From: frank.chang@sifive.com
To: qemu-devel@nongnu.org, qemu-riscv@nongnu.org
Cc: Frank Chang <frank.chang@sifive.com>,
Palmer Dabbelt <palmer@dabbelt.com>,
Alistair Francis <alistair.francis@wdc.com>,
Bin Meng <bin.meng@windriver.com>,
Richard Henderson <richard.henderson@linaro.org>
Subject: [PATCH v8 40/78] target/riscv: rvv-1.0: integer extension instructions
Date: Fri, 15 Oct 2021 15:45:48 +0800 [thread overview]
Message-ID: <20211015074627.3957162-48-frank.chang@sifive.com> (raw)
In-Reply-To: <20211015074627.3957162-1-frank.chang@sifive.com>
From: Frank Chang <frank.chang@sifive.com>
Add the following instructions:
* vzext.vf2
* vzext.vf4
* vzext.vf8
* vsext.vf2
* vsext.vf4
* vsext.vf8
Signed-off-by: Frank Chang <frank.chang@sifive.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
---
target/riscv/helper.h | 14 +++++
target/riscv/insn32.decode | 8 +++
target/riscv/insn_trans/trans_rvv.c.inc | 80 +++++++++++++++++++++++++
target/riscv/vector_helper.c | 31 ++++++++++
4 files changed, 133 insertions(+)
diff --git a/target/riscv/helper.h b/target/riscv/helper.h
index bd0768d048f..878d82caf61 100644
--- a/target/riscv/helper.h
+++ b/target/riscv/helper.h
@@ -1072,3 +1072,17 @@ DEF_HELPER_6(vcompress_vm_b, void, ptr, ptr, ptr, ptr, env, i32)
DEF_HELPER_6(vcompress_vm_h, void, ptr, ptr, ptr, ptr, env, i32)
DEF_HELPER_6(vcompress_vm_w, void, ptr, ptr, ptr, ptr, env, i32)
DEF_HELPER_6(vcompress_vm_d, void, ptr, ptr, ptr, ptr, env, i32)
+
+DEF_HELPER_5(vzext_vf2_h, void, ptr, ptr, ptr, env, i32)
+DEF_HELPER_5(vzext_vf2_w, void, ptr, ptr, ptr, env, i32)
+DEF_HELPER_5(vzext_vf2_d, void, ptr, ptr, ptr, env, i32)
+DEF_HELPER_5(vzext_vf4_w, void, ptr, ptr, ptr, env, i32)
+DEF_HELPER_5(vzext_vf4_d, void, ptr, ptr, ptr, env, i32)
+DEF_HELPER_5(vzext_vf8_d, void, ptr, ptr, ptr, env, i32)
+
+DEF_HELPER_5(vsext_vf2_h, void, ptr, ptr, ptr, env, i32)
+DEF_HELPER_5(vsext_vf2_w, void, ptr, ptr, ptr, env, i32)
+DEF_HELPER_5(vsext_vf2_d, void, ptr, ptr, ptr, env, i32)
+DEF_HELPER_5(vsext_vf4_w, void, ptr, ptr, ptr, env, i32)
+DEF_HELPER_5(vsext_vf4_d, void, ptr, ptr, ptr, env, i32)
+DEF_HELPER_5(vsext_vf8_d, void, ptr, ptr, ptr, env, i32)
diff --git a/target/riscv/insn32.decode b/target/riscv/insn32.decode
index 06a80763112..a6f9e5dcc66 100644
--- a/target/riscv/insn32.decode
+++ b/target/riscv/insn32.decode
@@ -655,6 +655,14 @@ vmv2r_v 100111 1 ..... 00001 011 ..... 1010111 @r2rd
vmv4r_v 100111 1 ..... 00011 011 ..... 1010111 @r2rd
vmv8r_v 100111 1 ..... 00111 011 ..... 1010111 @r2rd
+# Vector Integer Extension
+vzext_vf2 010010 . ..... 00110 010 ..... 1010111 @r2_vm
+vzext_vf4 010010 . ..... 00100 010 ..... 1010111 @r2_vm
+vzext_vf8 010010 . ..... 00010 010 ..... 1010111 @r2_vm
+vsext_vf2 010010 . ..... 00111 010 ..... 1010111 @r2_vm
+vsext_vf4 010010 . ..... 00101 010 ..... 1010111 @r2_vm
