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[Qemu-devel] [PATCH 20/23] target/arm: Implement SVE Compute Vector Addr
From: |
Richard Henderson |
Subject: |
[Qemu-devel] [PATCH 20/23] target/arm: Implement SVE Compute Vector Address Group |
Date: |
Mon, 18 Dec 2017 09:45:49 -0800 |
Signed-off-by: Richard Henderson <address@hidden>
---
target/arm/helper-sve.h | 5 +++++
target/arm/sve_helper.c | 40 ++++++++++++++++++++++++++++++++++++++++
target/arm/translate-sve.c | 29 +++++++++++++++++++++++++++++
target/arm/sve.def | 12 ++++++++++++
4 files changed, 86 insertions(+)
diff --git a/target/arm/helper-sve.h b/target/arm/helper-sve.h
index c0e23e7a83..a9fcf25b95 100644
--- a/target/arm/helper-sve.h
+++ b/target/arm/helper-sve.h
@@ -374,6 +374,11 @@ DEF_HELPER_FLAGS_4(sve_lsl_zzw_b, TCG_CALL_NO_RWG, void,
ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_4(sve_lsl_zzw_h, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_4(sve_lsl_zzw_s, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
+DEF_HELPER_FLAGS_4(sve_adr_p32, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
+DEF_HELPER_FLAGS_4(sve_adr_p64, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
+DEF_HELPER_FLAGS_4(sve_adr_s32, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
+DEF_HELPER_FLAGS_4(sve_adr_u32, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
+
DEF_HELPER_FLAGS_5(sve_and_pred, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, ptr,
i32)
DEF_HELPER_FLAGS_5(sve_bic_pred, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, ptr,
i32)
DEF_HELPER_FLAGS_5(sve_eor_pred, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, ptr,
i32)
diff --git a/target/arm/sve_helper.c b/target/arm/sve_helper.c
index b6aca18d22..33b3c3432d 100644
--- a/target/arm/sve_helper.c
+++ b/target/arm/sve_helper.c
@@ -983,6 +983,46 @@ void HELPER(sve_index_d)(void *vd, uint64_t start,
}
}
+void HELPER(sve_adr_p32)(void *vd, void *vn, void *vm, uint32_t desc)
+{
+ intptr_t i, opr_sz = simd_oprsz(desc) / 4;
+ uint32_t sh = simd_data(desc);
+ uint32_t *d = vd, *n = vn, *m = vm;
+ for (i = 0; i < opr_sz; i += 1) {
+ d[i] = n[i] + (m[i] << sh);
+ }
+}
+
+void HELPER(sve_adr_p64)(void *vd, void *vn, void *vm, uint32_t desc)
+{
+ intptr_t i, opr_sz = simd_oprsz(desc) / 8;
+ uint64_t sh = simd_data(desc);
+ uint64_t *d = vd, *n = vn, *m = vm;
+ for (i = 0; i < opr_sz; i += 1) {
+ d[i] = n[i] + (m[i] << sh);
+ }
+}
+
+void HELPER(sve_adr_s32)(void *vd, void *vn, void *vm, uint32_t desc)
+{
+ intptr_t i, opr_sz = simd_oprsz(desc) / 8;
+ uint64_t sh = simd_data(desc);
+ uint64_t *d = vd, *n = vn, *m = vm;
+ for (i = 0; i < opr_sz; i += 1) {
+ d[i] = n[i] + ((uint64_t)(int32_t)m[i] << sh);
+ }
+}
+
+void HELPER(sve_adr_u32)(void *vd, void *vn, void *vm, uint32_t desc)
+{
+ intptr_t i, opr_sz = simd_oprsz(desc) / 8;
+ uint64_t sh = simd_data(desc);
+ uint64_t *d = vd, *n = vn, *m = vm;
+ for (i = 0; i < opr_sz; i += 1) {
+ d[i] = n[i] + ((uint64_t)(uint32_t)m[i] << sh);
+ }
+}
+
void HELPER(sve_ldr)(CPUARMState *env, void *d, target_ulong addr, uint32_t
len)
{
intptr_t i, len_align = QEMU_ALIGN_DOWN(len, 8);
diff --git a/target/arm/translate-sve.c b/target/arm/translate-sve.c
index d8e7cc7570..fcb5c4929e 100644
--- a/target/arm/translate-sve.c
+++ b/target/arm/translate-sve.c
@@ -710,6 +710,35 @@ DO_ZZW(LSL, lsl)
#undef DO_ZZW
+static void do_adr(DisasContext *s, arg_rrri *a, gen_helper_gvec_3 *fn)
+{
+ unsigned vsz = size_for_gvec(vec_full_reg_size(s));
+ tcg_gen_gvec_3_ool(vec_full_reg_offset(s, a->rd),
+ vec_full_reg_offset(s, a->rn),
+ vec_full_reg_offset(s, a->rm),
+ vsz, vsz, a->imm, fn);
+}
+
+void trans_ADR_p32(DisasContext *s, arg_rrri *a, uint32_t insn)
+{
+ do_adr(s, a, gen_helper_sve_adr_p32);
+}
+
+void trans_ADR_p64(DisasContext *s, arg_rrri *a, uint32_t insn)
+{
+ do_adr(s, a, gen_helper_sve_adr_p64);
+}
+
+void trans_ADR_s32(DisasContext *s, arg_rrri *a, uint32_t insn)
+{
+ do_adr(s, a, gen_helper_sve_adr_s32);
+}
+
+void trans_ADR_u32(DisasContext *s, arg_rrri *a, uint32_t insn)
+{
+ do_adr(s, a, gen_helper_sve_adr_u32);
