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Sparc: split FPU and VIS op helpers

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Move FPU op helpers to fop_helper.c. Move VIS op helpers to vis_helper.c,
compile it only for Sparc64.

Reviewed-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
This commit is contained in:
Blue Swirl 2011-08-01 07:37:45 +00:00
parent 99ca02195c
commit 1bccec25e1
4 changed files with 800 additions and 745 deletions
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5
Makefile.target
View File

@ -74,10 +74,11 @@ libobj-y += op_helper.o helper.o
ifeq ($(TARGET_BASE_ARCH), i386)
libobj-y += cpuid.o
endif
libobj-$(TARGET_SPARC64) += vis_helper.o
libobj-$(CONFIG_NEED_MMU) += mmu.o
libobj-$(TARGET_ARM) += neon_helper.o iwmmxt_helper.o
ifeq ($(TARGET_BASE_ARCH), sparc)
libobj-y += cpu_init.o
libobj-y += fop_helper.o cpu_init.o
endif
libobj-$(TARGET_SPARC) += int32_helper.o
libobj-$(TARGET_SPARC64) += int64_helper.o
@ -96,7 +97,7 @@ tcg/tcg.o: cpu.h
# HELPER_CFLAGS is used for all the code compiled with static register
# variables
op_helper.o user-exec.o: QEMU_CFLAGS += $(HELPER_CFLAGS)
op_helper.o fop_helper.o vis_helper.o user-exec.o: QEMU_CFLAGS += $(HELPER_CFLAGS)
# Note: this is a workaround. The real fix is to avoid compiling
# cpu_signal_handler() in user-exec.c.

394
target-sparc/fop_helper.c Normal file
View File

@ -0,0 +1,394 @@
/*
* 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 "cpu.h"
#include "dyngen-exec.h"
#include "helper.h"
#define DT0 (env->dt0)
#define DT1 (env->dt1)
#define QT0 (env->qt0)
#define QT1 (env->qt1)
#define F_HELPER(name, p) void helper_f##name##p(void)
#define F_BINOP(name) \
float32 helper_f ## name ## s (float32 src1, float32 src2) \
{ \
return float32_ ## name (src1, src2, &env->fp_status); \
} \
F_HELPER(name, d) \
{ \
DT0 = float64_ ## name (DT0, DT1, &env->fp_status); \
} \
F_HELPER(name, q) \
{ \
QT0 = float128_ ## name (QT0, QT1, &env->fp_status); \
}
F_BINOP(add);
F_BINOP(sub);
F_BINOP(mul);
F_BINOP(div);
#undef F_BINOP
void helper_fsmuld(float32 src1, float32 src2)
{
DT0 = float64_mul(float32_to_float64(src1, &env->fp_status),
float32_to_float64(src2, &env->fp_status),
&env->fp_status);
}
void helper_fdmulq(void)
{
QT0 = float128_mul(float64_to_float128(DT0, &env->fp_status),
float64_to_float128(DT1, &env->fp_status),
&env->fp_status);
}
float32 helper_fnegs(float32 src)
{
return float32_chs(src);
}
#ifdef TARGET_SPARC64
F_HELPER(neg, d)
{
DT0 = float64_chs(DT1);
}
F_HELPER(neg, q)
{
QT0 = float128_chs(QT1);
}
#endif
/* Integer to float conversion. */
float32 helper_fitos(int32_t src)
{
return int32_to_float32(src, &env->fp_status);
}
void helper_fitod(int32_t src)
{
DT0 = int32_to_float64(src, &env->fp_status);
}
void helper_fitoq(int32_t src)
{
QT0 = int32_to_float128(src, &env->fp_status);
