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author | Richard Henderson <richard.henderson@linaro.org> | 2021-05-24 18:02:38 -0700 |
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committer | Peter Maydell <peter.maydell@linaro.org> | 2021-05-25 16:01:43 +0100 |
commit | 81fccf092285731a05d9354159c3cd2d1a92fed9 (patch) | |
tree | 3b5a9afd967ba4bad5b779c6433d36e0908fab65 | |
parent | daec426b2d16a422dc90dfa01b382aef50f2e23d (diff) | |
download | qemu-81fccf092285731a05d9354159c3cd2d1a92fed9.zip qemu-81fccf092285731a05d9354159c3cd2d1a92fed9.tar.gz qemu-81fccf092285731a05d9354159c3cd2d1a92fed9.tar.bz2 |
target/arm: Implement SVE2 integer add/subtract wide
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20210525010358.152808-13-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
-rw-r--r-- | target/arm/helper-sve.h | 16 | ||||
-rw-r--r-- | target/arm/sve.decode | 12 | ||||
-rw-r--r-- | target/arm/sve_helper.c | 30 | ||||
-rw-r--r-- | target/arm/translate-sve.c | 20 |
4 files changed, 78 insertions, 0 deletions
diff --git a/target/arm/helper-sve.h b/target/arm/helper-sve.h index a81297b..3286a9c 100644 --- a/target/arm/helper-sve.h +++ b/target/arm/helper-sve.h @@ -1391,6 +1391,22 @@ DEF_HELPER_FLAGS_4(sve2_uabdl_h, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32) DEF_HELPER_FLAGS_4(sve2_uabdl_s, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32) DEF_HELPER_FLAGS_4(sve2_uabdl_d, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32) +DEF_HELPER_FLAGS_4(sve2_saddw_h, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32) +DEF_HELPER_FLAGS_4(sve2_saddw_s, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32) +DEF_HELPER_FLAGS_4(sve2_saddw_d, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32) + +DEF_HELPER_FLAGS_4(sve2_ssubw_h, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32) +DEF_HELPER_FLAGS_4(sve2_ssubw_s, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32) +DEF_HELPER_FLAGS_4(sve2_ssubw_d, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32) + +DEF_HELPER_FLAGS_4(sve2_uaddw_h, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32) +DEF_HELPER_FLAGS_4(sve2_uaddw_s, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32) +DEF_HELPER_FLAGS_4(sve2_uaddw_d, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32) + +DEF_HELPER_FLAGS_4(sve2_usubw_h, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32) +DEF_HELPER_FLAGS_4(sve2_usubw_s, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32) +DEF_HELPER_FLAGS_4(sve2_usubw_d, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32) + DEF_HELPER_FLAGS_4(sve_ld1bb_r, TCG_CALL_NO_WG, void, env, ptr, tl, i32) DEF_HELPER_FLAGS_4(sve_ld2bb_r, TCG_CALL_NO_WG, void, env, ptr, tl, i32) DEF_HELPER_FLAGS_4(sve_ld3bb_r, TCG_CALL_NO_WG, void, env, ptr, tl, i32) diff --git a/target/arm/sve.decode b/target/arm/sve.decode index 12be058..f6f2142 100644 --- a/target/arm/sve.decode +++ b/target/arm/sve.decode @@ -1184,3 +1184,15 @@ UABDLT 01000101 .. 0 ..... 00 1111 ..... ..... @rd_rn_rm SADDLBT 01000101 .. 0 ..... 1000 00 ..... ..... @rd_rn_rm SSUBLBT 01000101 .. 0 ..... 1000 10 ..... ..... @rd_rn_rm SSUBLTB 01000101 .. 0 ..... 