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[2001:44b8:2176:c800:aef:59aa:1faf:7e61]) by smtp.gmail.com with ESMTPSA id u13-20020a170902e80d00b001869f2120a6sm983802plg.108.2022.11.10.23.45.45 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 10 Nov 2022 23:45:46 -0800 (PST) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH for-8.0 v3 42/45] tcg: Add basic data movement for TCGv_i128 Date: Fri, 11 Nov 2022 17:40:58 +1000 Message-Id: <20221111074101.2069454-43-richard.henderson@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20221111074101.2069454-1-richard.henderson@linaro.org> References: <20221111074101.2069454-1-richard.henderson@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::62f; envelope-from=richard.henderson@linaro.org; helo=mail-pl1-x62f.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 Add code generation functions for data movement between TCGv_i128 (mov) and to/from TCGv_i64 (concat, extract). Signed-off-by: Richard Henderson --- include/tcg/tcg-op.h | 4 ++++ tcg/tcg-internal.h | 13 +++++++++++++ tcg/tcg-op.c | 20 ++++++++++++++++++++ 3 files changed, 37 insertions(+) diff --git a/include/tcg/tcg-op.h b/include/tcg/tcg-op.h index 79b1cf786f..c4276767d1 100644 --- a/include/tcg/tcg-op.h +++ b/include/tcg/tcg-op.h @@ -712,6 +712,10 @@ void tcg_gen_extrh_i64_i32(TCGv_i32 ret, TCGv_i64 arg); void tcg_gen_extr_i64_i32(TCGv_i32 lo, TCGv_i32 hi, TCGv_i64 arg); void tcg_gen_extr32_i64(TCGv_i64 lo, TCGv_i64 hi, TCGv_i64 arg); +void tcg_gen_mov_i128(TCGv_i128 dst, TCGv_i128 src); +void tcg_gen_extr_i128_i64(TCGv_i64 lo, TCGv_i64 hi, TCGv_i128 arg); +void tcg_gen_concat_i64_i128(TCGv_i128 ret, TCGv_i64 lo, TCGv_i64 hi); + static inline void tcg_gen_concat32_i64(TCGv_i64 ret, TCGv_i64 lo, TCGv_i64 hi) { tcg_gen_deposit_i64(ret, lo, hi, 32, 32); diff --git a/tcg/tcg-internal.h b/tcg/tcg-internal.h index 33f1d8b411..e542a4e9b7 100644 --- a/tcg/tcg-internal.h +++ b/tcg/tcg-internal.h @@ -117,4 +117,17 @@ extern TCGv_i32 TCGV_LOW(TCGv_i64) QEMU_ERROR("32-bit code path is reachable"); extern TCGv_i32 TCGV_HIGH(TCGv_i64) QEMU_ERROR("32-bit code path is reachable"); #endif +static inline TCGv_i64 TCGV128_LOW(TCGv_i128 t) +{ + /* For 32-bit, offset by 2, which may then have TCGV_{LOW,HIGH} applied. */ + int o = HOST_BIG_ENDIAN ? 64 / TCG_TARGET_REG_BITS : 0; + return temp_tcgv_i64(tcgv_i128_temp(t) + o); +} + +static inline TCGv_i64 TCGV128_HIGH(TCGv_i128 t) +{ + int o = HOST_BIG_ENDIAN ? 0 : 64 / TCG_TARGET_REG_BITS; + return temp_tcgv_i64(tcgv_i128_temp(t) + o); +} + #endif /* TCG_INTERNAL_H */ diff --git a/tcg/tcg-op.c b/tcg/tcg-op.c index cd1cd4e736..658cee7d6c 100644 --- a/tcg/tcg-op.c +++ b/tcg/tcg-op.c @@ -2745,6 +2745,26 @@ void tcg_gen_extr32_i64(TCGv_i64 lo, TCGv_i64 hi, TCGv_i64 arg) tcg_gen_shri_i64(hi, arg, 32); } +void tcg_gen_extr_i128_i64(TCGv_i64 lo, TCGv_i64 hi, TCGv_i128 arg) +{ + tcg_gen_mov_i64(lo, TCGV128_LOW(arg)); + tcg_gen_mov_i64(hi, TCGV128_HIGH(arg)); +} + +void tcg_gen_concat_i64_i128(TCGv_i128 ret, TCGv_i64 lo, TCGv_i64 hi) +{ + tcg_gen_mov_i64(TCGV128_LOW(ret), lo); + tcg_gen_mov_i64(TCGV128_HIGH(ret), hi); +} + +void tcg_gen_mov_i128(TCGv_i128 dst, TCGv_i128 src) +{ + if (dst != src) { + tcg_gen_mov_i64(TCGV128_LOW(dst), TCGV128_LOW(src)); + tcg_gen_mov_i64(TCGV128_HIGH(dst), TCGV128_HIGH(src)); + } +} + /* QEMU specific operations. */ void tcg_gen_exit_tb(const TranslationBlock *tb, unsigned idx)