From: Peter Maydell <peter.maydell@linaro.org>
To: qemu-devel@nongnu.org
Subject: [PULL 101/114] target/arm: Implement 128-bit ZIP, UZP, TRN
Date: Tue, 25 May 2021 16:07:23 +0100 [thread overview]
Message-ID: <20210525150736.32695-7-peter.maydell@linaro.org> (raw)
In-Reply-To: <20210525150736.32695-1-peter.maydell@linaro.org>
From: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20210525010358.152808-80-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
target/arm/helper-sve.h | 3 ++
target/arm/sve.decode | 8 ++++++
target/arm/sve_helper.c | 29 +++++++++++++------
target/arm/translate-sve.c | 58 ++++++++++++++++++++++++++++++++++++++
4 files changed, 90 insertions(+), 8 deletions(-)
diff --git a/target/arm/helper-sve.h b/target/arm/helper-sve.h
index 342bb837214..b43ffce23ac 100644
--- a/target/arm/helper-sve.h
+++ b/target/arm/helper-sve.h
@@ -689,16 +689,19 @@ DEF_HELPER_FLAGS_4(sve_zip_b, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_4(sve_zip_h, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_4(sve_zip_s, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_4(sve_zip_d, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
+DEF_HELPER_FLAGS_4(sve2_zip_q, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_4(sve_uzp_b, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_4(sve_uzp_h, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_4(sve_uzp_s, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_4(sve_uzp_d, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
+DEF_HELPER_FLAGS_4(sve2_uzp_q, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_4(sve_trn_b, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_4(sve_trn_h, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_4(sve_trn_s, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_4(sve_trn_d, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
+DEF_HELPER_FLAGS_4(sve2_trn_q, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_4(sve_compact_s, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_4(sve_compact_d, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
diff --git a/target/arm/sve.decode b/target/arm/sve.decode
index 884c5358eb1..5469ce04143 100644
--- a/target/arm/sve.decode
+++ b/target/arm/sve.decode
@@ -590,6 +590,14 @@ UZP2_z 00000101 .. 1 ..... 011 011 ..... ..... @rd_rn_rm
TRN1_z 00000101 .. 1 ..... 011 100 ..... ..... @rd_rn_rm
TRN2_z 00000101 .. 1 ..... 011 101 ..... ..... @rd_rn_rm
+# SVE2 permute vector segments
+ZIP1_q 00000101 10 1 ..... 000 000 ..... ..... @rd_rn_rm_e0
+ZIP2_q 00000101 10 1 ..... 000 001 ..... ..... @rd_rn_rm_e0
+UZP1_q 00000101 10 1 ..... 000 010 ..... ..... @rd_rn_rm_e0
+UZP2_q 00000101 10 1 ..... 000 011 ..... ..... @rd_rn_rm_e0
+TRN1_q 00000101 10 1 ..... 000 110 ..... ..... @rd_rn_rm_e0
+TRN2_q 00000101 10 1 ..... 000 111 ..... ..... @rd_rn_rm_e0
+
### SVE Permute - Predicated Group
# SVE compress active elements
diff --git a/target/arm/sve_helper.c b/target/arm/sve_helper.c
index a0518549849..d088b1f74ce 100644
--- a/target/arm/sve_helper.c
+++ b/target/arm/sve_helper.c
@@ -3492,36 +3492,45 @@ void HELPER(NAME)(void *vd, void *vn, void *vm, uint32_t desc) \
*(TYPE *)(vd + H(2 * i + 0)) = *(TYPE *)(vn + H(i)); \
