@@ -18,6 +18,7 @@
#include "cpu.h"
#include "cpu-csr.h"
#include "cpu-qom.h"
+#include "fpu_helper.h"
static const char * const excp_names[EXCP_LAST + 1] = {
[EXCP_INTE] = "Interrupt error",
@@ -199,6 +200,7 @@ static void loongarch_cpu_reset(DeviceState *dev)
env->active_fpu.fcsr0 = 0x0;
compute_hflags(env);
+ restore_fp_status(env);
cs->exception_index = EXCP_NONE;
}
new file mode 100644
@@ -0,0 +1,380 @@
+/*
+ * LoongArch float point emulation helpers for qemu
+ *
+ * Copyright (c) 2021 Loongson Technology Corporation Limited
+ *
+ * SPDX-License-Identifier: LGPL-2.1+
+ */
+
+#include "qemu/osdep.h"
+#include "cpu.h"
+#include "fpu_helper.h"
+#include "exec/helper-proto.h"
+#include "exec/exec-all.h"
+#include "exec/cpu_ldst.h"
+#include "fpu/softfloat.h"
+
+#define FP_TO_INT32_OVERFLOW 0x7fffffff
+#define FP_TO_INT64_OVERFLOW 0x7fffffffffffffffULL
+
+#define FP_CLASS_SIGNALING_NAN 0x001
+#define FP_CLASS_QUIET_NAN 0x002
+#define FP_CLASS_NEGATIVE_INFINITY 0x004
+#define FP_CLASS_NEGATIVE_NORMAL 0x008
+#define FP_CLASS_NEGATIVE_SUBNORMAL 0x010
+#define FP_CLASS_NEGATIVE_ZERO 0x020
+#define FP_CLASS_POSITIVE_INFINITY 0x040
+#define FP_CLASS_POSITIVE_NORMAL 0x080
+#define FP_CLASS_POSITIVE_SUBNORMAL 0x100
+#define FP_CLASS_POSITIVE_ZERO 0x200
+
+/* convert loongarch rounding mode in fcsr0 to IEEE library */
+const FloatRoundMode ieee_rm[4] = {
+ float_round_nearest_even,
+ float_round_to_zero,
+ float_round_up,
+ float_round_down
+};
+
+int ieee_ex_to_loongarch(int xcpt)
+{
+ int ret = 0;
+ if (xcpt) {
+ if (xcpt & float_flag_invalid) {
+ ret |= FP_INVALID;
+ }
+ if (xcpt & float_flag_overflow) {
+ ret |= FP_OVERFLOW;
+ }
+ if (xcpt & float_flag_underflow) {
+ ret |= FP_UNDERFLOW;
+ }
+ if (xcpt & float_flag_divbyzero) {
+ ret |= FP_DIV0;
+ }
+ if (xcpt & float_flag_inexact) {
+ ret |= FP_INEXACT;
+ }
+ }
+ return ret;
+}
+
+static inline void update_fcsr0(CPULoongArchState *env, uintptr_t pc)
+{
+ int tmp = ieee_ex_to_loongarch(get_float_exception_flags(
+ &env->active_fpu.fp_status));
+
+ SET_FP_CAUSE(env->active_fpu.fcsr0, tmp);
+ if (tmp) {
+ set_float_exception_flags(0, &env->active_fpu.fp_status);
+
+ if (GET_FP_ENABLE(env->active_fpu.fcsr0) & tmp) {
+ do_raise_exception(env, EXCP_FPE, pc);
+ } else {
+ UPDATE_FP_FLAGS(env->active_fpu.fcsr0, tmp);
+ }
+ }
+}
+
+uint64_t helper_fp_sqrt_d(CPULoongArchState *env, uint64_t fp)
+{
+ fp = float64_sqrt(fp, &env->active_fpu.fp_status);
+ update_fcsr0(env, GETPC());
+ return fp;
+}
+
+uint32_t helper_fp_sqrt_s(CPULoongArchState *env, uint32_t fp)
+{
+ fp = float32_sqrt(fp, &env->active_fpu.fp_status);
+ update_fcsr0(env, GETPC());
+ return fp;
+}
+
+uint64_t helper_fp_abs_d(uint64_t fp)
+{
+ return float64_abs(fp);
+}
+uint32_t helper_fp_abs_s(uint32_t fp)
+{
+ return float32_abs(fp);
+}
+
+uint64_t helper_fp_neg_d(uint64_t fp)
+{
+ return float64_chs(fp);
+}
+uint32_t helper_fp_neg_s(uint32_t fp)
+{
+ return float32_chs(fp);
+}
+
+uint64_t helper_fp_recip_d(CPULoongArchState *env, uint64_t fp)
+{
+ uint64_t fp1;
+
+ fp1 = float64_div(float64_one, fp, &env->active_fpu.fp_status);
+ update_fcsr0(env, GETPC());
+ return fp1;
+}
+
+uint32_t helper_fp_recip_s(CPULoongArchState *env, uint32_t fp)
+{
+ uint32_t fp1;
+
+ fp1 = float32_div(float32_one, fp, &env->active_fpu.fp_status);
+ update_fcsr0(env, GETPC());
+ return fp1;
+}
+
+uint64_t helper_fp_rsqrt_d(CPULoongArchState *env, uint64_t fp)
+{
+ uint64_t fp1;
+
+ fp1 = float64_sqrt(fp, &env->active_fpu.fp_status);
+ fp1 = float64_div(float64_one, fp1, &env->active_fpu.fp_status);
+ update_fcsr0(env, GETPC());
+ return fp1;
+}
+
+uint32_t helper_fp_rsqrt_s(CPULoongArchState *env, uint32_t fp)
+{
+ uint32_t fp1;
+
+ fp1 = float32_sqrt(fp, &env->active_fpu.fp_status);
+ fp1 = float32_div(float32_one, fp1, &env->active_fpu.fp_status);
+ update_fcsr0(env, GETPC());
+ return fp1;
+}
+
+uint32_t fp_class_s(uint32_t arg, float_status *status)
+{
+ if (float32_is_signaling_nan(arg, status)) {
+ return FP_CLASS_SIGNALING_NAN;
+ } else if (float32_is_quiet_nan(arg, status)) {
+ return FP_CLASS_QUIET_NAN;
+ } else if (float32_is_neg(arg)) {
+ if (float32_is_infinity(arg)) {
+ return FP_CLASS_NEGATIVE_INFINITY;
