From: Peter Maydell <peter.maydell@linaro.org>
To: qemu-arm@nongnu.org, qemu-devel@nongnu.org
Cc: Richard Henderson <richard.henderson@linaro.org>
Subject: [PATCH 54/55] target/arm: Implement MVE VADDV
Date: Mon, 7 Jun 2021 17:58:20 +0100 [thread overview]
Message-ID: <20210607165821.9892-55-peter.maydell@linaro.org> (raw)
In-Reply-To: <20210607165821.9892-1-peter.maydell@linaro.org>
Implement the MVE VADDV insn, which performs an addition
across vector lanes.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
target/arm/helper-mve.h | 7 ++++++
target/arm/mve.decode | 2 ++
target/arm/mve_helper.c | 24 +++++++++++++++++++
target/arm/translate-mve.c | 48 ++++++++++++++++++++++++++++++++++++++
4 files changed, 81 insertions(+)
diff --git a/target/arm/helper-mve.h b/target/arm/helper-mve.h
index 3f056e67871..c1ef44d5927 100644
--- a/target/arm/helper-mve.h
+++ b/target/arm/helper-mve.h
@@ -348,3 +348,10 @@ DEF_HELPER_FLAGS_4(mve_vrmlaldavhuw, TCG_CALL_NO_WG, i64, env, ptr, ptr, i64)
DEF_HELPER_FLAGS_4(mve_vrmlsldavhsw, TCG_CALL_NO_WG, i64, env, ptr, ptr, i64)
DEF_HELPER_FLAGS_4(mve_vrmlsldavhxsw, TCG_CALL_NO_WG, i64, env, ptr, ptr, i64)
+
+DEF_HELPER_FLAGS_3(mve_vaddvsb, TCG_CALL_NO_WG, i32, env, ptr, i32)
+DEF_HELPER_FLAGS_3(mve_vaddvub, TCG_CALL_NO_WG, i32, env, ptr, i32)
+DEF_HELPER_FLAGS_3(mve_vaddvsh, TCG_CALL_NO_WG, i32, env, ptr, i32)
+DEF_HELPER_FLAGS_3(mve_vaddvuh, TCG_CALL_NO_WG, i32, env, ptr, i32)
+DEF_HELPER_FLAGS_3(mve_vaddvsw, TCG_CALL_NO_WG, i32, env, ptr, i32)
+DEF_HELPER_FLAGS_3(mve_vaddvuw, TCG_CALL_NO_WG, i32, env, ptr, i32)
diff --git a/target/arm/mve.decode b/target/arm/mve.decode
index 23ae12b7a38..bfbf8cf4252 100644
--- a/target/arm/mve.decode
+++ b/target/arm/mve.decode
@@ -253,6 +253,8 @@ VBRSR 1111 1110 0 . .. ... 1 ... 1 1110 . 110 .... @2scalar
VQDMULH_scalar 1110 1110 0 . .. ... 1 ... 0 1110 . 110 .... @2scalar
VQRDMULH_scalar 1111 1110 0 . .. ... 1 ... 0 1110 . 110 .... @2scalar
+# Vector add across vector
+VADDV 111 u:1 1110 1111 size:2 01 ... 0 1111 0 0 a:1 0 qm:3 0 rda=%rdalo
# Predicate operations
%mask_22_13 22:1 13:3
diff --git a/target/arm/mve_helper.c b/target/arm/mve_helper.c
index 3477d2bb191..191eb3f58aa 100644
--- a/target/arm/mve_helper.c
+++ b/target/arm/mve_helper.c
@@ -1317,3 +1317,27 @@ DO_LDAVH(vrmlaldavhuw, 4, uint32_t, H4, false, int128_add, int128_add, int128_ma
