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 48/55] target/arm: Implement MVE VQDMLSDH and VQRDMLSDH
Date: Mon, 7 Jun 2021 17:58:14 +0100 [thread overview]
Message-ID: <20210607165821.9892-49-peter.maydell@linaro.org> (raw)
In-Reply-To: <20210607165821.9892-1-peter.maydell@linaro.org>
Implement the MVE VQDMLSDH and VQRDMLSDH insns, which are
like VQDMLADH and VQRDMLADH except that products are subtracted
rather than added.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
target/arm/helper-mve.h | 16 ++++++++++++++
target/arm/mve.decode | 5 +++++
target/arm/mve_helper.c | 44 ++++++++++++++++++++++++++++++++++++++
target/arm/translate-mve.c | 4 ++++
4 files changed, 69 insertions(+)
diff --git a/target/arm/helper-mve.h b/target/arm/helper-mve.h
index c62066d94aa..e25299b229e 100644
--- a/target/arm/helper-mve.h
+++ b/target/arm/helper-mve.h
@@ -219,6 +219,22 @@ DEF_HELPER_FLAGS_4(mve_vqrdmladhxb, TCG_CALL_NO_WG, void, env, ptr, ptr, ptr)
DEF_HELPER_FLAGS_4(mve_vqrdmladhxh, TCG_CALL_NO_WG, void, env, ptr, ptr, ptr)
DEF_HELPER_FLAGS_4(mve_vqrdmladhxw, TCG_CALL_NO_WG, void, env, ptr, ptr, ptr)
+DEF_HELPER_FLAGS_4(mve_vqdmlsdhb, TCG_CALL_NO_WG, void, env, ptr, ptr, ptr)
+DEF_HELPER_FLAGS_4(mve_vqdmlsdhh, TCG_CALL_NO_WG, void, env, ptr, ptr, ptr)
+DEF_HELPER_FLAGS_4(mve_vqdmlsdhw, TCG_CALL_NO_WG, void, env, ptr, ptr, ptr)
+
+DEF_HELPER_FLAGS_4(mve_vqdmlsdhxb, TCG_CALL_NO_WG, void, env, ptr, ptr, ptr)
+DEF_HELPER_FLAGS_4(mve_vqdmlsdhxh, TCG_CALL_NO_WG, void, env, ptr, ptr, ptr)
+DEF_HELPER_FLAGS_4(mve_vqdmlsdhxw, TCG_CALL_NO_WG, void, env, ptr, ptr, ptr)
+
+DEF_HELPER_FLAGS_4(mve_vqrdmlsdhb, TCG_CALL_NO_WG, void, env, ptr, ptr, ptr)
+DEF_HELPER_FLAGS_4(mve_vqrdmlsdhh, TCG_CALL_NO_WG, void, env, ptr, ptr, ptr)
+DEF_HELPER_FLAGS_4(mve_vqrdmlsdhw, TCG_CALL_NO_WG, void, env, ptr, ptr, ptr)
+
+DEF_HELPER_FLAGS_4(mve_vqrdmlsdhxb, TCG_CALL_NO_WG, void, env, ptr, ptr, ptr)
+DEF_HELPER_FLAGS_4(mve_vqrdmlsdhxh, TCG_CALL_NO_WG, void, env, ptr, ptr, ptr)
+DEF_HELPER_FLAGS_4(mve_vqrdmlsdhxw, TCG_CALL_NO_WG, void, env, ptr, ptr, ptr)
+
DEF_HELPER_FLAGS_4(mve_vadd_scalarb, TCG_CALL_NO_WG, void, env, ptr, ptr, i32)
DEF_HELPER_FLAGS_4(mve_vadd_scalarh, TCG_CALL_NO_WG, void, env, ptr, ptr, i32)
DEF_HELPER_FLAGS_4(mve_vadd_scalarw, TCG_CALL_NO_WG, void, env, ptr, ptr, i32)
diff --git a/target/arm/mve.decode b/target/arm/mve.decode
index d267c8838eb..fa4fb1b2038 100644
--- a/target/arm/mve.decode
+++ b/target/arm/mve.decode
@@ -147,6 +147,11 @@ VQDMLADHX 1110 1110 0 . .. ... 0 ... 1 1110 . 0 . 0 ... 0 @2op
VQRDMLADH 1110 1110 0 . .. ... 0 ... 0 1110 . 0 . 0 ... 1 @2op
VQRDMLADHX 1110 1110 0 . .. ... 0 ... 1 1110 . 0 . 0 ... 1 @2op
+VQDMLSDH 1111 1110 0 . .. ... 0 ... 0 1110 . 0 . 0 ... 0 @2op
+VQDMLSDHX 1111 1110 0 . .. ... 0 ... 1 1110 . 0 . 0 ... 0 @2op
+VQRDMLSDH 1111 1110 0 . .. ... 0 ... 0 1110 . 0 . 0 ... 1 @2op
+VQRDMLSDHX 1111 1110 0 . .. ... 0 ... 1 1110 . 0 . 0 ... 1 @2op
+
# Vector miscellaneous
VCLS 1111 1111 1 . 11 .. 00 ... 0 0100 01 . 0 ... 0 @1op
diff --git a/target/arm/mve_helper.c b/target/arm/mve_helper.c
index 03701d32dcb..ed0da8097dc 100644
--- a/target/arm/mve_helper.c
+++ b/target/arm/mve_helper.c
@@ -903,6 +903,36 @@ static int32_t do_vqdmladh_w(int32_t a, int32_t b, int32_t c, int32_t d,
