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Diffstat (limited to 'target/arm/tcg/translate-a64.c')
-rw-r--r--target/arm/tcg/translate-a64.c227
1 files changed, 73 insertions, 154 deletions
diff --git a/target/arm/tcg/translate-a64.c b/target/arm/tcg/translate-a64.c
index 1c4e537..ec1ce44 100644
--- a/target/arm/tcg/translate-a64.c
+++ b/target/arm/tcg/translate-a64.c
@@ -9348,56 +9348,38 @@ static gen_helper_gvec_2_ptr * const f_fcvtzu_vf[] = {
TRANS(FCVTZU_vf, do_gvec_op2_fpst,
a->esz, a->q, a->rd, a->rn, a->shift, f_fcvtzu_vf)
-static void handle_2misc_64(DisasContext *s, int opcode, bool u,
- TCGv_i64 tcg_rd, TCGv_i64 tcg_rn,
- TCGv_i32 tcg_rmode, TCGv_ptr tcg_fpstatus)
-{
- /* Handle 64->64 opcodes which are shared between the scalar and
- * vector 2-reg-misc groups. We cover every integer opcode where size == 3
- * is valid in either group and also the double-precision fp ops.
- * The caller only need provide tcg_rmode and tcg_fpstatus if the op
- * requires them.
- */
- switch (opcode) {
- case 0x1a: /* FCVTNS */
- case 0x1b: /* FCVTMS */
- case 0x1c: /* FCVTAS */
- case 0x3a: /* FCVTPS */
- case 0x3b: /* FCVTZS */
- gen_helper_vfp_tosqd(tcg_rd, tcg_rn, tcg_constant_i32(0), tcg_fpstatus);
- break;
- case 0x5a: /* FCVTNU */
- case 0x5b: /* FCVTMU */
- case 0x5c: /* FCVTAU */
- case 0x7a: /* FCVTPU */
- case 0x7b: /* FCVTZU */
- gen_helper_vfp_touqd(tcg_rd, tcg_rn, tcg_constant_i32(0), tcg_fpstatus);
- break;
- default:
- case 0x4: /* CLS, CLZ */
- case 0x5: /* NOT */
- case 0x7: /* SQABS, SQNEG */
- case 0x8: /* CMGT, CMGE */
- case 0x9: /* CMEQ, CMLE */
- case 0xa: /* CMLT */
- case 0xb: /* ABS, NEG */
- case 0x2f: /* FABS */
- case 0x6f: /* FNEG */
- case 0x7f: /* FSQRT */
- case 0x18: /* FRINTN */
- case 0x19: /* FRINTM */
- case 0x38: /* FRINTP */
- case 0x39: /* FRINTZ */
- case 0x58: /* FRINTA */
- case 0x79: /* FRINTI */
- case 0x59: /* FRINTX */
- case 0x1e: /* FRINT32Z */
- case 0x5e: /* FRINT32X */
- case 0x1f: /* FRINT64Z */
- case 0x5f: /* FRINT64X */
- g_assert_not_reached();
- }
-}
+static gen_helper_gvec_2_ptr * const f_fcvt_s_vi[] = {
+ gen_helper_gvec_vcvt_rm_sh,
+ gen_helper_gvec_vcvt_rm_ss,
+ gen_helper_gvec_vcvt_rm_sd,
+};
+
+static gen_helper_gvec_2_ptr * const f_fcvt_u_vi[] = {
+ gen_helper_gvec_vcvt_rm_uh,
+ gen_helper_gvec_vcvt_rm_us,
+ gen_helper_gvec_vcvt_rm_ud,
+};
+
+TRANS(FCVTNS_vi, do_gvec_op2_fpst,
+ a->esz, a->q, a->rd, a->rn, float_round_nearest_even, f_fcvt_s_vi)
+TRANS(FCVTNU_vi, do_gvec_op2_fpst,
+ a->esz, a->q, a->rd, a->rn, float_round_nearest_even, f_fcvt_u_vi)
+TRANS(FCVTPS_vi, do_gvec_op2_fpst,
+ a->esz, a->q, a->rd, a->rn, float_round_up, f_fcvt_s_vi)
+TRANS(FCVTPU_vi, do_gvec_op2_fpst,
+ a->esz, a->q, a->rd, a->rn, float_round_up, f_fcvt_u_vi)
+TRANS(FCVTMS_vi, do_gvec_op2_fpst,
+ a->esz, a->q, a->rd, a->rn, float_round_down, f_fcvt_s_vi)
+TRANS(FCVTMU_vi, do_gvec_op2_fpst,
+ a->esz, a->q, a->rd, a->rn, float_round_down, f_fcvt_u_vi)
+TRANS(FCVTZS_vi, do_gvec_op2_fpst,