DO_LDAVH(vrmlsldavhsw, 4, int32_t, H4, false, int128_add, int128_sub, int128_makes64)
DO_LDAVH(vrmlsldavhxsw, 4, int32_t, H4, true, int128_add, int128_sub, int128_makes64)
+
+/* Vector add across vector */
+#define DO_VADDV(OP, ESIZE, TYPE, H) \
+ uint32_t HELPER(glue(mve_, OP))(CPUARMState *env, void *vm, \
+ uint32_t ra) \
+ { \
+ uint16_t mask = mve_element_mask(env); \
+ unsigned e; \
+ TYPE *m = vm; \
+ for (e = 0; e < 16 / ESIZE; e++, mask >>= ESIZE) { \
+ if (mask & 1) { \
+ ra += m[H(e)]; \
+ } \
+ } \
+ mve_advance_vpt(env); \
+ return ra; \
+ } \
+
+DO_VADDV(vaddvsb, 1, uint8_t, H1)
+DO_VADDV(vaddvsh, 2, uint16_t, H2)
+DO_VADDV(vaddvsw, 4, uint32_t, H4)
+DO_VADDV(vaddvub, 1, uint8_t, H1)
+DO_VADDV(vaddvuh, 2, uint16_t, H2)
+DO_VADDV(vaddvuw, 4, uint32_t, H4)
diff --git a/target/arm/translate-mve.c b/target/arm/translate-mve.c
index b2020bd90b1..1794c50d0e8 100644
--- a/target/arm/translate-mve.c
+++ b/target/arm/translate-mve.c
@@ -34,6 +34,7 @@ typedef void MVEGenTwoOpFn(TCGv_ptr, TCGv_ptr, TCGv_ptr, TCGv_ptr);
typedef void MVEGenTwoOpScalarFn(TCGv_ptr, TCGv_ptr, TCGv_ptr, TCGv_i32);
typedef void MVEGenDualAccOpFn(TCGv_i64, TCGv_ptr, TCGv_ptr, TCGv_ptr, TCGv_i64);
typedef void MVEGenADCFn(TCGv_i32, TCGv_ptr, TCGv_ptr, TCGv_ptr, TCGv_ptr, TCGv_i32);
+typedef void MVEGenVADDVFn(TCGv_i32, TCGv_ptr, TCGv_ptr, TCGv_i32);
/* Return the offset of a Qn register (same semantics as aa32_vfp_qreg()) */
static inline long mve_qreg_offset(unsigned reg)
@@ -815,3 +816,50 @@ static bool trans_VSBC(DisasContext *s, arg_vadc *a)
{
return do_vadc(s, a, gen_helper_mve_vsbc, FPCR_C);
}
+
+static bool trans_VADDV(DisasContext *s, arg_VADDV *a)
+{
+ /* VADDV: vector add across vector */
+ MVEGenVADDVFn *fns[4][2] = {
+ { gen_helper_mve_vaddvsb, gen_helper_mve_vaddvub },
+ { gen_helper_mve_vaddvsh, gen_helper_mve_vaddvuh },
+ { gen_helper_mve_vaddvsw, gen_helper_mve_vaddvuw },
+ { NULL, NULL }
+ };
+ TCGv_ptr qm;
+ TCGv_i32 rda;
+
+ if (!dc_isar_feature(aa32_mve, s)) {
+ return false;
+ }
+ if (a->size == 3) {
+ return false;
+ }
+ if (!mve_eci_check(s)) {
+ return true;
+ }
+ if (!vfp_access_check(s)) {
+ return true;
+ }
+
+ /*
+ * This insn is subject to beat-wise execution. Partial execution
+ * of an A=0 (no-accumulate) insn which does not execute the first
+ * beat must start with the current value of Rda, not zero.