+vsext_vf8 010010 . ..... 00011 010 ..... 1010111 @r2_vm
+
vsetvli 0 ........... ..... 111 ..... 1010111 @r2_zimm
vsetvl 1000000 ..... ..... 111 ..... 1010111 @r
diff --git a/target/riscv/insn_trans/trans_rvv.c.inc b/target/riscv/insn_trans/trans_rvv.c.inc
index 5eaf978fe90..43cdc846d9f 100644
--- a/target/riscv/insn_trans/trans_rvv.c.inc
+++ b/target/riscv/insn_trans/trans_rvv.c.inc
@@ -3283,3 +3283,83 @@ GEN_VMV_WHOLE_TRANS(vmv1r_v, 1)
GEN_VMV_WHOLE_TRANS(vmv2r_v, 2)
GEN_VMV_WHOLE_TRANS(vmv4r_v, 4)
GEN_VMV_WHOLE_TRANS(vmv8r_v, 8)
+
+static bool int_ext_check(DisasContext *s, arg_rmr *a, uint8_t div)
+{
+ uint8_t from = (s->sew + 3) - div;
+ bool ret = require_rvv(s) &&
+ (from >= 3 && from <= 8) &&
+ (a->rd != a->rs2) &&
+ require_align(a->rd, s->lmul) &&
+ require_align(a->rs2, s->lmul - div) &&
+ require_vm(a->vm, a->rd) &&
+ require_noover(a->rd, s->lmul, a->rs2, s->lmul - div);
+ return ret;
+}
+
+static bool int_ext_op(DisasContext *s, arg_rmr *a, uint8_t seq)
+{
+ uint32_t data = 0;
+ gen_helper_gvec_3_ptr *fn;
+ TCGLabel *over = gen_new_label();
+ tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_vl, 0, over);
+
+ static gen_helper_gvec_3_ptr * const fns[6][4] = {
+ {
+ NULL, gen_helper_vzext_vf2_h,
+ gen_helper_vzext_vf2_w, gen_helper_vzext_vf2_d
+ },
+ {
+ NULL, NULL,
+ gen_helper_vzext_vf4_w, gen_helper_vzext_vf4_d,
+ },
+ {
+ NULL, NULL,
+ NULL, gen_helper_vzext_vf8_d
+ },
+ {
+ NULL, gen_helper_vsext_vf2_h,
+ gen_helper_vsext_vf2_w, gen_helper_vsext_vf2_d
+ },
+ {
+ NULL, NULL,
+ gen_helper_vsext_vf4_w, gen_helper_vsext_vf4_d,
+ },
+ {
+ NULL, NULL,
+ NULL, gen_helper_vsext_vf8_d
+ }
+ };
+
+ fn = fns[seq][s->sew];
+ if (fn == NULL) {
+ return false;
+ }
+
+ data = FIELD_DP32(data, VDATA, VM, a->vm);
+
+ tcg_gen_gvec_3_ptr(vreg_ofs(s, a->rd), vreg_ofs(s, 0),
+ vreg_ofs(s, a->rs2), cpu_env,
+ s->vlen / 8, s->vlen / 8, data, fn);
+
+ mark_vs_dirty(s);
+ gen_set_label(over);
+ return true;
+}
+
+/* Vector Integer Extension */
+#define GEN_INT_EXT_TRANS(NAME, DIV, SEQ) \
+static bool trans_##NAME(DisasContext *s, arg_rmr *a) \
+{ \
+ if (int_ext_check(s, a, DIV)) { \
+ return int_ext_op(s, a, SEQ); \
+ } \
+ return false; \
+}
+
+GEN_INT_EXT_TRANS(vzext_vf2, 1, 0)
+GEN_INT_EXT_TRANS(vzext_vf4, 2, 1)
+GEN_INT_EXT_TRANS(vzext_vf8, 3, 2)
+GEN_INT_EXT_TRANS(vsext_vf2, 1, 3)
+GEN_INT_EXT_TRANS(vsext_vf4, 2, 4)
+GEN_INT_EXT_TRANS(vsext_vf8, 3, 5)
diff --git a/target/riscv/vector_helper.c b/target/riscv/vector_helper.c
index 86d03d8e395..58ba2a7d99b 100644
--- a/target/riscv/vector_helper.c
+++ b/target/riscv/vector_helper.c
@@ -4544,3 +4544,34 @@ GEN_VEXT_VCOMPRESS_VM(vcompress_vm_b, uint8_t, H1)
GEN_VEXT_VCOMPRESS_VM(vcompress_vm_h, uint16_t, H2)
GEN_VEXT_VCOMPRESS_VM(vcompress_vm_w, uint32_t, H4)
GEN_VEXT_VCOMPRESS_VM(vcompress_vm_d, uint64_t, H8)
+
+/* Vector Integer Extension */
+#define GEN_VEXT_INT_EXT(NAME, ETYPE, DTYPE, HD, HS1) \
