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target/arm: Implement SVE2 RSUBHNB, RSUBHNT

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This completes the section 'SVE2 integer add/subtract narrow high part'

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: 20210525010358.152808-42-richard.henderson@linaro.org
Message-Id: <20200417162231.10374-5-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 18:03:07 -07:00 committed by Peter Maydell
parent c3cd676685
commit e9443d1098
4 changed files with 22 additions and 0 deletions
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8
target/arm/helper-sve.h
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@ -2533,6 +2533,14 @@ DEF_HELPER_FLAGS_4(sve2_subhnt_h, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_4(sve2_subhnt_s, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32) DEF_HELPER_FLAGS_4(sve2_subhnt_s, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_4(sve2_subhnt_d, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32) DEF_HELPER_FLAGS_4(sve2_subhnt_d, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_4(sve2_rsubhnb_h, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_4(sve2_rsubhnb_s, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_4(sve2_rsubhnb_d, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_4(sve2_rsubhnt_h, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_4(sve2_rsubhnt_s, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_4(sve2_rsubhnt_d, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_5(sve2_match_ppzz_b, TCG_CALL_NO_RWG, DEF_HELPER_FLAGS_5(sve2_match_ppzz_b, TCG_CALL_NO_RWG,
i32, ptr, ptr, ptr, ptr, i32) i32, ptr, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_5(sve2_match_ppzz_h, TCG_CALL_NO_RWG, DEF_HELPER_FLAGS_5(sve2_match_ppzz_h, TCG_CALL_NO_RWG,

2
target/arm/sve.decode
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@ -1328,6 +1328,8 @@ RADDHNB 01000101 .. 1 ..... 011 010 ..... ..... @rd_rn_rm
RADDHNT 01000101 .. 1 ..... 011 011 ..... ..... @rd_rn_rm RADDHNT 01000101 .. 1 ..... 011 011 ..... ..... @rd_rn_rm
SUBHNB 01000101 .. 1 ..... 011 100 ..... ..... @rd_rn_rm SUBHNB 01000101 .. 1 ..... 011 100 ..... ..... @rd_rn_rm
SUBHNT 01000101 .. 1 ..... 011 101 ..... ..... @rd_rn_rm SUBHNT 01000101 .. 1 ..... 011 101 ..... ..... @rd_rn_rm
RSUBHNB 01000101 .. 1 ..... 011 110 ..... ..... @rd_rn_rm
RSUBHNT 01000101 .. 1 ..... 011 111 ..... ..... @rd_rn_rm
### SVE2 Character Match ### SVE2 Character Match

10
target/arm/sve_helper.c
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@ -2146,6 +2146,7 @@ void HELPER(NAME)(void *vd, void *vn, void *vm, uint32_t desc) \
#define DO_ADDHN(N, M, SH) ((N + M) >> SH) #define DO_ADDHN(N, M, SH) ((N + M) >> SH)
#define DO_RADDHN(N, M, SH) ((N + M + ((__typeof(N))1 << (SH - 1))) >> SH) #define DO_RADDHN(N, M, SH) ((N + M + ((__typeof(N))1 << (SH - 1))) >> SH)
#define DO_SUBHN(N, M, SH) ((N - M) >> SH) #define DO_SUBHN(N, M, SH) ((N - M) >> SH)
#define DO_RSUBHN(N, M, SH) ((N - M + ((__typeof(N))1 << (SH - 1))) >> SH)
DO_BINOPNB(sve2_addhnb_h, uint16_t, uint8_t, 8, DO_ADDHN) 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_s, uint32_t, uint16_t, 16, DO_ADDHN)
@ -2171,6 +2172,15 @@ DO_BINOPNT(sve2_subhnt_h, uint16_t, uint8_t, 8, H1_2, H1, DO_SUBHN)
DO_BINOPNT(sve2_subhnt_s, uint32_t, uint16_t, 16, H1_4, H1_2, DO_SUBHN) DO_BINOPNT(sve2_subhnt_s, uint32_t, uint16_t, 16, H1_4, H1_2, DO_SUBHN)
DO_BINOPNT(sve2_subhnt_d, uint64_t, uint32_t, 32, , H1_4, DO_SUBHN) DO_BINOPNT(sve2_subhnt_d, uint64_t, uint32_t, 32, , H1_4, DO_SUBHN)
DO_BINOPNB(sve2_rsubhnb_h, uint16_t, uint8_t, 8, DO_RSUBHN)
DO_BINOPNB(sve2_rsubhnb_s, uint32_t, uint16_t, 16, DO_RSUBHN)
DO_BINOPNB(sve2_rsubhnb_d, uint64_t, uint32_t, 32, DO_RSUBHN)
DO_BINOPNT(sve2_rsubhnt_h, uint16_t, uint8_t, 8, H1_2, H1, DO_RSUBHN)
DO_BINOPNT(sve2_rsubhnt_s, uint32_t, uint16_t, 16, H1_4, H1_2, DO_RSUBHN)
DO_BINOPNT(sve2_rsubhnt_d, uint64_t, uint32_t, 32, , H1_4, DO_RSUBHN)
#undef DO_RSUBHN
#undef DO_SUBHN #undef DO_SUBHN
#undef DO_RADDHN #undef DO_RADDHN
#undef DO_ADDHN #undef DO_ADDHN

2
target/arm/translate-sve.c
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@ -7479,6 +7479,8 @@ DO_SVE2_ZZZ_NARROW(RADDHNT, raddhnt)
DO_SVE2_ZZZ_NARROW(SUBHNB, subhnb) DO_SVE2_ZZZ_NARROW(SUBHNB, subhnb)
DO_SVE2_ZZZ_NARROW(SUBHNT, subhnt) DO_SVE2_ZZZ_NARROW(SUBHNT, subhnt)
DO_SVE2_ZZZ_NARROW(RSUBHNB, rsubhnb)
DO_SVE2_ZZZ_NARROW(RSUBHNT, rsubhnt)
static bool do_sve2_ppzz_flags(DisasContext *s, arg_rprr_esz *a, static bool do_sve2_ppzz_flags(DisasContext *s, arg_rprr_esz *a,
gen_helper_gvec_flags_4 *fn) gen_helper_gvec_flags_4 *fn)