diff options
author | Richard Henderson <richard.henderson@linaro.org> | 2024-05-24 16:20:40 -0700 |
---|---|---|
committer | Peter Maydell <peter.maydell@linaro.org> | 2024-05-28 14:29:01 +0100 |
commit | 43454734c49e8289c4068f19a7f10beac6ba953c (patch) | |
tree | c63718d256e9964b677dcb64432addada0196121 | |
parent | 4fe068fac000fe8182a334c3bd5bb4bfe7a0f1e9 (diff) |
target/arm: Convert FABD to decodetree
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20240524232121.284515-27-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
-rw-r--r-- | target/arm/helper.h | 1 | ||||
-rw-r--r-- | target/arm/tcg/a64.decode | 6 | ||||
-rw-r--r-- | target/arm/tcg/translate-a64.c | 60 | ||||
-rw-r--r-- | target/arm/tcg/vec_helper.c | 6 |
4 files changed, 53 insertions, 20 deletions
diff --git a/target/arm/helper.h b/target/arm/helper.h index 8d076011c1..ff6e3094f4 100644 --- a/target/arm/helper.h +++ b/target/arm/helper.h @@ -724,6 +724,7 @@ DEF_HELPER_FLAGS_5(gvec_fmul_d, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, ptr, i32) DEF_HELPER_FLAGS_5(gvec_fabd_h, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, ptr, i32) DEF_HELPER_FLAGS_5(gvec_fabd_s, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, ptr, i32) +DEF_HELPER_FLAGS_5(gvec_fabd_d, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, ptr, i32) DEF_HELPER_FLAGS_5(gvec_fceq_h, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, ptr, i32) DEF_HELPER_FLAGS_5(gvec_fceq_s, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, ptr, i32) diff --git a/target/arm/tcg/a64.decode b/target/arm/tcg/a64.decode index 7fc3277be6..a852b5f06f 100644 --- a/target/arm/tcg/a64.decode +++ b/target/arm/tcg/a64.decode @@ -728,6 +728,9 @@ FACGE_s 0111 1110 0.1 ..... 11101 1 ..... ..... @rrr_sd FACGT_s 0111 1110 110 ..... 00101 1 ..... ..... @rrr_h FACGT_s 0111 1110 1.1 ..... 11101 1 ..... ..... @rrr_sd +FABD_s 0111 1110 110 ..... 00010 1 ..... ..... @rrr_h +FABD_s 0111 1110 1.1 ..... 11010 1 ..... ..... @rrr_sd + ### Advanced SIMD three same FADD_v 0.00 1110 010 ..... 00010 1 ..... ..... @qrrr_h @@ -778,6 +781,9 @@ FACGE_v 0.10 1110 0.1 ..... 11101 1 ..... ..... @qrrr_sd FACGT_v 0.10 1110 110 ..... 00101 1 ..... ..... @qrrr_h FACGT_v 0.10 1110 1.1 ..... 11101 1 ..... ..... @qrrr_sd +FABD_v 0.10 1110 110 ..... 00010 1 ..... ..... @qrrr_h +FABD_v 0.10 1110 1.1 ..... 11010 1 ..... ..... @qrrr_sd + ### Advanced SIMD scalar x indexed element FMUL_si 0101 1111 00 .. .... 1001 . 0 ..... ..... @rrx_h diff --git a/target/arm/tcg/translate-a64.c b/target/arm/tcg/translate-a64.c index 75b0c1a005..633384d2a5 100644 --- a/target/arm/tcg/translate-a64.c +++ b/target/arm/tcg/translate-a64.c @@ -5010,6 +5010,31 @@ static const FPScalar f_scalar_facgt = { }; TRANS(FACGT_s, do_fp3_scalar, a, &f_scalar_facgt) +static void gen_fabd_h(TCGv_i32 d, TCGv_i32 n, TCGv_i32 m, TCGv_ptr s) +{ + gen_helper_vfp_subh(d, n, m, s); + gen_vfp_absh(d, d); +} + +static void gen_fabd_s(TCGv_i32 d, TCGv_i32 