+ */
+ if (a->a || mve_skip_first_beat(s)) {
+ /* Accumulate input from Rda */
+ rda = load_reg(s, a->rda);
+ } else {
+ /* Accumulate starting at zero */
+ rda = tcg_const_i32(0);
+ }
+
+ qm = mve_qreg_ptr(a->qm);
+ fns[a->size][a->u](rda, cpu_env, qm, rda);
+ store_reg(s, a->rda, rda);
+ tcg_temp_free_ptr(qm);
+
+ mve_update_eci(s);
+ return true;
+}
--
2.20.1
next prev parent reply other threads:[~2021-06-07 17:56 UTC|newest]
Thread overview: 130+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-06-07 16:57 [PATCH 00/55] target/arm: First slice of MVE implementation Peter Maydell
2021-06-07 16:57 ` [PATCH 01/55] tcg: Introduce tcg_remove_ops_after Peter Maydell
2021-06-07 16:57 ` [PATCH 02/55] target/arm: Enable FPSCR.QC bit for MVE Peter Maydell
2021-06-07 19:02 ` Richard Henderson
2021-06-07 16:57 ` [PATCH 03/55] target/arm: Handle VPR semantics in existing code Peter Maydell
2021-06-07 21:19 ` Richard Henderson
2021-06-10 9:28 ` Peter Maydell
2021-06-07 16:57 ` [PATCH 04/55] target/arm: Add handling for PSR.ECI/ICI Peter Maydell
2021-06-07 23:33 ` Richard Henderson
2021-06-10 10:17 ` Peter Maydell
2021-06-10 13:39 ` Richard Henderson
2021-06-07 16:57 ` [PATCH 05/55] target/arm: Let vfp_access_check() handle late NOCP checks Peter Maydell
2021-06-07 23:50 ` Richard Henderson
2021-06-07 16:57 ` [PATCH 06/55] target/arm: Implement MVE LCTP Peter Maydell
2021-06-08 0:05 ` Richard Henderson
2021-06-07 16:57 ` [PATCH 07/55] target/arm: Implement MVE WLSTP insn Peter Maydell
2021-06-08 1:42 ` Richard Henderson
2021-06-07 16:57 ` [PATCH 08/55] target/arm: Implement MVE DLSTP Peter Maydell
2021-06-08 2:56 ` Richard Henderson
2021-06-07 16:57 ` [PATCH 09/55] target/arm: Implement MVE LETP insn Peter Maydell
2021-06-08 3:40 ` Richard Henderson
2021-06-07 16:57 ` [PATCH 10/55] target/arm: Add framework for MVE decode Peter Maydell
2021-06-08 3:59 ` Richard Henderson
2021-06-07 16:57 ` [PATCH 11/55] target/arm: Implement MVE VLDR/VSTR (non-widening forms) Peter Maydell
2021-06-08 21:33 ` Richard Henderson
2021-06-08 21:43 ` Richard Henderson
2021-06-09 10:01 ` Peter Maydell
2021-06-09 17:09 ` Richard Henderson
2021-06-10 14:01 ` Peter Maydell
2021-06-07 16:57 ` [PATCH 12/55] target/arm: Implement widening/narrowing MVE VLDR/VSTR insns Peter Maydell
2021-06-08 21:46 ` Richard Henderson
2021-06-07 16:57 ` [PATCH 13/55] target/arm: Implement MVE VCLZ Peter Maydell
2021-06-08 22:10 ` Richard Henderson
2021-06-10 12:40 ` Peter Maydell
2021-06-10 14:03 ` Richard Henderson
2021-06-07 16:57 ` [PATCH 14/55] target/arm: Implement MVE VCLS Peter Maydell
2021-06-08 22:12 ` Richard Henderson
2021-06-07 16:57 ` [PATCH 15/55] bitops.h: Provide hswap32(), hswap64(), wswap64() swapping operations Peter Maydell
