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-rw-r--r--qemu/target-sparc/fop_helper.c468
1 files changed, 0 insertions, 468 deletions
diff --git a/qemu/target-sparc/fop_helper.c b/qemu/target-sparc/fop_helper.c
deleted file mode 100644
index 08306436a..000000000
--- a/qemu/target-sparc/fop_helper.c
+++ /dev/null
@@ -1,468 +0,0 @@
-/*
- * FPU op helpers
- *
- * Copyright (c) 2003-2005 Fabrice Bellard
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, see <http://www.gnu.org/licenses/>.
- */
-
-#include "qemu/osdep.h"
-#include "cpu.h"
-#include "exec/helper-proto.h"
-
-#define QT0 (env->qt0)
-#define QT1 (env->qt1)
-
-static void check_ieee_exceptions(CPUSPARCState *env)
-{
- target_ulong status;
-
- status = get_float_exception_flags(&env->fp_status);
- if (status) {
- /* Copy IEEE 754 flags into FSR */
- if (status & float_flag_invalid) {
- env->fsr |= FSR_NVC;
- }
- if (status & float_flag_overflow) {
- env->fsr |= FSR_OFC;
- }
- if (status & float_flag_underflow) {
- env->fsr |= FSR_UFC;
- }
- if (status & float_flag_divbyzero) {
- env->fsr |= FSR_DZC;
- }
- if (status & float_flag_inexact) {
- env->fsr |= FSR_NXC;
- }
-
- if ((env->fsr & FSR_CEXC_MASK) & ((env->fsr & FSR_TEM_MASK) >> 23)) {
- /* Unmasked exception, generate a trap */
- env->fsr |= FSR_FTT_IEEE_EXCP;
- helper_raise_exception(env, TT_FP_EXCP);
- } else {
- /* Accumulate exceptions */
- env->fsr |= (env->fsr & FSR_CEXC_MASK) << 5;
- }
- }
-}
-
-static inline void clear_float_exceptions(CPUSPARCState *env)
-{
- set_float_exception_flags(0, &env->fp_status);
-}
-
-#define F_HELPER(name, p) void helper_f##name##p(CPUSPARCState *env)
-
-#define F_BINOP(name) \
- float32 helper_f ## name ## s (CPUSPARCState *env, float32 src1, \
- float32 src2) \
- { \
- float32 ret; \
- clear_float_exceptions(env); \
- ret = float32_ ## name (src1, src2, &env->fp_status); \
- check_ieee_exceptions(env); \
- return ret; \
- } \
- float64 helper_f ## name ## d (CPUSPARCState * env, float64 src1,\
- float64 src2) \
- { \
- float64 ret; \
- clear_float_exceptions(env); \
- ret = float64_ ## name (src1, src2, &env->fp_status); \
- check_ieee_exceptions(env); \
- return ret; \
- } \
- F_HELPER(name, q) \
- { \
- clear_float_exceptions(env); \
- QT0 = float128_ ## name (QT0, QT1, &env->fp_status); \
- check_ieee_exceptions(env); \
- }
-
-F_BINOP(add);
-F_BINOP(sub);
-F_BINOP(mul);
-F_BINOP(div);
-#undef F_BINOP
-
-float64 helper_fsmuld(CPUSPARCState *env, float32 src1, float32 src2)
-{
- float64 ret;
- clear_float_exceptions(env);
- ret = float64_mul(float32_to_float64(src1, &env->fp_status),
- float32_to_float64(src2, &env->fp_status),
- &env->fp_status);
- check_ieee_exceptions(env);
- return ret;
-}
-
-void helper_fdmulq(CPUSPARCState *env, float64 src1, float64 src2)
-{
- clear_float_exceptions(env);