n, TCGv_i32 m, TCGv_ptr s) +{ + gen_helper_vfp_subs(d, n, m, s); + gen_vfp_abss(d, d); +} + +static void gen_fabd_d(TCGv_i64 d, TCGv_i64 n, TCGv_i64 m, TCGv_ptr s) +{ + gen_helper_vfp_subd(d, n, m, s); + gen_vfp_absd(d, d); +} + +static const FPScalar f_scalar_fabd = { + gen_fabd_h, + gen_fabd_s, + gen_fabd_d, +}; +TRANS(FABD_s, do_fp3_scalar, a, &f_scalar_fabd) + static bool do_fp3_vector(DisasContext *s, arg_qrrr_e *a, gen_helper_gvec_3_ptr * const fns[3]) { @@ -5150,6 +5175,13 @@ static gen_helper_gvec_3_ptr * const f_vector_facgt[3] = { }; TRANS(FACGT_v, do_fp3_vector, a, f_vector_facgt) +static gen_helper_gvec_3_ptr * const f_vector_fabd[3] = { + gen_helper_gvec_fabd_h, + gen_helper_gvec_fabd_s, + gen_helper_gvec_fabd_d, +}; +TRANS(FABD_v, do_fp3_vector, a, f_vector_fabd) + /* * Advanced SIMD scalar/vector x indexed element */ @@ -9303,10 +9335,6 @@ static void handle_3same_float(DisasContext *s, int size, int elements, case 0x3f: /* FRSQRTS */ gen_helper_rsqrtsf_f64(tcg_res, tcg_op1, tcg_op2, fpst); break; - case 0x7a: /* FABD */ - gen_helper_vfp_subd(tcg_res, tcg_op1, tcg_op2, fpst); - gen_vfp_absd(tcg_res, tcg_res); - break; default: case 0x18: /* FMAXNM */ case 0x19: /* FMLA */ @@ -9322,6 +9350,7 @@ static void handle_3same_float(DisasContext *s, int size, int elements, case 0x5c: /* FCMGE */ case 0x5d: /* FACGE */ case 0x5f: /* FDIV */ + case 0x7a: /* FABD */ case 0x7c: /* FCMGT */ case 0x7d: /* FACGT */ g_assert_not_reached(); @@ -9344,10 +9373,6 @@ static void handle_3same_float(DisasContext *s, int size, int elements, case 0x3f: /* FRSQRTS */ gen_helper_rsqrtsf_f32(tcg_res, tcg_op1, tcg_op2, fpst); break; - case 0x7a: /* FABD */ - gen_helper_vfp_subs(tcg_res, tcg_op1, tcg_op2, fpst); - gen_vfp_abss(tcg_res, tcg_res); - break; default: case 0x18: /* FMAXNM */ case 0x19: /* FMLA */ @@ -9363,6 +9388,7 @@ static void handle_3same_float(DisasContext *s, int size, int elements, case 0x5c: /* FCMGE */ case 0x5d: /* FACGE */ case 0x5f: /* FDIV */ + case 0x7a: /* FABD */ case 0x7c: /* FCMGT */ case 0x7d: /* FACGT */ g_assert_not_reached(); @@ -9405,7 +9431,6 @@ static void disas_simd_scalar_three_reg_same(DisasContext *s, uint32_t insn) switch (fpopcode) { case 0x1f: /* FRECPS */ case 0x3f: /* FRSQRTS */ - case 0x7a: /* FABD */ break; default: case 0x1b: /* FMULX */ @@ -9413,6 +9438,7 @@ static void disas_simd_scalar_three_reg_same(DisasContext *s, uint32_t insn) case 0x7d: /* FACGT */ case 0x1c: /* FCMEQ */ case 0x5c: /* FCMGE */ + case 0x7a: /* FABD */ case 0x7c: /* FCMGT */ unallocated_encoding(s); return; @@ -9568,13 +9594,13 @@ static void disas_simd_scalar_three_reg_same_fp16(DisasContext *s, switch (fpopcode) { case 0x07: /* FRECPS */ case 0x0f: /* FRSQRTS */ - case 0x1a: /* FABD */ break; default: case 0x03: /* FMULX */ case 0x04: /* FCMEQ (reg) */ case 0x14: /* FCMGE (reg) */ case 0x15: /* FACGE */ + case 0x1a: /* FABD */ case 0x1c: /* FCMGT (reg) */ case 0x1d: /* FACGT */ unallocated_encoding(s); @@ -9602,15 +9628,12 @@ static void disas_simd_scalar_three_reg_same_fp16(DisasContext *s, case 0x0f: /* FRSQRTS */ gen_helper_rsqrtsf_f16(tcg_res, tcg_op1, tcg_op2, fpst); break; - case 0x1a: /* FABD */ - gen_helper_advsimd_subh(tcg_res, tcg_op1, tcg_op2, fpst); - tcg_gen_andi_i32(tcg_res, tcg_res, 0x7fff); - break; default: case 0x03: /* FMULX */ case 0x04: /* FCMEQ (reg) */ case 0x14: /* FCMGE (reg) */ case 0x15: /* FACGE */ + case 0x1a: /* FABD */ case 0x1c: /* FCMGT (reg) */ case 0x1d: /* FACGT */ g_assert_not_reached(); @@ -11272,7 +11295,6 @@ static void disas_simd_3same_float(DisasContext *s, uint32_t insn) return; case 0x1f: /* FRECPS */ case 0x3f: /* FRSQRTS */ - case 0x7a: /* FABD */ if (!fp_access_check(s)) { return; } @@ -11314,6 +11336,7 @@ static void disas_simd_3same_float(DisasContext *s, uint32_t insn) case 0x5c: /* FCMGE */ case 0x5d: /* FACGE */ case 0x5f: /* FDIV */ + case 0x7a: /* FABD */ case 0x7d: /* FACGT */ case 0x7c: /* FCMGT */ unallocated_encoding(s); @@ -11659,7 +11682,6 @@ static void disas_simd_three_reg_same_fp16(DisasContext *s, uint32_t insn) switch (fpopcode) { case 0x7: /* FRECPS */ case 0xf: /* FRSQRTS */ - case 0x1a: /* FABD */ pairwise = false; break; case 0x10: /* FMAXNMP */ @@ -11684,6 +11706,7 @@ static void disas_simd_three_reg_same_fp16(DisasContext *s, uint32_t insn) case 0x14: /* FCMGE */ case 0x15: /* FACGE */ case 0x17: /* FDIV */ + case 0x1a: /* FABD */ case 0x1c: /* FCMGT */ case 0x1d: /* FACGT */ unallocated_encoding(s); @@ -11757,10 +11780,6 @@ static void disas_simd_three_reg_same_fp16(DisasContext *s, uint32_t insn) case 0xf: /* FRSQRTS */ gen_helper_rsqrtsf_f16(tcg_res, tcg_op1, tcg_op2, fpst); break; - case 0x1a: /* FABD */ - gen_helper_advsimd_subh(tcg_res, tcg_op1, tcg_op2, fpst); - tcg_gen_andi_i32(tcg_res, tcg_res, 0x7fff); - break; default: case 0x0: /* FMAXNM */ case 0x1: /* FMLA */ @@ -11776,6 +11795,7 @@ static void disas_simd_three_reg_same_fp16(DisasContext *s, uint32_t insn) case 0x14: /* FCMGE */ case 0x15: /* FACGE */ case 0x17: /* FDIV */ + case 0x1a: /* FABD */ case 0x1c: /* FCMGT */ case 0x1d: /* FACGT */ g_assert_not_reached(); diff --git a/target/arm/tcg/vec_helper.c b/target/arm/tcg/vec_helper.c index dabefa3526..e9d7922f30 100644 --- a/target/arm/tcg/vec_helper.c +++ b/target/arm/tcg/vec_helper.c @@ -1154,6 +1154,11 @@ static float32 float32_abd(float32 op1, float32 op2, float_status *stat) return float32_abs(float32_sub(op1, op2, stat)); } +static float64 float64_abd(float64 op1, float64 op2, float_status *stat) +{ + return float64_abs(float64_sub(op1, op2, stat)); +} + /* * Reciprocal step. These are the AArch32 version which uses a * non-fused multiply-and-subtract. @@ -1238,6 +1243,7 @@ DO_3OP(gvec_ftsmul_d, float64_ftsmul, float64) DO_3OP(gvec_fabd_h, float16_abd, float16) DO_3OP(gvec_fabd_s, float32_abd, float32) +DO_3OP(gvec_fabd_d, float64_abd, float64) DO_3OP(gvec_fceq_h, float16_ceq, float16) DO_3OP(gvec_fceq_s, float32_ceq, float32) |