From: Peter Maydell <peter.maydell@linaro.org>
To: qemu-arm@nongnu.org, qemu-devel@nongnu.org
Subject: [PATCH for-6.2 40/53] target/arm: Implement MVE VCMUL and VCMLA
Date: Thu, 29 Jul 2021 12:14:59 +0100 [thread overview]
Message-ID: <20210729111512.16541-41-peter.maydell@linaro.org> (raw)
In-Reply-To: <20210729111512.16541-1-peter.maydell@linaro.org>
Implement the MVE VCMUL and VCMLA insns.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
target/arm/helper-mve.h | 18 ++++++++
target/arm/mve.decode | 35 ++++++++++++----
target/arm/mve_helper.c | 86 ++++++++++++++++++++++++++++++++++++++
target/arm/translate-mve.c | 8 ++++
4 files changed, 139 insertions(+), 8 deletions(-)
diff --git a/target/arm/helper-mve.h b/target/arm/helper-mve.h
index c230610d25c..73950403bc3 100644
--- a/target/arm/helper-mve.h
+++ b/target/arm/helper-mve.h
@@ -440,6 +440,24 @@ DEF_HELPER_FLAGS_4(mve_vfmas, TCG_CALL_NO_WG, void, env, ptr, ptr, ptr)
DEF_HELPER_FLAGS_4(mve_vfmsh, TCG_CALL_NO_WG, void, env, ptr, ptr, ptr)
DEF_HELPER_FLAGS_4(mve_vfmss, TCG_CALL_NO_WG, void, env, ptr, ptr, ptr)
+DEF_HELPER_FLAGS_4(mve_vcmul0h, TCG_CALL_NO_WG, void, env, ptr, ptr, ptr)
+DEF_HELPER_FLAGS_4(mve_vcmul0s, TCG_CALL_NO_WG, void, env, ptr, ptr, ptr)
+DEF_HELPER_FLAGS_4(mve_vcmul90h, TCG_CALL_NO_WG, void, env, ptr, ptr, ptr)
+DEF_HELPER_FLAGS_4(mve_vcmul90s, TCG_CALL_NO_WG, void, env, ptr, ptr, ptr)
+DEF_HELPER_FLAGS_4(mve_vcmul180h, TCG_CALL_NO_WG, void, env, ptr, ptr, ptr)
+DEF_HELPER_FLAGS_4(mve_vcmul180s, TCG_CALL_NO_WG, void, env, ptr, ptr, ptr)
+DEF_HELPER_FLAGS_4(mve_vcmul270h, TCG_CALL_NO_WG, void, env, ptr, ptr, ptr)
+DEF_HELPER_FLAGS_4(mve_vcmul270s, TCG_CALL_NO_WG, void, env, ptr, ptr, ptr)
+
+DEF_HELPER_FLAGS_4(mve_vcmla0h, TCG_CALL_NO_WG, void, env, ptr, ptr, ptr)
+DEF_HELPER_FLAGS_4(mve_vcmla0s, TCG_CALL_NO_WG, void, env, ptr, ptr, ptr)
+DEF_HELPER_FLAGS_4(mve_vcmla90h, TCG_CALL_NO_WG, void, env, ptr, ptr, ptr)
+DEF_HELPER_FLAGS_4(mve_vcmla90s, TCG_CALL_NO_WG, void, env, ptr, ptr, ptr)
+DEF_HELPER_FLAGS_4(mve_vcmla180h, TCG_CALL_NO_WG, void, env, ptr, ptr, ptr)
+DEF_HELPER_FLAGS_4(mve_vcmla180s, TCG_CALL_NO_WG, void, env, ptr, ptr, ptr)
+DEF_HELPER_FLAGS_4(mve_vcmla270h, TCG_CALL_NO_WG, void, env, ptr, ptr, ptr)
+DEF_HELPER_FLAGS_4(mve_vcmla270s, 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 3a2056f6b34..403381eef61 100644
--- a/target/arm/mve.decode
+++ b/target/arm/mve.decode
@@ -286,15 +286,29 @@ VQSHL_U 111 1 1111 0 . .. ... 0 ... 0 0100 . 1 . 1 ... 0 @2op_rev