}
#ifdef TARGET_SPARC64
float32 helper_fxtos(void)
{
return int64_to_float32(*((int64_t *)&DT1), &env->fp_status);
}
F_HELPER(xto, d)
{
DT0 = int64_to_float64(*((int64_t *)&DT1), &env->fp_status);
}
F_HELPER(xto, q)
{
QT0 = int64_to_float128(*((int64_t *)&DT1), &env->fp_status);
}
#endif
#undef F_HELPER
/* floating point conversion */
float32 helper_fdtos(void)
{
return float64_to_float32(DT1, &env->fp_status);
}
void helper_fstod(float32 src)
{
DT0 = float32_to_float64(src, &env->fp_status);
}
float32 helper_fqtos(void)
{
return float128_to_float32(QT1, &env->fp_status);
}
void helper_fstoq(float32 src)
{
QT0 = float32_to_float128(src, &env->fp_status);
}
void helper_fqtod(void)
{
DT0 = float128_to_float64(QT1, &env->fp_status);
}
void helper_fdtoq(void)
{
QT0 = float64_to_float128(DT1, &env->fp_status);
}
/* Float to integer conversion. */
int32_t helper_fstoi(float32 src)
{
return float32_to_int32_round_to_zero(src, &env->fp_status);
}
int32_t helper_fdtoi(void)
{
return float64_to_int32_round_to_zero(DT1, &env->fp_status);
}
int32_t helper_fqtoi(void)
{
return float128_to_int32_round_to_zero(QT1, &env->fp_status);
}
#ifdef TARGET_SPARC64
void helper_fstox(float32 src)
{
*((int64_t *)&DT0) = float32_to_int64_round_to_zero(src, &env->fp_status);
}
void helper_fdtox(void)
{
*((int64_t *)&DT0) = float64_to_int64_round_to_zero(DT1, &env->fp_status);
}
void helper_fqtox(void)
{
*((int64_t *)&DT0) = float128_to_int64_round_to_zero(QT1, &env->fp_status);
}
#endif
float32 helper_fabss(float32 src)
{
return float32_abs(src);
}
#ifdef TARGET_SPARC64
void helper_fabsd(void)
{
DT0 = float64_abs(DT1);
}
void helper_fabsq(void)
{
QT0 = float128_abs(QT1);
}
#endif
float32 helper_fsqrts(float32 src)
{
return float32_sqrt(src, &env->fp_status);
}
void helper_fsqrtd(void)
{
DT0 = float64_sqrt(DT1, &env->fp_status);
}
void helper_fsqrtq(void)
{
QT0 = float128_sqrt(QT1, &env->fp_status);
}
#define GEN_FCMP(name, size, reg1, reg2, FS, E) \
void glue(helper_, name) (void) \
{ \
env->fsr &= FSR_FTT_NMASK; \
if (E && (glue(size, _is_any_nan)(reg1) || \
glue(size, _is_any_nan)(reg2)) && \
(env->fsr & FSR_NVM)) { \
env->fsr |= FSR_NVC; \
env->fsr |= FSR_FTT_IEEE_EXCP; \
helper_raise_exception(env, TT_FP_EXCP); \
} \
switch (glue(size, _compare) (reg1, reg2, &env->fp_status)) { \
case float_relation_unordered: \
if ((env->fsr & FSR_NVM)) { \
env->fsr |= FSR_NVC; \
env->fsr |= FSR_FTT_IEEE_EXCP; \
helper_raise_exception(env, TT_FP_EXCP); \
} else { \
env->fsr &= ~((FSR_FCC1 | FSR_FCC0) << FS); \
env->fsr |= (FSR_FCC1 | FSR_FCC0) << FS; \
env->fsr |= FSR_NVA; \
} \
break; \
case float_relation_less: \
env->fsr &= ~((FSR_FCC1 | FSR_FCC0) << FS); \
env->fsr |= FSR_FCC0 << FS; \
break; \
case float_relation_greater: \
env->fsr &= ~((FSR_FCC1 | FSR_FCC0) << FS); \
