[PULL,14/63] target/riscv: vector integer add-with-carry / subtract-with-borrow instructions

Message ID	20200626214410.3613258-15-alistair.francis@wdc.com (mailing list archive)
State	New, archived
Headers	show Return-Path: <SRS0=nVRr=AH=nongnu.org=qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@kernel.org> DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org B4DF42089D IronPort-SDR: 9/NoZYm/gE4EkTZktHCHGFo69HMeooys8eI3CrYcJle2hYbBhQ3+/wsOKXNPZNdYNJ6Jo4bzBo 5sAAiDTh51u6DHpZvN3sozX5/AczSiJeHAuZWBtoconhcUzKhwtz170dbXqk8HXLgFYfOOAQQt M8rUWNhP6+HVwiknOTpUFtzscEOyXrkaeQpx2taorOaQYAxUuW5TZv29Vex1aVaAIvJPi39RlO 5LlRrsvSo61Vtfm7ne0vzJfmGgZxNe+pnAXADqJvfww81b2KjybMXuzOvmtfTpd4AZGccncyYP zZQ= IronPort-SDR: 3eCiVn0sO0Ev9KJ7z5sodAo506eBWAO5P+idSS7AFOnthxghV2V5Dl3lQR0HTKGucocAaVobgB M2O8kNxUMW1/VmQLEw5i4eiNRhJrgjpYM= IronPort-SDR: A/XDFyr03xqcNmrpXdooj00nbHRuu5xsI26K+mHaT6SyVO4OeD4FpQrd+hSeWGLIsqSIMn+VFT OVUFj1WR15PA== WDCIronportException: Internal From: Alistair Francis <alistair.francis@wdc.com> To: peter.maydell@linaro.org, qemu-devel@nongnu.org Subject: [PULL 14/63] target/riscv: vector integer add-with-carry / subtract-with-borrow instructions Date: Fri, 26 Jun 2020 14:43:21 -0700 Message-Id: <20200626214410.3613258-15-alistair.francis@wdc.com> In-Reply-To: <20200626214410.3613258-1-alistair.francis@wdc.com> References: <20200626214410.3613258-1-alistair.francis@wdc.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=68.232.141.245; envelope-from=prvs=439617756=alistair.francis@wdc.com; helo=esa1.hgst.iphmx.com Precedence: list Cc: alistair23@gmail.com, Richard Henderson <richard.henderson@linaro.org>, Alistair Francis <alistair.francis@wdc.com>, LIU Zhiwei <zhiwei_liu@c-sky.com> Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" <qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org>
Series	[PULL,01/63] riscv: plic: Honour source priorities \| expand [PULL,01/63] riscv: plic: Honour source priorities [PULL,02/63] riscv: plic: Add a couple of mising sifive_plic_update calls [PULL,03/63] target/riscv: add vector extension field in CPURISCVState [PULL,04/63] target/riscv: implementation-defined constant parameters [PULL,05/63] target/riscv: support vector extension csr [PULL,06/63] target/riscv: add vector configure instruction [PULL,07/63] target/riscv: add an internals.h header [PULL,08/63] target/riscv: add vector stride load and store instructions [PULL,09/63] target/riscv: add vector index load and store instructions [PULL,10/63] target/riscv: add fault-only-first unit stride load [PULL,11/63] target/riscv: add vector amo operations [PULL,12/63] target/riscv: vector single-width integer add and subtract [PULL,13/63] target/riscv: vector widening integer add and subtract [PULL,14/63] target/riscv: vector integer add-with-carry / subtract-with-borrow