*(TYPE *)(vd + H(2 * i + sizeof(TYPE))) = *(TYPE *)(vm + H(i)); \
} \
+ if (sizeof(TYPE) == 16 && unlikely(oprsz & 16)) { \
+ memset(vd + oprsz - 16, 0, 16); \
+ } \
}
DO_ZIP(sve_zip_b, uint8_t, H1)
DO_ZIP(sve_zip_h, uint16_t, H1_2)
DO_ZIP(sve_zip_s, uint32_t, H1_4)
DO_ZIP(sve_zip_d, uint64_t, )
+DO_ZIP(sve2_zip_q, Int128, )
#define DO_UZP(NAME, TYPE, H) \
void HELPER(NAME)(void *vd, void *vn, void *vm, uint32_t desc) \
{ \
intptr_t oprsz = simd_oprsz(desc); \
- intptr_t oprsz_2 = oprsz / 2; \
intptr_t odd_ofs = simd_data(desc); \
- intptr_t i; \
+ intptr_t i, p; \
ARMVectorReg tmp_m; \
if (unlikely((vm - vd) < (uintptr_t)oprsz)) { \
vm = memcpy(&tmp_m, vm, oprsz); \
} \
- for (i = 0; i < oprsz_2; i += sizeof(TYPE)) { \
- *(TYPE *)(vd + H(i)) = *(TYPE *)(vn + H(2 * i + odd_ofs)); \
- } \
- for (i = 0; i < oprsz_2; i += sizeof(TYPE)) { \
- *(TYPE *)(vd + H(oprsz_2 + i)) = *(TYPE *)(vm + H(2 * i + odd_ofs)); \
- } \
+ i = 0, p = odd_ofs; \
+ do { \
+ *(TYPE *)(vd + H(i)) = *(TYPE *)(vn + H(p)); \
+ i += sizeof(TYPE), p += 2 * sizeof(TYPE); \
+ } while (p < oprsz); \
+ p -= oprsz; \
+ do { \
+ *(TYPE *)(vd + H(i)) = *(TYPE *)(vm + H(p)); \
+ i += sizeof(TYPE), p += 2 * sizeof(TYPE); \
+ } while (p < oprsz); \
+ tcg_debug_assert(i == oprsz); \
}
DO_UZP(sve_uzp_b, uint8_t, H1)
DO_UZP(sve_uzp_h, uint16_t, H1_2)
DO_UZP(sve_uzp_s, uint32_t, H1_4)
DO_UZP(sve_uzp_d, uint64_t, )
+DO_UZP(sve2_uzp_q, Int128, )
#define DO_TRN(NAME, TYPE, H) \
void HELPER(NAME)(void *vd, void *vn, void *vm, uint32_t desc) \
@@ -3535,12 +3544,16 @@ void HELPER(NAME)(void *vd, void *vn, void *vm, uint32_t desc) \
*(TYPE *)(vd + H(i + 0)) = ae; \
*(TYPE *)(vd + H(i + sizeof(TYPE))) = be; \
} \
+ if (sizeof(TYPE) == 16 && unlikely(oprsz & 16)) { \
+ memset(vd + oprsz - 16, 0, 16); \
+ } \
}
DO_TRN(sve_trn_b, uint8_t, H1)
DO_TRN(sve_trn_h, uint16_t, H1_2)
DO_TRN(sve_trn_s, uint32_t, H1_4)
DO_TRN(sve_trn_d, uint64_t, )
+DO_TRN(sve2_trn_q, Int128, )
#undef DO_ZIP
#undef DO_UZP
diff --git a/target/arm/translate-sve.c b/target/arm/translate-sve.c
index 1dcdbac0af0..b2aa9130b64 100644
--- a/target/arm/translate-sve.c
+++ b/target/arm/translate-sve.c
@@ -2624,6 +2624,32 @@ static bool trans_ZIP2_z(DisasContext *s, arg_rrr_esz *a)
return do_zip(s, a, true);
}
+static bool do_zip_q(DisasContext *s, arg_rrr_esz *a, bool high)
+{
+ if (!dc_isar_feature(aa64_sve_f64mm, s)) {
+ return false;
+ }
+ if (sve_access_check(s)) {
+ unsigned vsz = vec_full_reg_size(s);
+ unsigned high_ofs = high ? QEMU_ALIGN_DOWN(vsz, 32) / 2 : 0;
+ tcg_gen_gvec_3_ool(vec_full_reg_offset(s, a->rd),
+ vec_full_reg_offset(s, a->rn) + high_ofs,
+ vec_full_reg_offset(s, a->rm) + high_ofs,
+ vsz, vsz, 0, gen_helper_sve2_zip_q);
+ }
+ return true;
+}
+
+static bool trans_ZIP1_q(DisasContext *s, arg_rrr_esz *a)
+{
+ return do_zip_q(s, a, false);
+}
+
+static bool trans_ZIP2_q(DisasContext *s, arg_rrr_esz *a)
+{
+ return do_zip_q(s, a, true);
+}
+
static gen_helper_gvec_3 * const uzp_fns[4] = {
gen_helper_sve_uzp_b, gen_helper_sve_uzp_h,
gen_helper_sve_uzp_s, gen_helper_sve_uzp_d,
@@ -2639,6 +2665,22 @@ static bool trans_UZP2_z(DisasContext *s, arg_rrr_esz *a)
return do_zzz_data_ool(s, a, 1 << a->esz, uzp_fns[a->esz]);