env->fsr |= FSR_FCC1 << FS; \
break; \
default: \
env->fsr &= ~((FSR_FCC1 | FSR_FCC0) << FS); \
break; \
} \
}
#define GEN_FCMPS(name, size, FS, E) \
void glue(helper_, name)(float32 src1, float32 src2) \
{ \
env->fsr &= FSR_FTT_NMASK; \
if (E && (glue(size, _is_any_nan)(src1) || \
glue(size, _is_any_nan)(src2)) && \
(env->fsr & FSR_NVM)) { \
env->fsr |= FSR_NVC; \
env->fsr |= FSR_FTT_IEEE_EXCP; \
helper_raise_exception(env, TT_FP_EXCP); \
} \
switch (glue(size, _compare) (src1, src2, &env->fp_status)) { \
case float_relation_unordered: \
if ((env->fsr & FSR_NVM)) { \
env->fsr |= FSR_NVC; \
env->fsr |= FSR_FTT_IEEE_EXCP; \
helper_raise_exception(env, TT_FP_EXCP); \
} else { \
env->fsr &= ~((FSR_FCC1 | FSR_FCC0) << FS); \
env->fsr |= (FSR_FCC1 | FSR_FCC0) << FS; \
env->fsr |= FSR_NVA; \
} \
break; \
case float_relation_less: \
env->fsr &= ~((FSR_FCC1 | FSR_FCC0) << FS); \
env->fsr |= FSR_FCC0 << FS; \
break; \
case float_relation_greater: \
env->fsr &= ~((FSR_FCC1 | FSR_FCC0) << FS); \
env->fsr |= FSR_FCC1 << FS; \
break; \
default: \
env->fsr &= ~((FSR_FCC1 | FSR_FCC0) << FS); \
break; \
} \
}
GEN_FCMPS(fcmps, float32, 0, 0);
GEN_FCMP(fcmpd, float64, DT0, DT1, 0, 0);
GEN_FCMPS(fcmpes, float32, 0, 1);
GEN_FCMP(fcmped, float64, DT0, DT1, 0, 1);
GEN_FCMP(fcmpq, float128, QT0, QT1, 0, 0);
GEN_FCMP(fcmpeq, float128, QT0, QT1, 0, 1);
#ifdef TARGET_SPARC64
GEN_FCMPS(fcmps_fcc1, float32, 22, 0);
GEN_FCMP(fcmpd_fcc1, float64, DT0, DT1, 22, 0);
GEN_FCMP(fcmpq_fcc1, float128, QT0, QT1, 22, 0);
GEN_FCMPS(fcmps_fcc2, float32, 24, 0);
GEN_FCMP(fcmpd_fcc2, float64, DT0, DT1, 24, 0);
GEN_FCMP(fcmpq_fcc2, float128, QT0, QT1, 24, 0);
GEN_FCMPS(fcmps_fcc3, float32, 26, 0);
GEN_FCMP(fcmpd_fcc3, float64, DT0, DT1, 26, 0);
GEN_FCMP(fcmpq_fcc3, float128, QT0, QT1, 26, 0);
GEN_FCMPS(fcmpes_fcc1, float32, 22, 1);
GEN_FCMP(fcmped_fcc1, float64, DT0, DT1, 22, 1);
GEN_FCMP(fcmpeq_fcc1, float128, QT0, QT1, 22, 1);
GEN_FCMPS(fcmpes_fcc2, float32, 24, 1);
GEN_FCMP(fcmped_fcc2, float64, DT0, DT1, 24, 1);
GEN_FCMP(fcmpeq_fcc2, float128, QT0, QT1, 24, 1);
GEN_FCMPS(fcmpes_fcc3, float32, 26, 1);
GEN_FCMP(fcmped_fcc3, float64, DT0, DT1, 26, 1);
GEN_FCMP(fcmpeq_fcc3, float128, QT0, QT1, 26, 1);
#endif
#undef GEN_FCMPS
void helper_check_ieee_exceptions(void)
{
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;
}
}
}
void helper_clear_float_exceptions(void)
{
set_float_exception_flags(0, &env->fp_status);
}
static inline void set_fsr(void)
{
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(uint32_t new_fsr)
{
env->fsr = (new_fsr & FSR_LDFSR_MASK) | (env->fsr & FSR_LDFSR_OLDMASK);
set_fsr();
}
#ifdef TARGET_SPARC64
void helper_ldxfsr(uint64_t new_fsr)
{
env->fsr = (new_fsr & FSR_LDXFSR_MASK) | (env->fsr & FSR_LDXFSR_OLDMASK);
set_fsr();
}
#endif

743
target-sparc/op_helper.c
View File