VQRSHL_S 111 0 1111 0 . .. ... 0 ... 0 0101 . 1 . 1 ... 0 @2op_rev
VQRSHL_U 111 1 1111 0 . .. ... 0 ... 0 0101 . 1 . 1 ... 0 @2op_rev
-VQDMLADH 1110 1110 0 . .. ... 0 ... 0 1110 . 0 . 0 ... 0 @2op
-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
+{
+ VCMUL0 111 . 1110 0 . 11 ... 0 ... 0 1110 . 0 . 0 ... 0 @2op_sz28
+ VQDMLADH 1110 1110 0 . .. ... 0 ... 0 1110 . 0 . 0 ... 0 @2op
+ VQDMLSDH 1111 1110 0 . .. ... 0 ... 0 1110 . 0 . 0 ... 0 @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
+{
+ VCMUL180 111 . 1110 0 . 11 ... 0 ... 1 1110 . 0 . 0 ... 0 @2op_sz28
+ VQDMLADHX 111 0 1110 0 . .. ... 0 ... 1 1110 . 0 . 0 ... 0 @2op
+ VQDMLSDHX 111 1 1110 0 . .. ... 0 ... 1 1110 . 0 . 0 ... 0 @2op
+}
+
+{
+ VCMUL90 111 . 1110 0 . 11 ... 0 ... 0 1110 . 0 . 0 ... 1 @2op_sz28
+ VQRDMLADH 111 0 1110 0 . .. ... 0 ... 0 1110 . 0 . 0 ... 1 @2op
+ VQRDMLSDH 111 1 1110 0 . .. ... 0 ... 0 1110 . 0 . 0 ... 1 @2op
+}
+
+{
+ VCMUL270 111 . 1110 0 . 11 ... 0 ... 1 1110 . 0 . 0 ... 1 @2op_sz28
+ VQRDMLADHX 111 0 1110 0 . .. ... 0 ... 1 1110 . 0 . 0 ... 1 @2op
+ VQRDMLSDHX 111 1 1110 0 . .. ... 0 ... 1 1110 . 0 . 0 ... 1 @2op
+}
VQDMULLB 111 . 1110 0 . 11 ... 0 ... 0 1111 . 0 . 0 ... 1 @2op_sz28
VQDMULLT 111 . 1110 0 . 11 ... 0 ... 1 1111 . 0 . 0 ... 1 @2op_sz28
@@ -642,3 +656,8 @@ VCADD270_fp 1111 1101 1 . 0 . ... 0 ... 0 1000 . 1 . 0 ... 0 @2op_fp_size_
VFMA 1110 1111 0 . 0 . ... 0 ... 0 1100 . 1 . 1 ... 0 @2op_fp
VFMS 1110 1111 0 . 1 . ... 0 ... 0 1100 . 1 . 1 ... 0 @2op_fp
+
+VCMLA0 1111 110 00 . 1 . ... 0 ... 0 1000 . 1 . 0 ... 0 @2op_fp_size_rev
+VCMLA90 1111 110 01 . 1 . ... 0 ... 0 1000 . 1 . 0 ... 0 @2op_fp_size_rev
+VCMLA180 1111 110 10 . 1 . ... 0 ... 0 1000 . 1 . 0 ... 0 @2op_fp_size_rev
+VCMLA270 1111 110 11 . 1 . ... 0 ... 0 1000 . 1 . 0 ... 0 @2op_fp_size_rev
diff --git a/target/arm/mve_helper.c b/target/arm/mve_helper.c
index 0146137d18f..489892344b4 100644
--- a/target/arm/mve_helper.c
+++ b/target/arm/mve_helper.c
@@ -2935,3 +2935,89 @@ DO_VFMA(vfmah, 2, uint16_t, float16_muladd)
DO_VFMA(vfmas, 4, uint32_t, float32_muladd)
DO_VFMA(vfmsh, 2, uint16_t, DO_VFMS16)
DO_VFMA(vfmss, 4, uint32_t, DO_VFMS32)
+
+#define DO_VCMLA(OP, ESIZE, TYPE, ROT, CHS, FN) \
+ void HELPER(glue(mve_, OP))(CPUARMState *env, \
+ void *vd, void *vn, void *vm) \
+ { \
+ TYPE *d = vd, *n = vn, *m = vm; \
+ TYPE r0, r1, e1, e2, e3, e4; \
+ uint16_t mask = mve_element_mask(env); \
+ unsigned e; \
+ float_status *fpst0, *fpst1; \
