Signed-off-by: Richard Henderson <[email protected]>
---
target/arm/tcg/helper-fp8-defs.h | 1 +
target/arm/tcg/fp8_helper.c | 16 ++++++++++++++++
target/arm/tcg/translate-sve.c | 9 +++++++++
target/arm/tcg/sve.decode | 5 +++++
4 files changed, 31 insertions(+)
diff --git a/target/arm/tcg/helper-fp8-defs.h b/target/arm/tcg/helper-fp8-defs.h
index 718463422b..3021dafd44 100644
--- a/target/arm/tcg/helper-fp8-defs.h
+++ b/target/arm/tcg/helper-fp8-defs.h
@@ -9,3 +9,4 @@ DEF_HELPER_FLAGS_4(sme2_bfcvt_hb, TCG_CALL_NO_RWG, void, ptr,
ptr, env, i32)
DEF_HELPER_FLAGS_4(sme2_bfcvtl_hb, TCG_CALL_NO_RWG, void, ptr, ptr, env, i32)
DEF_HELPER_FLAGS_4(advsimd_fcvtl_hb, TCG_CALL_NO_RWG, void, ptr, ptr, env, i32)
+DEF_HELPER_FLAGS_4(sve2_fcvt_hb, TCG_CALL_NO_RWG, void, ptr, ptr, env, i32)
diff --git a/target/arm/tcg/fp8_helper.c b/target/arm/tcg/fp8_helper.c
index 90f17f9e10..0e906f2d83 100644
--- a/target/arm/tcg/fp8_helper.c
+++ b/target/arm/tcg/fp8_helper.c
@@ -170,6 +170,22 @@ void HELPER(sve2_bfcvt)(void *vd, void *vn, CPUARMState
*env, uint32_t desc)
fp8_finish(env, &ctx);
}
+void HELPER(sve2_fcvt_hb)(void *vd, void *vn, CPUARMState *env, uint32_t desc)
+{
+ FP8Context ctx = fp8_src_start(env, desc, 0xf);
+ fp8_input_fn *input_fmt = fp8_input_fmt[ctx.f8fmt];
+ uint8_t *n = vn;
+ uint16_t *d = vd;
+ size_t nelem = simd_oprsz(desc) / 2;
+
+ for (size_t i = 0; i < nelem; ++i) {
+ d[H2(i)] = fcvt_fp8_to_f16(n[H1(2 * i + ctx.high)],
+ input_fmt, ctx.scale, &ctx.stat);
+ }
+
+ fp8_finish(env, &ctx);
+}
+
void HELPER(sme2_bfcvt_hb)(void *vd, void *vn, CPUARMState *env, uint32_t desc)
{
FP8Context ctx = fp8_src_start(env, desc, 0x3f);
diff --git a/target/arm/tcg/translate-sve.c b/target/arm/tcg/translate-sve.c
index 9bab5feb93..5200f3d034 100644
--- a/target/arm/tcg/translate-sve.c
+++ b/target/arm/tcg/translate-sve.c
@@ -4081,6 +4081,15 @@ static bool do_f8cvt(DisasContext *s, arg_rr_esz *a,
return true;
}
+TRANS_FEAT(F1CVT, aa64_sme2_or_sve2_f8cvt, do_f8cvt, a,
+ gen_helper_sve2_fcvt_hb, false, false)
+TRANS_FEAT(F2CVT, aa64_sme2_or_sve2_f8cvt, do_f8cvt, a,
+ gen_helper_sve2_fcvt_hb, true, false)
+TRANS_FEAT(F1CVTLT, aa64_sme2_or_sve2_f8cvt, do_f8cvt, a,
+ gen_helper_sve2_fcvt_hb, false, true)
+TRANS_FEAT(F2CVTLT, aa64_sme2_or_sve2_f8cvt, do_f8cvt, a,
+ gen_helper_sve2_fcvt_hb, true, true)
+
TRANS_FEAT(BF1CVT, aa64_sme2_or_sve2_f8cvt, do_f8cvt, a,
gen_helper_sve2_bfcvt, false, false)
TRANS_FEAT(BF2CVT, aa64_sme2_or_sve2_f8cvt, do_f8cvt, a,
diff --git a/target/arm/tcg/sve.decode b/target/arm/tcg/sve.decode
index e7984fa8e0..ca110f4bc1 100644
--- a/target/arm/tcg/sve.decode
+++ b/target/arm/tcg/sve.decode
@@ -1091,6 +1091,11 @@ FMINQV 01100100 .. 010 111 101 ... ..... .....
@rd_pg_rn
FRECPE 01100101 .. 001 110 001100 ..... ..... @rd_rn
FRSQRTE 01100101 .. 001 111 001100 ..... ..... @rd_rn
+F1CVT 01100101 00 001 000 001100 ..... ..... @rd_rn_e0
+F2CVT 01100101 00 001 000 001101 ..... ..... @rd_rn_e0
+F1CVTLT 01100101 00 001 001 001100 ..... ..... @rd_rn_e0
+F2CVTLT 01100101 00 001 001 001101 ..... ..... @rd_rn_e0
+
BF1CVT 01100101 00 001 000 001110 ..... ..... @rd_rn_e0
BF2CVT 01100101 00 001 000 001111 ..... ..... @rd_rn_e0
BF1CVTLT 01100101 00 001 001 001110 ..... ..... @rd_rn_e0
--
2.43.0