+ } else if (float32_is_zero(arg)) {
+ return FP_CLASS_NEGATIVE_ZERO;
+ } else if (float32_is_zero_or_denormal(arg)) {
+ return FP_CLASS_NEGATIVE_SUBNORMAL;
+ } else {
+ return FP_CLASS_NEGATIVE_NORMAL;
+ }
+ } else {
+ if (float32_is_infinity(arg)) {
+ return FP_CLASS_POSITIVE_INFINITY;
+ } else if (float32_is_zero(arg)) {
+ return FP_CLASS_POSITIVE_ZERO;
+ } else if (float32_is_zero_or_denormal(arg)) {
+ return FP_CLASS_POSITIVE_SUBNORMAL;
+ } else {
+ return FP_CLASS_POSITIVE_NORMAL;
+ }
+ }
+}
+
+uint32_t helper_fp_class_s(CPULoongArchState *env, uint32_t arg)
+{
+ return fp_class_s(arg, &env->active_fpu.fp_status);
+}
+
+uint64_t fp_class_d(uint64_t arg, float_status *status)
+{
+ if (float64_is_signaling_nan(arg, status)) {
+ return FP_CLASS_SIGNALING_NAN;
+ } else if (float64_is_quiet_nan(arg, status)) {
+ return FP_CLASS_QUIET_NAN;
+ } else if (float64_is_neg(arg)) {
+ if (float64_is_infinity(arg)) {
+ return FP_CLASS_NEGATIVE_INFINITY;
+ } else if (float64_is_zero(arg)) {
+ return FP_CLASS_NEGATIVE_ZERO;
+ } else if (float64_is_zero_or_denormal(arg)) {
+ return FP_CLASS_NEGATIVE_SUBNORMAL;
+ } else {
+ return FP_CLASS_NEGATIVE_NORMAL;
+ }
+ } else {
+ if (float64_is_infinity(arg)) {
+ return FP_CLASS_POSITIVE_INFINITY;
+ } else if (float64_is_zero(arg)) {
+ return FP_CLASS_POSITIVE_ZERO;
+ } else if (float64_is_zero_or_denormal(arg)) {
+ return FP_CLASS_POSITIVE_SUBNORMAL;
+ } else {
+ return FP_CLASS_POSITIVE_NORMAL;
+ }
+ }
+}
+
+uint64_t helper_fp_class_d(CPULoongArchState *env, uint64_t arg)
+{
+ return fp_class_d(arg, &env->active_fpu.fp_status);
+}
+
+uint64_t helper_fp_add_d(CPULoongArchState *env, uint64_t fp, uint64_t fp1)
+{
+ uint64_t fp2;
+
+ fp2 = float64_add(fp, fp1, &env->active_fpu.fp_status);
+ update_fcsr0(env, GETPC());
+ return fp2;
+}
+
+uint32_t helper_fp_add_s(CPULoongArchState *env, uint32_t fp, uint32_t fp1)
+{
+ uint32_t fp2;
+
+ fp2 = float32_add(fp, fp1, &env->active_fpu.fp_status);
+ update_fcsr0(env, GETPC());
+ return fp2;
+}
+
+uint64_t helper_fp_sub_d(CPULoongArchState *env, uint64_t fp, uint64_t fp1)
+{
+ uint64_t fp2;
+
+ fp2 = float64_sub(fp, fp1, &env->active_fpu.fp_status);
+ update_fcsr0(env, GETPC());
+ return fp2;
+}
+
+uint32_t helper_fp_sub_s(CPULoongArchState *env, uint32_t fp, uint32_t fp1)
+{
+ uint32_t fp2;
+
+ fp2 = float32_sub(fp, fp1, &env->active_fpu.fp_status);
+ update_fcsr0(env, GETPC());
+ return fp2;
+}
+
+uint64_t helper_fp_mul_d(CPULoongArchState *env, uint64_t fp, uint64_t fp1)
+{
+ uint64_t fp2;
+
+ fp2 = float64_mul(fp, fp1, &env->active_fpu.fp_status);
+ update_fcsr0(env, GETPC());
+ return fp2;
+}
+
+uint32_t helper_fp_mul_s(CPULoongArchState *env, uint32_t fp, uint32_t fp1)
+{
+ uint32_t fp2;
+
+ fp2 = float32_mul(fp, fp1, &env->active_fpu.fp_status);
+ update_fcsr0(env, GETPC());
+ return fp2;
+}
+
+uint64_t helper_fp_div_d(CPULoongArchState *env, uint64_t fp, uint64_t fp1)
+{
+ uint64_t fp2;
+
+ fp2 = float64_div(fp, fp1, &env->active_fpu.fp_status);
+ update_fcsr0(env, GETPC());
+ return fp2;
+}
+
+uint32_t helper_fp_div_s(CPULoongArchState *env, uint32_t fp, uint32_t fp1)
+{
+ uint32_t fp2;
+
+ fp2 = float32_div(fp, fp1, &env->active_fpu.fp_status);
+ update_fcsr0(env, GETPC());
+ return fp2;
+}
+
+uint64_t helper_fp_exp2_d(CPULoongArchState *env,
+ uint64_t fp, uint64_t fp1)
+{
+ uint64_t fp2;
+ int64_t n = (int64_t)fp1;
+
+ fp2 = float64_scalbn(fp,
+ n > 0x1000 ? 0x1000 :
+ n < -0x1000 ? -0x1000 : n,
+ &env->active_fpu.fp_status);
+ update_fcsr0(env, GETPC());
+ return fp2;
+}
+
+uint32_t helper_fp_exp2_s(CPULoongArchState *env,
+ uint32_t fp, uint32_t fp1)
+{
+ uint32_t fp2;
+ int32_t n = (int32_t)fp1;
+
+ fp2 = float32_scalbn(fp,
+ n > 0x200 ? 0x200 :
+ n < -0x200 ? -0x200 : n,
+ &env->active_fpu.fp_status);
+ update_fcsr0(env, GETPC());
+ return fp2;
+}
+
+#define FP_MINMAX(name, bits, minmaxfunc) \
+uint ## bits ## _t helper_fp_ ## name(CPULoongArchState *env, \
+ uint ## bits ## _t fs, \
+ uint ## bits ## _t ft) \
+{ \
+ uint ## bits ## _t fdret; \
+ \
+ fdret = float ## bits ## _ ## minmaxfunc(fs, ft, \
+ &env->active_fpu.fp_status); \
+ update_fcsr0(env, GETPC()); \
+ return fdret; \
+}
+
+FP_MINMAX(max_s, 32, maxnum)
+FP_MINMAX(max_d, 64, maxnum)