- QT0 = float128_mul(float64_to_float128(src1, &env->fp_status),
- float64_to_float128(src2, &env->fp_status),
- &env->fp_status);
- check_ieee_exceptions(env);
-}
-
-float32 helper_fnegs(float32 src)
-{
- return float32_chs(src);
-}
-
-#ifdef TARGET_SPARC64
-float64 helper_fnegd(float64 src)
-{
- return float64_chs(src);
-}
-
-F_HELPER(neg, q)
-{
- QT0 = float128_chs(QT1);
-}
-#endif
-
-/* Integer to float conversion. */
-float32 helper_fitos(CPUSPARCState *env, int32_t src)
-{
- /* Inexact error possible converting int to float. */
- float32 ret;
- clear_float_exceptions(env);
- ret = int32_to_float32(src, &env->fp_status);
- check_ieee_exceptions(env);
- return ret;
-}
-
-float64 helper_fitod(CPUSPARCState *env, int32_t src)
-{
- /* No possible exceptions converting int to double. */
- return int32_to_float64(src, &env->fp_status);
-}
-
-void helper_fitoq(CPUSPARCState *env, int32_t src)
-{
- /* No possible exceptions converting int to long double. */
- QT0 = int32_to_float128(src, &env->fp_status);
-}
-
-#ifdef TARGET_SPARC64
-float32 helper_fxtos(CPUSPARCState *env, int64_t src)
-{
- float32 ret;
- clear_float_exceptions(env);
- ret = int64_to_float32(src, &env->fp_status);
- check_ieee_exceptions(env);
- return ret;
-}
-
-float64 helper_fxtod(CPUSPARCState *env, int64_t src)
-{
- float64 ret;
- clear_float_exceptions(env);
- ret = int64_to_float64(src, &env->fp_status);
- check_ieee_exceptions(env);
- return ret;
-}
-
-void helper_fxtoq(CPUSPARCState *env, int64_t src)
-{
- /* No possible exceptions converting long long to long double. */
- QT0 = int64_to_float128(src, &env->fp_status);
-}
-#endif
-#undef F_HELPER
-
-/* floating point conversion */
-float32 helper_fdtos(CPUSPARCState *env, float64 src)
-{
- float32 ret;
- clear_float_exceptions(env);
- ret = float64_to_float32(src, &env->fp_status);
- check_ieee_exceptions(env);
- return ret;
-}
-
-float64 helper_fstod(CPUSPARCState *env, float32 src)
-{
- float64 ret;
- clear_float_exceptions(env);
- ret = float32_to_float64(src, &env->fp_status);
- check_ieee_exceptions(env);
- return ret;
-}
-
-float32 helper_fqtos(CPUSPARCState *env)
-{
- float32 ret;
- clear_float_exceptions(env);
- ret = float128_to_float32(QT1, &env->fp_status);
- check_ieee_exceptions(env);
- return ret;
-}
-
-void helper_fstoq(CPUSPARCState *env, float32 src)
-{
- clear_float_exceptions(env);
- QT0 = float32_to_float128(src, &env->fp_status);
- check_ieee_exceptions(env);
-}
-
-float64 helper_fqtod(CPUSPARCState *env)
-{
- float64 ret;
- clear_float_exceptions(env);
- ret = float128_to_float64(QT1, &env->fp_status);
- check_ieee_exceptions(env);
- return ret;
-}
-
-void helper_fdtoq(CPUSPARCState *env, float64 src)
-{
- clear_float_exceptions(env);
- QT0 = float64_to_float128(src, &env->fp_status);