2021-06-08 6:53 ` Philippe Mathieu-Daudé
2021-06-08 22:14 ` Richard Henderson
2021-06-07 16:57 ` [PATCH 16/55] target/arm: Implement MVE VREV16, VREV32, VREV64 Peter Maydell
2021-06-08 22:23 ` Richard Henderson
2021-06-07 16:57 ` [PATCH 17/55] target/arm: Implement MVE VMVN (register) Peter Maydell
2021-06-08 22:27 ` Richard Henderson
2021-06-07 16:57 ` [PATCH 18/55] target/arm: Implement MVE VABS Peter Maydell
2021-06-08 22:34 ` Richard Henderson
2021-06-07 16:57 ` [PATCH 19/55] target/arm: Implement MVE VNEG Peter Maydell
2021-06-08 22:40 ` Richard Henderson
2021-06-07 16:57 ` [PATCH 20/55] target/arm: Implement MVE VDUP Peter Maydell
2021-06-08 23:17 ` Richard Henderson
2021-06-09 10:06 ` Peter Maydell
2021-06-09 17:16 ` Richard Henderson
2021-06-07 16:57 ` [PATCH 21/55] target/arm: Implement MVE VAND, VBIC, VORR, VORN, VEOR Peter Maydell
2021-06-08 23:23 ` Richard Henderson
2021-06-07 16:57 ` [PATCH 22/55] target/arm: Implement MVE VADD, VSUB, VMUL Peter Maydell
2021-06-08 23:25 ` Richard Henderson
2021-06-07 16:57 ` [PATCH 23/55] target/arm: Implement MVE VMULH Peter Maydell
2021-06-08 23:29 ` Richard Henderson
2021-06-07 16:57 ` [PATCH 24/55] target/arm: Implement MVE VRMULH Peter Maydell
2021-06-08 23:33 ` Richard Henderson
2021-06-07 16:57 ` [PATCH 25/55] target/arm: Implement MVE VMAX, VMIN Peter Maydell
2021-06-08 23:35 ` Richard Henderson
2021-06-07 16:57 ` [PATCH 26/55] target/arm: Implement MVE VABD Peter Maydell
2021-06-08 23:39 ` Richard Henderson
2021-06-07 16:57 ` [PATCH 27/55] target/arm: Implement MVE VHADD, VHSUB Peter Maydell
2021-06-08 23:43 ` Richard Henderson
2021-06-07 16:57 ` [PATCH 28/55] target/arm: Implement MVE VMULL Peter Maydell
2021-06-08 23:52 ` Richard Henderson
2021-06-07 16:57 ` [PATCH 29/55] target/arm: Implement MVE VMLALDAV Peter Maydell
2021-06-09 0:46 ` Richard Henderson
2021-06-09 0:46 ` Richard Henderson
2021-06-07 16:57 ` [PATCH 30/55] target/arm: Implement MVE VMLSLDAV Peter Maydell
2021-06-09 0:47 ` Richard Henderson
2021-06-07 16:57 ` [PATCH 31/55] include/qemu/int128.h: Add function to create Int128 from int64_t Peter Maydell
2021-06-08 6:45 ` Philippe Mathieu-Daudé
2021-06-09 0:51 ` Richard Henderson
2021-06-07 16:57 ` [PATCH 32/55] target/arm: Implement MVE VRMLALDAVH, VRMLSLDAVH Peter Maydell
2021-06-09 1:05 ` Richard Henderson
2021-06-14 10:19 ` Peter Maydell
2021-06-07 16:57 ` [PATCH 33/55] target/arm: Implement MVE VADD (scalar) Peter Maydell
2021-06-09 17:58 ` Richard Henderson
2021-06-07 16:58 ` [PATCH 34/55] target/arm: Implement MVE VSUB, VMUL (scalar) Peter Maydell
2021-06-09 18:00 ` Richard Henderson
2021-06-07 16:58 ` [PATCH 35/55] target/arm: Implement MVE VHADD, VHSUB (scalar) Peter Maydell
2021-06-09 18:02 ` Richard Henderson
