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[114.34.229.221]) by smtp.gmail.com with ESMTPSA id c125sm22301879pfa.119.2020.07.22.02.22.07 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 22 Jul 2020 02:22:09 -0700 (PDT) From: frank.chang@sifive.com To: qemu-devel@nongnu.org, qemu-riscv@nongnu.org Subject: [RFC v2 65/76] target/riscv: rvv-0.9: remove widening saturating scaled multiply-add Date: Wed, 22 Jul 2020 17:16:28 +0800 Message-Id: <20200722091641.8834-66-frank.chang@sifive.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200722091641.8834-1-frank.chang@sifive.com> References: <20200722091641.8834-1-frank.chang@sifive.com> Received-SPF: pass client-ip=2607:f8b0:4864:20::436; envelope-from=frank.chang@sifive.com; helo=mail-pf1-x436.google.com X-detected-operating-system: by eggs.gnu.org: No matching host in p0f cache. That's all we know. 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, URIBL_BLOCKED=0.001 autolearn=unavailable autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Sagar Karandikar , Frank Chang , Bastian Koppelmann , Richard Henderson , Alistair Francis , Palmer Dabbelt , LIU Zhiwei Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" From: Frank Chang Signed-off-by: Frank Chang Reviewed-by: Richard Henderson --- target/riscv/helper.h | 22 --- target/riscv/insn32.decode | 7 - target/riscv/insn_trans/trans_rvv.inc.c | 9 -- target/riscv/vector_helper.c | 205 ------------------------ 4 files changed, 243 deletions(-) diff --git a/target/riscv/helper.h b/target/riscv/helper.h index cfe9baa253..d7f3714ba6 100644 --- a/target/riscv/helper.h +++ b/target/riscv/helper.h @@ -729,28 +729,6 @@ DEF_HELPER_6(vsmul_vx_h, void, ptr, ptr, tl, ptr, env, i32) DEF_HELPER_6(vsmul_vx_w, void, ptr, ptr, tl, ptr, env, i32) DEF_HELPER_6(vsmul_vx_d, void, ptr, ptr, tl, ptr, env, i32) -DEF_HELPER_6(vwsmaccu_vv_b, void, ptr, ptr, ptr, ptr, env, i32) -DEF_HELPER_6(vwsmaccu_vv_h, void, ptr, ptr, ptr, ptr, env, i32) -DEF_HELPER_6(vwsmaccu_vv_w, void, ptr, ptr, ptr, ptr, env, i32) -DEF_HELPER_6(vwsmacc_vv_b, void, ptr, ptr, ptr, ptr, env, i32) -DEF_HELPER_6(vwsmacc_vv_h, void, ptr, ptr, ptr, ptr, env, i32) -DEF_HELPER_6(vwsmacc_vv_w, void, ptr, ptr, ptr, ptr, env, i32) -DEF_HELPER_6(vwsmaccsu_vv_b, void, ptr, ptr, ptr, ptr, env, i32) -DEF_HELPER_6(vwsmaccsu_vv_h, void, ptr, ptr, ptr, ptr, env, i32) -DEF_HELPER_6(vwsmaccsu_vv_w, void, ptr, ptr, ptr, ptr, env, i32) -DEF_HELPER_6(vwsmaccu_vx_b, void, ptr, ptr, tl, ptr, env, i32) -DEF_HELPER_6(vwsmaccu_vx_h, void, ptr, ptr, tl, ptr, env, i32) -DEF_HELPER_6(vwsmaccu_vx_w, void, ptr, ptr, tl, ptr, env, i32) -DEF_HELPER_6(vwsmacc_vx_b, void, ptr, ptr, tl, ptr, env, i32) -DEF_HELPER_6(vwsmacc_vx_h, void, ptr, ptr, tl, ptr, env, i32) -DEF_HELPER_6(vwsmacc_vx_w, void, ptr, ptr, tl, ptr, env, i32) -DEF_HELPER_6(vwsmaccsu_vx_b, void, ptr, ptr, tl, ptr, env, i32) -DEF_HELPER_6(vwsmaccsu_vx_h, void, ptr, ptr, tl, ptr, env, i32) -DEF_HELPER_6(vwsmaccsu_vx_w, void, ptr, ptr, tl, ptr, env, i32) -DEF_HELPER_6(vwsmaccus_vx_b, void, ptr, ptr, tl, ptr, env, i32) -DEF_HELPER_6(vwsmaccus_vx_h, void, ptr, ptr, tl, ptr, env, i32) -DEF_HELPER_6(vwsmaccus_vx_w, void, ptr, ptr, tl, ptr, env, i32) - DEF_HELPER_6(vssrl_vv_b, void, ptr, ptr, ptr, ptr, env, i32) DEF_HELPER_6(vssrl_vv_h, void, ptr, ptr, ptr, ptr, env, i32) DEF_HELPER_6(vssrl_vv_w, void, ptr, ptr, ptr, ptr, env, i32) diff --git a/target/riscv/insn32.decode b/target/riscv/insn32.decode index e32946b1f5..2be673c2c7 100644 --- a/target/riscv/insn32.decode +++ b/target/riscv/insn32.decode @@ -456,13 +456,6 @@ vasubu_vv 001010 . ..... ..... 010 ..... 1010111 @r_vm vasubu_vx 001010 . ..... ..... 110 ..... 1010111 @r_vm vsmul_vv 100111 . ..... ..... 000 ..... 1010111 @r_vm vsmul_vx 100111 . ..... ..... 100 ..... 1010111 @r_vm -vwsmaccu_vv 111100 . ..... ..... 000 ..... 1010111 @r_vm -vwsmaccu_vx 111100 . ..... ..... 100 ..... 1010111 @r_vm -vwsmacc_vv 111101 . ..... ..... 000 ..... 1010111 @r_vm -vwsmacc_vx 111101 . ..... ..... 100 ..... 1010111 @r_vm -vwsmaccsu_vv 111110 . ..... ..... 000 ..... 1010111 @r_vm -vwsmaccsu_vx 111110 . ..... ..... 100 ..... 1010111 @r_vm -vwsmaccus_vx 111111 . ..... ..... 100 ..... 1010111 @r_vm vssrl_vv 101010 . ..... ..... 000 ..... 1010111 @r_vm vssrl_vx 101010 . ..... ..... 100 ..... 1010111 @r_vm vssrl_vi 101010 . ..... ..... 011 ..... 1010111 @r_vm diff --git a/target/riscv/insn_trans/trans_rvv.inc.c b/target/riscv/insn_trans/trans_rvv.inc.c index fb8478a456..9480c64971 100644 --- a/target/riscv/insn_trans/trans_rvv.inc.c +++ b/target/riscv/insn_trans/trans_rvv.inc.c @@ -2391,15 +2391,6 @@ GEN_OPIVX_TRANS(vasubu_vx, opivx_check) GEN_OPIVV_TRANS(vsmul_vv, opivv_check) GEN_OPIVX_TRANS(vsmul_vx, opivx_check) -/* Vector Widening Saturating Scaled Multiply-Add */ -GEN_OPIVV_WIDEN_TRANS(vwsmaccu_vv, opivv_widen_check) -GEN_OPIVV_WIDEN_TRANS(vwsmacc_vv, opivv_widen_check) -GEN_OPIVV_WIDEN_TRANS(vwsmaccsu_vv, opivv_widen_check) -GEN_OPIVX_WIDEN_TRANS(vwsmaccu_vx) -GEN_OPIVX_WIDEN_TRANS(vwsmacc_vx) -GEN_OPIVX_WIDEN_TRANS(vwsmaccsu_vx) -GEN_OPIVX_WIDEN_TRANS(vwsmaccus_vx) - /* Vector Single-Width Scaling Shift Instructions */ GEN_OPIVV_TRANS(vssrl_vv, opivv_check) GEN_OPIVV_TRANS(vssra_vv, opivv_check) diff --git a/target/riscv/vector_helper.c b/target/riscv/vector_helper.c index 2b2b1f521f..c5fc61bf76 100644 --- a/target/riscv/vector_helper.c +++ b/target/riscv/vector_helper.c @@ -2923,211 +2923,6 @@ GEN_VEXT_VX_RM(vsmul_vx_h, 2, 2, clearh) GEN_VEXT_VX_RM(vsmul_vx_w, 4, 4, clearl) GEN_VEXT_VX_RM(vsmul_vx_d, 8, 8, clearq) -/* Vector Widening Saturating Scaled Multiply-Add */ -static inline uint16_t -vwsmaccu8(CPURISCVState *env, int vxrm, uint8_t a, uint8_t b, - uint16_t c) -{ - uint8_t round; - uint16_t res = (uint16_t)a * b; - - round = get_round(vxrm, res, 4); - res = (res >> 4) + round; - return saddu16(env, vxrm, c, res); -} - -static inline uint32_t -vwsmaccu16(CPURISCVState *env, int vxrm, uint16_t