- check_ieee_exceptions(env);
-}
-
-/* Float to integer conversion. */
-int32_t helper_fstoi(CPUSPARCState *env, float32 src)
-{
- int32_t ret;
- clear_float_exceptions(env);
- ret = float32_to_int32_round_to_zero(src, &env->fp_status);
- check_ieee_exceptions(env);
- return ret;
-}
-
-int32_t helper_fdtoi(CPUSPARCState *env, float64 src)
-{
- int32_t ret;
- clear_float_exceptions(env);
- ret = float64_to_int32_round_to_zero(src, &env->fp_status);
- check_ieee_exceptions(env);
- return ret;
-}
-
-int32_t helper_fqtoi(CPUSPARCState *env)
-{
- int32_t ret;
- clear_float_exceptions(env);
- ret = float128_to_int32_round_to_zero(QT1, &env->fp_status);
- check_ieee_exceptions(env);
- return ret;
-}
-
-#ifdef TARGET_SPARC64
-int64_t helper_fstox(CPUSPARCState *env, float32 src)
-{
- int64_t ret;
- clear_float_exceptions(env);
- ret = float32_to_int64_round_to_zero(src, &env->fp_status);
- check_ieee_exceptions(env);
- return ret;
-}
-
-int64_t helper_fdtox(CPUSPARCState *env, float64 src)
-{
- int64_t ret;
- clear_float_exceptions(env);
- ret = float64_to_int64_round_to_zero(src, &env->fp_status);
- check_ieee_exceptions(env);
- return ret;
-}
-
-int64_t helper_fqtox(CPUSPARCState *env)
-{
- int64_t ret;
- clear_float_exceptions(env);
- ret = float128_to_int64_round_to_zero(QT1, &env->fp_status);
- check_ieee_exceptions(env);
- return ret;
-}
-#endif
-
-float32 helper_fabss(float32 src)
-{
- return float32_abs(src);
-}
-
-#ifdef TARGET_SPARC64
-float64 helper_fabsd(float64 src)
-{
- return float64_abs(src);
-}
-
-void helper_fabsq(CPUSPARCState *env)
-{
- QT0 = float128_abs(QT1);
-}
-#endif
-
-float32 helper_fsqrts(CPUSPARCState *env, float32 src)
-{
- float32 ret;
- clear_float_exceptions(env);
- ret = float32_sqrt(src, &env->fp_status);
- check_ieee_exceptions(env);
- return ret;
-}
-
-float64 helper_fsqrtd(CPUSPARCState *env, float64 src)
-{
- float64 ret;
- clear_float_exceptions(env);
- ret = float64_sqrt(src, &env->fp_status);
- check_ieee_exceptions(env);
- return ret;
-}
-
-void helper_fsqrtq(CPUSPARCState *env)
-{
- clear_float_exceptions(env);
- QT0 = float128_sqrt(QT1, &env->fp_status);
- check_ieee_exceptions(env);
-}
-
-#define GEN_FCMP(name, size, reg1, reg2, FS, E) \
- void glue(helper_, name) (CPUSPARCState *env) \
- { \
- int ret; \
- clear_float_exceptions(env); \
- if (E) { \
- ret = glue(size, _compare)(reg1, reg2, &env->fp_status); \
- } else { \
- ret = glue(size, _compare_quiet)(reg1, reg2, \
- &env->fp_status); \
- } \
- check_ieee_exceptions(env); \
- switch (ret) { \
- case float_relation_unordered: \
- env->fsr |= (FSR_FCC1 | FSR_FCC0) << FS; \
- env->fsr |= FSR_NVA; \
- break; \
- case float_relation_less: \
- env->fsr &= ~(FSR_FCC1) << FS; \
- env->fsr |= FSR_FCC0 << FS; \
- break; \
- case float_relation_greater: \
- env->fsr &= ~(FSR_FCC0) << FS; \