}
+static bool trans_UZP1_q(DisasContext *s, arg_rrr_esz *a)
+{
+ if (!dc_isar_feature(aa64_sve_f64mm, s)) {
+ return false;
+ }
+ return do_zzz_data_ool(s, a, 0, gen_helper_sve2_uzp_q);
+}
+
+static bool trans_UZP2_q(DisasContext *s, arg_rrr_esz *a)
+{
+ if (!dc_isar_feature(aa64_sve_f64mm, s)) {
+ return false;
+ }
+ return do_zzz_data_ool(s, a, 16, gen_helper_sve2_uzp_q);
+}
+
static gen_helper_gvec_3 * const trn_fns[4] = {
gen_helper_sve_trn_b, gen_helper_sve_trn_h,
gen_helper_sve_trn_s, gen_helper_sve_trn_d,
@@ -2654,6 +2696,22 @@ static bool trans_TRN2_z(DisasContext *s, arg_rrr_esz *a)
return do_zzz_data_ool(s, a, 1 << a->esz, trn_fns[a->esz]);
}
+static bool trans_TRN1_q(DisasContext *s, arg_rrr_esz *a)
+{
+ if (!dc_isar_feature(aa64_sve_f64mm, s)) {
+ return false;
+ }
+ return do_zzz_data_ool(s, a, 0, gen_helper_sve2_trn_q);
+}
+
+static bool trans_TRN2_q(DisasContext *s, arg_rrr_esz *a)
+{
+ if (!dc_isar_feature(aa64_sve_f64mm, s)) {
+ return false;
+ }
+ return do_zzz_data_ool(s, a, 16, gen_helper_sve2_trn_q);
+}
+
/*
*** SVE Permute Vector - Predicated Group
*/
--
2.20.1
next prev parent reply other threads:[~2021-05-25 16:51 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-05-25 15:07 [PULL 095/114] target/arm: Implement SVE2 FCVTLT Peter Maydell
2021-05-25 15:07 ` [PULL 096/114] target/arm: Implement SVE2 FCVTXNT, FCVTX Peter Maydell
2021-05-25 15:07 ` [PULL 097/114] target/arm: Implement SVE2 FLOGB Peter Maydell
2021-05-25 15:07 ` [PULL 098/114] target/arm: Share table of sve load functions Peter Maydell
2021-05-25 15:07 ` [PULL 099/114] target/arm: Tidy do_ldrq Peter Maydell
2021-05-25 15:07 ` [PULL 100/114] target/arm: Implement SVE2 LD1RO Peter Maydell
2021-05-25 15:07 ` Peter Maydell [this message]
2021-05-25 15:07 ` [PULL 102/114] target/arm: Implement SVE2 bitwise shift immediate Peter Maydell
2021-05-25 15:07 ` [PULL 103/114] target/arm: Move endian adjustment macros to vec_internal.h Peter Maydell
2021-05-25 15:07 ` [PULL 104/114] target/arm: Implement SVE2 fp multiply-add long Peter Maydell
2021-05-25 15:07 ` [PULL 105/114] target/arm: Implement aarch64 SUDOT, USDOT Peter Maydell
2021-05-25 15:07 ` [PULL 106/114] target/arm: Split out do_neon_ddda_fpst Peter Maydell
2021-05-25 15:07 ` [PULL 107/114] target/arm: Remove unused fpst from VDOT_scalar Peter Maydell
2021-05-25 15:07 ` [PULL 108/114] target/arm: Fix decode for VDOT (indexed) Peter Maydell
2021-05-25 15:07 ` [PULL 109/114] target/arm: Split out do_neon_ddda Peter Maydell
2021-05-25 15:07 ` [PULL 110/114] target/arm: Split decode of VSDOT and VUDOT Peter Maydell
2021-05-25 15:07 ` [PULL 111/114] target/arm: Implement aarch32 VSUDOT, VUSDOT Peter Maydell
2021-05-25 15:07 ` [PULL 112/114] target/arm: Implement integer matrix multiply accumulate Peter Maydell
2021-05-25 15:07 ` [PULL 113/114] linux-user/aarch64: Enable hwcap bits for sve2 and related extensions Peter Maydell
2021-05-25 15:07 ` [PULL 114/114] target/arm: Enable SVE2 " Peter Maydell
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20210525150736.32695-7-peter.maydell@linaro.org \
--to=peter.maydell@linaro.org \
--cc=qemu-devel@nongnu.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.