1000 11 ..... ..... @rd_rn_rm + +## SVE2 integer add/subtract wide + +SADDWB 01000101 .. 0 ..... 010 000 ..... ..... @rd_rn_rm +SADDWT 01000101 .. 0 ..... 010 001 ..... ..... @rd_rn_rm +UADDWB 01000101 .. 0 ..... 010 010 ..... ..... @rd_rn_rm +UADDWT 01000101 .. 0 ..... 010 011 ..... ..... @rd_rn_rm + +SSUBWB 01000101 .. 0 ..... 010 100 ..... ..... @rd_rn_rm +SSUBWT 01000101 .. 0 ..... 010 101 ..... ..... @rd_rn_rm +USUBWB 01000101 .. 0 ..... 010 110 ..... ..... @rd_rn_rm +USUBWT 01000101 .. 0 ..... 010 111 ..... ..... @rd_rn_rm diff --git a/target/arm/sve_helper.c b/target/arm/sve_helper.c index d88fab9..374e02d 100644 --- a/target/arm/sve_helper.c +++ b/target/arm/sve_helper.c @@ -1165,6 +1165,36 @@ DO_ZZZ_TB(sve2_uabdl_d, uint64_t, uint32_t, , H1_4, DO_ABD) #undef DO_ZZZ_TB +#define DO_ZZZ_WTB(NAME, TYPEW, TYPEN, HW, HN, OP) \ +void HELPER(NAME)(void *vd, void *vn, void *vm, uint32_t desc) \ +{ \ + intptr_t i, opr_sz = simd_oprsz(desc); \ + int sel2 = extract32(desc, SIMD_DATA_SHIFT, 1) * sizeof(TYPEN); \ + for (i = 0; i < opr_sz; i += sizeof(TYPEW)) { \ + TYPEW nn = *(TYPEW *)(vn + HW(i)); \ + TYPEW mm = *(TYPEN *)(vm + HN(i + sel2)); \ + *(TYPEW *)(vd + HW(i)) = OP(nn, mm); \ + } \ +} + +DO_ZZZ_WTB(sve2_saddw_h, int16_t, int8_t, H1_2, H1, DO_ADD) +DO_ZZZ_WTB(sve2_saddw_s, int32_t, int16_t, H1_4, H1_2, DO_ADD) +DO_ZZZ_WTB(sve2_saddw_d, int64_t, int32_t, , H1_4, DO_ADD) + +DO_ZZZ_WTB(sve2_ssubw_h, int16_t, int8_t, H1_2, H1, DO_SUB) +DO_ZZZ_WTB(sve2_ssubw_s, int32_t, int16_t, H1_4, H1_2, DO_SUB) +DO_ZZZ_WTB(sve2_ssubw_d, int64_t, int32_t, , H1_4, DO_SUB) + +DO_ZZZ_WTB(sve2_uaddw_h, uint16_t, uint8_t, H1_2, H1, DO_ADD) +DO_ZZZ_WTB(sve2_uaddw_s, uint32_t, uint16_t, H1_4, H1_2, DO_ADD) +DO_ZZZ_WTB(sve2_uaddw_d, uint64_t, uint32_t, , H1_4, DO_ADD) + +DO_ZZZ_WTB(sve2_usubw_h, uint16_t, uint8_t, H1_2, H1, DO_SUB) +DO_ZZZ_WTB(sve2_usubw_s, uint32_t, uint16_t, H1_4, H1_2, DO_SUB) +DO_ZZZ_WTB(sve2_usubw_d, uint64_t, uint32_t, , H1_4, DO_SUB) + +#undef DO_ZZZ_WTB + /* Two-operand reduction expander, controlled by a predicate. * The difference between TYPERED and TYPERET has to do with * sign-extension. E.g. for SMAX, TYPERED must be signed, diff --git a/target/arm/translate-sve.c b/target/arm/translate-sve.c index ae8323a..70900c1 100644 --- a/target/arm/translate-sve.c +++ b/target/arm/translate-sve.c @@ -6020,3 +6020,23 @@ DO_SVE2_ZZZ_TB(UABDLT, uabdl, true, true) DO_SVE2_ZZZ_TB(SADDLBT, saddl, false, true) DO_SVE2_ZZZ_TB(SSUBLBT, ssubl, false, true) DO_SVE2_ZZZ_TB(SSUBLTB, ssubl, true, false) + +#define DO_SVE2_ZZZ_WTB(NAME, name, SEL2) \ +static bool trans_##NAME(DisasContext *s, arg_rrr_esz *a) \ +{ \ + static gen_helper_gvec_3 * const fns[4] = { \ + NULL, gen_helper_sve2_##name##_h, \ + gen_helper_sve2_##name##_s, gen_helper_sve2_##name##_d, \ + }; \ + return do_sve2_zzw_ool(s, a, fns[a->esz], SEL2); \ +} + +DO_SVE2_ZZZ_WTB(SADDWB, saddw, false) +DO_SVE2_ZZZ_WTB(SADDWT, saddw, true) +DO_SVE2_ZZZ_WTB(SSUBWB, ssubw, false) +DO_SVE2_ZZZ_WTB(SSUBWT, ssubw, true) + +DO_SVE2_ZZZ_WTB(UADDWB, uaddw, false) +DO_SVE2_ZZZ_WTB(UADDWT, uaddw, true) +DO_SVE2_ZZZ_WTB(USUBWB, usubw, false) +DO_SVE2_ZZZ_WTB(USUBWT, usubw, true) |