From e9443d1098d108243f2a7a8b87550e9a5980b840 Mon Sep 17 00:00:00 2001 From: Stephen Long Date: Mon, 24 May 2021 18:03:07 -0700 Subject: target/arm: Implement SVE2 RSUBHNB, RSUBHNT This completes the section 'SVE2 integer add/subtract narrow high part' Reviewed-by: Peter Maydell Signed-off-by: Stephen Long Signed-off-by: Richard Henderson Message-id: 20210525010358.152808-42-richard.henderson@linaro.org Message-Id: <20200417162231.10374-5-steplong@quicinc.com> Signed-off-by: Richard Henderson Signed-off-by: Peter Maydell --- target/arm/helper-sve.h | 8 ++++++++ target/arm/sve.decode | 2 ++ target/arm/sve_helper.c | 10 ++++++++++ target/arm/translate-sve.c | 2 ++ 4 files changed, 22 insertions(+) diff --git a/target/arm/helper-sve.h b/target/arm/helper-sve.h index 3642e7c..98e6b57 100644 --- a/target/arm/helper-sve.h +++ b/target/arm/helper-sve.h @@ -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_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, i32, ptr, ptr, ptr, ptr, i32) DEF_HELPER_FLAGS_5(sve2_match_ppzz_h, TCG_CALL_NO_RWG, diff --git a/target/arm/sve.decode b/target/arm/sve.decode index c68bfcf..388bf92 100644 --- a/target/arm/sve.decode +++ b/target/arm/sve.decode @@ -1328,6 +1328,8 @@ RADDHNB 01000101 .. 1 ..... 011 010 ..... ..... @rd_rn_rm RADDHNT 01000101 .. 1 ..... 011 011 ..... ..... @rd_rn_rm SUBHNB 01000101 .. 1 ..... 011 100 ..... ..... @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 diff --git a/target/arm/sve_helper.c b/target/arm/sve_helper.c index 922df95..891f6ff 100644 --- a/target/arm/sve_helper.c +++ b/target/arm/sve_helper.c @@ -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_RADDHN(N, M, SH) ((N + M + ((__typeof(N))1 << (SH - 1))) >> 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_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_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_RADDHN #undef DO_ADDHN diff --git a/target/arm/translate-sve.c b/target/arm/translate-sve.c index 334c57b..484d421 100644 --- a/target/arm/translate-sve.c +++ b/target/arm/translate-sve.c @@ -7479,6 +7479,8 @@ DO_SVE2_ZZZ_NARROW(RADDHNT, raddhnt) DO_SVE2_ZZZ_NARROW(SUBHNB, subhnb) 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, gen_helper_gvec_flags_4 *fn) -- cgit v1.1