+ float_status scratch_fpst; \
+ /* We loop through pairs of elements at a time */ \
+ for (e = 0; e < 16 / ESIZE; e += 2, mask >>= ESIZE * 2) { \
+ if ((mask & MAKE_64BIT_MASK(0, ESIZE * 2)) == 0) { \
+ continue; \
+ } \
+ fpst0 = (ESIZE == 2) ? &env->vfp.standard_fp_status_f16 : \
+ &env->vfp.standard_fp_status; \
+ fpst1 = fpst0; \
+ if (!(mask & 1)) { \
+ scratch_fpst = *fpst0; \
+ fpst0 = &scratch_fpst; \
+ } \
+ if (!(mask & (1 << ESIZE))) { \
+ scratch_fpst = *fpst1; \
+ fpst1 = &scratch_fpst; \
+ } \
+ switch (ROT) { \
+ case 0: \
+ e1 = m[H##ESIZE(e)]; \
+ e2 = n[H##ESIZE(e)]; \
+ e3 = m[H##ESIZE(e + 1)]; \
+ e4 = n[H##ESIZE(e)]; \
+ break; \
+ case 1: \
+ e1 = CHS(m[H##ESIZE(e + 1)]); \
+ e2 = n[H##ESIZE(e + 1)]; \
+ e3 = m[H##ESIZE(e)]; \
+ e4 = n[H##ESIZE(e + 1)]; \
+ break; \
+ case 2: \
+ e1 = CHS(m[H##ESIZE(e)]); \
+ e2 = n[H##ESIZE(e)]; \
+ e3 = CHS(m[H##ESIZE(e + 1)]); \
+ e4 = n[H##ESIZE(e)]; \
+ break; \
+ case 3: \
+ e1 = m[H##ESIZE(e + 1)]; \
+ e2 = n[H##ESIZE(e + 1)]; \
+ e3 = CHS(m[H##ESIZE(e)]); \
+ e4 = n[H##ESIZE(e + 1)]; \
+ break; \
+ default: \
+ g_assert_not_reached(); \
+ } \
+ r0 = FN(e2, e1, d[H##ESIZE(e)], fpst0); \
+ r1 = FN(e4, e3, d[H##ESIZE(e + 1)], fpst1); \
+ mergemask(&d[H##ESIZE(e)], r0, mask); \
+ mergemask(&d[H##ESIZE(e + 1)], r1, mask >> ESIZE); \
+ } \
+ mve_advance_vpt(env); \
+ }
+
+#define DO_VCMULH(N, M, D, S) float16_mul(N, M, S)
+#define DO_VCMULS(N, M, D, S) float32_mul(N, M, S)
+
+#define DO_VCMLAH(N, M, D, S) float16_muladd(N, M, D, 0, S)
+#define DO_VCMLAS(N, M, D, S) float32_muladd(N, M, D, 0, S)
+
+DO_VCMLA(vcmul0h, 2, uint16_t, 0, float16_chs, DO_VCMULH)
+DO_VCMLA(vcmul0s, 4, uint32_t, 0, float32_chs, DO_VCMULS)
+DO_VCMLA(vcmul90h, 2, uint16_t, 1, float16_chs, DO_VCMULH)
+DO_VCMLA(vcmul90s, 4, uint32_t, 1, float32_chs, DO_VCMULS)
+DO_VCMLA(vcmul180h, 2, uint16_t, 2, float16_chs, DO_VCMULH)
+DO_VCMLA(vcmul180s, 4, uint32_t, 2, float32_chs, DO_VCMULS)
+DO_VCMLA(vcmul270h, 2, uint16_t, 3, float16_chs, DO_VCMULH)
+DO_VCMLA(vcmul270s, 4, uint32_t, 3, float32_chs, DO_VCMULS)
+
+DO_VCMLA(vcmla0h, 2, uint16_t, 0, float16_chs, DO_VCMLAH)
+DO_VCMLA(vcmla0s, 4, uint32_t, 0, float32_chs, DO_VCMLAS)
+DO_VCMLA(vcmla90h, 2, uint16_t, 1, float16_chs, DO_VCMLAH)
+DO_VCMLA(vcmla90s, 4, uint32_t, 1, float32_chs, DO_VCMLAS)
+DO_VCMLA(vcmla180h, 2, uint16_t, 2, float16_chs, DO_VCMLAH)
+DO_VCMLA(vcmla180s, 4, uint32_t, 2, float32_chs, DO_VCMLAS)
+DO_VCMLA(vcmla270h, 2, uint16_t, 3, float16_chs, DO_VCMLAH)
