From 3b787ed8084364f51c55536549f9591b3351437e Mon Sep 17 00:00:00 2001 From: Richard Henderson Date: Mon, 24 May 2021 18:03:28 -0700 Subject: [PATCH] target/arm: Implement SVE2 complex integer multiply-add (indexed) Signed-off-by: Richard Henderson Message-id: 20210525010358.152808-63-richard.henderson@linaro.org Reviewed-by: Peter Maydell Signed-off-by: Peter Maydell --- target/arm/helper-sve.h | 9 +++++++++ target/arm/sve.decode | 12 ++++++++++++ target/arm/sve_helper.c | 28 ++++++++++++++++++++++++++++ target/arm/translate-sve.c | 15 +++++++++++++++ 4 files changed, 64 insertions(+) diff --git a/target/arm/helper-sve.h b/target/arm/helper-sve.h index 3bec807e13..d6399a6d6e 100644 --- a/target/arm/helper-sve.h +++ b/target/arm/helper-sve.h @@ -2715,3 +2715,12 @@ DEF_HELPER_FLAGS_4(sve2_smull_idx_s, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32) DEF_HELPER_FLAGS_4(sve2_smull_idx_d, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32) DEF_HELPER_FLAGS_4(sve2_umull_idx_s, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32) DEF_HELPER_FLAGS_4(sve2_umull_idx_d, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32) + +DEF_HELPER_FLAGS_5(sve2_cmla_idx_h, TCG_CALL_NO_RWG, + void, ptr, ptr, ptr, ptr, i32) +DEF_HELPER_FLAGS_5(sve2_cmla_idx_s, TCG_CALL_NO_RWG, + void, ptr, ptr, ptr, ptr, i32) +DEF_HELPER_FLAGS_5(sve2_sqrdcmlah_idx_h, TCG_CALL_NO_RWG, + void, ptr, ptr, ptr, ptr, i32) +DEF_HELPER_FLAGS_5(sve2_sqrdcmlah_idx_s, TCG_CALL_NO_RWG, + void, ptr, ptr, ptr, ptr, i32) diff --git a/target/arm/sve.decode b/target/arm/sve.decode index 9c5761347a..42cf344ad6 100644 --- a/target/arm/sve.decode +++ b/target/arm/sve.decode @@ -823,6 +823,18 @@ SQDMLSLB_zzxw_d 01000100 11 1 ..... 0011.0 ..... ..... @rrxr_2a esz=3 SQDMLSLT_zzxw_s 01000100 10 1 ..... 0011.1 ..... ..... @rrxr_3a esz=2 SQDMLSLT_zzxw_d 01000100 11 1 ..... 0011.1 ..... ..... @rrxr_2a esz=3 +# SVE2 complex integer multiply-add (indexed) +CMLA_zzxz_h 01000100 10 1 index:2 rm:3 0110 rot:2 rn:5 rd:5 \ + ra=%reg_movprfx +CMLA_zzxz_s 01000100 11 1 index:1 rm:4 0110 rot:2 rn:5 rd:5 \ + ra=%reg_movprfx + +# SVE2 complex saturating integer multiply-add (indexed) +SQRDCMLAH_zzxz_h 01000100 10 1 index:2 rm:3 0111 rot:2 rn:5 rd:5 \ + ra=%reg_movprfx +SQRDCMLAH_zzxz_s 01000100 11 1 index:1 rm:4 0111 rot:2 rn:5 rd:5 \ + ra=%reg_movprfx + # SVE2 multiply-add long (indexed) SMLALB_zzxw_s 01000100 10 1 ..... 1000.0 ..... ..... @rrxr_3a esz=2 SMLALB_zzxw_d 01000100 11 1 ..... 