Remove handle_2misc_reciprocal as these were the last
insns decoded by that function.
Signed-off-by: Richard Henderson <richard.hender...@linaro.org>
---
target/arm/tcg/translate-a64.c | 139 ++-------------------------------
target/arm/tcg/a64.decode | 3 +
2 files changed, 8 insertions(+), 134 deletions(-)
diff --git a/target/arm/tcg/translate-a64.c b/target/arm/tcg/translate-a64.c
index c60e9a35cf..78ad72061d 100644
--- a/target/arm/tcg/translate-a64.c
+++ b/target/arm/tcg/translate-a64.c
@@ -9167,6 +9167,8 @@ TRANS(CMLE0_v, do_gvec_fn2, a, gen_gvec_cle0)
TRANS(CMEQ0_v, do_gvec_fn2, a, gen_gvec_ceq0)
TRANS(REV16_v, do_gvec_fn2, a, gen_gvec_rev16)
TRANS(REV32_v, do_gvec_fn2, a, gen_gvec_rev32)
+TRANS(URECPE_v, do_gvec_fn2, a, gen_gvec_urecpe)
+TRANS(URSQRTE_v, do_gvec_fn2, a, gen_gvec_ursqrte)
static bool do_gvec_fn2_bhs(DisasContext *s, arg_qrr_e *a, GVecGen2Fn *fn)
{
@@ -9518,51 +9520,6 @@ static gen_helper_gvec_2_ptr * const f_frsqrte[] = {
};
TRANS(FRSQRTE_v, do_gvec_op2_fpst, a->esz, a->q, a->rd, a->rn, 0, f_frsqrte)
-static void handle_2misc_reciprocal(DisasContext *s, int opcode,
- bool is_scalar, bool is_u, bool is_q,
- int size, int rn, int rd)
-{
- bool is_double = (size == 3);
-
- if (is_double) {
- g_assert_not_reached();
- } else {
- TCGv_i32 tcg_op = tcg_temp_new_i32();
- TCGv_i32 tcg_res = tcg_temp_new_i32();
- int pass, maxpasses;
-
- if (is_scalar) {
- maxpasses = 1;
- } else {
- maxpasses = is_q ? 4 : 2;
- }
-
- for (pass = 0; pass < maxpasses; pass++) {
- read_vec_element_i32(s, tcg_op, rn, pass, MO_32);
-
- switch (opcode) {
- case 0x3c: /* URECPE */
- gen_helper_recpe_u32(tcg_res, tcg_op);
- break;
- case 0x3d: /* FRECPE */
- case 0x3f: /* FRECPX */
- case 0x7d: /* FRSQRTE */
- default:
- g_assert_not_reached();
- }
-
- if (is_scalar) {
- write_fp_sreg(s, rd, tcg_res);
- } else {
- write_vec_element_i32(s, tcg_res, rd, pass, MO_32);
- }
- }
- if (!is_scalar) {
- clear_vec_high(s, is_q, rd);
- }
- }
-}
-
static void handle_2misc_widening(DisasContext *s, int opcode, bool is_q,
int size, int rn, int rd)
{
@@ -9621,10 +9578,6 @@ static void disas_simd_two_reg_misc(DisasContext *s,
uint32_t insn)
bool is_q = extract32(insn, 30, 1);
int rn = extract32(insn, 5, 5);
int rd = extract32(insn, 0, 5);
- bool need_fpstatus = false;
- int rmode = -1;
- TCGv_i32 tcg_rmode;
- TCGv_ptr tcg_fpstatus;
switch (opcode) {
case 0xc ... 0xf:
@@ -9637,28 +9590,12 @@ static void disas_simd_two_reg_misc(DisasContext *s,
uint32_t insn)
opcode |= (extract32(size, 1, 1) << 5) | (u << 6);
size = is_double ? 3 : 2;
switch (opcode) {
- case 0x3c: /* URECPE */
- if (size == 3) {
- unallocated_encoding(s);
- return;
- }
- if (!fp_access_check(s)) {
- return;
- }
- handle_2misc_reciprocal(s, opcode, false, u, is_q, size, rn, rd);
- return;
case 0x17: /* FCVTL, FCVTL2 */
if (!fp_access_check(s)) {
return;
}
handle_2misc_widening(s, opcode, is_q, size, rn, rd);
return;
- case 0x7c: /* URSQRTE */
- if (size == 3) {
- unallocated_encoding(s);
- return;
- }
- break;
default:
case 0x16: /* FCVTN, FCVTN2 */
case 0x36: /* BFCVTN, BFCVTN2 */
@@ -9696,6 +9633,8 @@ static void disas_simd_two_reg_misc(DisasContext *s,
uint32_t insn)
case 0x6d: /* FCMLE (zero) */
case 0x3d: /* FRECPE */
case 0x7d: /* FRSQRTE */
+ case 0x3c: /* URECPE */
+ case 0x7c: /* URSQRTE */
unallocated_encoding(s);
return;
}
@@ -9720,75 +9659,7 @@ static void disas_simd_two_reg_misc(DisasContext *s,
uint32_t insn)
unallocated_encoding(s);
return;
}
-
- if (!fp_access_check(s)) {
- return;
- }
-
- if (need_fpstatus || rmode >= 0) {
- tcg_fpstatus = fpstatus_ptr(FPST_FPCR);
- } else {
- tcg_fpstatus = NULL;
- }
- if (rmode >= 0) {
- tcg_rmode = gen_set_rmode(rmode, tcg_fpstatus);
- } else {
- tcg_rmode = NULL;
- }
-
- {
- int pass;
-
- assert(size == 2);
- for (pass = 0; pass < (is_q ? 4 : 2); pass++) {
- TCGv_i32 tcg_op = tcg_temp_new_i32();
- TCGv_i32 tcg_res = tcg_temp_new_i32();
-
- read_vec_element_i32(s, tcg_op, rn, pass, MO_32);
-
- {
- /* Special cases for 32 bit elements */
- switch (opcode) {
- case 0x7c: /* URSQRTE */
- gen_helper_rsqrte_u32(tcg_res, tcg_op);
- break;
- default:
- case 0x7: /* SQABS, SQNEG */
- 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 */
- 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();
- }
- }
- write_vec_element_i32(s, tcg_res, rd, pass, MO_32);
- }
- }
- clear_vec_high(s, is_q, rd);
-
- if (tcg_rmode) {
- gen_restore_rmode(tcg_rmode, tcg_fpstatus);
- }
+ g_assert_not_reached();
}
/* C3.6 Data processing - SIMD, inc Crypto
diff --git a/target/arm/tcg/a64.decode b/target/arm/tcg/a64.decode
index 1e6bf15510..5090b857e6 100644
--- a/target/arm/tcg/a64.decode
+++ b/target/arm/tcg/a64.decode
@@ -1863,6 +1863,9 @@ FRECPE_v 0.00 1110 1.1 00001 11011 0 ..... .....
@qrr_sd
FRSQRTE_v 0.10 1110 111 11001 11011 0 ..... ..... @qrr_h
FRSQRTE_v 0.10 1110 1.1 00001 11011 0 ..... ..... @qrr_sd
+URECPE_v 0.00 1110 101 00001 11001 0 ..... ..... @qrr_s
+URSQRTE_v 0.10 1110 101 00001 11001 0 ..... ..... @qrr_s
+
&fcvt_q rd rn esz q shift
@fcvtq_h . q:1 . ...... 001 .... ...... rn:5 rd:5 \
&fcvt_q esz=1 shift=%fcvt_f_sh_h
--
2.43.0