a, uint16_t b, - uint32_t c) -{ - uint8_t round; - uint32_t res = (uint32_t)a * b; - - round = get_round(vxrm, res, 8); - res = (res >> 8) + round; - return saddu32(env, vxrm, c, res); -} - -static inline uint64_t -vwsmaccu32(CPURISCVState *env, int vxrm, uint32_t a, uint32_t b, - uint64_t c) -{ - uint8_t round; - uint64_t res = (uint64_t)a * b; - - round = get_round(vxrm, res, 16); - res = (res >> 16) + round; - return saddu64(env, vxrm, c, res); -} - -#define OPIVV3_RM(NAME, TD, T1, T2, TX1, TX2, HD, HS1, HS2, OP) \ -static inline void \ -do_##NAME(void *vd, void *vs1, void *vs2, int i, \ - CPURISCVState *env, int vxrm) \ -{ \ - TX1 s1 = *((T1 *)vs1 + HS1(i)); \ - TX2 s2 = *((T2 *)vs2 + HS2(i)); \ - TD d = *((TD *)vd + HD(i)); \ - *((TD *)vd + HD(i)) = OP(env, vxrm, s2, s1, d); \ -} - -RVVCALL(OPIVV3_RM, vwsmaccu_vv_b, WOP_UUU_B, H2, H1, H1, vwsmaccu8) -RVVCALL(OPIVV3_RM, vwsmaccu_vv_h, WOP_UUU_H, H4, H2, H2, vwsmaccu16) -RVVCALL(OPIVV3_RM, vwsmaccu_vv_w, WOP_UUU_W, H8, H4, H4, vwsmaccu32) -GEN_VEXT_VV_RM(vwsmaccu_vv_b, 1, 2, clearh) -GEN_VEXT_VV_RM(vwsmaccu_vv_h, 2, 4, clearl) -GEN_VEXT_VV_RM(vwsmaccu_vv_w, 4, 8, clearq) - -#define OPIVX3_RM(NAME, TD, T1, T2, TX1, TX2, HD, HS2, OP) \ -static inline void \ -do_##NAME(void *vd, target_long s1, void *vs2, int i, \ - CPURISCVState *env, int vxrm) \ -{ \ - TX2 s2 = *((T2 *)vs2 + HS2(i)); \ - TD d = *((TD *)vd + HD(i)); \ - *((TD *)vd + HD(i)) = OP(env, vxrm, s2, (TX1)(T1)s1, d); \ -} - -RVVCALL(OPIVX3_RM, vwsmaccu_vx_b, WOP_UUU_B, H2, H1, vwsmaccu8) -RVVCALL(OPIVX3_RM, vwsmaccu_vx_h, WOP_UUU_H, H4, H2, vwsmaccu16) -RVVCALL(OPIVX3_RM, vwsmaccu_vx_w, WOP_UUU_W, H8, H4, vwsmaccu32) -GEN_VEXT_VX_RM(vwsmaccu_vx_b, 1, 2, clearh) -GEN_VEXT_VX_RM(vwsmaccu_vx_h, 2, 4, clearl) -GEN_VEXT_VX_RM(vwsmaccu_vx_w, 4, 8, clearq) - -static inline int16_t -vwsmacc8(CPURISCVState *env, int vxrm, int8_t a, int8_t b, int16_t c) -{ - uint8_t round; - int16_t res = (int16_t)a * b; - - round = get_round(vxrm, res, 4); - res = (res >> 4) + round; - return sadd16(env, vxrm, c, res); -} - -static inline int32_t -vwsmacc16(CPURISCVState *env, int vxrm, int16_t a, int16_t b, int32_t c) -{ - uint8_t round; - int32_t res = (int32_t)a * b; - - round = get_round(vxrm, res, 8); - res = (res >> 8) + round; - return sadd32(env, vxrm, c, res); - -} - -static inline int64_t -vwsmacc32(CPURISCVState *env, int vxrm, int32_t a, int32_t b, int64_t c) -{ - uint8_t round; - int64_t res = (int64_t)a * b; - - round = get_round(vxrm, res, 16); - res = (res >> 16) + round; - return sadd64(env, vxrm, c, res); -} - -RVVCALL(OPIVV3_RM, vwsmacc_vv_b, WOP_SSS_B, H2, H1, H1, vwsmacc8) -RVVCALL(OPIVV3_RM, vwsmacc_vv_h, WOP_SSS_H, H4, H2, H2, vwsmacc16) -RVVCALL(OPIVV3_RM, vwsmacc_vv_w, WOP_SSS_W, H8, H4, H4, vwsmacc32) -GEN_VEXT_VV_RM(vwsmacc_vv_b, 1, 2, clearh) -GEN_VEXT_VV_RM(vwsmacc_vv_h, 2, 4, clearl) -GEN_VEXT_VV_RM(vwsmacc_vv_w, 4, 