+FP_MINMAX(maxa_s, 32, maxnummag)
+FP_MINMAX(maxa_d, 64, maxnummag)
+FP_MINMAX(min_s, 32, minnum)
+FP_MINMAX(min_d, 64, minnum)
+FP_MINMAX(mina_s, 32, minnummag)
+FP_MINMAX(mina_d, 64, minnummag)
+#undef FP_MINMAX
+
+#define FP_FMADDSUB(name, bits, muladd_arg) \
+uint ## bits ## _t helper_fp_ ## name(CPULoongArchState *env, \
+ uint ## bits ## _t fs, \
+ uint ## bits ## _t ft, \
+ uint ## bits ## _t fd) \
+{ \
+ uint ## bits ## _t fdret; \
+ \
+ fdret = float ## bits ## _muladd(fs, ft, fd, muladd_arg, \
+ &env->active_fpu.fp_status); \
+ update_fcsr0(env, GETPC()); \
+ return fdret; \
+}
+
+FP_FMADDSUB(madd_s, 32, 0)
+FP_FMADDSUB(madd_d, 64, 0)
+FP_FMADDSUB(msub_s, 32, float_muladd_negate_c)
+FP_FMADDSUB(msub_d, 64, float_muladd_negate_c)
+FP_FMADDSUB(nmadd_s, 32, float_muladd_negate_result)
+FP_FMADDSUB(nmadd_d, 64, float_muladd_negate_result)
+FP_FMADDSUB(nmsub_s, 32, float_muladd_negate_result | float_muladd_negate_c)
+FP_FMADDSUB(nmsub_d, 64, float_muladd_negate_result | float_muladd_negate_c)
+#undef FP_FMADDSUB
+
+uint32_t helper_fp_logb_s(CPULoongArchState *env, uint32_t fp)
+{
+ uint32_t fp1;
+
+ fp1 = float32_log2(fp, &env->active_fpu.fp_status);
+ update_fcsr0(env, GETPC());
+ return fp1;
+}
+
+uint64_t helper_fp_logb_d(CPULoongArchState *env, uint64_t fp)
+{
+ uint64_t fp1;
+
+ fp1 = float64_log2(fp, &env->active_fpu.fp_status);
+ update_fcsr0(env, GETPC());
+ return fp1;
+}
new file mode 100644
@@ -0,0 +1,34 @@
+/*
+ * QEMU LoongArch CPU
+ *
+ * Copyright (c) 2021 Loongson Technology Corporation Limited
+ *
+ * SPDX-License-Identifier: LGPL-2.1+
+ */
+
+#include "fpu/softfloat-helpers.h"
+#include "cpu.h"
+
+extern const FloatRoundMode ieee_rm[4];
+
+uint32_t fp_class_s(uint32_t arg, float_status *fst);
+uint64_t fp_class_d(uint64_t arg, float_status *fst);
+
+int ieee_ex_to_loongarch(int xcpt);
+
+static inline void restore_rounding_mode(CPULoongArchState *env)
+{
+ set_float_rounding_mode(ieee_rm[(env->active_fpu.fcsr0 >> FCSR0_RM) & 0x3],
+ &env->active_fpu.fp_status);
+}
+
+static inline void restore_flush_mode(CPULoongArchState *env)
+{
+ set_flush_to_zero(0, &env->active_fpu.fp_status);
+}
+
+static inline void restore_fp_status(CPULoongArchState *env)
+{
+ restore_rounding_mode(env);
+ restore_flush_mode(env);
+}
@@ -25,3 +25,50 @@ DEF_HELPER_3(asrtgt_d, void, env, tl, tl)
DEF_HELPER_3(crc32, tl, tl, tl, i32)
DEF_HELPER_3(crc32c, tl, tl, tl, i32)
DEF_HELPER_2(cpucfg, tl, env, tl)
+
+/* Floating-point helper */
+DEF_HELPER_3(fp_add_s, i32, env, i32, i32)
+DEF_HELPER_3(fp_add_d, i64, env, i64, i64)
+DEF_HELPER_3(fp_sub_s, i32, env, i32, i32)
+DEF_HELPER_3(fp_sub_d, i64, env, i64, i64)
+DEF_HELPER_3(fp_mul_s, i32, env, i32, i32)
+DEF_HELPER_3(fp_mul_d, i64, env, i64, i64)
+DEF_HELPER_3(fp_div_s, i32, env, i32, i32)
+DEF_HELPER_3(fp_div_d, i64, env, i64, i64)
+DEF_HELPER_3(fp_max_s, i32, env, i32, i32)
+DEF_HELPER_3(fp_max_d, i64, env, i64, i64)
+DEF_HELPER_3(fp_maxa_s, i32, env, i32, i32)
+DEF_HELPER_3(fp_maxa_d, i64, env, i64, i64)
+DEF_HELPER_3(fp_min_s, i32, env, i32, i32)
+DEF_HELPER_3(fp_min_d, i64, env, i64, i64)
+DEF_HELPER_3(fp_mina_s, i32, env, i32, i32)
+DEF_HELPER_3(fp_mina_d, i64, env, i64, i64)
+
+DEF_HELPER_4(fp_madd_s, i32, env, i32, i32, i32)
+DEF_HELPER_4(fp_madd_d, i64, env, i64, i64, i64)
+DEF_HELPER_4(fp_msub_s, i32, env, i32, i32, i32)
+DEF_HELPER_4(fp_msub_d, i64, env, i64, i64, i64)
+DEF_HELPER_4(fp_nmadd_s, i32, env, i32, i32, i32)
+DEF_HELPER_4(fp_nmadd_d, i64, env, i64, i64, i64)
+DEF_HELPER_4(fp_nmsub_s, i32, env, i32, i32, i32)
+DEF_HELPER_4(fp_nmsub_d, i64, env, i64, i64, i64)
+
+DEF_HELPER_3(fp_exp2_s, i32, env, i32, i32)
+DEF_HELPER_3(fp_exp2_d, i64, env, i64, i64)
+DEF_HELPER_2(fp_logb_s, i32, env, i32)
+DEF_HELPER_2(fp_logb_d, i64, env, i64)
+
+DEF_HELPER_1(fp_abs_s, i32, i32)
+DEF_HELPER_1(fp_abs_d, i64, i64)
+DEF_HELPER_1(fp_neg_s, i32, i32)
+DEF_HELPER_1(fp_neg_d, i64, i64)
+
+DEF_HELPER_2(fp_sqrt_s, i32, env, i32)
+DEF_HELPER_2(fp_sqrt_d, i64, env, i64)
+DEF_HELPER_2(fp_rsqrt_s, i32, env, i32)
+DEF_HELPER_2(fp_rsqrt_d, i64, env, i64)
+DEF_HELPER_2(fp_recip_s, i32, env, i32)
+DEF_HELPER_2(fp_recip_d, i64, env, i64)
+