- env->fsr |= FSR_FCC1 << FS; \
- break; \
- default: \
- env->fsr &= ~((FSR_FCC1 | FSR_FCC0) << FS); \
- break; \
- } \
- }
-#define GEN_FCMP_T(name, size, FS, E) \
- void glue(helper_, name)(CPUSPARCState *env, size src1, size src2) \
- { \
- int ret; \
- clear_float_exceptions(env); \
- if (E) { \
- ret = glue(size, _compare)(src1, src2, &env->fp_status); \
- } else { \
- ret = glue(size, _compare_quiet)(src1, src2, \
- &env->fp_status); \
- } \
- check_ieee_exceptions(env); \
- switch (ret) { \
- case float_relation_unordered: \
- env->fsr |= (FSR_FCC1 | FSR_FCC0) << FS; \
- break; \
- case float_relation_less: \
- env->fsr &= ~(FSR_FCC1 << FS); \
- env->fsr |= FSR_FCC0 << FS; \
- break; \
- case float_relation_greater: \
- env->fsr &= ~(FSR_FCC0 << FS); \
- env->fsr |= FSR_FCC1 << FS; \
- break; \
- default: \
- env->fsr &= ~((FSR_FCC1 | FSR_FCC0) << FS); \
- break; \
- } \
- }
-
-GEN_FCMP_T(fcmps, float32, 0, 0);
-GEN_FCMP_T(fcmpd, float64, 0, 0);
-
-GEN_FCMP_T(fcmpes, float32, 0, 1);
-GEN_FCMP_T(fcmped, float64, 0, 1);
-
-GEN_FCMP(fcmpq, float128, QT0, QT1, 0, 0);
-GEN_FCMP(fcmpeq, float128, QT0, QT1, 0, 1);
-
-#ifdef TARGET_SPARC64
-GEN_FCMP_T(fcmps_fcc1, float32, 22, 0);
-GEN_FCMP_T(fcmpd_fcc1, float64, 22, 0);
-GEN_FCMP(fcmpq_fcc1, float128, QT0, QT1, 22, 0);
-
-GEN_FCMP_T(fcmps_fcc2, float32, 24, 0);
-GEN_FCMP_T(fcmpd_fcc2, float64, 24, 0);
-GEN_FCMP(fcmpq_fcc2, float128, QT0, QT1, 24, 0);
-
-GEN_FCMP_T(fcmps_fcc3, float32, 26, 0);
-GEN_FCMP_T(fcmpd_fcc3, float64, 26, 0);
-GEN_FCMP(fcmpq_fcc3, float128, QT0, QT1, 26, 0);
-
-GEN_FCMP_T(fcmpes_fcc1, float32, 22, 1);
-GEN_FCMP_T(fcmped_fcc1, float64, 22, 1);
-GEN_FCMP(fcmpeq_fcc1, float128, QT0, QT1, 22, 1);
-
-GEN_FCMP_T(fcmpes_fcc2, float32, 24, 1);
-GEN_FCMP_T(fcmped_fcc2, float64, 24, 1);
-GEN_FCMP(fcmpeq_fcc2, float128, QT0, QT1, 24, 1);
-
-GEN_FCMP_T(fcmpes_fcc3, float32, 26, 1);
-GEN_FCMP_T(fcmped_fcc3, float64, 26, 1);
-GEN_FCMP(fcmpeq_fcc3, float128, QT0, QT1, 26, 1);
-#endif
-#undef GEN_FCMP_T
-#undef GEN_FCMP
-
-static inline void set_fsr(CPUSPARCState *env)
-{
- int rnd_mode;
-
- switch (env->fsr & FSR_RD_MASK) {
- case FSR_RD_NEAREST:
- rnd_mode = float_round_nearest_even;
- break;
- default:
- case FSR_RD_ZERO:
- rnd_mode = float_round_to_zero;
- break;
- case FSR_RD_POS:
- rnd_mode = float_round_up;
- break;
- case FSR_RD_NEG:
- rnd_mode = float_round_down;
- break;
- }
- set_float_rounding_mode(rnd_mode, &env->fp_status);
-}
-
-void helper_ldfsr(CPUSPARCState *env, uint32_t new_fsr)
-{
- env->fsr = (new_fsr & FSR_LDFSR_MASK) | (env->fsr & FSR_LDFSR_OLDMASK);
- set_fsr(env);
-}
-
-#ifdef TARGET_SPARC64
-void helper_ldxfsr(CPUSPARCState *env, uint64_t new_fsr)
-{
- env->fsr = (new_fsr & FSR_LDXFSR_MASK) | (env->fsr & FSR_LDXFSR_OLDMASK);
- set_fsr(env);
-}
-#endif