+DO_VCMLA(vcmla270s, 4, uint32_t, 3, float32_chs, DO_VCMLAS)
diff --git a/target/arm/translate-mve.c b/target/arm/translate-mve.c
index d61abc6d46f..d62ed1fc295 100644
--- a/target/arm/translate-mve.c
+++ b/target/arm/translate-mve.c
@@ -856,6 +856,14 @@ DO_2OP_FP(VCADD90_fp, vfcadd90)
DO_2OP_FP(VCADD270_fp, vfcadd270)
DO_2OP_FP(VFMA, vfma)
DO_2OP_FP(VFMS, vfms)
+DO_2OP_FP(VCMUL0, vcmul0)
+DO_2OP_FP(VCMUL90, vcmul90)
+DO_2OP_FP(VCMUL180, vcmul180)
+DO_2OP_FP(VCMUL270, vcmul270)
+DO_2OP_FP(VCMLA0, vcmla0)
+DO_2OP_FP(VCMLA90, vcmla90)
+DO_2OP_FP(VCMLA180, vcmla180)
+DO_2OP_FP(VCMLA270, vcmla270)
static bool do_2op_scalar(DisasContext *s, arg_2scalar *a,
MVEGenTwoOpScalarFn fn)
--
2.20.1
next prev parent reply other threads:[~2021-07-29 11:46 UTC|newest]
Thread overview: 80+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-07-29 11:14 [PATCH for-6.2 00/53] target/arm: MVE slices 3 and 4 Peter Maydell
2021-07-29 11:14 ` [PATCH for-6.2 01/53] target/arm: Note that we handle VMOVL as a special case of VSHLL Peter Maydell
2021-07-29 11:14 ` [PATCH for-6.2 02/53] target/arm: Print MVE VPR in CPU dumps Peter Maydell
2021-07-29 11:14 ` [PATCH for-6.2 03/53] target/arm: Fix MVE VSLI by 0 and VSRI by <dt> Peter Maydell
2021-07-30 18:56 ` Richard Henderson
2021-07-29 11:14 ` [PATCH for-6.2 04/53] target/arm: Fix signed VADDV Peter Maydell
2021-07-29 11:14 ` [PATCH for-6.2 05/53] target/arm: Fix mask handling for MVE narrowing operations Peter Maydell
2021-07-29 11:14 ` [PATCH for-6.2 06/53] target/arm: Fix 48-bit saturating shifts Peter Maydell
2021-07-29 11:14 ` [PATCH for-6.2 07/53] target/arm: Fix MVE 48-bit SQRSHRL for small right shifts Peter Maydell
2021-07-30 19:07 ` Richard Henderson
2021-08-12 9:43 ` Peter Maydell
2021-07-29 11:14 ` [PATCH for-6.2 08/53] target/arm: Fix calculation of LTP mask when LR is 0 Peter Maydell
2021-07-29 11:14 ` [PATCH for-6.2 09/53] target/arm: Factor out mve_eci_mask() Peter Maydell
2021-07-29 11:14 ` [PATCH for-6.2 10/53] target/arm: Fix VPT advance when ECI is non-zero Peter Maydell
2021-07-30 19:14 ` Richard Henderson
2021-07-29 11:14 ` [PATCH for-6.2 11/53] target/arm: Fix VLDRB/H/W for predicated elements Peter Maydell
2021-07-29 11:14 ` [PATCH for-6.2 12/53] target/arm: Implement MVE VMULL (polynomial) Peter Maydell
2021-07-29 11:14 ` [PATCH for-6.2 13/53] target/arm: Implement MVE incrementing/decrementing dup insns Peter Maydell
2021-07-29 11:14 ` [PATCH for-6.2 14/53] target/arm: Factor out gen_vpst() Peter Maydell