@ -333,655 +333,6 @@ void helper_check_align(target_ulong addr, uint32_t align)
}
}
#define F_HELPER(name, p) void helper_f##name##p(void)
#define F_BINOP(name) \
float32 helper_f ## name ## s (float32 src1, float32 src2) \
{ \
return float32_ ## name (src1, src2, &env->fp_status); \
} \
F_HELPER(name, d) \
{ \
DT0 = float64_ ## name (DT0, DT1, &env->fp_status); \
} \
F_HELPER(name, q) \
{ \
QT0 = float128_ ## name (QT0, QT1, &env->fp_status); \
}
F_BINOP(add);
F_BINOP(sub);
F_BINOP(mul);
F_BINOP(div);
#undef F_BINOP
void helper_fsmuld(float32 src1, float32 src2)
{
DT0 = float64_mul(float32_to_float64(src1, &env->fp_status),
float32_to_float64(src2, &env->fp_status),
&env->fp_status);
}
void helper_fdmulq(void)
{
QT0 = float128_mul(float64_to_float128(DT0, &env->fp_status),
float64_to_float128(DT1, &env->fp_status),
&env->fp_status);
}
float32 helper_fnegs(float32 src)
{
return float32_chs(src);
}
#ifdef TARGET_SPARC64
F_HELPER(neg, d)
{
DT0 = float64_chs(DT1);
}
F_HELPER(neg, q)
{
QT0 = float128_chs(QT1);
}
#endif
/* Integer to float conversion. */
float32 helper_fitos(int32_t src)
{
return int32_to_float32(src, &env->fp_status);
}
void helper_fitod(int32_t src)
{
DT0 = int32_to_float64(src, &env->fp_status);
}
void helper_fitoq(int32_t src)
{
QT0 = int32_to_float128(src, &env->fp_status);
}
#ifdef TARGET_SPARC64
float32 helper_fxtos(void)
{
return int64_to_float32(*((int64_t *)&DT1), &env->fp_status);
}
F_HELPER(xto, d)
{
DT0 = int64_to_float64(*((int64_t *)&DT1), &env->fp_status);
}
F_HELPER(xto, q)
{
QT0 = int64_to_float128(*((int64_t *)&DT1), &env->fp_status);
}
#endif
#undef F_HELPER
/* floating point conversion */
float32 helper_fdtos(void)
{
return float64_to_float32(DT1, &env->fp_status);
}
void helper_fstod(float32 src)
{
DT0 = float32_to_float64(src, &env->fp_status);
}
float32 helper_fqtos(void)
{
return float128_to_float32(QT1, &env->fp_status);
}
void helper_fstoq(float32 src)
{
QT0 = float32_to_float128(src, &env->fp_status);
}
void helper_fqtod(void)
{
DT0 = float128_to_float64(QT1, &env->fp_status);
}
void helper_fdtoq(void)
{
QT0 = float64_to_float128(DT1, &env->fp_status);
}
/* Float to integer conversion. */
int32_t helper_fstoi(float32 src)
{
return float32_to_int32_round_to_zero(src, &env->fp_status);
}
int32_t helper_fdtoi(void)
{
return float64_to_int32_round_to_zero(DT1, &env->fp_status);
}
int32_t helper_fqtoi(void)
{
return float128_to_int32_round_to_zero(QT1, &env->fp_status);
}
#ifdef TARGET_SPARC64
void helper_fstox(float32 src)
{
*((int64_t *)&DT0) = float32_to_int64_round_to_zero(src, &env->fp_status);
}
void helper_fdtox(void)
{
*((int64_t *)&DT0) = float64_to_int64_round_to_zero(DT1, &env->fp_status);
}
void helper_fqtox(void)
{
*((int64_t *)&DT0) = float128_to_int64_round_to_zero(QT1, &env->fp_status);
}
void helper_faligndata(void)
{
uint64_t tmp;