+void HELPER(NAME)(void *vd, void *v0, void *vs2, \
+ CPURISCVState *env, uint32_t desc) \
+{ \
+ uint32_t vl = env->vl; \
+ uint32_t vm = vext_vm(desc); \
+ uint32_t i; \
+ \
+ for (i = 0; i < vl; i++) { \
+ if (!vm && !vext_elem_mask(v0, i)) { \
+ continue; \
+ } \
+ *((ETYPE *)vd + HD(i)) = *((DTYPE *)vs2 + HS1(i)); \
+ } \
+}
+
+GEN_VEXT_INT_EXT(vzext_vf2_h, uint16_t, uint8_t, H2, H1)
+GEN_VEXT_INT_EXT(vzext_vf2_w, uint32_t, uint16_t, H4, H2)
+GEN_VEXT_INT_EXT(vzext_vf2_d, uint64_t, uint32_t, H8, H4)
+GEN_VEXT_INT_EXT(vzext_vf4_w, uint32_t, uint8_t, H4, H1)
+GEN_VEXT_INT_EXT(vzext_vf4_d, uint64_t, uint16_t, H8, H2)
+GEN_VEXT_INT_EXT(vzext_vf8_d, uint64_t, uint8_t, H8, H1)
+
+GEN_VEXT_INT_EXT(vsext_vf2_h, int16_t, int8_t, H2, H1)
+GEN_VEXT_INT_EXT(vsext_vf2_w, int32_t, int16_t, H4, H2)
+GEN_VEXT_INT_EXT(vsext_vf2_d, int64_t, int32_t, H8, H4)
+GEN_VEXT_INT_EXT(vsext_vf4_w, int32_t, int8_t, H4, H1)
+GEN_VEXT_INT_EXT(vsext_vf4_d, int64_t, int16_t, H8, H2)
+GEN_VEXT_INT_EXT(vsext_vf8_d, int64_t, int8_t, H8, H1)
--
2.25.1
next prev parent reply other threads:[~2021-10-15 8:25 UTC|newest]
Thread overview: 120+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-10-15 7:45 [PATCH v8 00/78] support vector extension v1.0 frank.chang
2021-10-15 7:45 ` [PATCH v8 01/78] target/riscv: fix TB_FLAGS bits overlapping bug for rvv/rvh frank.chang
2021-10-16 3:04 ` Richard Henderson
2021-10-17 22:55 ` Alistair Francis
2021-10-18 5:38 ` Richard Henderson
2021-10-18 6:01 ` Alistair Francis
2021-10-15 7:45 ` [PATCH v8 02/78] target/riscv: drop vector 0.7.1 and add 1.0 support frank.chang
2021-10-15 7:45 ` [PATCH v8 03/78] target/riscv: Use FIELD_EX32() to extract wd field frank.chang
2021-10-15 7:45 ` [PATCH v8 04/78] target/riscv: rvv-1.0: add mstatus VS field frank.chang
2021-10-15 7:45 ` [PATCH v8 05/78] target/riscv: rvv-1.0: add sstatus " frank.chang
2021-10-15 7:45 ` [PATCH v8 06/78] target/riscv: rvv-1.0: introduce writable misa.v field frank.chang
2021-10-15 7:45 ` [PATCH v8 07/78] target/riscv: rvv-1.0: add translation-time vector context status frank.chang
2021-10-15 7:45 ` [PATCH v8 08/78] target/riscv: rvv-1.0: remove rvv related codes from fcsr registers frank.chang
2021-10-15 7:45 ` [PATCH v8 09/78] target/riscv: rvv-1.0: add vcsr register frank.chang
2021-10-15 7:45 ` [PATCH v8 10/78] target/riscv: rvv-1.0: add vlenb register frank.chang
2021-10-15 7:45 ` [PATCH v8 11/78] target/riscv: rvv-1.0: check MSTATUS_VS when accessing vector csr registers frank.chang
2021-10-15 7:45 ` [PATCH v8 12/78] target/riscv: rvv-1.0: remove MLEN calculations frank.chang
2021-10-15 7:45 ` [PATCH v8 13/78] target/riscv: rvv-1.0: add fractional LMUL frank.chang
2021-10-15 7:45 ` [PATCH v8 14/78] target/riscv: rvv-1.0: add VMA and VTA frank.chang
2021-10-15 7:45 ` [PATCH v8 15/78] target/riscv: rvv-1.0: update check functions frank.chang