+}
+
static uint64_t pred_esz_mask[4] = {
0xffffffffffffffffull, 0x5555555555555555ull,
0x1111111111111111ull, 0x0101010101010101ull
diff --git a/target/arm/sve.def b/target/arm/sve.def
index 9caed8fc66..66a88f59bc 100644
--- a/target/arm/sve.def
+++ b/target/arm/sve.def
@@ -47,6 +47,7 @@
# instruction patterns.
&rri rd rn imm
+&rrri rd rn rm imm
&rri_esz rd rn imm esz
&rrr_esz rd rn rm esz
&rpr_esz rd pg rn esz
@@ -65,6 +66,9 @@
# Three operand with unused vector element size
@rd_rn_rm ........ ... rm:5 ... ... rn:5 rd:5
&rrr_esz esz=0
+# Three operand with "memory" size, aka immediate left shift
address@hidden ........ ... rm:5 .... imm:2 rn:5 rd:5 &rrri
+
# Three prediate operand, with governing predicate, unused vector element size
@pd_pg_pn_pm ........ .... rm:4 .. pg:4 . rn:4 . rd:4
&rprr_esz esz=0
@@ -251,6 +255,14 @@ ASR_zzw 00000100 .. 1 ..... 1000 00
..... ..... @rd_rn_rm_esz # Note size !=
LSR_zzw 00000100 .. 1 ..... 1000 01 ..... .....
@rd_rn_rm_esz # Note size != 3
LSL_zzw 00000100 .. 1 ..... 1000 11 ..... .....
@rd_rn_rm_esz # Note size != 3
+### SVE Compute Vector Address Group
+
+# SVE vector address generation
+ADR_s32 00000100 00 1 ..... 1010 .. ..... .....
@rd_rn_msz_rm
+ADR_u32 00000100 01 1 ..... 1010 .. ..... .....
@rd_rn_msz_rm
+ADR_p32 00000100 10 1 ..... 1010 .. ..... .....
@rd_rn_msz_rm
+ADR_p64 00000100 11 1 ..... 1010 .. ..... .....
@rd_rn_msz_rm
+
### SVE Predicate Generation Group
# SVE initialize predicate (PTRUE, PTRUES)
--
2.14.3
- [Qemu-devel] [PATCH 10/23] target/arm: Implement SVE Integer Reduction Group, (continued)
- [Qemu-devel] [PATCH 10/23] target/arm: Implement SVE Integer Reduction Group, Richard Henderson, 2017/12/18
- [Qemu-devel] [PATCH 11/23] target/arm: Implement SVE bitwise shift by immediate (predicated), Richard Henderson, 2017/12/18
- [Qemu-devel] [PATCH 12/23] target/arm: Implement SVE bitwise shift by vector (predicated), Richard Henderson, 2017/12/18
- [Qemu-devel] [PATCH 13/23] target/arm: Implement SVE bitwise shift by wide elements (predicated), Richard Henderson, 2017/12/18
- [Qemu-devel] [PATCH 14/23] target/arm: Implement SVE Integer Arithmetic - Unary Predicated Group, Richard Henderson, 2017/12/18
- [Qemu-devel] [PATCH 17/23] target/arm: Implement SVE Index Generation Group, Richard Henderson, 2017/12/18
- [Qemu-devel] [PATCH 18/23] target/arm: Implement SVE Stack Allocation Group, Richard Henderson, 2017/12/18
- [Qemu-devel] [PATCH 16/23] target/arm: Implement SVE Integer Arithmetic - Unpredicated Group, Richard Henderson, 2017/12/18
- [Qemu-devel] [PATCH 15/23] target/arm: Implement SVE Integer Multiply-Add Group, Richard Henderson, 2017/12/18
- [Qemu-devel] [PATCH 19/23] target/arm: Implement SVE Bitwise Shift - Unpredicated Group, Richard Henderson, 2017/12/18
- [Qemu-devel] [PATCH 20/23] target/arm: Implement SVE Compute Vector Address Group,
Richard Henderson <=
- [Qemu-devel] [PATCH 22/23] target/arm: Implement SVE floating-point trig select coefficient, Richard Henderson, 2017/12/18
- [Qemu-devel] [PATCH 21/23] target/arm: Implement SVE floating-point exponential accelerator, Richard Henderson, 2017/12/18
- [Qemu-devel] [PATCH 23/23] target/arm: Implement SVE Element Count Group, register destinations, Richard Henderson, 2017/12/18