Reviewed-by: Peter Maydell <peter.mayd...@linaro.org>
Signed-off-by: Richard Henderson <richard.hender...@linaro.org>
---
target/arm/tcg/a64.decode | 10 +++
target/arm/tcg/translate-a64.c | 144 ++++++++++-----------------------
2 files changed, 51 insertions(+), 103 deletions(-)
diff --git a/target/arm/tcg/a64.decode b/target/arm/tcg/a64.decode
index 22dfe8568d..7e993ed345 100644
--- a/target/arm/tcg/a64.decode
+++ b/target/arm/tcg/a64.decode
@@ -797,6 +797,11 @@ FMLA_v 0.00 1110 0.1 ..... 11001 1 ..... .....
@qrrr_sd
FMLS_v 0.00 1110 110 ..... 00001 1 ..... ..... @qrrr_h
FMLS_v 0.00 1110 1.1 ..... 11001 1 ..... ..... @qrrr_sd
+FMLAL_v 0.00 1110 001 ..... 11101 1 ..... ..... @qrrr_h
+FMLSL_v 0.00 1110 101 ..... 11101 1 ..... ..... @qrrr_h
+FMLAL2_v 0.10 1110 001 ..... 11001 1 ..... ..... @qrrr_h
+FMLSL2_v 0.10 1110 101 ..... 11001 1 ..... ..... @qrrr_h
+
FCMEQ_v 0.00 1110 010 ..... 00100 1 ..... ..... @qrrr_h
FCMEQ_v 0.00 1110 0.1 ..... 11100 1 ..... ..... @qrrr_sd
@@ -877,3 +882,8 @@ FMLS_vi 0.00 1111 11 0 ..... 0101 . 0 ..... .....
@qrrx_d
FMULX_vi 0.10 1111 00 .. .... 1001 . 0 ..... ..... @qrrx_h
FMULX_vi 0.10 1111 10 . ..... 1001 . 0 ..... ..... @qrrx_s
FMULX_vi 0.10 1111 11 0 ..... 1001 . 0 ..... ..... @qrrx_d
+
+FMLAL_vi 0.00 1111 10 .. .... 0000 . 0 ..... ..... @qrrx_h
+FMLSL_vi 0.00 1111 10 .. .... 0100 . 0 ..... ..... @qrrx_h
+FMLAL2_vi 0.10 1111 10 .. .... 1000 . 0 ..... ..... @qrrx_h
+FMLSL2_vi 0.10 1111 10 .. .... 1100 . 0 ..... ..... @qrrx_h
diff --git a/target/arm/tcg/translate-a64.c b/target/arm/tcg/translate-a64.c
index 9fe70a939b..a4ff1fd202 100644
--- a/target/arm/tcg/translate-a64.c
+++ b/target/arm/tcg/translate-a64.c
@@ -5256,6 +5256,24 @@ static gen_helper_gvec_3_ptr * const f_vector_fminnmp[3]
= {
};
TRANS(FMINNMP_v, do_fp3_vector, a, f_vector_fminnmp)
+static bool do_fmlal(DisasContext *s, arg_qrrr_e *a, bool is_s, bool is_2)
+{
+ if (fp_access_check(s)) {
+ int data = (is_2 << 1) | is_s;
+ tcg_gen_gvec_3_ptr(vec_full_reg_offset(s, a->rd),
+ vec_full_reg_offset(s, a->rn),
+ vec_full_reg_offset(s, a->rm), tcg_env,
+ a->q ? 16 : 8, vec_full_reg_size(s),
+ data, gen_helper_gvec_fmlal_a64);
+ }
+ return true;
+}
+
+TRANS_FEAT(FMLAL_v, aa64_fhm, do_fmlal, a, false, false)
+TRANS_FEAT(FMLSL_v, aa64_fhm, do_fmlal, a, true, false)
+TRANS_FEAT(FMLAL2_v, aa64_fhm, do_fmlal, a, false, true)
+TRANS_FEAT(FMLSL2_v, aa64_fhm, do_fmlal, a, true, true)
+
TRANS(ADDP_v, do_gvec_fn3, a, gen_gvec_addp)
TRANS(SMAXP_v, do_gvec_fn3_no64, a, gen_gvec_smaxp)
TRANS(SMINP_v, do_gvec_fn3_no64, a, gen_gvec_sminp)
@@ -5447,6 +5465,24 @@ static bool do_fmla_vector_idx(DisasContext *s,
arg_qrrx_e *a, bool neg)
TRANS(FMLA_vi, do_fmla_vector_idx, a, false)
TRANS(FMLS_vi, do_fmla_vector_idx, a, true)
+static bool do_fmlal_idx(DisasContext *s, arg_qrrx_e *a, bool is_s, bool is_2)
+{
+ if (fp_access_check(s)) {
+ int data = (a->idx << 2) | (is_2 << 1) | is_s;
+ tcg_gen_gvec_3_ptr(vec_full_reg_offset(s, a->rd),
+ vec_full_reg_offset(s, a->rn),
+ vec_full_reg_offset(s, a->rm), tcg_env,
+ a->q ? 16 : 8, vec_full_reg_size(s),
+ data, gen_helper_gvec_fmlal_idx_a64);
+ }
+ return true;
+}
+
+TRANS_FEAT(FMLAL_vi, aa64_fhm, do_fmlal_idx, a, false, false)
+TRANS_FEAT(FMLSL_vi, aa64_fhm, do_fmlal_idx, a, true, false)
+TRANS_FEAT(FMLAL2_vi, aa64_fhm, do_fmlal_idx, a, false, true)
+TRANS_FEAT(FMLSL2_vi, aa64_fhm, do_fmlal_idx, a, true, true)
+
/*
* Advanced SIMD scalar pairwise
*/
@@ -10911,78 +10947,6 @@ static void disas_simd_3same_logic(DisasContext *s,
uint32_t insn)
}
}
-/* Floating point op subgroup of C3.6.16. */
-static void disas_simd_3same_float(DisasContext *s, uint32_t insn)
-{
- /* For floating point ops, the U, size[1] and opcode bits
- * together indicate the operation. size[0] indicates single
- * or double.