return r >> 32;
}
+static int8_t do_vqdmlsdh_b(int8_t a, int8_t b, int8_t c, int8_t d,
+ int round, bool *sat)
+{
+ int64_t r = ((int64_t)a * b - (int64_t)c * d) * 2 + (round << 7);
+ return do_sat_bhw(r, INT16_MIN, INT16_MAX, sat) >> 8;
+}
+
+static int16_t do_vqdmlsdh_h(int16_t a, int16_t b, int16_t c, int16_t d,
+ int round, bool *sat)
+{
+ int64_t r = ((int64_t)a * b - (int64_t)c * d) * 2 + (round << 15);
+ return do_sat_bhw(r, INT32_MIN, INT32_MAX, sat) >> 16;
+}
+
+static int32_t do_vqdmlsdh_w(int32_t a, int32_t b, int32_t c, int32_t d,
+ int round, bool *sat)
+{
+ int64_t m1 = (int64_t)a * b;
+ int64_t m2 = (int64_t)c * d;
+ int64_t r;
+ /* The same ordering issue as in do_vqdmladh_w applies here too */
+ if (ssub64_overflow(m1, m2, &r) ||
+ sadd64_overflow(r, (round << 30), &r) ||
+ sadd64_overflow(r, r, &r)) {
+ *sat = true;
+ return r < 0 ? INT32_MAX : INT32_MIN;
+ }
+ return r >> 32;
+}
+
DO_VQDMLADH_OP(vqdmladhb, 1, int8_t, H1, 0, 0, do_vqdmladh_b)
DO_VQDMLADH_OP(vqdmladhh, 2, int16_t, H2, 0, 0, do_vqdmladh_h)
DO_VQDMLADH_OP(vqdmladhw, 4, int32_t, H4, 0, 0, do_vqdmladh_w)
@@ -917,6 +947,20 @@ DO_VQDMLADH_OP(vqrdmladhxb, 1, int8_t, H1, 1, 1, do_vqdmladh_b)
DO_VQDMLADH_OP(vqrdmladhxh, 2, int16_t, H2, 1, 1, do_vqdmladh_h)
DO_VQDMLADH_OP(vqrdmladhxw, 4, int32_t, H4, 1, 1, do_vqdmladh_w)
+DO_VQDMLADH_OP(vqdmlsdhb, 1, int8_t, H1, 0, 0, do_vqdmlsdh_b)
+DO_VQDMLADH_OP(vqdmlsdhh, 2, int16_t, H2, 0, 0, do_vqdmlsdh_h)
+DO_VQDMLADH_OP(vqdmlsdhw, 4, int32_t, H4, 0, 0, do_vqdmlsdh_w)
+DO_VQDMLADH_OP(vqdmlsdhxb, 1, int8_t, H1, 1, 0, do_vqdmlsdh_b)
+DO_VQDMLADH_OP(vqdmlsdhxh, 2, int16_t, H2, 1, 0, do_vqdmlsdh_h)
+DO_VQDMLADH_OP(vqdmlsdhxw, 4, int32_t, H4, 1, 0, do_vqdmlsdh_w)
+
+DO_VQDMLADH_OP(vqrdmlsdhb, 1, int8_t, H1, 0, 1, do_vqdmlsdh_b)
+DO_VQDMLADH_OP(vqrdmlsdhh, 2, int16_t, H2, 0, 1, do_vqdmlsdh_h)
+DO_VQDMLADH_OP(vqrdmlsdhw, 4, int32_t, H4, 0, 1, do_vqdmlsdh_w)
+DO_VQDMLADH_OP(vqrdmlsdhxb, 1, int8_t, H1, 1, 1, do_vqdmlsdh_b)
+DO_VQDMLADH_OP(vqrdmlsdhxh, 2, int16_t, H2, 1, 1, do_vqdmlsdh_h)
+DO_VQDMLADH_OP(vqrdmlsdhxw, 4, int32_t, H4, 1, 1, do_vqdmlsdh_w)
+
#define DO_2OP_SCALAR(OP, ESIZE, TYPE, H, FN) \
void HELPER(glue(mve_, OP))(CPUARMState *env, void *vd, void *vn, \
uint32_t rm) \
diff --git a/target/arm/translate-mve.c b/target/arm/translate-mve.c
index 7c25802bf53..0048aec1e9e 100644
--- a/target/arm/translate-mve.c
+++ b/target/arm/translate-mve.c
@@ -433,6 +433,10 @@ DO_2OP(VQDMLADH, vqdmladh)
DO_2OP(VQDMLADHX, vqdmladhx)
DO_2OP(VQRDMLADH, vqrdmladh)
DO_2OP(VQRDMLADHX, vqrdmladhx)
+DO_2OP(VQDMLSDH, vqdmlsdh)
+DO_2OP(VQDMLSDHX, vqdmlsdhx)
+DO_2OP(VQRDMLSDH, vqrdmlsdh)
+DO_2OP(VQRDMLSDHX, vqrdmlsdhx)
static bool do_2op_scalar(DisasContext *s, arg_2scalar *a,
MVEGenTwoOpScalarFn fn)
--
2.20.1
next prev parent reply other threads:[~2021-06-07 17:33 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 ` Peter Maydell [this message]
2021-06-09 20:08 ` [PATCH 48/55] target/arm: Implement MVE VQDMLSDH and VQRDMLSDH 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 ` [PATCH 54/55] target/arm: Implement MVE VADDV Peter Maydell
2021-06-10 14:06 ` 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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