+DEF_HELPER_FLAGS_2(fp_class_s, TCG_CALL_NO_RWG_SE, i32, env, i32)
+DEF_HELPER_FLAGS_2(fp_class_d, TCG_CALL_NO_RWG_SE, i64, env, i64)
@@ -28,6 +28,10 @@
%hint 0:5
%whint 0:15
%code 0:15
+%fd 0:5
+%fj 5:5
+%fk 10:5
+%fa 15:5
#
# Argument sets
@@ -49,6 +53,9 @@
&fmt_whint whint
&fmt_rjrk rj rk
&fmt_code code
+&fmt_fdfjfk fd fj fk
+&fmt_fdfjfkfa fd fj fk fa
+&fmt_fdfj fd fj
#
# Formats
@@ -70,6 +77,9 @@
@fmt_rdrjsi14 .... .... .............. ..... ..... &fmt_rdrjsi14 %rd %rj %si14
@fmt_rjrk .... ........ ..... ..... ..... ..... &fmt_rjrk %rj %rk
@fmt_code .... ........ ..... ............... &fmt_code %code
+@fmt_fdfjfk .... ........ ..... ..... ..... ..... &fmt_fdfjfk %fd %fj %fk
+@fmt_fdfjfkfa .... ........ ..... ..... ..... ..... &fmt_fdfjfkfa %fd %fj %fk %fa
+@fmt_fdfj .... ........ ..... ..... ..... ..... &fmt_fdfj %fd %fj
#
# Fixed point arithmetic operation instruction
@@ -285,3 +295,49 @@ rdtimel_w 0000 00000000 00000 11000 ..... ..... @fmt_rdrj
rdtimeh_w 0000 00000000 00000 11001 ..... ..... @fmt_rdrj
rdtime_d 0000 00000000 00000 11010 ..... ..... @fmt_rdrj
cpucfg 0000 00000000 00000 11011 ..... ..... @fmt_rdrj
+
+#
+# Floating point arithmetic operation instruction
+#
+fadd_s 0000 00010000 00001 ..... ..... ..... @fmt_fdfjfk
+fadd_d 0000 00010000 00010 ..... ..... ..... @fmt_fdfjfk
+fsub_s 0000 00010000 00101 ..... ..... ..... @fmt_fdfjfk
+fsub_d 0000 00010000 00110 ..... ..... ..... @fmt_fdfjfk
+fmul_s 0000 00010000 01001 ..... ..... ..... @fmt_fdfjfk
+fmul_d 0000 00010000 01010 ..... ..... ..... @fmt_fdfjfk
+fdiv_s 0000 00010000 01101 ..... ..... ..... @fmt_fdfjfk
+fdiv_d 0000 00010000 01110 ..... ..... ..... @fmt_fdfjfk
+fmadd_s 0000 10000001 ..... ..... ..... ..... @fmt_fdfjfkfa
+fmadd_d 0000 10000010 ..... ..... ..... ..... @fmt_fdfjfkfa
+fmsub_s 0000 10000101 ..... ..... ..... ..... @fmt_fdfjfkfa
+fmsub_d 0000 10000110 ..... ..... ..... ..... @fmt_fdfjfkfa
+fnmadd_s 0000 10001001 ..... ..... ..... ..... @fmt_fdfjfkfa
+fnmadd_d 0000 10001010 ..... ..... ..... ..... @fmt_fdfjfkfa
+fnmsub_s 0000 10001101 ..... ..... ..... ..... @fmt_fdfjfkfa
+fnmsub_d 0000 10001110 ..... ..... ..... ..... @fmt_fdfjfkfa
+fmax_s 0000 00010000 10001 ..... ..... ..... @fmt_fdfjfk
+fmax_d 0000 00010000 10010 ..... ..... ..... @fmt_fdfjfk
+fmin_s 0000 00010000 10101 ..... ..... ..... @fmt_fdfjfk
+fmin_d 0000 00010000 10110 ..... ..... ..... @fmt_fdfjfk
+fmaxa_s 0000 00010000 11001 ..... ..... ..... @fmt_fdfjfk
+fmaxa_d 0000 00010000 11010 ..... ..... ..... @fmt_fdfjfk
+fmina_s 0000 00010000 11101 ..... ..... ..... @fmt_fdfjfk
+fmina_d 0000 00010000 11110 ..... ..... ..... @fmt_fdfjfk
+fabs_s 0000 00010001 01000 00001 ..... ..... @fmt_fdfj
+fabs_d 0000 00010001 01000 00010 ..... ..... @fmt_fdfj
+fneg_s 0000 00010001 01000 00101 ..... ..... @fmt_fdfj
+fneg_d 0000 00010001 01000 00110 ..... ..... @fmt_fdfj
+fsqrt_s 0000 00010001 01000 10001 ..... ..... @fmt_fdfj
+fsqrt_d 0000 00010001 01000 10010 ..... ..... @fmt_fdfj
+frecip_s 0000 00010001 01000 10101 ..... ..... @fmt_fdfj
+frecip_d 0000 00010001 01000 10110 ..... ..... @fmt_fdfj
+frsqrt_s 0000 00010001 01000 11001 ..... ..... @fmt_fdfj
+frsqrt_d 0000 00010001 01000 11010 ..... ..... @fmt_fdfj
+fscaleb_s 0000 00010001 00001 ..... ..... ..... @fmt_fdfjfk
+fscaleb_d 0000 00010001 00010 ..... ..... ..... @fmt_fdfjfk
+flogb_s 0000 00010001 01000 01001 ..... ..... @fmt_fdfj
+flogb_d 0000 00010001 01000 01010 ..... ..... @fmt_fdfj
+fcopysign_s 0000 00010001 00101 ..... ..... ..... @fmt_fdfjfk
+fcopysign_d 0000 00010001 00110 ..... ..... ..... @fmt_fdfjfk
+fclass_s 0000 00010001 01000 01101 ..... ..... @fmt_fdfj
+fclass_d 0000 00010001 01000 01110 ..... ..... @fmt_fdfj
@@ -3319,3 +3319,809 @@ static bool trans_cpucfg(DisasContext *ctx, arg_cpucfg *a)
return true;
}
+
+/* Floating point arithmetic operation instruction translation */
+static bool trans_fadd_s(DisasContext *ctx, arg_fadd_s * a)
+{
+ TCGv_i32 fp0, fp1;
+
+ fp0 = tcg_temp_new_i32();
+ fp1 = tcg_temp_new_i32();
+
+ check_fpu_enabled(ctx);
+ gen_load_fpr32(fp0, a->fj);
+ gen_load_fpr32(fp1, a->fk);
+ gen_helper_fp_add_s(fp0, cpu_env, fp0, fp1);
+ gen_store_fpr32(fp0, a->fd);
+
+ tcg_temp_free_i32(fp0);
+ tcg_temp_free_i32(fp1);
+
+ return true;
+}