1000.0 ..... ..... @rrxr_2a esz=3 diff --git a/target/arm/sve_helper.c b/target/arm/sve_helper.c index 20ed2f34bc..eb083e4061 100644 --- a/target/arm/sve_helper.c +++ b/target/arm/sve_helper.c @@ -1492,8 +1492,36 @@ DO_CMLA_FUNC(sve2_sqrdcmlah_zzzz_h, int16_t, H2, DO_SQRDMLAH_H) DO_CMLA_FUNC(sve2_sqrdcmlah_zzzz_s, int32_t, H4, DO_SQRDMLAH_S) DO_CMLA_FUNC(sve2_sqrdcmlah_zzzz_d, int64_t, , DO_SQRDMLAH_D) +#define DO_CMLA_IDX_FUNC(NAME, TYPE, H, OP) \ +void HELPER(NAME)(void *vd, void *vn, void *vm, void *va, uint32_t desc) \ +{ \ + intptr_t i, j, oprsz = simd_oprsz(desc); \ + int rot = extract32(desc, SIMD_DATA_SHIFT, 2); \ + int idx = extract32(desc, SIMD_DATA_SHIFT + 2, 2) * 2; \ + int sel_a = rot & 1, sel_b = sel_a ^ 1; \ + bool sub_r = rot == 1 || rot == 2; \ + bool sub_i = rot >= 2; \ + TYPE *d = vd, *n = vn, *m = vm, *a = va; \ + for (i = 0; i < oprsz / sizeof(TYPE); i += 16 / sizeof(TYPE)) { \ + TYPE elt2_a = m[H(i + idx + sel_a)]; \ + TYPE elt2_b = m[H(i + idx + sel_b)]; \ + for (j = 0; j < 16 / sizeof(TYPE); j += 2) { \ + TYPE elt1_a = n[H(i + j + sel_a)]; \ + d[H2(i + j)] = OP(elt1_a, elt2_a, a[H(i + j)], sub_r); \ + d[H2(i + j + 1)] = OP(elt1_a, elt2_b, a[H(i + j + 1)], sub_i); \ + } \ + } \ +} + +DO_CMLA_IDX_FUNC(sve2_cmla_idx_h, int16_t, H2, DO_CMLA) +DO_CMLA_IDX_FUNC(sve2_cmla_idx_s, int32_t, H4, DO_CMLA) + +DO_CMLA_IDX_FUNC(sve2_sqrdcmlah_idx_h, int16_t, H2, DO_SQRDMLAH_H) +DO_CMLA_IDX_FUNC(sve2_sqrdcmlah_idx_s, int32_t, H4, DO_SQRDMLAH_S) + #undef DO_CMLA #undef DO_CMLA_FUNC +#undef DO_CMLA_IDX_FUNC #undef DO_SQRDMLAH_B #undef DO_SQRDMLAH_H #undef DO_SQRDMLAH_S diff --git a/target/arm/translate-sve.c b/target/arm/translate-sve.c index e8e2a4e948..91aa2506de 100644 --- a/target/arm/translate-sve.c +++ b/target/arm/translate-sve.c @@ -3976,6 +3976,21 @@ DO_SVE2_RRXR_TB(trans_UMLSLT_zzxw_d, gen_helper_sve2_umlsl_idx_d, true) #undef DO_SVE2_RRXR_TB +#define DO_SVE2_RRXR_ROT(NAME, FUNC) \ + static bool trans_##NAME(DisasContext *s, arg_##NAME *a) \ + { \ + return do_sve2_zzzz_data(s, a->rd, a->rn, a->rm, a->ra, \ + (a->index << 2) | a->rot, FUNC); \ + } + +DO_SVE2_RRXR_ROT(CMLA_zzxz_h, gen_helper_sve2_cmla_idx_h) +DO_SVE2_RRXR_ROT(CMLA_zzxz_s, gen_helper_sve2_cmla_idx_s) + +DO_SVE2_RRXR_ROT(SQRDCMLAH_zzxz_h, gen_helper_sve2_sqrdcmlah_idx_h) +DO_SVE2_RRXR_ROT(SQRDCMLAH_zzxz_s, gen_helper_sve2_sqrdcmlah_idx_s) + +#undef DO_SVE2_RRXR_ROT + /* *** SVE Floating Point Multiply-Add Indexed Group */ -- 2.11.4.GIT