+ a->esz, a->q, a->rd, a->rn, float_round_to_zero, f_fcvt_s_vi)
+TRANS(FCVTZU_vi, do_gvec_op2_fpst,
+ a->esz, a->q, a->rd, a->rn, float_round_to_zero, f_fcvt_u_vi)
+TRANS(FCVTAS_vi, do_gvec_op2_fpst,
+ a->esz, a->q, a->rd, a->rn, float_round_ties_away, f_fcvt_s_vi)
+TRANS(FCVTAU_vi, do_gvec_op2_fpst,
+ a->esz, a->q, a->rd, a->rn, float_round_ties_away, f_fcvt_u_vi)
static void handle_2misc_fcmp_zero(DisasContext *s, int opcode,
bool is_scalar, bool is_u, bool is_q,
@@ -9758,30 +9740,6 @@ static void disas_simd_two_reg_misc(DisasContext *s, uint32_t insn)
}
handle_2misc_fcmp_zero(s, opcode, false, u, is_q, size, rn, rd);
return;
- case 0x1a: /* FCVTNS */
- case 0x1b: /* FCVTMS */
- case 0x3a: /* FCVTPS */
- case 0x3b: /* FCVTZS */
- case 0x5a: /* FCVTNU */
- case 0x5b: /* FCVTMU */
- case 0x7a: /* FCVTPU */
- case 0x7b: /* FCVTZU */
- need_fpstatus = true;
- rmode = extract32(opcode, 5, 1) | (extract32(opcode, 0, 1) << 1);
- if (size == 3 && !is_q) {
- unallocated_encoding(s);
- return;
- }
- break;
- case 0x5c: /* FCVTAU */
- case 0x1c: /* FCVTAS */
- need_fpstatus = true;
- rmode = FPROUNDING_TIEAWAY;
- if (size == 3 && !is_q) {
- unallocated_encoding(s);
- return;
- }
- break;
case 0x3c: /* URECPE */
if (size == 3) {
unallocated_encoding(s);
@@ -9831,6 +9789,16 @@ static void disas_simd_two_reg_misc(DisasContext *s, uint32_t insn)
case 0x5f: /* FRINT64X */
case 0x1d: /* SCVTF */
case 0x5d: /* UCVTF */
+ case 0x1a: /* FCVTNS */
+ case 0x1b: /* FCVTMS */
+ case 0x3a: /* FCVTPS */
+ case 0x3b: /* FCVTZS */
+ case 0x5a: /* FCVTNU */
+ case 0x5b: /* FCVTMU */
+ case 0x7a: /* FCVTPU */
+ case 0x7b: /* FCVTZU */
+ case 0x5c: /* FCVTAU */
+ case 0x1c: /* FCVTAS */
unallocated_encoding(s);
return;
}
@@ -9871,26 +9839,7 @@ static void disas_simd_two_reg_misc(DisasContext *s, uint32_t insn)
tcg_rmode = NULL;
}
- if (size == 3) {
- /* All 64-bit element operations can be shared with scalar 2misc */
- int pass;
-
- /* Coverity claims (size == 3 && !is_q) has been eliminated
- * from all paths leading to here.
- */
- tcg_debug_assert(is_q);
- for (pass = 0; pass < 2; pass++) {
- TCGv_i64 tcg_op = tcg_temp_new_i64();
- TCGv_i64 tcg_res = tcg_temp_new_i64();
-
- read_vec_element(s, tcg_op, rn, pass, MO_64);
-
- handle_2misc_64(s, opcode, u, tcg_res, tcg_op,
- tcg_rmode, tcg_fpstatus);
-
- write_vec_element(s, tcg_res, rd, pass, MO_64);
- }
- } else {
+ {
int pass;
assert(size == 2);
@@ -9903,22 +9852,6 @@ static void disas_simd_two_reg_misc(DisasContext *s, uint32_t insn)
{
/* Special cases for 32 bit elements */
switch (opcode) {
- case 0x1a: /* FCVTNS */
- case 0x1b: /* FCVTMS */
- case 0x1c: /* FCVTAS */
- case 0x3a: /* FCVTPS */
- case 0x3b: /* FCVTZS */
- gen_helper_vfp_tosls(tcg_res, tcg_op,
- tcg_constant_i32(0), tcg_fpstatus);
- break;
- case 0x5a: /* FCVTNU */
- case 0x5b: /* FCVTMU */
- case 0x5c: /* FCVTAU */
- case 0x7a: /* FCVTPU */
- case 0x7b: /* FCVTZU */
- gen_helper_vfp_touls(tcg_res, tcg_op,
- tcg_constant_i32(0), tcg_fpstatus);
- break;
case 0x7c: /* URSQRTE */