- */
- int fpopcode = extract32(insn, 11, 5)
- | (extract32(insn, 23, 1) << 5)
- | (extract32(insn, 29, 1) << 6);
- int is_q = extract32(insn, 30, 1);
- int size = extract32(insn, 22, 1);
- int rm = extract32(insn, 16, 5);
- int rn = extract32(insn, 5, 5);
- int rd = extract32(insn, 0, 5);
-
- if (size == 1 && !is_q) {
- unallocated_encoding(s);
- return;
- }
-
- switch (fpopcode) {
- case 0x1d: /* FMLAL */
- case 0x3d: /* FMLSL */
- case 0x59: /* FMLAL2 */
- case 0x79: /* FMLSL2 */
- if (size & 1 || !dc_isar_feature(aa64_fhm, s)) {
- unallocated_encoding(s);
- return;
- }
- if (fp_access_check(s)) {
- int is_s = extract32(insn, 23, 1);
- int is_2 = extract32(insn, 29, 1);
- int data = (is_2 << 1) | is_s;
- tcg_gen_gvec_3_ptr(vec_full_reg_offset(s, rd),
- vec_full_reg_offset(s, rn),
- vec_full_reg_offset(s, rm), tcg_env,
- is_q ? 16 : 8, vec_full_reg_size(s),
- data, gen_helper_gvec_fmlal_a64);
- }
- return;
-
- default:
- case 0x18: /* FMAXNM */
- case 0x19: /* FMLA */
- case 0x1a: /* FADD */
- case 0x1b: /* FMULX */
- case 0x1c: /* FCMEQ */
- case 0x1e: /* FMAX */
- case 0x1f: /* FRECPS */
- case 0x38: /* FMINNM */
- case 0x39: /* FMLS */
- case 0x3a: /* FSUB */
- case 0x3e: /* FMIN */
- case 0x3f: /* FRSQRTS */
- case 0x58: /* FMAXNMP */
- case 0x5a: /* FADDP */
- case 0x5b: /* FMUL */
- case 0x5c: /* FCMGE */
- case 0x5d: /* FACGE */
- case 0x5e: /* FMAXP */
- case 0x5f: /* FDIV */
- case 0x78: /* FMINNMP */
- case 0x7a: /* FABD */
- case 0x7d: /* FACGT */
- case 0x7c: /* FCMGT */
- case 0x7e: /* FMINP */
- unallocated_encoding(s);
- return;
- }
-}
-
/* Integer op subgroup of C3.6.16. */
static void disas_simd_3same_int(DisasContext *s, uint32_t insn)
{
@@ -11251,16 +11215,13 @@ static void disas_simd_three_reg_same(DisasContext
*s, uint32_t insn)
case 0x3: /* logic ops */
disas_simd_3same_logic(s, insn);
break;
- case 0x18 ... 0x31:
- /* floating point ops, sz[1] and U are part of opcode */
- disas_simd_3same_float(s, insn);
- break;
default:
disas_simd_3same_int(s, insn);
break;
case 0x14: /* SMAXP, UMAXP */
case 0x15: /* SMINP, UMINP */
case 0x17: /* ADDP */
+ case 0x18 ... 0x31: /* floating point ops */
unallocated_encoding(s);
break;
}
@@ -12526,22 +12487,15 @@ static void disas_simd_indexed(DisasContext *s,
uint32_t insn)
}
is_fp = 2;
break;
- case 0x00: /* FMLAL */
- case 0x04: /* FMLSL */
- case 0x18: /* FMLAL2 */
- case 0x1c: /* FMLSL2 */
- if (is_scalar || size != MO_32 || !dc_isar_feature(aa64_fhm, s)) {
- unallocated_encoding(s);
- return;
- }
- size = MO_16;
- /* is_fp, but we pass tcg_env not fp_status. */
- break;
default:
+ case 0x00: /* FMLAL */
case 0x01: /* FMLA */
+ case 0x04: /* FMLSL */
case 0x05: /* FMLS */
case 0x09: /* FMUL */
+ case 0x18: /* FMLAL2 */
case 0x19: /* FMULX */
+ case 0x1c: /* FMLSL2 */
unallocated_encoding(s);
return;
}
@@ -12660,22 +12614,6 @@ static void disas_simd_indexed(DisasContext *s,
uint32_t insn)
}
return;
- case 0x00: /* FMLAL */
- case 0x04: /* FMLSL */
- case 0x18: /* FMLAL2 */
- case 0x1c: /* FMLSL2 */
- {
- int is_s = extract32(opcode, 2, 1);
- int is_2 = u;
- int data = (index << 2) | (is_2 << 1) | is_s;
- tcg_gen_gvec_3_ptr(vec_full_reg_offset(s, rd),
- vec_full_reg_offset(s, rn),
- vec_full_reg_offset(s, rm), tcg_env,
- is_q ? 16 : 8, vec_full_reg_size(s),
- data, gen_helper_gvec_fmlal_idx_a64);
- }
- return;
-
case 0x08: /* MUL */
if (!is_long && !is_scalar) {
static gen_helper_gvec_3 * const fns[3] = {
--
2.34.1
