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authorRichard Henderson <richard.henderson@linaro.org>2020-08-28 10:02:50 +0100
committerPeter Maydell <peter.maydell@linaro.org>2020-08-28 10:02:50 +0100
commit3607440c4df6498585a570cfc1041e4972b41b56 (patch)
tree59e1c0368280d77d24e89f9d359c03b753a0dea1
parent2e5a265e6a9e7169c4a3e87db261b2fa92582590 (diff)
target/arm: Convert integer multiply-add (indexed) to gvec for aa64 advsimd
Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Message-id: 20200815013145.539409-20-richard.henderson@linaro.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
-rw-r--r--target/arm/helper.h14
-rw-r--r--target/arm/translate-a64.c34
-rw-r--r--target/arm/vec_helper.c25
3 files changed, 73 insertions, 0 deletions
diff --git a/target/arm/helper.h b/target/arm/helper.h
index d0573a53c8..378bb1898b 100644
--- a/target/arm/helper.h
+++ b/target/arm/helper.h
@@ -762,6 +762,20 @@ DEF_HELPER_FLAGS_4(gvec_mul_idx_h, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_4(gvec_mul_idx_s, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_4(gvec_mul_idx_d, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
+DEF_HELPER_FLAGS_5(gvec_mla_idx_h, TCG_CALL_NO_RWG,
+ void, ptr, ptr, ptr, ptr, i32)
+DEF_HELPER_FLAGS_5(gvec_mla_idx_s, TCG_CALL_NO_RWG,
+ void, ptr, ptr, ptr, ptr, i32)
+DEF_HELPER_FLAGS_5(gvec_mla_idx_d, TCG_CALL_NO_RWG,
+ void, ptr, ptr, ptr, ptr, i32)
+
+DEF_HELPER_FLAGS_5(gvec_mls_idx_h, TCG_CALL_NO_RWG,
+ void, ptr, ptr, ptr, ptr, i32)
+DEF_HELPER_FLAGS_5(gvec_mls_idx_s, TCG_CALL_NO_RWG,
+ void, ptr, ptr, ptr, ptr, i32)
+DEF_HELPER_FLAGS_5(gvec_mls_idx_d, TCG_CALL_NO_RWG,
+ void, ptr, ptr, ptr, ptr, i32)
+
#ifdef TARGET_AARCH64
#include "helper-a64.h"
#include "helper-sve.h"
diff --git a/target/arm/translate-a64.c b/target/arm/translate-a64.c
index abbd6421a2..a50b2f0cb1 100644
--- a/target/arm/translate-a64.c
+++ b/target/arm/translate-a64.c
@@ -13504,6 +13504,40 @@ static void disas_simd_indexed(DisasContext *s, uint32_t insn)
return;
}
break;
+
+ case 0x10: /* MLA */
+ if (!is_long && !is_scalar) {
+ static gen_helper_gvec_4 * const fns[3] = {
+ gen_helper_gvec_mla_idx_h,
+ gen_helper_gvec_mla_idx_s,
+ gen_helper_gvec_mla_idx_d,
+ };
+ tcg_gen_gvec_4_ool(vec_full_reg_offset(s, rd),
+ vec_full_reg_offset(s, rn),
+ vec_full_reg_offset(s, rm),
+ vec_full_reg_offset(s, rd),
+ is_q ? 16 : 8, vec_full_reg_size(s),
+ index, fns[size - 1]);
+ return;
+ }
+ break;
+
+ case 0x14: /* MLS */
+ if (!is_long && !is_scalar) {
+ static gen_helper_gvec_4 * const fns[3] = {
+ gen_helper_gvec_mls_idx_h,
+ gen_helper_gvec_mls_idx_s,
+ gen_helper_gvec_mls_idx_d,
+ };
+ tcg_gen_gvec_4_ool(vec_full_reg_offset(s, rd),
+ vec_full_reg_offset(s, rn),
+ vec_full_reg_offset(s, rm),
+ vec_full_reg_offset(s, rd),
+ is_q ? 16 : 8, vec_full_reg_size(s),
+ index, fns[size - 1]);
+ return;
+ }
+ break;
}
if (size == 3) {
diff --git a/target/arm/vec_helper.c b/target/arm/vec_helper.c
index 155b6368cb..9e93a8a154 100644
--- a/target/arm/vec_helper.c
+++ b/target/arm/vec_helper.c
@@ -731,6 +731,31 @@ DO_MUL_IDX(gvec_mul_idx_d, uint64_t, )
#undef DO_MUL_IDX
+#define DO_MLA_IDX(NAME, TYPE, OP, H) \
+void HELPER(NAME)(void *vd, void *vn, void *vm, void *va, uint32_t desc) \
+{ \
+ intptr_t i, j, oprsz = simd_oprsz(desc), segment = 16 / sizeof(TYPE); \
+ intptr_t idx = simd_data(desc); \
+ TYPE *d = vd, *n = vn, *m = vm, *a = va; \
+ for (i = 0; i < oprsz / sizeof(TYPE); i += segment) { \
+ TYPE mm = m[H(i + idx)]; \
+ for (j = 0; j < segment; j++) { \
+ d[i + j] = a[i + j] OP n[i + j] * mm; \
+ } \
+ } \
+ clear_tail(d, oprsz, simd_maxsz(desc)); \
+}
+
+DO_MLA_IDX(gvec_mla_idx_h, uint16_t, +, H2)
+DO_MLA_IDX(gvec_mla_idx_s, uint32_t, +, H4)
+DO_MLA_IDX(gvec_mla_idx_d, uint64_t, +, )
+
+DO_MLA_IDX(gvec_mls_idx_h, uint16_t, -, H2)
+DO_MLA_IDX(gvec_mls_idx_s, uint32_t, -, H4)
+DO_MLA_IDX(gvec_mls_idx_d, uint64_t, -, )
+
+#undef DO_MLA_IDX
+
#define DO_FMUL_IDX(NAME, TYPE, H) \
void HELPER(NAME)(void *vd, void *vn, void *vm, void *stat, uint32_t desc) \
{ \