2021-10-15 7:45 ` [PATCH v8 16/78] target/riscv: introduce more imm value modes in translator functions frank.chang
2021-10-15 7:45 ` [PATCH v8 17/78] target/riscv: rvv:1.0: add translation-time nan-box helper function frank.chang
2021-10-15 7:45 ` [PATCH 18/76] target/riscv: rvv-1.0: configure instructions frank.chang
2021-10-15 7:45 ` [PATCH v8 18/78] target/riscv: rvv-1.0: remove amo operations instructions frank.chang
2021-10-18 5:44 ` Alistair Francis
2021-10-15 7:45 ` [PATCH v8 19/78] target/riscv: rvv-1.0: configure instructions frank.chang
2021-10-15 7:45 ` [PATCH 19/76] target/riscv: rvv-1.0: stride load and store instructions frank.chang
2021-10-15 7:45 ` [PATCH 20/76] target/riscv: rvv-1.0: index " frank.chang
2021-10-15 7:45 ` [PATCH v8 20/78] target/riscv: rvv-1.0: stride " frank.chang
2021-10-15 7:45 ` [PATCH 21/76] target/riscv: rvv-1.0: fix address index overflow bug of indexed load/store insns frank.chang
2021-10-15 7:45 ` [PATCH v8 21/78] target/riscv: rvv-1.0: index load and store instructions frank.chang
2021-10-15 7:45 ` [PATCH 22/76] target/riscv: rvv-1.0: fault-only-first unit stride load frank.chang
2021-10-15 7:45 ` [PATCH v8 22/78] target/riscv: rvv-1.0: fix address index overflow bug of indexed load/store insns frank.chang
2021-10-15 7:45 ` [PATCH 23/76] target/riscv: rvv-1.0: amo operations frank.chang
2021-10-15 7:45 ` [PATCH v8 23/78] target/riscv: rvv-1.0: fault-only-first unit stride load frank.chang
2021-10-15 7:45 ` [PATCH v8 24/78] target/riscv: rvv-1.0: load/store whole register instructions frank.chang
2021-10-15 7:45 ` [PATCH v8 25/78] target/riscv: rvv-1.0: update vext_max_elems() for load/store insns frank.chang
2021-10-15 7:45 ` [PATCH v8 26/78] target/riscv: rvv-1.0: take fractional LMUL into vector max elements calculation frank.chang
2021-10-15 7:45 ` [PATCH v8 27/78] target/riscv: rvv-1.0: floating-point square-root instruction frank.chang
2021-10-15 7:45 ` [PATCH v8 28/78] target/riscv: rvv-1.0: floating-point classify instructions frank.chang
2021-10-15 7:45 ` [PATCH v8 29/78] target/riscv: rvv-1.0: count population in mask instruction frank.chang
2021-10-18 5:46 ` Alistair Francis
2021-10-15 7:45 ` [PATCH 29/76] target/riscv: rvv-1.0: mask population count instruction frank.chang
2021-10-15 7:45 ` [PATCH v8 30/78] target/riscv: rvv-1.0: find-first-set mask bit instruction frank.chang
2021-10-18 5:47 ` Alistair Francis
2021-10-15 7:45 ` [PATCH v8 31/78] target/riscv: rvv-1.0: set-X-first mask bit instructions frank.chang
2021-10-18 5:53 ` Alistair Francis
2021-10-15 7:45 ` [PATCH v8 32/78] target/riscv: rvv-1.0: iota instruction frank.chang
2021-10-18 5:49 ` Alistair Francis
2021-10-15 7:45 ` [PATCH v8 33/78] target/riscv: rvv-1.0: element index instruction frank.chang
2021-10-18 5:54 ` Alistair Francis