gen_helper_rsqrte_u32(tcg_res, tcg_op);
break;
@@ -9938,6 +9871,16 @@ static void disas_simd_two_reg_misc(DisasContext *s, uint32_t insn)
case 0x5e: /* FRINT32X */
case 0x1f: /* FRINT64Z */
case 0x5f: /* FRINT64X */
+ case 0x1a: /* FCVTNS */
+ case 0x1b: /* FCVTMS */
+ case 0x1c: /* FCVTAS */
+ case 0x3a: /* FCVTPS */
+ case 0x3b: /* FCVTZS */
+ case 0x5a: /* FCVTNU */
+ case 0x5b: /* FCVTMU */
+ case 0x5c: /* FCVTAU */
+ case 0x7a: /* FCVTPU */
+ case 0x7b: /* FCVTZU */
g_assert_not_reached();
}
}
@@ -10006,36 +9949,6 @@ static void disas_simd_two_reg_misc_fp16(DisasContext *s, uint32_t insn)
case 0x3d: /* FRECPE */
case 0x3f: /* FRECPX */
break;
- case 0x1a: /* FCVTNS */
- rmode = FPROUNDING_TIEEVEN;
- break;
- case 0x1b: /* FCVTMS */
- rmode = FPROUNDING_NEGINF;
- break;
- case 0x1c: /* FCVTAS */
- rmode = FPROUNDING_TIEAWAY;
- break;
- case 0x3a: /* FCVTPS */
- rmode = FPROUNDING_POSINF;
- break;
- case 0x3b: /* FCVTZS */
- rmode = FPROUNDING_ZERO;
- break;
- case 0x5a: /* FCVTNU */
- rmode = FPROUNDING_TIEEVEN;
- break;
- case 0x5b: /* FCVTMU */
- rmode = FPROUNDING_NEGINF;
- break;
- case 0x5c: /* FCVTAU */
- rmode = FPROUNDING_TIEAWAY;
- break;
- case 0x7a: /* FCVTPU */
- rmode = FPROUNDING_POSINF;
- break;
- case 0x7b: /* FCVTZU */
- rmode = FPROUNDING_ZERO;
- break;
case 0x7d: /* FRSQRTE */
break;
default:
@@ -10051,6 +9964,16 @@ static void disas_simd_two_reg_misc_fp16(DisasContext *s, uint32_t insn)
case 0x79: /* FRINTI */
case 0x1d: /* SCVTF */
case 0x5d: /* UCVTF */
+ case 0x1a: /* FCVTNS */
+ case 0x1b: /* FCVTMS */
+ case 0x1c: /* FCVTAS */
+ case 0x3a: /* FCVTPS */
+ case 0x3b: /* FCVTZS */
+ case 0x5a: /* FCVTNU */
+ case 0x5b: /* FCVTMU */
+ case 0x5c: /* FCVTAU */
+ case 0x7a: /* FCVTPU */
+ case 0x7b: /* FCVTZU */
unallocated_encoding(s);
return;
}
@@ -10115,23 +10038,9 @@ static void disas_simd_two_reg_misc_fp16(DisasContext *s, uint32_t insn)
read_vec_element_i32(s, tcg_op, rn, pass, MO_16);
switch (fpop) {
- case 0x1a: /* FCVTNS */
- case 0x1b: /* FCVTMS */
- case 0x1c: /* FCVTAS */
- case 0x3a: /* FCVTPS */
- case 0x3b: /* FCVTZS */
- gen_helper_advsimd_f16tosinth(tcg_res, tcg_op, tcg_fpstatus);
- break;
case 0x3d: /* FRECPE */
gen_helper_recpe_f16(tcg_res, tcg_op, tcg_fpstatus);
break;
- case 0x5a: /* FCVTNU */
- case 0x5b: /* FCVTMU */
- case 0x5c: /* FCVTAU */
- case 0x7a: /* FCVTPU */
- case 0x7b: /* FCVTZU */
- gen_helper_advsimd_f16touinth(tcg_res, tcg_op, tcg_fpstatus);
- break;
case 0x7d: /* FRSQRTE */
gen_helper_rsqrte_f16(tcg_res, tcg_op, tcg_fpstatus);
break;
@@ -10146,6 +10055,16 @@ static void disas_simd_two_reg_misc_fp16(DisasContext *s, uint32_t insn)
case 0x58: /* FRINTA */
case 0x79: /* FRINTI */
case 0x59: /* FRINTX */
+ case 0x1a: /* FCVTNS */
+ case 0x1b: /* FCVTMS */
+ case 0x1c: /* FCVTAS */
+ case 0x3a: /* FCVTPS */
+ case 0x3b: /* FCVTZS */
+ case 0x5a: /* FCVTNU */
+ case 0x5b: /* FCVTMU */
+ case 0x5c: /* FCVTAU */
+ case 0x7a: /* FCVTPU */
+ case 0x7b: /* FCVTZU */
g_assert_not_reached();
}