instructions [PULL,15/63] target/riscv: vector bitwise logical instructions [PULL,16/63] target/riscv: vector single-width bit shift instructions [PULL,17/63] target/riscv: vector narrowing integer right shift instructions [PULL,18/63] target/riscv: vector integer comparison instructions [PULL,19/63] target/riscv: vector integer min/max instructions [PULL,20/63] target/riscv: vector single-width integer multiply instructions [PULL,21/63] target/riscv: vector integer divide instructions [PULL,22/63] target/riscv: vector widening integer multiply instructions [PULL,23/63] target/riscv: vector single-width integer multiply-add instructions [PULL,24/63] target/riscv: vector widening integer multiply-add instructions [PULL,25/63] target/riscv: vector integer merge and move instructions [PULL,26/63] target/riscv: vector single-width saturating add and subtract [PULL,27/63] target/riscv: vector single-width averaging add and subtract [PULL,28/63] target/riscv: vector single-width fractional multiply with rounding and saturation [PULL,29/63] target/riscv: vector widening saturating scaled multiply-add [PULL,30/63] target/riscv: vector single-width scaling shift instructions [PULL,31/63] target/riscv: vector narrowing fixed-point clip instructions [PULL,32/63] target/riscv: vector single-width floating-point add/subtract instructions [PULL,33/63] target/riscv: vector widening floating-point add/subtract instructions [PULL,34/63] target/riscv: vector single-width floating-point multiply/divide instructions [PULL,35/63] target/riscv: vector widening floating-point multiply [PULL,36/63] target/riscv: vector single-width floating-point fused multiply-add instructions [PULL,37/63] target/riscv: vector widening floating-point fused multiply-add instructions [PULL,38/63] target/riscv: vector floating-point square-root instruction [PULL,39/63] target/riscv: vector floating-point min/max instructions [PULL,40/63] target/riscv: vector floating-point sign-injection instructions [PULL,41/63] target/riscv: vector floating-point compare instructions [PULL,42/63] target/riscv: vector floating-point classify instructions [PULL,43/63] target/riscv: vector floating-point merge instructions [PULL,44/63] target/riscv: vector floating-point/integer type-convert instructions [PULL,45/63] target/riscv: widening floating-point/integer type-convert instructions [PULL,46/63] target/riscv: narrowing floating-point/integer type-convert instructions [PULL,47/63] target/riscv: vector single-width integer reduction instructions [PULL,48/63] target/riscv: vector wideing integer reduction instructions [PULL,49/63] target/riscv: vector single-width floating-point reduction instructions [PULL,50/63] target/riscv: vector widening floating-point reduction instructions [PULL,51/63] target/riscv: vector