2021-10-15 7:45 ` [PATCH v8 34/78] target/riscv: rvv-1.0: allow load element with sign-extended frank.chang
2021-10-21 4:28 ` Alistair Francis
2021-10-15 7:45 ` [PATCH v8 35/78] target/riscv: rvv-1.0: register gather instructions frank.chang
2021-10-15 7:45 ` [PATCH v8 36/78] target/riscv: rvv-1.0: integer scalar move instructions frank.chang
2021-10-21 4:24 ` Alistair Francis
2021-10-15 7:45 ` [PATCH v8 37/78] target/riscv: rvv-1.0: floating-point move instruction frank.chang
2021-10-15 7:45 ` [PATCH v8 38/78] target/riscv: rvv-1.0: floating-point scalar move instructions frank.chang
2021-10-21 4:26 ` Alistair Francis
2021-10-15 7:45 ` [PATCH v8 39/78] target/riscv: rvv-1.0: whole register " frank.chang
2021-10-21 4:27 ` Alistair Francis
2021-10-15 7:45 ` frank.chang [this message]
2021-10-15 7:45 ` [PATCH v8 41/78] target/riscv: rvv-1.0: single-width averaging add and subtract instructions frank.chang
2021-10-15 7:45 ` [PATCH v8 42/78] target/riscv: rvv-1.0: single-width bit shift instructions frank.chang
2021-10-15 7:45 ` [PATCH v8 43/78] target/riscv: rvv-1.0: integer add-with-carry/subtract-with-borrow frank.chang
2021-10-25 6:08 ` Alistair Francis
2021-10-15 7:45 ` [PATCH v8 44/78] target/riscv: rvv-1.0: narrowing integer right shift instructions frank.chang
2021-10-15 7:45 ` [PATCH v8 45/78] target/riscv: rvv-1.0: widening integer multiply-add instructions frank.chang
2021-10-15 7:45 ` [PATCH v8 46/78] target/riscv: rvv-1.0: single-width saturating add and subtract instructions frank.chang
2021-10-15 7:45 ` [PATCH v8 47/78] target/riscv: rvv-1.0: integer comparison instructions frank.chang
2021-10-15 7:45 ` [PATCH v8 48/78] target/riscv: rvv-1.0: floating-point compare instructions frank.chang
2021-10-15 7:45 ` [PATCH v8 49/78] target/riscv: rvv-1.0: mask-register logical instructions frank.chang
2021-10-15 7:45 ` [PATCH v8 50/78] target/riscv: rvv-1.0: slide instructions frank.chang
2021-10-15 7:45 ` [PATCH v8 51/78] target/riscv: rvv-1.0: floating-point " frank.chang
2021-10-25 6:13 ` Alistair Francis
2021-10-15 7:46 ` [PATCH v8 52/78] target/riscv: rvv-1.0: narrowing fixed-point clip instructions frank.chang
2021-10-15 7:46 ` [PATCH v8 53/78] target/riscv: rvv-1.0: single-width floating-point reduction frank.chang
2021-10-15 7:46 ` [PATCH v8 54/78] target/riscv: rvv-1.0: widening floating-point reduction instructions frank.chang
2021-10-15 7:46 ` [PATCH v8 55/78] target/riscv: rvv-1.0: single-width scaling shift instructions frank.chang
2021-10-15 7:46 ` [PATCH v8 56/78] target/riscv: rvv-1.0: remove widening saturating scaled multiply-add frank.chang
2021-10-15 7:46 ` [PATCH v8 57/78] target/riscv: rvv-1.0: remove vmford.vv and vmford.vf frank.chang
2021-10-15 7:46 ` [PATCH v8 58/78] target/riscv: rvv-1.0: remove integer extract instruction frank.chang
