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target/arm: Implement SVE2 ADDHNB, ADDHNT 

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Stephen Long <steplong@quicinc.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20210525010358.152808-39-richard.henderson@linaro.org
Message-Id: <20200417162231.10374-2-steplong@quicinc.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Stephen Long 2021-05-24 18:03:04 -07:00 committed by Peter Maydell
parent d782d3ca9f
commit 40d5ea508e
4 changed files with 62 additions and 0 deletions
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8
target/arm/helper-sve.h
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@ -2509,6 +2509,14 @@ DEF_HELPER_FLAGS_3(sve2_uqrshrnt_h, TCG_CALL_NO_RWG, void, ptr, ptr, i32)
DEF_HELPER_FLAGS_3(sve2_uqrshrnt_s, TCG_CALL_NO_RWG, void, ptr, ptr, i32)
DEF_HELPER_FLAGS_3(sve2_uqrshrnt_d, TCG_CALL_NO_RWG, void, ptr, ptr, i32)
DEF_HELPER_FLAGS_4(sve2_addhnb_h, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_4(sve2_addhnb_s, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_4(sve2_addhnb_d, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_4(sve2_addhnt_h, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_4(sve2_addhnt_s, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_4(sve2_addhnt_d, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_5(sve2_match_ppzz_b, TCG_CALL_NO_RWG,
i32, ptr, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_5(sve2_match_ppzz_h, TCG_CALL_NO_RWG,

5
target/arm/sve.decode
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@ -1320,6 +1320,11 @@ UQSHRNT 01000101 .. 1 ..... 00 1101 ..... ..... @rd_rn_tszimm_shr
UQRSHRNB 01000101 .. 1 ..... 00 1110 ..... ..... @rd_rn_tszimm_shr
UQRSHRNT 01000101 .. 1 ..... 00 1111 ..... ..... @rd_rn_tszimm_shr
## SVE2 integer add/subtract narrow high part
ADDHNB 01000101 .. 1 ..... 011 000 ..... ..... @rd_rn_rm
ADDHNT 01000101 .. 1 ..... 011 001 ..... ..... @rd_rn_rm
### SVE2 Character Match
MATCH 01000101 .. 1 ..... 100 ... ..... 0 .... @pd_pg_rn_rm

36
target/arm/sve_helper.c
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@ -2121,6 +2121,42 @@ DO_SHRNT(sve2_uqrshrnt_d, uint64_t, uint32_t, , H1_4, DO_UQRSHRN_D)
#undef DO_SHRNB
#undef DO_SHRNT
#define DO_BINOPNB(NAME, TYPEW, TYPEN, SHIFT, OP) \
void HELPER(NAME)(void *vd, void *vn, void *vm, uint32_t desc) \
{ \
intptr_t i, opr_sz = simd_oprsz(desc); \
for (i = 0; i < opr_sz; i += sizeof(TYPEW)) { \
TYPEW nn = *(TYPEW *)(vn + i); \
TYPEW mm = *(TYPEW *)(vm + i); \
*(TYPEW *)(vd + i) = (TYPEN)OP(nn, mm, SHIFT); \
} \
}
#define DO_BINOPNT(NAME, TYPEW, TYPEN, SHIFT, HW, HN, OP) \
void HELPER(NAME)(void *vd, void *vn, void *vm, uint32_t desc) \
{ \
intptr_t i, opr_sz = simd_oprsz(desc); \
for (i = 0; i < opr_sz; i += sizeof(TYPEW)) { \
TYPEW nn = *(TYPEW *)(vn + HW(i)); \
TYPEW mm = *(TYPEW *)(vm + HW(i)); \
*(TYPEN *)(vd + HN(i + sizeof(TYPEN))) = OP(nn, mm, SHIFT); \
} \
}
#define DO_ADDHN(N, M, SH) ((N + M) >> SH)
DO_BINOPNB(sve2_addhnb_h, uint16_t, uint8_t, 8, DO_ADDHN)
DO_BINOPNB(sve2_addhnb_s, uint32_t, uint16_t, 16, DO_ADDHN)
DO_BINOPNB(sve2_addhnb_d, uint64_t, uint32_t, 32, DO_ADDHN)
DO_BINOPNT(sve2_addhnt_h, uint16_t, uint8_t, 8, H1_2, H1, DO_ADDHN)
DO_BINOPNT(sve2_addhnt_s, uint32_t, uint16_t, 16, H1_4, H1_2, DO_ADDHN)
DO_BINOPNT(sve2_addhnt_d, uint64_t, uint32_t, 32, , H1_4, DO_ADDHN)
#undef DO_ADDHN
#undef DO_BINOPNB
/* Fully general four-operand expander, controlled by a predicate.
*/
#define DO_ZPZZZ(NAME, TYPE, H, OP) \

13
target/arm/translate-sve.c
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@ -7462,6 +7462,19 @@ static bool trans_UQRSHRNT(DisasContext *s, arg_rri_esz *a)
return do_sve2_shr_narrow(s, a, ops);
}
#define DO_SVE2_ZZZ_NARROW(NAME, name) \
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_zzz_ool(s, a, fns[a->esz]); \
}
DO_SVE2_ZZZ_NARROW(ADDHNB, addhnb)
DO_SVE2_ZZZ_NARROW(ADDHNT, addhnt)
static bool do_sve2_ppzz_flags(DisasContext *s, arg_rprr_esz *a,
gen_helper_gvec_flags_4 *fn)
{