+
+static bool trans_fadd_d(DisasContext *ctx, arg_fadd_d *a)
+{
+ TCGv_i64 fp0, fp1;
+
+ fp0 = tcg_temp_new_i64();
+ fp1 = tcg_temp_new_i64();
+
+ check_fpu_enabled(ctx);
+ gen_load_fpr64(fp0, a->fj);
+ gen_load_fpr64(fp1, a->fk);
+ gen_helper_fp_add_d(fp0, cpu_env, fp0, fp1);
+ gen_store_fpr64(fp0, a->fd);
+
+ tcg_temp_free_i64(fp0);
+ tcg_temp_free_i64(fp1);
+
+ return true;
+}
+
+static bool trans_fsub_s(DisasContext *ctx, arg_fsub_s *a)
+{
+ TCGv_i32 fp0, fp1;
+
+ fp0 = tcg_temp_new_i32();
+ fp1 = tcg_temp_new_i32();
+
+ check_fpu_enabled(ctx);
+ gen_load_fpr32(fp0, a->fj);
+ gen_load_fpr32(fp1, a->fk);
+ gen_helper_fp_sub_s(fp0, cpu_env, fp0, fp1);
+ gen_store_fpr32(fp0, a->fd);
+
+ tcg_temp_free_i32(fp0);
+ tcg_temp_free_i32(fp1);
+
+ return true;
+}
+
+static bool trans_fsub_d(DisasContext *ctx, arg_fsub_d *a)
+{
+ TCGv_i64 fp0, fp1;
+
+ fp0 = tcg_temp_new_i64();
+ fp1 = tcg_temp_new_i64();
+
+ check_fpu_enabled(ctx);
+ gen_load_fpr64(fp0, a->fj);
+ gen_load_fpr64(fp1, a->fk);
+ gen_helper_fp_sub_d(fp0, cpu_env, fp0, fp1);
+ gen_store_fpr64(fp0, a->fd);
+
+ tcg_temp_free_i64(fp0);
+ tcg_temp_free_i64(fp1);
+
+ return true;
+}
+
+static bool trans_fmul_s(DisasContext *ctx, arg_fmul_s *a)
+{
+ TCGv_i32 fp0, fp1;
+
+ fp0 = tcg_temp_new_i32();
+ fp1 = tcg_temp_new_i32();
+
+ check_fpu_enabled(ctx);
+ gen_load_fpr32(fp0, a->fj);
+ gen_load_fpr32(fp1, a->fk);
+ gen_helper_fp_mul_s(fp0, cpu_env, fp0, fp1);
+ gen_store_fpr32(fp0, a->fd);
+
+ tcg_temp_free_i32(fp0);
+ tcg_temp_free_i32(fp1);
+
+ return true;
+}
+
+static bool trans_fmul_d(DisasContext *ctx, arg_fmul_d *a)
+{
+ TCGv_i64 fp0, fp1;
+
+ fp0 = tcg_temp_new_i64();
+ fp1 = tcg_temp_new_i64();
+
+ check_fpu_enabled(ctx);
+ gen_load_fpr64(fp0, a->fj);
+ gen_load_fpr64(fp1, a->fk);
+ gen_helper_fp_mul_d(fp0, cpu_env, fp0, fp1);
+ gen_store_fpr64(fp0, a->fd);
+
+ tcg_temp_free_i64(fp0);
+ tcg_temp_free_i64(fp1);
+
+ return true;
+}
+
+static bool trans_fdiv_s(DisasContext *ctx, arg_fdiv_s *a)
+{
+ TCGv_i32 fp0, fp1;
+
+ fp0 = tcg_temp_new_i32();
+ fp1 = tcg_temp_new_i32();
+
+ check_fpu_enabled(ctx);
+ gen_load_fpr32(fp0, a->fj);
+ gen_load_fpr32(fp1, a->fk);
+ gen_helper_fp_div_s(fp0, cpu_env, fp0, fp1);
+ gen_store_fpr32(fp0, a->fd);
+
+ tcg_temp_free_i32(fp0);
+ tcg_temp_free_i32(fp1);
+
+ return true;
+}
+
+static bool trans_fdiv_d(DisasContext *ctx, arg_fdiv_d *a)
+{
+ TCGv_i64 fp0, fp1;
+
+ fp0 = tcg_temp_new_i64();
+ fp1 = tcg_temp_new_i64();
+
+ check_fpu_enabled(ctx);
+ gen_load_fpr64(fp0, a->fj);
+ gen_load_fpr64(fp1, a->fk);
+ gen_helper_fp_div_d(fp0, cpu_env, fp0, fp1);
+ gen_store_fpr64(fp0, a->fd);
+
+ tcg_temp_free_i64(fp0);
+ tcg_temp_free_i64(fp1);
+
+ return true;
+}
+
+static bool trans_fmadd_s(DisasContext *ctx, arg_fmadd_s *a)
+{
+ TCGv_i32 fp0, fp1, fp2, fp3;
+
+ fp0 = tcg_temp_new_i32();
+ fp1 = tcg_temp_new_i32();
+ fp2 = tcg_temp_new_i32();
+ fp3 = tcg_temp_new_i32();
+
+ check_fpu_enabled(ctx);
+ gen_load_fpr32(fp0, a->fj);
+ gen_load_fpr32(fp1, a->fk);
+ gen_load_fpr32(fp2, a->fa);
+ gen_helper_fp_madd_s(fp3, cpu_env, fp0, fp1, fp2);
+ gen_store_fpr32(fp3, a->fd);
+
+ tcg_temp_free_i32(fp0);
+ tcg_temp_free_i32(fp1);
+ tcg_temp_free_i32(fp2);
+ tcg_temp_free_i32(fp3);
+
+ return true;
+}
+
+static bool trans_fmadd_d(DisasContext *ctx, arg_fmadd_d *a)
+{
+ TCGv_i64 fp0, fp1, fp2, fp3;
+
+ fp0 = tcg_temp_new_i64();
+ fp1 = tcg_temp_new_i64();
+ fp2 = tcg_temp_new_i64();
+ fp3 = tcg_temp_new_i64();
+
+ check_fpu_enabled(ctx);
+ gen_load_fpr64(fp0, a->fj);
+ gen_load_fpr64(fp1, a->fk);
+ gen_load_fpr64(fp2, a->fa);
+ check_fpu_enabled(ctx);
+ gen_helper_fp_madd_d(fp3, cpu_env, fp0, fp1, fp2);
+ gen_store_fpr64(fp3, a->fd);
+
+ tcg_temp_free_i64(fp0);
+ tcg_temp_free_i64(fp1);
+ tcg_temp_free_i64(fp2);
+ tcg_temp_free_i64(fp3);
+
+ return true;
+}
+
+static bool trans_fmsub_s(DisasContext *ctx, arg_fmsub_s *a)
+{
+ TCGv_i32 fp0, fp1, fp2, fp3;
+
+ fp0 = tcg_temp_new_i32();
+ fp1 = tcg_temp_new_i32();
+ fp2 = tcg_temp_new_i32();
+ fp3 = tcg_temp_new_i32();
+
+ check_fpu_enabled(ctx);
+ gen_load_fpr32(fp0, a->fj);
+ gen_load_fpr32(fp1, a->fk);
+ gen_load_fpr32(fp2, a->fa);
+ gen_helper_fp_msub_s(fp3, cpu_env, fp0, fp1, fp2);