8, clearq) -RVVCALL(OPIVX3_RM, vwsmacc_vx_b, WOP_SSS_B, H2, H1, vwsmacc8) -RVVCALL(OPIVX3_RM, vwsmacc_vx_h, WOP_SSS_H, H4, H2, vwsmacc16) -RVVCALL(OPIVX3_RM, vwsmacc_vx_w, WOP_SSS_W, H8, H4, vwsmacc32) -GEN_VEXT_VX_RM(vwsmacc_vx_b, 1, 2, clearh) -GEN_VEXT_VX_RM(vwsmacc_vx_h, 2, 4, clearl) -GEN_VEXT_VX_RM(vwsmacc_vx_w, 4, 8, clearq) - -static inline int16_t -vwsmaccsu8(CPURISCVState *env, int vxrm, uint8_t a, int8_t b, int16_t c) -{ - uint8_t round; - int16_t res = a * (int16_t)b; - - round = get_round(vxrm, res, 4); - res = (res >> 4) + round; - return ssub16(env, vxrm, c, res); -} - -static inline int32_t -vwsmaccsu16(CPURISCVState *env, int vxrm, uint16_t a, int16_t b, uint32_t c) -{ - uint8_t round; - int32_t res = a * (int32_t)b; - - round = get_round(vxrm, res, 8); - res = (res >> 8) + round; - return ssub32(env, vxrm, c, res); -} - -static inline int64_t -vwsmaccsu32(CPURISCVState *env, int vxrm, uint32_t a, int32_t b, int64_t c) -{ - uint8_t round; - int64_t res = a * (int64_t)b; - - round = get_round(vxrm, res, 16); - res = (res >> 16) + round; - return ssub64(env, vxrm, c, res); -} - -RVVCALL(OPIVV3_RM, vwsmaccsu_vv_b, WOP_SSU_B, H2, H1, H1, vwsmaccsu8) -RVVCALL(OPIVV3_RM, vwsmaccsu_vv_h, WOP_SSU_H, H4, H2, H2, vwsmaccsu16) -RVVCALL(OPIVV3_RM, vwsmaccsu_vv_w, WOP_SSU_W, H8, H4, H4, vwsmaccsu32) -GEN_VEXT_VV_RM(vwsmaccsu_vv_b, 1, 2, clearh) -GEN_VEXT_VV_RM(vwsmaccsu_vv_h, 2, 4, clearl) -GEN_VEXT_VV_RM(vwsmaccsu_vv_w, 4, 8, clearq) -RVVCALL(OPIVX3_RM, vwsmaccsu_vx_b, WOP_SSU_B, H2, H1, vwsmaccsu8) -RVVCALL(OPIVX3_RM, vwsmaccsu_vx_h, WOP_SSU_H, H4, H2, vwsmaccsu16) -RVVCALL(OPIVX3_RM, vwsmaccsu_vx_w, WOP_SSU_W, H8, H4, vwsmaccsu32) -GEN_VEXT_VX_RM(vwsmaccsu_vx_b, 1, 2, clearh) -GEN_VEXT_VX_RM(vwsmaccsu_vx_h, 2, 4, clearl) -GEN_VEXT_VX_RM(vwsmaccsu_vx_w, 4, 8, clearq) - -static inline int16_t -vwsmaccus8(CPURISCVState *env, int vxrm, int8_t a, uint8_t b, int16_t c) -{ - uint8_t round; - int16_t res = (int16_t)a * b; - - round = get_round(vxrm, res, 4); - res = (res >> 4) + round; - return ssub16(env, vxrm, c, res); -} - -static inline int32_t -vwsmaccus16(CPURISCVState *env, int vxrm, int16_t a, uint16_t b, int32_t c) -{ - uint8_t round; - int32_t res = (int32_t)a * b; - - round = get_round(vxrm, res, 8); - res = (res >> 8) + round; - return ssub32(env, vxrm, c, res); -} - -static inline int64_t -vwsmaccus32(CPURISCVState *env, int vxrm, int32_t a, uint32_t b, int64_t c) -{ - uint8_t round; - int64_t res = (int64_t)a * b; - - round = get_round(vxrm, res, 16); - res = (res >> 16) + round; - return ssub64(env, vxrm, c, res); -} - -RVVCALL(OPIVX3_RM, vwsmaccus_vx_b, WOP_SUS_B, H2, H1, vwsmaccus8) -RVVCALL(OPIVX3_RM, vwsmaccus_vx_h, WOP_SUS_H, H4, H2, vwsmaccus16) -RVVCALL(OPIVX3_RM, vwsmaccus_vx_w, WOP_SUS_W, H8, H4, vwsmaccus32) -GEN_VEXT_VX_RM(vwsmaccus_vx_b, 1, 2, clearh) -GEN_VEXT_VX_RM(vwsmaccus_vx_h, 2, 4, clearl) -GEN_VEXT_VX_RM(vwsmaccus_vx_w, 4, 8, clearq) - /* Vector Single-Width Scaling Shift Instructions */ static inline uint8_t vssrl8(CPURISCVState *env, int vxrm, uint8_t a, uint8_t b)