon, 23 Jul 2018 15:17:25 -0500 Message-Id: <20180723201748.25573-77-mdroth@linux.vnet.ibm.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20180723201748.25573-1-mdroth@linux.vnet.ibm.com> References: <20180723201748.25573-1-mdroth@linux.vnet.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2607:f8b0:4003:c06::230 Subject: [Qemu-devel] [PATCH 76/99] target/arm: Implement FMOV (general) for fp16 X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: <qemu-devel.nongnu.org> List-Unsubscribe: <https://lists.nongnu.org/mailman/options/qemu-devel>, <mailto:qemu-devel-request@nongnu.org?subject=unsubscribe> List-Archive: <http://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>, <mailto:qemu-devel-request@nongnu.org?subject=subscribe> Cc: Peter Maydell <peter.maydell@linaro.org>, Richard Henderson <richard.henderson@linaro.org>, qemu-stable@nongnu.org Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" <qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org> |
Series |
Patch Round-up for stable 2.12.1, freeze on 2018-07-30
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expand
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diff --git a/target/arm/translate-a64.c b/target/arm/translate-a64.c index 639cd95772..b05f9bfe91 100644 --- a/target/arm/translate-a64.c +++ b/target/arm/translate-a64.c @@ -5457,6 +5457,15 @@ static void handle_fmov(DisasContext *s, int rd, int rn, int type, bool itof) tcg_gen_st_i64(tcg_rn, cpu_env, fp_reg_hi_offset(s, rd)); clear_vec_high(s, true, rd); break; + case 3: + /* 16 bit */ + tmp = tcg_temp_new_i64(); + tcg_gen_ext16u_i64(tmp, tcg_rn); + write_fp_dreg(s, rd, tmp); + tcg_temp_free_i64(tmp); + break; + default: + g_assert_not_reached(); } } else { TCGv_i64 tcg_rd = cpu_reg(s, rd); @@ -5474,6 +5483,12 @@ static void handle_fmov(DisasContext *s, int rd, int rn, int type, bool itof) /* 64 bits from top half */ tcg_gen_ld_i64(tcg_rd, cpu_env, fp_reg_hi_offset(s, rn)); break; + case 3: + /* 16 bit */ + tcg_gen_ld16u_i64(tcg_rd, cpu_env, fp_reg_offset(s, rn, MO_16)); + break; + default: + g_assert_not_reached(); } } } @@ -5513,6 +5528,12 @@ static void disas_fp_int_conv(DisasContext *s, uint32_t insn) case 0xa: /* 64 bit */ case 0xd: /* 64 bit to top half of quad */ break; + case 0x6: /* 16-bit float, 32-bit int */ + case 0xe: /* 16-bit float, 64-bit int */ + if (arm_dc_feature(s, ARM_FEATURE_V8_FP16)) { + break; + } + /* fallthru */ default: /* all other sf/type/rmode combinations are invalid */ unallocated_encoding(s);