+ gen_store_fpr32(fp3, a->fd);
+
+ tcg_temp_free_i32(fp0);
+ tcg_temp_free_i32(fp1);
+ tcg_temp_free_i32(fp2);
+ tcg_temp_free_i32(fp3);
+
+ return true;
+}
+
+static bool trans_fmsub_d(DisasContext *ctx, arg_fmsub_d *a)
+{
+ TCGv_i64 fp0, fp1, fp2, fp3;
+
+ fp0 = tcg_temp_new_i64();
+ fp1 = tcg_temp_new_i64();
+ fp2 = tcg_temp_new_i64();
+ fp3 = tcg_temp_new_i64();
+
+ check_fpu_enabled(ctx);
+ gen_load_fpr64(fp0, a->fj);
+ gen_load_fpr64(fp1, a->fk);
+ gen_load_fpr64(fp2, a->fa);
+ gen_helper_fp_msub_d(fp3, cpu_env, fp0, fp1, fp2);
+ gen_store_fpr64(fp3, a->fd);
+
+ tcg_temp_free_i64(fp0);
+ tcg_temp_free_i64(fp1);
+ tcg_temp_free_i64(fp2);
+ tcg_temp_free_i64(fp3);
+
+ return true;
+}
+
+static bool trans_fnmadd_s(DisasContext *ctx, arg_fnmadd_s *a)
+{
+ TCGv_i32 fp0, fp1, fp2, fp3;
+
+ fp0 = tcg_temp_new_i32();
+ fp1 = tcg_temp_new_i32();
+ fp2 = tcg_temp_new_i32();
+ fp3 = tcg_temp_new_i32();
+
+ check_fpu_enabled(ctx);
+ gen_load_fpr32(fp0, a->fj);
+ gen_load_fpr32(fp1, a->fk);
+ gen_load_fpr32(fp2, a->fa);
+ gen_helper_fp_nmadd_s(fp3, cpu_env, fp0, fp1, fp2);
+ gen_store_fpr32(fp3, a->fd);
+
+ tcg_temp_free_i32(fp0);
+ tcg_temp_free_i32(fp1);
+ tcg_temp_free_i32(fp2);
+ tcg_temp_free_i32(fp3);
+
+ return true;
+}
+
+static bool trans_fnmadd_d(DisasContext *ctx, arg_fnmadd_d *a)
+{
+ TCGv_i64 fp0, fp1, fp2, fp3;
+
+ fp0 = tcg_temp_new_i64();
+ fp1 = tcg_temp_new_i64();
+ fp2 = tcg_temp_new_i64();
+ fp3 = tcg_temp_new_i64();
+
+ check_fpu_enabled(ctx);
+ gen_load_fpr64(fp0, a->fj);
+ gen_load_fpr64(fp1, a->fk);
+ gen_load_fpr64(fp2, a->fa);
+ gen_helper_fp_nmadd_d(fp3, cpu_env, fp0, fp1, fp2);
+ gen_store_fpr64(fp3, a->fd);
+
+ tcg_temp_free_i64(fp0);
+ tcg_temp_free_i64(fp1);
+ tcg_temp_free_i64(fp2);
+ tcg_temp_free_i64(fp3);
+
+ return true;
+}
+
+static bool trans_fnmsub_s(DisasContext *ctx, arg_fnmsub_s *a)
+{
+ TCGv_i32 fp0, fp1, fp2, fp3;
+
+ fp0 = tcg_temp_new_i32();
+ fp1 = tcg_temp_new_i32();
+ fp2 = tcg_temp_new_i32();
+ fp3 = tcg_temp_new_i32();
+
+ check_fpu_enabled(ctx);
+ gen_load_fpr32(fp0, a->fj);
+ gen_load_fpr32(fp1, a->fk);
+ gen_load_fpr32(fp2, a->fa);
+ gen_helper_fp_nmsub_s(fp3, cpu_env, fp0, fp1, fp2);
+ gen_store_fpr32(fp3, a->fd);
+
+ tcg_temp_free_i32(fp0);
+ tcg_temp_free_i32(fp1);
+ tcg_temp_free_i32(fp2);
+ tcg_temp_free_i32(fp3);
+
+ return true;
+}
+
+static bool trans_fnmsub_d(DisasContext *ctx, arg_fnmsub_d *a)
+{
+ TCGv_i64 fp0, fp1, fp2, fp3;
+
+ fp0 = tcg_temp_new_i64();
+ fp1 = tcg_temp_new_i64();
+ fp2 = tcg_temp_new_i64();
+ fp3 = tcg_temp_new_i64();
+
+ check_fpu_enabled(ctx);
+ gen_load_fpr64(fp0, a->fj);
+ gen_load_fpr64(fp1, a->fk);
+ gen_load_fpr64(fp2, a->fa);
+ gen_helper_fp_nmsub_d(fp3, cpu_env, fp0, fp1, fp2);
+ gen_store_fpr64(fp3, a->fd);
+
+ tcg_temp_free_i64(fp0);
+ tcg_temp_free_i64(fp1);
+ tcg_temp_free_i64(fp2);
+ tcg_temp_free_i64(fp3);
+
+ return true;
+}
+
+static bool trans_fmax_s(DisasContext *ctx, arg_fmax_s *a)
+{
+ TCGv_i32 fp0, fp1;
+
+ fp0 = tcg_temp_new_i32();
+ fp1 = tcg_temp_new_i32();
+
+ check_fpu_enabled(ctx);
+ gen_load_fpr32(fp0, a->fj);
+ gen_load_fpr32(fp1, a->fk);
+ gen_helper_fp_max_s(fp1, cpu_env, fp0, fp1);
+ gen_store_fpr32(fp1, a->fd);
+
+ tcg_temp_free_i32(fp0);
+ tcg_temp_free_i32(fp1);
+
+ return true;
+}
+
+static bool trans_fmax_d(DisasContext *ctx, arg_fmax_d *a)
+{
+ TCGv_i64 fp0, fp1;
+
+ fp0 = tcg_temp_new_i64();
+ fp1 = tcg_temp_new_i64();
+
+ check_fpu_enabled(ctx);
+ gen_load_fpr64(fp0, a->fj);
+ gen_load_fpr64(fp1, a->fk);
+ gen_helper_fp_max_d(fp1, cpu_env, fp0, fp1);
+ gen_store_fpr64(fp1, a->fd);
+
+ tcg_temp_free_i64(fp0);
+ tcg_temp_free_i64(fp1);
+
+ return true;
+}
+
+static bool trans_fmin_s(DisasContext *ctx, arg_fmin_s *a)
+{
+ TCGv_i32 fp0, fp1;
+
+ fp0 = tcg_temp_new_i32();
+ fp1 = tcg_temp_new_i32();
+
+ check_fpu_enabled(ctx);
+ gen_load_fpr32(fp0, a->fj);
+ gen_load_fpr32(fp1, a->fk);
+ gen_helper_fp_min_s(fp1, cpu_env, fp0, fp1);
+ gen_store_fpr32(fp1, a->fd);
+
+ tcg_temp_free_i32(fp0);
+ tcg_temp_free_i32(fp1);
+
+ return true;
+}
+
+static bool trans_fmin_d(DisasContext *ctx, arg_fmin_d *a)
+{
+ TCGv_i64 fp0, fp1;
+
+ fp0 = tcg_temp_new_i64();
+ fp1 = tcg_temp_new_i64();
+
+ check_fpu_enabled(ctx);