tmp = (*((uint64_t *)&DT0)) << ((env->gsr & 7) * 8);
/* on many architectures a shift of 64 does nothing */
if ((env->gsr & 7) != 0) {
tmp |= (*((uint64_t *)&DT1)) >> (64 - (env->gsr & 7) * 8);
}
*((uint64_t *)&DT0) = tmp;
}
#ifdef HOST_WORDS_BIGENDIAN
#define VIS_B64(n) b[7 - (n)]
#define VIS_W64(n) w[3 - (n)]
#define VIS_SW64(n) sw[3 - (n)]
#define VIS_L64(n) l[1 - (n)]
#define VIS_B32(n) b[3 - (n)]
#define VIS_W32(n) w[1 - (n)]
#else
#define VIS_B64(n) b[n]
#define VIS_W64(n) w[n]
#define VIS_SW64(n) sw[n]
#define VIS_L64(n) l[n]
#define VIS_B32(n) b[n]
#define VIS_W32(n) w[n]
#endif
typedef union {
uint8_t b[8];
uint16_t w[4];
int16_t sw[4];
uint32_t l[2];
uint64_t ll;
float64 d;
} VIS64;
typedef union {
uint8_t b[4];
uint16_t w[2];
uint32_t l;
float32 f;
} VIS32;
void helper_fpmerge(void)
{
VIS64 s, d;
s.d = DT0;
d.d = DT1;
/* Reverse calculation order to handle overlap */
d.VIS_B64(7) = s.VIS_B64(3);
d.VIS_B64(6) = d.VIS_B64(3);
d.VIS_B64(5) = s.VIS_B64(2);
d.VIS_B64(4) = d.VIS_B64(2);
d.VIS_B64(3) = s.VIS_B64(1);
d.VIS_B64(2) = d.VIS_B64(1);
d.VIS_B64(1) = s.VIS_B64(0);
/* d.VIS_B64(0) = d.VIS_B64(0); */
DT0 = d.d;
}
void helper_fmul8x16(void)
{
VIS64 s, d;
uint32_t tmp;
s.d = DT0;
d.d = DT1;
#define PMUL(r) \
tmp = (int32_t)d.VIS_SW64(r) * (int32_t)s.VIS_B64(r); \
if ((tmp & 0xff) > 0x7f) { \
tmp += 0x100; \
} \
d.VIS_W64(r) = tmp >> 8;
PMUL(0);
PMUL(1);
PMUL(2);
PMUL(3);
#undef PMUL
DT0 = d.d;
}
void helper_fmul8x16al(void)
{
VIS64 s, d;
uint32_t tmp;
s.d = DT0;
d.d = DT1;
#define PMUL(r) \
tmp = (int32_t)d.VIS_SW64(1) * (int32_t)s.VIS_B64(r); \
if ((tmp & 0xff) > 0x7f) { \
tmp += 0x100; \
} \
d.VIS_W64(r) = tmp >> 8;
PMUL(0);
PMUL(1);
PMUL(2);
PMUL(3);
#undef PMUL
DT0 = d.d;
}
void helper_fmul8x16au(void)
{
VIS64 s, d;
uint32_t tmp;
s.d = DT0;
d.d = DT1;
#define PMUL(r) \
tmp = (int32_t)d.VIS_SW64(0) * (int32_t)s.VIS_B64(r); \
if ((tmp & 0xff) > 0x7f) { \
tmp += 0x100; \
} \
d.VIS_W64(r) = tmp >> 8;
PMUL(0);
PMUL(1);
PMUL(2);
PMUL(3);
#undef PMUL
DT0 = d.d;
}
void helper_fmul8sux16(void)
{
VIS64 s, d;
uint32_t tmp;
s.d = DT0;
d.d = DT1;
#define PMUL(r) \
tmp = (int32_t)d.VIS_SW64(r) * ((int32_t)s.VIS_SW64(r) >> 8); \
if ((tmp & 0xff) > 0x7f) { \
tmp += 0x100; \
} \
d.VIS_W64(r) = tmp >> 8;
PMUL(0);
PMUL(1);
PMUL(2);
PMUL(3);
#undef PMUL
DT0 = d.d;
}
void helper_fmul8ulx16(void)
{
VIS64 s, d;
uint32_t tmp;
s.d = DT0;
d.d = DT1;
#define PMUL(r) \
tmp = (int32_t)d.VIS_SW64(r) * ((uint32_t)s.VIS_B64(r * 2)); \
if ((tmp & 0xff) > 0x7f) { \
tmp += 0x100; \
} \
d.VIS_W64(r) = tmp >> 8;
PMUL(0);
PMUL(1);
PMUL(2);
PMUL(3);
#undef PMUL
DT0 = d.d;
}
void helper_fmuld8sux16(void)
{
VIS64 s, d;
uint32_t tmp;
s.d = DT0;
d.d = DT1;
#define PMUL(r) \
tmp = (int32_t)d.VIS_SW64(r) * ((int32_t)s.VIS_SW64(r) >> 8); \
if ((tmp & 0xff) > 0x7f) { \
tmp += 0x100; \
} \
d.VIS_L64(r) = tmp;