2021-10-15 7:46 ` [PATCH v8 59/78] target/riscv: rvv-1.0: floating-point min/max instructions frank.chang
2021-10-15 7:46 ` [PATCH v8 60/78] target/riscv: introduce floating-point rounding mode enum frank.chang
2021-10-15 7:46 ` [PATCH v8 61/78] target/riscv: rvv-1.0: floating-point/integer type-convert instructions frank.chang
2021-10-25 6:16 ` Alistair Francis
2021-10-15 7:46 ` [PATCH v8 62/78] target/riscv: rvv-1.0: widening floating-point/integer type-convert frank.chang
2021-10-26 6:29 ` Alistair Francis
2021-10-15 7:46 ` [PATCH v8 63/78] target/riscv: add "set round to odd" rounding mode helper function frank.chang
2021-10-26 6:30 ` Alistair Francis
2021-10-15 7:46 ` [PATCH v8 64/78] target/riscv: rvv-1.0: narrowing floating-point/integer type-convert frank.chang
2021-10-26 6:32 ` Alistair Francis
2021-10-15 7:46 ` [PATCH v8 65/78] target/riscv: rvv-1.0: relax RV_VLEN_MAX to 1024-bits frank.chang
2021-10-25 6:43 ` Alistair Francis
2021-10-15 7:46 ` [PATCH v8 66/78] target/riscv: rvv-1.0: implement vstart CSR frank.chang
2021-10-15 7:46 ` [PATCH v8 67/78] target/riscv: rvv-1.0: trigger illegal instruction exception if frm is not valid frank.chang
2021-10-15 7:46 ` [PATCH v8 68/78] target/riscv: rvv-1.0: set mstatus.SD bit when writing vector CSRs frank.chang
2021-10-15 7:46 ` [PATCH v8 69/78] target/riscv: gdb: support vector registers for rv64 & rv32 frank.chang
2021-10-15 7:46 ` [PATCH v8 70/78] target/riscv: rvv-1.0: floating-point reciprocal square-root estimate instruction frank.chang
2021-10-15 7:46 ` [PATCH v8 71/78] target/riscv: rvv-1.0: floating-point reciprocal " frank.chang
2021-10-15 7:46 ` [PATCH v8 72/78] target/riscv: set mstatus.SD bit when writing fp CSRs frank.chang
2021-10-25 6:42 ` Alistair Francis
2021-10-15 7:46 ` [PATCH v8 73/78] target/riscv: rvv-1.0: rename r2_zimm to r2_zimm11 frank.chang
2021-10-26 6:50 ` Alistair Francis
2021-10-15 7:46 ` [PATCH v8 74/78] target/riscv: rvv-1.0: add vsetivli instruction frank.chang
2021-10-26 6:52 ` Alistair Francis
2021-10-15 7:46 ` [PATCH v8 75/78] target/riscv: rvv-1.0: add evl parameter to vext_ldst_us() frank.chang
2021-10-15 7:46 ` [PATCH v8 76/78] target/riscv: rvv-1.0: add vector unit-stride mask load/store insns frank.chang
2021-10-15 7:46 ` [PATCH v8 77/78] target/riscv: rvv-1.0: rename vmandnot.mm and vmornot.mm to vmandn.mm and vmorn.mm frank.chang
2021-10-26 6:55 ` Alistair Francis
2021-10-15 7:46 ` [PATCH v8 78/78] target/riscv: rvv-1.0: update opivv_vadc_check() comment frank.chang
2021-10-26 6:49 ` Alistair Francis
2021-10-15 9:02 ` [PATCH v8 00/78] support vector extension v1.0 Frank Chang
2021-10-18 6:00 ` Alistair Francis
2021-10-18 6:09 ` Frank Chang
2021-10-18 6:12 ` Alistair Francis
2021-10-18 6:17 ` Frank Chang
2021-10-18 9:01 ` LIU Zhiwei
2021-10-18 9:34 ` LIU Zhiwei
2021-10-20 5:28 ` Alistair Francis
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