+ gen_load_fpr64(fp0, a->fj);
+ gen_load_fpr64(fp1, a->fk);
+ gen_helper_fp_min_d(fp1, cpu_env, fp0, fp1);
+ gen_store_fpr64(fp1, a->fd);
+
+ tcg_temp_free_i64(fp0);
+ tcg_temp_free_i64(fp1);
+
+ return true;
+}
+
+static bool trans_fmaxa_s(DisasContext *ctx, arg_fmaxa_s *a)
+{
+ TCGv_i32 fp0, fp1;
+
+ fp0 = tcg_temp_new_i32();
+ fp1 = tcg_temp_new_i32();
+
+ check_fpu_enabled(ctx);
+ gen_load_fpr32(fp0, a->fj);
+ gen_load_fpr32(fp1, a->fk);
+ gen_helper_fp_maxa_s(fp1, cpu_env, fp0, fp1);
+ gen_store_fpr32(fp1, a->fd);
+
+ tcg_temp_free_i32(fp0);
+ tcg_temp_free_i32(fp1);
+
+ return true;
+}
+
+static bool trans_fmaxa_d(DisasContext *ctx, arg_fmaxa_d *a)
+{
+ TCGv_i64 fp0, fp1;
+
+ fp0 = tcg_temp_new_i64();
+ fp1 = tcg_temp_new_i64();
+
+ check_fpu_enabled(ctx);
+ gen_load_fpr64(fp0, a->fj);
+ gen_load_fpr64(fp1, a->fk);
+ gen_helper_fp_maxa_d(fp1, cpu_env, fp0, fp1);
+ gen_store_fpr64(fp1, a->fd);
+
+ tcg_temp_free_i64(fp0);
+ tcg_temp_free_i64(fp1);
+
+ return true;
+}
+
+static bool trans_fmina_s(DisasContext *ctx, arg_fmina_s *a)
+{
+ TCGv_i32 fp0, fp1;
+
+ fp0 = tcg_temp_new_i32();
+ fp1 = tcg_temp_new_i32();
+
+ check_fpu_enabled(ctx);
+ gen_load_fpr32(fp0, a->fj);
+ gen_load_fpr32(fp1, a->fk);
+ gen_helper_fp_mina_s(fp1, cpu_env, fp0, fp1);
+ gen_store_fpr32(fp1, a->fd);
+
+ tcg_temp_free_i32(fp0);
+ tcg_temp_free_i32(fp1);
+
+ return true;
+}
+
+static bool trans_fmina_d(DisasContext *ctx, arg_fmina_d *a)
+{
+ TCGv_i64 fp0, fp1;
+
+ fp0 = tcg_temp_new_i64();
+ fp1 = tcg_temp_new_i64();
+
+ check_fpu_enabled(ctx);
+ gen_load_fpr64(fp0, a->fj);
+ gen_load_fpr64(fp1, a->fk);
+ gen_helper_fp_mina_d(fp1, cpu_env, fp0, fp1);
+ gen_store_fpr64(fp1, a->fd);
+
+ tcg_temp_free_i64(fp0);
+ tcg_temp_free_i64(fp1);
+
+ return true;
+}
+
+static bool trans_fabs_s(DisasContext *ctx, arg_fabs_s *a)
+{
+ TCGv_i32 fp0;
+
+ fp0 = tcg_temp_new_i32();
+
+ check_fpu_enabled(ctx);
+ gen_load_fpr32(fp0, a->fj);
+ gen_helper_fp_abs_s(fp0, fp0);
+ gen_store_fpr32(fp0, a->fd);
+
+ tcg_temp_free_i32(fp0);
+
+ return true;
+}
+
+static bool trans_fabs_d(DisasContext *ctx, arg_fabs_d *a)
+{
+ TCGv_i64 fp0;
+
+ fp0 = tcg_temp_new_i64();
+
+ check_fpu_enabled(ctx);
+ gen_load_fpr64(fp0, a->fj);
+ gen_helper_fp_abs_d(fp0, fp0);
+ gen_store_fpr64(fp0, a->fd);
+
+ tcg_temp_free_i64(fp0);
+
+ return true;
+}
+
+static bool trans_fneg_s(DisasContext *ctx, arg_fneg_s *a)
+{
+ TCGv_i32 fp0;
+
+ fp0 = tcg_temp_new_i32();
+
+ check_fpu_enabled(ctx);
+ gen_load_fpr32(fp0, a->fj);
+ gen_helper_fp_neg_s(fp0, fp0);
+ gen_store_fpr32(fp0, a->fd);
+
+ tcg_temp_free_i32(fp0);
+
+ return true;
+}
+
+static bool trans_fneg_d(DisasContext *ctx, arg_fneg_d *a)
+{
+ TCGv_i64 fp0;
+
+ fp0 = tcg_temp_new_i64();
+
+ check_fpu_enabled(ctx);
+ gen_load_fpr64(fp0, a->fj);
+ gen_helper_fp_neg_d(fp0, fp0);
+ gen_store_fpr64(fp0, a->fd);
+
+ tcg_temp_free_i64(fp0);
+
+ return true;
+}
+
+static bool trans_fsqrt_s(DisasContext *ctx, arg_fsqrt_s *a)
+{
+ TCGv_i32 fp0;
+
+ fp0 = tcg_temp_new_i32();
+
+ check_fpu_enabled(ctx);
+ gen_load_fpr32(fp0, a->fj);
+ gen_helper_fp_sqrt_s(fp0, cpu_env, fp0);
+ gen_store_fpr32(fp0, a->fd);
+
+ tcg_temp_free_i32(fp0);
+
+ return true;
+}
+
+static bool trans_fsqrt_d(DisasContext *ctx, arg_fsqrt_d *a)
+{
+ TCGv_i64 fp0;
+
+ fp0 = tcg_temp_new_i64();
+
+ check_fpu_enabled(ctx);
+ gen_load_fpr64(fp0, a->fj);
+ gen_helper_fp_sqrt_d(fp0, cpu_env, fp0);
+ gen_store_fpr64(fp0, a->fd);
+
+ tcg_temp_free_i64(fp0);
+
+ return true;
+}
+
+static bool trans_frecip_s(DisasContext *ctx, arg_frecip_s *a)
+{
+ TCGv_i32 fp0;
+
+ fp0 = tcg_temp_new_i32();
+
+ check_fpu_enabled(ctx);
+ gen_load_fpr32(fp0, a->fj);
+ gen_helper_fp_recip_s(fp0, cpu_env, fp0);
+ gen_store_fpr32(fp0, a->fd);
+
+ tcg_temp_free_i32(fp0);
+
+ return true;
+}
+
+static bool trans_frecip_d(DisasContext *ctx, arg_frecip_d *a)
+{
+ TCGv_i64 fp0;
+
+ fp0 = tcg_temp_new_i64();
+
+ check_fpu_enabled(ctx);
+ gen_load_fpr64(fp0, a->fj);
+ gen_helper_fp_recip_d(fp0, cpu_env, fp0);
+ gen_store_fpr64(fp0, a->fd);
+
+ tcg_temp_free_i64(fp0);
+
+ return true;
+}
+
+static bool trans_frsqrt_s(DisasContext *ctx, arg_frsqrt_s *a)
+{
+ TCGv_i32 fp0;
+
+ fp0 = tcg_temp_new_i32();
+