/* Reverse calculation order to handle overlap */
PMUL(1);
PMUL(0);
#undef PMUL
DT0 = d.d;
}
void helper_fmuld8ulx16(void)
{
VIS64 s, d;
uint32_t tmp;
s.d = DT0;
d.d = DT1;
#define PMUL(r) \
tmp = (int32_t)d.VIS_SW64(r) * ((uint32_t)s.VIS_B64(r * 2)); \
if ((tmp & 0xff) > 0x7f) { \
tmp += 0x100; \
} \
d.VIS_L64(r) = tmp;
/* Reverse calculation order to handle overlap */
PMUL(1);
PMUL(0);
#undef PMUL
DT0 = d.d;
}
void helper_fexpand(void)
{
VIS32 s;
VIS64 d;
s.l = (uint32_t)(*(uint64_t *)&DT0 & 0xffffffff);
d.d = DT1;
d.VIS_W64(0) = s.VIS_B32(0) << 4;
d.VIS_W64(1) = s.VIS_B32(1) << 4;
d.VIS_W64(2) = s.VIS_B32(2) << 4;
d.VIS_W64(3) = s.VIS_B32(3) << 4;
DT0 = d.d;
}
#define VIS_HELPER(name, F) \
void name##16(void) \
{ \
VIS64 s, d; \
\
s.d = DT0; \
d.d = DT1; \
\
d.VIS_W64(0) = F(d.VIS_W64(0), s.VIS_W64(0)); \
d.VIS_W64(1) = F(d.VIS_W64(1), s.VIS_W64(1)); \
d.VIS_W64(2) = F(d.VIS_W64(2), s.VIS_W64(2)); \
d.VIS_W64(3) = F(d.VIS_W64(3), s.VIS_W64(3)); \
\
DT0 = d.d; \
} \
\
uint32_t name##16s(uint32_t src1, uint32_t src2) \
{ \
VIS32 s, d; \
\
s.l = src1; \
d.l = src2; \
\
d.VIS_W32(0) = F(d.VIS_W32(0), s.VIS_W32(0)); \
d.VIS_W32(1) = F(d.VIS_W32(1), s.VIS_W32(1)); \
\
return d.l; \
} \
\
void name##32(void) \
{ \
VIS64 s, d; \
\
s.d = DT0; \
d.d = DT1; \
\
d.VIS_L64(0) = F(d.VIS_L64(0), s.VIS_L64(0)); \
d.VIS_L64(1) = F(d.VIS_L64(1), s.VIS_L64(1)); \
\
DT0 = d.d; \
} \
\
uint32_t name##32s(uint32_t src1, uint32_t src2) \
{ \
VIS32 s, d; \
\
s.l = src1; \
d.l = src2; \
\
d.l = F(d.l, s.l); \
\
return d.l; \
}
#define FADD(a, b) ((a) + (b))
#define FSUB(a, b) ((a) - (b))
VIS_HELPER(helper_fpadd, FADD)
VIS_HELPER(helper_fpsub, FSUB)
#define VIS_CMPHELPER(name, F) \
uint64_t name##16(void) \
{ \
VIS64 s, d; \
\
s.d = DT0; \
d.d = DT1; \
\
d.VIS_W64(0) = F(s.VIS_W64(0), d.VIS_W64(0)) ? 1 : 0; \
d.VIS_W64(0) |= F(s.VIS_W64(1), d.VIS_W64(1)) ? 2 : 0; \
d.VIS_W64(0) |= F(s.VIS_W64(2), d.VIS_W64(2)) ? 4 : 0; \
d.VIS_W64(0) |= F(s.VIS_W64(3), d.VIS_W64(3)) ? 8 : 0; \
d.VIS_W64(1) = d.VIS_W64(2) = d.VIS_W64(3) = 0; \
\
return d.ll; \
} \
\
uint64_t name##32(void) \
{ \
VIS64 s, d; \
\
s.d = DT0; \
d.d = DT1; \
\
d.VIS_L64(0) = F(s.VIS_L64(0), d.VIS_L64(0)) ? 1 : 0; \
d.VIS_L64(0) |= F(s.VIS_L64(1), d.VIS_L64(1)) ? 2 : 0; \
d.VIS_L64(1) = 0; \
\
return d.ll; \
}
#define FCMPGT(a, b) ((a) > (b))
#define FCMPEQ(a, b) ((a) == (b))
#define FCMPLE(a, b) ((a) <= (b))
#define FCMPNE(a, b) ((a) != (b))
VIS_CMPHELPER(helper_fcmpgt, FCMPGT)
VIS_CMPHELPER(helper_fcmpeq, FCMPEQ)
VIS_CMPHELPER(helper_fcmple, FCMPLE)
VIS_CMPHELPER(helper_fcmpne, FCMPNE)
#endif
void helper_check_ieee_exceptions(void)
{
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;
}
}
}
void helper_clear_float_exceptions(void)
{
set_float_exception_flags(0, &env->fp_status);
}
float32 helper_fabss(float32 src)
{