2021-07-29 11:14 ` [PATCH for-6.2 15/53] target/arm: Implement MVE integer vector comparisons Peter Maydell
2021-07-29 11:14 ` [PATCH for-6.2 16/53] target/arm: Implement MVE integer vector-vs-scalar comparisons Peter Maydell
2021-07-29 11:14 ` [PATCH for-6.2 17/53] target/arm: Implement MVE VPSEL Peter Maydell
2021-07-29 11:14 ` [PATCH for-6.2 18/53] target/arm: Implement MVE VMLAS Peter Maydell
2021-07-29 11:14 ` [PATCH for-6.2 19/53] target/arm: Implement MVE shift-by-scalar Peter Maydell
2021-07-29 11:14 ` [PATCH for-6.2 20/53] target/arm: Move 'x' and 'a' bit definitions into vmlaldav formats Peter Maydell
2021-07-29 11:14 ` [PATCH for-6.2 21/53] target/arm: Implement MVE integer min/max across vector Peter Maydell
2021-07-30 19:15 ` Richard Henderson
2021-07-29 11:14 ` [PATCH for-6.2 22/53] target/arm: Implement MVE VABAV Peter Maydell
2021-07-29 11:14 ` [PATCH for-6.2 23/53] target/arm: Implement MVE narrowing moves Peter Maydell
2021-07-29 11:14 ` [PATCH for-6.2 24/53] target/arm: Rename MVEGenDualAccOpFn to MVEGenLongDualAccOpFn Peter Maydell
2021-07-29 11:14 ` [PATCH for-6.2 25/53] target/arm: Implement MVE VMLADAV and VMLSLDAV Peter Maydell
2021-07-29 11:14 ` [PATCH for-6.2 26/53] target/arm: Implement MVE VMLA Peter Maydell
2021-07-30 19:18 ` Richard Henderson
2021-07-29 11:14 ` [PATCH for-6.2 27/53] target/arm: Implement MVE saturating doubling multiply accumulates Peter Maydell
2021-07-29 11:14 ` [PATCH for-6.2 28/53] target/arm: Implement MVE VQABS, VQNEG Peter Maydell
2021-07-29 11:14 ` [PATCH for-6.2 29/53] target/arm: Implement MVE VMAXA, VMINA Peter Maydell
2021-07-29 11:14 ` [PATCH for-6.2 30/53] target/arm: Implement MVE VMOV to/from 2 general-purpose registers Peter Maydell
2021-07-29 11:14 ` [PATCH for-6.2 31/53] target/arm: Implement MVE VPNOT Peter Maydell
2021-07-29 11:14 ` [PATCH for-6.2 32/53] target/arm: Implement MVE VCTP Peter Maydell
2021-07-29 11:14 ` [PATCH for-6.2 33/53] target/arm: Implement MVE scatter-gather insns Peter Maydell
2021-07-29 11:14 ` [PATCH for-6.2 34/53] target/arm: Implement MVE scatter-gather immediate forms Peter Maydell
2021-07-29 11:14 ` [PATCH for-6.2 35/53] target/arm: Implement MVE interleaving loads/stores Peter Maydell
2021-07-29 11:14 ` [PATCH for-6.2 36/53] target/arm: Implement MVE VADD (floating-point) Peter Maydell
2021-07-30 19:27 ` Richard Henderson
2021-07-30 19:37 ` Richard Henderson