+ check_fpu_enabled(ctx);
+ gen_load_fpr32(fp0, a->fj);
+ gen_helper_fp_rsqrt_s(fp0, cpu_env, fp0);
+ gen_store_fpr32(fp0, a->fd);
+
+ tcg_temp_free_i32(fp0);
+
+ return true;
+}
+
+static bool trans_frsqrt_d(DisasContext *ctx, arg_frsqrt_d *a)
+{
+ TCGv_i64 fp0;
+
+ fp0 = tcg_temp_new_i64();
+
+ check_fpu_enabled(ctx);
+ gen_load_fpr64(fp0, a->fj);
+ gen_helper_fp_rsqrt_d(fp0, cpu_env, fp0);
+ gen_store_fpr64(fp0, a->fd);
+
+ tcg_temp_free_i64(fp0);
+
+ return true;
+}
+
+static bool trans_fscaleb_s(DisasContext *ctx, arg_fscaleb_s *a)
+{
+ TCGv_i32 fp0, fp1;
+
+ fp0 = tcg_temp_new_i32();
+ fp1 = tcg_temp_new_i32();
+
+ check_fpu_enabled(ctx);
+ gen_load_fpr32(fp0, a->fj);
+ gen_load_fpr32(fp1, a->fk);
+ gen_helper_fp_exp2_s(fp0, cpu_env, fp0, fp1);
+ gen_store_fpr32(fp0, a->fd);
+
+ tcg_temp_free_i32(fp0);
+ tcg_temp_free_i32(fp1);
+
+ return true;
+}
+
+static bool trans_fscaleb_d(DisasContext *ctx, arg_fscaleb_d *a)
+{
+ TCGv_i64 fp0, fp1;
+
+ fp0 = tcg_temp_new_i64();
+ fp1 = tcg_temp_new_i64();
+
+ check_fpu_enabled(ctx);
+ gen_load_fpr64(fp0, a->fj);
+ gen_load_fpr64(fp1, a->fk);
+ gen_helper_fp_exp2_d(fp0, cpu_env, fp0, fp1);
+ gen_store_fpr64(fp0, a->fd);
+
+ tcg_temp_free_i64(fp0);
+ tcg_temp_free_i64(fp1);
+
+ return true;
+}
+
+static bool trans_flogb_s(DisasContext *ctx, arg_flogb_s *a)
+{
+ TCGv_i32 fp0, fp1;
+
+ fp0 = tcg_temp_new_i32();
+ fp1 = tcg_temp_new_i32();
+
+ check_fpu_enabled(ctx);
+ gen_load_fpr32(fp0, a->fj);
+ gen_helper_fp_logb_s(fp1, cpu_env, fp0);
+ gen_store_fpr32(fp1, a->fd);
+
+ tcg_temp_free_i32(fp0);
+ tcg_temp_free_i32(fp1);
+
+ return true;
+}
+
+static bool trans_flogb_d(DisasContext *ctx, arg_flogb_d *a)
+{
+ TCGv_i64 fp0, fp1;
+
+ fp0 = tcg_temp_new_i64();
+ fp1 = tcg_temp_new_i64();
+
+ check_fpu_enabled(ctx);
+ gen_load_fpr64(fp0, a->fj);
+ gen_helper_fp_logb_d(fp1, cpu_env, fp0);
+ gen_store_fpr64(fp1, a->fd);
+
+ tcg_temp_free_i64(fp0);
+ tcg_temp_free_i64(fp1);
+
+ return true;
+}
+
+static bool trans_fcopysign_s(DisasContext *ctx, arg_fcopysign_s *a)
+{
+ TCGv_i32 fp0, fp1, fp2;
+
+ fp0 = tcg_temp_new_i32();
+ fp1 = tcg_temp_new_i32();
+ fp2 = tcg_temp_new_i32();
+
+ check_fpu_enabled(ctx);
+ gen_load_fpr32(fp0, a->fj);
+ gen_load_fpr32(fp1, a->fk);
+ tcg_gen_deposit_i32(fp2, fp1, fp0, 0, 31);
+ gen_store_fpr32(fp2, a->fd);
+
+ tcg_temp_free_i32(fp0);
+ tcg_temp_free_i32(fp1);
+ tcg_temp_free_i32(fp2);
+
+ return true;
+}
+
+static bool trans_fcopysign_d(DisasContext *ctx, arg_fcopysign_d *a)
+{
+ TCGv_i64 fp0, fp1, fp2;
+
+ fp0 = tcg_temp_new_i64();
+ fp1 = tcg_temp_new_i64();
+ fp2 = tcg_temp_new_i64();
+
+ check_fpu_enabled(ctx);
+ gen_load_fpr64(fp0, a->fj);
+ gen_load_fpr64(fp1, a->fk);
+ tcg_gen_deposit_i64(fp2, fp1, fp0, 0, 63);
+ gen_store_fpr64(fp2, a->fd);
+
+ tcg_temp_free_i64(fp0);
+ tcg_temp_free_i64(fp1);
+ tcg_temp_free_i64(fp2);
+
+ return true;
+}
+
+static bool trans_fclass_s(DisasContext *ctx, arg_fclass_s *a)
+{
+ TCGv_i32 fp0;
+
+ fp0 = tcg_temp_new_i32();
+
+ check_fpu_enabled(ctx);
+ gen_load_fpr32(fp0, a->fj);
+ gen_helper_fp_class_s(fp0, cpu_env, fp0);
+ gen_store_fpr32(fp0, a->fd);
+
+ tcg_temp_free_i32(fp0);
+
+ return true;
+}
+
+static bool trans_fclass_d(DisasContext *ctx, arg_fclass_d *a)
+{
+ TCGv_i64 fp0;
+
+ fp0 = tcg_temp_new_i64();
+
+ check_fpu_enabled(ctx);
+ gen_load_fpr64(fp0, a->fj);
+ gen_helper_fp_class_d(fp0, cpu_env, fp0);
+ gen_store_fpr64(fp0, a->fd);
+
+ tcg_temp_free_i64(fp0);
+
+ return true;
+}
This patch implement floating point arithmetic instruction translation. This includes: - F{ADD/SUB/MUL/DIV}.{S/D} - F{MADD/MSUB/NMADD/NMSUB}.{S/D} - F{MAX/MIN}.{S/D} - F{MAXA/MINA}.{S/D} - F{ABS/NEG}.{S/D} - F{SQRT/RECIP/RSQRT}.{S/D} - F{SCALEB/LOGB/COPYSIGN}.{S/D} - FCLASS.{S/D} Signed-off-by: Song Gao <gaosong@loongson.cn> --- target/loongarch/cpu.c | 2 + target/loongarch/fpu_helper.c | 380 ++++++++++++++++++++ target/loongarch/fpu_helper.h | 34 ++ target/loongarch/helper.h | 47 +++ target/loongarch/insns.decode | 56 +++ target/loongarch/trans.inc.c | 806 ++++++++++++++++++++++++++++++++++++++++++ 6 files changed, 1325 insertions(+) create mode 100644 target/loongarch/fpu_helper.c create mode 100644 target/loongarch/fpu_helper.h