2021-06-07 16:58 ` [PATCH 36/55] target/arm: Implement MVE VBRSR Peter Maydell
2021-06-09 18:08 ` Richard Henderson
2021-06-07 16:58 ` [PATCH 37/55] target/arm: Implement MVE VPST Peter Maydell
2021-06-09 18:23 ` Richard Henderson
2021-06-07 16:58 ` [PATCH 38/55] target/arm: Implement MVE VQADD and VQSUB Peter Maydell
2021-06-09 18:46 ` Richard Henderson
2021-06-07 16:58 ` [PATCH 39/55] target/arm: Implement MVE VQDMULH and VQRDMULH (scalar) Peter Maydell
2021-06-09 18:58 ` Richard Henderson
2021-06-07 16:58 ` [PATCH 40/55] target/arm: Implement MVE VQDMULL scalar Peter Maydell
2021-06-09 19:11 ` Richard Henderson
2021-06-07 16:58 ` [PATCH 41/55] target/arm: Implement MVE VQDMULH, VQRDMULH (vector) Peter Maydell
2021-06-09 19:13 ` Richard Henderson
2021-06-07 16:58 ` [PATCH 42/55] target/arm: Implement MVE VQADD, VQSUB (vector) Peter Maydell
2021-06-09 19:15 ` Richard Henderson
2021-06-07 16:58 ` [PATCH 43/55] target/arm: Implement MVE VQSHL (vector) Peter Maydell
2021-06-09 19:26 ` Richard Henderson
2021-06-14 11:04 ` Peter Maydell
2021-06-07 16:58 ` [PATCH 44/55] target/arm: Implement MVE VQRSHL Peter Maydell
2021-06-09 19:29 ` Richard Henderson
2021-06-07 16:58 ` [PATCH 45/55] target/arm: Implement MVE VSHL insn Peter Maydell
2021-06-09 19:40 ` Richard Henderson
2021-06-07 16:58 ` [PATCH 46/55] target/arm: Implement MVE VRSHL Peter Maydell
2021-06-09 19:43 ` Richard Henderson
2021-06-07 16:58 ` [PATCH 47/55] target/arm: Implement MVE VQDMLADH and VQRDMLADH Peter Maydell
2021-06-09 20:05 ` Richard Henderson
2021-06-07 16:58 ` [PATCH 48/55] target/arm: Implement MVE VQDMLSDH and VQRDMLSDH Peter Maydell
2021-06-09 20:08 ` Richard Henderson
2021-06-07 16:58 ` [PATCH 49/55] target/arm: Implement MVE VQDMULL (vector) Peter Maydell
2021-06-09 20:20 ` Richard Henderson
2021-06-10 19:08 ` Peter Maydell
2021-06-10 19:34 ` Richard Henderson
2021-06-07 16:58 ` [PATCH 50/55] target/arm: Implement MVE VRHADD Peter Maydell
2021-06-09 20:24 ` Richard Henderson
2021-06-07 16:58 ` [PATCH 51/55] target/arm: Implement MVE VADC, VSBC Peter Maydell
2021-06-09 21:06 ` Richard Henderson
2021-06-07 16:58 ` [PATCH 52/55] target/arm: Implement MVE VCADD Peter Maydell
2021-06-09 21:16 ` Richard Henderson
2021-06-10 19:16 ` Peter Maydell
2021-06-07 16:58 ` [PATCH 53/55] target/arm: Implement MVE VHCADD Peter Maydell
2021-06-10 3:50 ` Richard Henderson
2021-06-07 16:58 ` Peter Maydell [this message]
2021-06-10 14:06 ` [PATCH 54/55] target/arm: Implement MVE VADDV Richard Henderson
2021-06-07 16:58 ` [PATCH 55/55] target/arm: Make VMOV scalar <-> gpreg beatwise for MVE Peter Maydell
2021-06-10 14:14 ` Richard Henderson
2021-06-09 14:33 ` [PATCH 00/55] target/arm: First slice of MVE implementation no-reply
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