2021-07-29 11:14 ` [PATCH for-6.2 37/53] target/arm: Implement MVE VSUB, VMUL, VABD, VMAXNM, VMINNM Peter Maydell
2021-07-30 19:28 ` Richard Henderson
2021-07-29 11:14 ` [PATCH for-6.2 38/53] target/arm: Implement MVE VCADD Peter Maydell
2021-07-30 19:32 ` Richard Henderson
2021-07-29 11:14 ` [PATCH for-6.2 39/53] target/arm: Implement MVE VFMA and VFMS Peter Maydell
2021-07-30 19:34 ` Richard Henderson
2021-07-30 19:41 ` Richard Henderson
2021-07-29 11:14 ` Peter Maydell [this message]
2021-07-30 19:47 ` [PATCH for-6.2 40/53] target/arm: Implement MVE VCMUL and VCMLA Richard Henderson
2021-07-29 11:15 ` [PATCH for-6.2 41/53] target/arm: Implement MVE VMAXNMA and VMINNMA Peter Maydell
2021-07-30 19:50 ` Richard Henderson
2021-07-29 11:15 ` [PATCH for-6.2 42/53] target/arm: Implement MVE scalar fp insns Peter Maydell
2021-07-30 19:55 ` Richard Henderson
2021-07-29 11:15 ` [PATCH for-6.2 43/53] target/arm: Implement MVE fp-with-scalar VFMA, VFMAS Peter Maydell
2021-07-30 19:58 ` Richard Henderson
2021-07-29 11:15 ` [PATCH for-6.2 44/53] softfloat: Remove assertion preventing silencing of NaN in default-NaN mode Peter Maydell
2021-07-30 20:00 ` Richard Henderson
2021-07-29 11:15 ` [PATCH for-6.2 45/53] target/arm: Implement MVE FP max/min across vector Peter Maydell
2021-07-30 20:12 ` Richard Henderson
2021-07-29 11:15 ` [PATCH for-6.2 46/53] target/arm: Implement MVE fp vector comparisons Peter Maydell
2021-07-30 20:21 ` Richard Henderson
2021-07-29 11:15 ` [PATCH for-6.2 47/53] target/arm: Implement MVE fp scalar comparisons Peter Maydell
2021-07-30 20:22 ` Richard Henderson
2021-07-29 11:15 ` [PATCH for-6.2 48/53] target/arm: Implement MVE VCVT between floating and fixed point Peter Maydell
2021-07-30 20:24 ` Richard Henderson
2021-07-29 11:15 ` [PATCH for-6.2 49/53] target/arm: Implement MVE VCVT between fp and integer Peter Maydell
2021-07-30 20:27 ` Richard Henderson
2021-07-29 11:15 ` [PATCH for-6.2 50/53] target/arm: Implement MVE VCVT with specified rounding mode Peter Maydell
2021-07-30 20:28 ` Richard Henderson
2021-07-29 11:15 ` [PATCH for-6.2 51/53] target/arm: Implement MVE VCVT between single and half precision Peter Maydell
2021-07-30 20:33 ` Richard Henderson
2021-07-29 11:15 ` [PATCH for-6.2 52/53] target/arm: Implement MVE VRINT insns Peter Maydell
2021-07-30 20:47 ` Richard Henderson
2021-07-29 11:15 ` [PATCH for-6.2 53/53] target/arm: Enable MVE in Cortex-M55 Peter Maydell
2021-07-30 20:48 ` Richard Henderson
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