mask-register logical instructions [PULL,52/63] target/riscv: vector mask population count vmpopc [PULL,53/63] target/riscv: vmfirst find-first-set mask bit [PULL,54/63] target/riscv: set-X-first mask bit [PULL,55/63] target/riscv: vector iota instruction [PULL,56/63] target/riscv: vector element index instruction [PULL,57/63] target/riscv: integer extract instruction [PULL,58/63] target/riscv: integer scalar move instruction [PULL,59/63] target/riscv: floating-point scalar move instructions [PULL,60/63] target/riscv: vector slide instructions [PULL,61/63] target/riscv: vector register gather instruction [PULL,62/63] target/riscv: vector compress instruction [PULL,63/63] target/riscv: configure and turn on vector extension from command line

diff --git a/target/riscv/helper.h b/target/riscv/helper.h index da6acc067b..67a2e64c4a 100644 --- a/target/riscv/helper.h +++ b/target/riscv/helper.h @@ -349,3 +349,36 @@ DEF_HELPER_6(vwadd_wx_w, void, ptr, ptr, tl, ptr, env, i32) DEF_HELPER_6(vwsub_wx_b, void, ptr, ptr, tl, ptr, env, i32) DEF_HELPER_6(vwsub_wx_h, void, ptr, ptr, tl, ptr, env, i32) DEF_HELPER_6(vwsub_wx_w, void, ptr, ptr, tl, ptr, env, i32) + +DEF_HELPER_6(vadc_vvm_b, void, ptr, ptr, ptr, ptr, env, i32) +DEF_HELPER_6(vadc_vvm_h, void, ptr, ptr, ptr, ptr, env, i32) +DEF_HELPER_6(vadc_vvm_w, void, ptr, ptr, ptr, ptr, env, i32) +DEF_HELPER_6(vadc_vvm_d, void, ptr, ptr, ptr, ptr, env, i32) +DEF_HELPER_6(vsbc_vvm_b, void, ptr, ptr, ptr, ptr, env, i32) +DEF_HELPER_6(vsbc_vvm_h, void, ptr, ptr, ptr, ptr, env, i32) +DEF_HELPER_6(vsbc_vvm_w, void, ptr, ptr, ptr, ptr, env, i32) +DEF_HELPER_6(vsbc_vvm_d, void, ptr, ptr, ptr, ptr, env, i32) +DEF_HELPER_6(vmadc_vvm_b, void, ptr, ptr, ptr, ptr, env, i32) +DEF_HELPER_6(vmadc_vvm_h, void, ptr, ptr, ptr, ptr, env, i32) +DEF_HELPER_6(vmadc_vvm_w, void, ptr, ptr, ptr, ptr, env, i32) +DEF_HELPER_6(vmadc_vvm_d, void, ptr, ptr, ptr, ptr, env, i32) +DEF_HELPER_6(vmsbc_vvm_b, void, ptr, ptr, ptr, ptr, env, i32) +DEF_HELPER_6(vmsbc_vvm_h, void, ptr, ptr, ptr, ptr, env, i32) +DEF_HELPER_6(vmsbc_vvm_w, void, ptr, ptr, ptr, ptr, env, i32) +DEF_HELPER_6(vmsbc_vvm_d, void, ptr, ptr, ptr, ptr, env, i32) +DEF_HELPER_6(vadc_vxm_b, void, ptr, ptr, tl, ptr, env, i32) +DEF_HELPER_6(vadc_vxm_h, void, ptr, ptr, tl, ptr, env, i32) +DEF_HELPER_6(vadc_vxm_w, void, ptr, ptr, tl, ptr, env, i32) +DEF_HELPER_6(vadc_vxm_d, void, ptr, ptr, tl, ptr, env, i32) +DEF_HELPER_6(vsbc_vxm_b, void, ptr, ptr, tl, ptr, env, i32) +DEF_HELPER_6(vsbc_vxm_h, void, ptr, ptr, tl, ptr, env, i32) +DEF_HELPER_6(vsbc_vxm_w, void, ptr, ptr, tl, ptr, env, i32) +DEF_HELPER_6(vsbc_vxm_d, void, ptr, ptr, tl, ptr, env, i32) +DEF_HELPER_6(vmadc_vxm_b, void, ptr, ptr, tl, ptr, env, i32) +DEF_HELPER_6(vmadc_vxm_h, void, ptr, ptr, tl, ptr, env, i32) +DEF_HELPER_6(vmadc_vxm_w, void, ptr, ptr, tl, ptr, env, i32) +DEF_HELPER_6(vmadc_vxm_d, void, ptr, ptr, tl, ptr, env, i32) +DEF_HELPER_6(vmsbc_vxm_b, void, ptr, ptr, tl, ptr, env, i32) +DEF_HELPER_6(vmsbc_vxm_h, void, ptr, ptr, tl, ptr, env, i32) +DEF_HELPER_6(vmsbc_vxm_w, void, ptr, ptr, tl, ptr, env, i32) +DEF_HELPER_6(vmsbc_vxm_d, void, ptr, ptr, tl, ptr, env, i32) diff --git a/target/riscv/insn32.decode b/target/riscv/insn32.decode index 6ec166d0ed..be63e900c6 100644 --- a/target/riscv/insn32.decode +++ b/target/riscv/insn32.decode @@ -70,6 +70,7 @@ @r2_nfvm ... ... vm:1 ..... ..... ... ..... ....... &r2nfvm %nf %rs1 %rd @r_nfvm ... ... vm:1 ..... ..... ... ..... ....... &rnfvm %nf %rs2 %rs1 %rd @r_vm ...... vm:1 ..... ..... ... ..... ....... &rmrr %rs2 %rs1 %rd +@r_vm_1 ...... . ..... ..... ... ..... ....... &rmrr vm=1 %rs2 %rs1 %rd @r_wdvm ..... wd:1 vm:1 ..... ..... ... ..... ....... &rwdvm %rs2 %rs1 %rd @r2_zimm . zimm:11 ..... ... ..... ....... %rs1 %rd @@ -302,6 +303,16 @@ vwsubu_wv 110110 . ..... ..... 010 ..... 1010111 @r_vm vwsubu_wx 110110 . ..... ..... 110 ..... 1010111 @r_vm vwsub_wv 110111 . ..... ..... 010 ..... 1010111 @r_vm vwsub_wx 110111 . ..... ..... 110 ..... 1010111 @r_vm +vadc_vvm 010000 1 ..... ..... 000 ..... 1010111 @r_vm_1 +vadc_vxm 010000 1 ..... ..... 100 ..... 1010111 @r_vm_1 +vadc_vim 010000 1 ..... ..... 011 ..... 1010111 @r_vm_1 +vmadc_vvm 010001 1 ..... ..... 000 ..... 1010111 @r_vm_1 +vmadc_vxm 010001 1 ..... ..... 100 ..... 1010111 @r_vm_1 +vmadc_vim 010001 1 ..... ..... 011 ..... 1010111 @r_vm_1 +vsbc_vvm 010010 1 ..... ..... 000 ..... 1010111 @r_vm_1 +vsbc_vxm 010010 1 ..... ..... 100 ..... 1010111 @r_vm_1 +vmsbc_vvm 010011 1 ..... ..... 000 ..... 1010111 @r_vm_1 +vmsbc_vxm 010011 1 ..... ..... 100 ..... 1010111 @r_vm_1 vsetvli 0 ........... ..... 111 ..... 1010111 @r2_zimm vsetvl 1000000 ..... ..... 111 ..... 1010111 @r diff --git a/target/riscv/insn_trans/trans_rvv.inc.c b/target/riscv/insn_trans/trans_rvv.inc.c index 850df9df66..98bd5bcb79 100644 --- a/target/riscv/insn_trans/trans_rvv.inc.c +++ b/target/riscv/insn_trans/trans_rvv.inc.c @@ -1249,3 +1249,116 @@ GEN_OPIWX_WIDEN_TRANS(vwaddu_wx) GEN_OPIWX_WIDEN_TRANS(vwadd_wx) GEN_OPIWX_WIDEN_TRANS(vwsubu_wx) GEN_OPIWX_WIDEN_TRANS(vwsub_wx) + +/* Vector Integer Add-with-Carry / Subtract-with-Borrow Instructions */ +/* OPIVV without GVEC IR */ +#define GEN_OPIVV_TRANS(NAME, CHECK) \ +static bool trans_##NAME(DisasContext *s, arg_rmrr *a) \ +{ \ + if (CHECK(s, a)) { \ + uint32_t data = 0; \ + static gen_helper_gvec_4_ptr * const fns[4] = { \ + gen_helper_##NAME##_b, gen_helper_##NAME##_h, \ + gen_helper_##NAME##_w, gen_helper_##NAME##_d, \ + }; \ + TCGLabel *over = gen_new_label(); \ + tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_vl, 0, over); \ + \ + data = FIELD_DP32(data, VDATA, MLEN, s->mlen); \ + data = FIELD_DP32(data, VDATA, VM, a->vm); \ + data = FIELD_DP32(data, VDATA, LMUL, s->lmul); \ + tcg_gen_gvec_4_ptr(vreg_ofs(s, a->rd), vreg_ofs(s, 0), \ + vreg_ofs(s, a->rs1), \ + vreg_ofs(s, a->rs2), cpu_env, 0, \ + s->vlen / 8, data, fns[s->sew]); \ + gen_set_label(over); \ + return true; \ + } \ + return false; \ +} + +/* + * For vadc and vsbc, an illegal instruction exception is raised if the + * destination vector register is v0 and LMUL > 1. (Section 12.3) + */ +static bool opivv_vadc_check(DisasContext *s, arg_rmrr *a) +{ + return (vext_check_isa_ill(s) && + vext_check_reg(s, a->rd, false) && + vext_check_reg(s, a->rs2, false) && + vext_check_reg(s, a->rs1, false) && + ((a->rd != 0) || (s->lmul == 0))); +} + +GEN_OPIVV_TRANS(vadc_vvm, opivv_vadc_check) +GEN_OPIVV_TRANS(vsbc_vvm, opivv_vadc_check) + +/* + * For vmadc and vmsbc, an illegal instruction exception is raised if the + * destination vector register overlaps a source vector register group. + */ +static bool opivv_vmadc_check(DisasContext *s, arg_rmrr *a) +{ + return (vext_check_isa_ill(s) && + vext_check_reg(s, a->rs2, false) && + vext_check_reg(s, a->rs1, false) && + vext_check_overlap_group(a->rd, 1, a->rs1, 1 << s->lmul) && + vext_check_overlap_group(a->rd, 1, a->rs2, 1 << s->lmul)); +} + +GEN_OPIVV_TRANS(vmadc_vvm, opivv_vmadc_check) +GEN_OPIVV_TRANS(vmsbc_vvm, opivv_vmadc_check) + +static bool opivx_vadc_check(DisasContext *s, arg_rmrr *a) +{ + return (vext_check_isa_ill(s) && + vext_check_reg(s, a->rd, false) && + vext_check_reg(s, a->rs2, false) && + ((a->rd != 0) || (s->lmul == 0))); +} + +/* OPIVX without GVEC IR */ +#define GEN_OPIVX_TRANS(NAME, CHECK) \ +static bool trans_##NAME(DisasContext *s, arg_rmrr *a) \ +{ \ + if (CHECK(s, a)) { \ + static gen_helper_opivx * const fns[4] = { \ + gen_helper_##NAME##_b, gen_helper_##NAME##_h, \ + gen_helper_##NAME##_w, gen_helper_##NAME##_d, \ + }; \ + \ + return opivx_trans(a->rd, a->rs1, a->rs2, a->vm, fns[s->sew], s);\ + } \ + return false; \ +} + +GEN_OPIVX_TRANS(vadc_vxm, opivx_vadc_check) +GEN_OPIVX_TRANS(vsbc_vxm, opivx_vadc_check) + +static bool opivx_vmadc_check(DisasContext *s, arg_rmrr *a) +{ + return (vext_check_isa_ill(s) && + vext_check_reg(s, a->rs2, false) && + vext_check_overlap_group(a->rd, 1, a->rs2, 1 << s->lmul)); +} + +GEN_OPIVX_TRANS(vmadc_vxm, opivx_vmadc_check) +GEN_OPIVX_TRANS(vmsbc_vxm, opivx_vmadc_check) + +/* OPIVI without GVEC IR */ +#define GEN_OPIVI_TRANS(NAME, ZX, OPIVX, CHECK) \ +static bool trans_##NAME(DisasContext *s, arg_rmrr *a) \ +{ \ + if (CHECK(s, a)) { \ + static gen_helper_opivx * const fns[4] = { \ + gen_helper_##OPIVX##_b, gen_helper_##OPIVX##_h, \ + gen_helper_##OPIVX##_w, gen_helper_##OPIVX##_d, \ + }; \ + return opivi_trans(a->rd, a->rs1, a->rs2, a->vm, \ + fns[s->sew], s, ZX); \ + } \ + return false; \ +} + +GEN_OPIVI_TRANS(vadc_vim, 0, vadc_vxm, opivx_vadc_check) +GEN_OPIVI_TRANS(vmadc_vim, 0, vmadc_vxm, opivx_vmadc_check) diff --git a/target/riscv/vector_helper.c b/target/riscv/vector_helper.c index 2aa1924960..ad746175bd 100644 --- a/target/riscv/vector_helper.c +++ b/target/riscv/vector_helper.c @@ -187,6 +187,14 @@ static void clearq(void *vd, uint32_t idx, uint32_t cnt, uint32_t tot) vext_clear(cur, cnt, tot); } +static inline void vext_set_elem_mask(void *v0, int mlen, int index, + uint8_t value) +{ + int idx = (index * mlen) / 64; + int pos = (index * mlen) % 64; + uint64_t old = ((uint64_t *)v0)[idx]; + ((uint64_t *)v0)[idx] = deposit64(old, pos, mlen, value); +} static inline int vext_elem_mask(void *v0, int mlen, int index) { @@ -1128,3 +1136,132 @@ GEN_VEXT_VX(vwadd_wx_w, 4, 8, clearq) GEN_VEXT_VX(vwsub_wx_b, 1, 2, clearh) GEN_VEXT_VX(vwsub_wx_h, 2, 4, clearl) GEN_VEXT_VX(vwsub_wx_w, 4, 8, clearq) + +/* Vector Integer Add-with-Carry / Subtract-with-Borrow Instructions */ +#define DO_VADC(N, M, C) (N + M + C) +#define DO_VSBC(N, M, C) (N - M - C) + +#define GEN_VEXT_VADC_VVM(NAME, ETYPE, H, DO_OP, CLEAR_FN) \ +void HELPER(NAME)(void *vd, void *v0, void *vs1, void *vs2, \ + CPURISCVState *env, uint32_t desc) \ +{ \ + uint32_t mlen = vext_mlen(desc); \ + uint32_t vl = env->vl; \ + uint32_t esz = sizeof(ETYPE); \ + uint32_t vlmax = vext_maxsz(desc) / esz; \ + uint32_t i; \ + \ + for (i = 0; i < vl; i++) { \ + ETYPE s1 = *((ETYPE *)vs1 + H(i)); \ + ETYPE s2 = *((ETYPE *)vs2 + H(i)); \ + uint8_t carry = vext_elem_mask(v0, mlen, i); \ + \ + *((ETYPE *)vd + H(i)) = DO_OP(s2, s1, carry); \ + } \ + CLEAR_FN(vd, vl, vl * esz, vlmax * esz); \ +} + +GEN_VEXT_VADC_VVM(vadc_vvm_b, uint8_t, H1, DO_VADC, clearb) +GEN_VEXT_VADC_VVM(vadc_vvm_h, uint16_t, H2, DO_VADC, clearh) +GEN_VEXT_VADC_VVM(vadc_vvm_w, uint32_t, H4, DO_VADC, clearl) +GEN_VEXT_VADC_VVM(vadc_vvm_d, uint64_t, H8, DO_VADC, clearq) + +GEN_VEXT_VADC_VVM(vsbc_vvm_b, uint8_t, H1, DO_VSBC, clearb) +GEN_VEXT_VADC_VVM(vsbc_vvm_h, uint16_t, H2, DO_VSBC, clearh) +GEN_VEXT_VADC_VVM(vsbc_vvm_w, uint32_t, H4, DO_VSBC, clearl) +GEN_VEXT_VADC_VVM(vsbc_vvm_d, uint64_t, H8, DO_VSBC, clearq) + +#define GEN_VEXT_VADC_VXM(NAME, ETYPE, H, DO_OP, CLEAR_FN) \ +void HELPER(NAME)(void *vd, void *v0, target_ulong s1, void *vs2, \ + CPURISCVState *env, uint32_t desc) \ +{ \ + uint32_t mlen = vext_mlen(desc); \ + uint32_t vl = env->vl; \ + uint32_t esz = sizeof(ETYPE); \ + uint32_t vlmax = vext_maxsz(desc) / esz; \ + uint32_t i; \ + \ + for (i = 0; i < vl; i++) { \ + ETYPE s2 = *((ETYPE *)vs2 + H(i)); \ + uint8_t carry = vext_elem_mask(v0, mlen, i); \ + \ + *((ETYPE *)vd + H(i)) = DO_OP(s2, (ETYPE)(target_long)s1, carry);\ + } \ + CLEAR_FN(vd, vl, vl * esz, vlmax * esz); \ +} + +GEN_VEXT_VADC_VXM(vadc_vxm_b, uint8_t, H1, DO_VADC, clearb) +GEN_VEXT_VADC_VXM(vadc_vxm_h, uint16_t, H2, DO_VADC, clearh) +GEN_VEXT_VADC_VXM(vadc_vxm_w, uint32_t, H4, DO_VADC, clearl) +GEN_VEXT_VADC_VXM(vadc_vxm_d, uint64_t, H8, DO_VADC, clearq) + +GEN_VEXT_VADC_VXM(vsbc_vxm_b, uint8_t, H1, DO_VSBC, clearb) +GEN_VEXT_VADC_VXM(vsbc_vxm_h, uint16_t, H2, DO_VSBC, clearh) +GEN_VEXT_VADC_VXM(vsbc_vxm_w, uint32_t, H4, DO_VSBC, clearl) +GEN_VEXT_VADC_VXM(vsbc_vxm_d, uint64_t, H8, DO_VSBC, clearq) + +#define DO_MADC(N, M, C) (C ? (__typeof(N))(N + M + 1) <= N : \ + (__typeof(N))(N + M) < N) +#define DO_MSBC(N, M, C) (C ? N <= M : N < M) + +#define GEN_VEXT_VMADC_VVM(NAME, ETYPE, H, DO_OP) \ +void HELPER(NAME)(void *vd, void *v0, void *vs1, void *vs2, \ + CPURISCVState *env, uint32_t desc) \ +{ \ + uint32_t mlen = vext_mlen(desc); \ + uint32_t vl = env->vl; \ + uint32_t vlmax = vext_maxsz(desc) / sizeof(ETYPE); \ + uint32_t i; \ + \ + for (i = 0; i < vl; i++) { \ + ETYPE s1 = *((ETYPE *)vs1 + H(i)); \ + ETYPE s2 = *((ETYPE *)vs2 + H(i)); \ + uint8_t carry = vext_elem_mask(v0, mlen, i); \ + \ + vext_set_elem_mask(vd, mlen, i, DO_OP(s2, s1, carry));\ + } \ + for (; i < vlmax; i++) { \ + vext_set_elem_mask(vd, mlen, i, 0); \ + } \ +} + +GEN_VEXT_VMADC_VVM(vmadc_vvm_b, uint8_t, H1, DO_MADC) +GEN_VEXT_VMADC_VVM(vmadc_vvm_h, uint16_t, H2, DO_MADC) +GEN_VEXT_VMADC_VVM(vmadc_vvm_w, uint32_t, H4, DO_MADC) +GEN_VEXT_VMADC_VVM(vmadc_vvm_d, uint64_t, H8, DO_MADC) + +GEN_VEXT_VMADC_VVM(vmsbc_vvm_b, uint8_t, H1, DO_MSBC) +GEN_VEXT_VMADC_VVM(vmsbc_vvm_h, uint16_t, H2, DO_MSBC) +GEN_VEXT_VMADC_VVM(vmsbc_vvm_w, uint32_t, H4, DO_MSBC) +GEN_VEXT_VMADC_VVM(vmsbc_vvm_d, uint64_t, H8, DO_MSBC) + +#define GEN_VEXT_VMADC_VXM(NAME, ETYPE, H, DO_OP) \ +void HELPER(NAME)(void *vd, void *v0, target_ulong s1, \ + void *vs2, CPURISCVState *env, uint32_t desc) \ +{ \ + uint32_t mlen = vext_mlen(desc); \ + uint32_t vl = env->vl; \ + uint32_t vlmax = vext_maxsz(desc) / sizeof(ETYPE); \ + uint32_t i; \ + \ + for (i = 0; i < vl; i++) { \ + ETYPE s2 = *((ETYPE *)vs2 + H(i)); \ + uint8_t carry = vext_elem_mask(v0, mlen, i); \ + \ + vext_set_elem_mask(vd, mlen, i, \ + DO_OP(s2, (ETYPE)(target_long)s1, carry)); \ + } \ + for (; i < vlmax; i++) { \ + vext_set_elem_mask(vd, mlen, i, 0); \ + } \ +} + +GEN_VEXT_VMADC_VXM(vmadc_vxm_b, uint8_t, H1, DO_MADC) +GEN_VEXT_VMADC_VXM(vmadc_vxm_h, uint16_t, H2, DO_MADC) +GEN_VEXT_VMADC_VXM(vmadc_vxm_w, uint32_t, H4, DO_MADC) +GEN_VEXT_VMADC_VXM(vmadc_vxm_d, uint64_t, H8, DO_MADC) + +GEN_VEXT_VMADC_VXM(vmsbc_vxm_b, uint8_t, H1, DO_MSBC) +GEN_VEXT_VMADC_VXM(vmsbc_vxm_h, uint16_t, H2, DO_MSBC) +GEN_VEXT_VMADC_VXM(vmsbc_vxm_w, uint32_t, H4, DO_MSBC) +GEN_VEXT_VMADC_VXM(vmsbc_vxm_d, uint64_t, H8, DO_MSBC)

[PULL,14/63] target/riscv: vector integer add-with-carry / subtract-with-borrow instructions

Commit Message

Patch