return float32_abs(src);
}
#ifdef TARGET_SPARC64
void helper_fabsd(void)
{
DT0 = float64_abs(DT1);
}
void helper_fabsq(void)
{
QT0 = float128_abs(QT1);
}
#endif
float32 helper_fsqrts(float32 src)
{
return float32_sqrt(src, &env->fp_status);
}
void helper_fsqrtd(void)
{
DT0 = float64_sqrt(DT1, &env->fp_status);
}
void helper_fsqrtq(void)
{
QT0 = float128_sqrt(QT1, &env->fp_status);
}
#define GEN_FCMP(name, size, reg1, reg2, FS, E) \
void glue(helper_, name) (void) \
{ \
env->fsr &= FSR_FTT_NMASK; \
if (E && (glue(size, _is_any_nan)(reg1) || \
glue(size, _is_any_nan)(reg2)) && \
(env->fsr & FSR_NVM)) { \
env->fsr |= FSR_NVC; \
env->fsr |= FSR_FTT_IEEE_EXCP; \
helper_raise_exception(env, TT_FP_EXCP); \
} \
switch (glue(size, _compare) (reg1, reg2, &env->fp_status)) { \
case float_relation_unordered: \
if ((env->fsr & FSR_NVM)) { \
env->fsr |= FSR_NVC; \
env->fsr |= FSR_FTT_IEEE_EXCP; \
helper_raise_exception(env, TT_FP_EXCP); \
} else { \
env->fsr &= ~((FSR_FCC1 | FSR_FCC0) << FS); \
env->fsr |= (FSR_FCC1 | FSR_FCC0) << FS; \
env->fsr |= FSR_NVA; \
} \
break; \
case float_relation_less: \
env->fsr &= ~((FSR_FCC1 | FSR_FCC0) << FS); \
env->fsr |= FSR_FCC0 << FS; \
break; \
case float_relation_greater: \
env->fsr &= ~((FSR_FCC1 | FSR_FCC0) << FS); \
env->fsr |= FSR_FCC1 << FS; \
break; \
default: \
env->fsr &= ~((FSR_FCC1 | FSR_FCC0) << FS); \
break; \
} \
}
#define GEN_FCMPS(name, size, FS, E) \
void glue(helper_, name)(float32 src1, float32 src2) \
{ \
env->fsr &= FSR_FTT_NMASK; \
if (E && (glue(size, _is_any_nan)(src1) || \
glue(size, _is_any_nan)(src2)) && \
(env->fsr & FSR_NVM)) { \
env->fsr |= FSR_NVC; \
env->fsr |= FSR_FTT_IEEE_EXCP; \
helper_raise_exception(env, TT_FP_EXCP); \
} \
switch (glue(size, _compare) (src1, src2, &env->fp_status)) { \
case float_relation_unordered: \
if ((env->fsr & FSR_NVM)) { \
env->fsr |= FSR_NVC; \
env->fsr |= FSR_FTT_IEEE_EXCP; \
helper_raise_exception(env, TT_FP_EXCP); \
} else { \
env->fsr &= ~((FSR_FCC1 | FSR_FCC0) << FS); \
env->fsr |= (FSR_FCC1 | FSR_FCC0) << FS; \
env->fsr |= FSR_NVA; \
} \
break; \
case float_relation_less: \
env->fsr &= ~((FSR_FCC1 | FSR_FCC0) << FS); \
env->fsr |= FSR_FCC0 << FS; \
break; \
case float_relation_greater: \
env->fsr &= ~((FSR_FCC1 | FSR_FCC0) << FS); \
env->fsr |= FSR_FCC1 << FS; \
break; \
default: \
env->fsr &= ~((FSR_FCC1 | FSR_FCC0) << FS); \
break; \
} \
}
GEN_FCMPS(fcmps, float32, 0, 0);
GEN_FCMP(fcmpd, float64, DT0, DT1, 0, 0);
GEN_FCMPS(fcmpes, float32, 0, 1);
GEN_FCMP(fcmped, float64, DT0, DT1, 0, 1);
GEN_FCMP(fcmpq, float128, QT0, QT1, 0, 0);
GEN_FCMP(fcmpeq, float128, QT0, QT1, 0, 1);
static uint32_t compute_all_flags(void)
{
return env->psr & PSR_ICC;
@ -1580,33 +931,6 @@ int cpu_cwp_dec(CPUState *env1, int cwp)
return ret;
}
#ifdef TARGET_SPARC64
GEN_FCMPS(fcmps_fcc1, float32, 22, 0);
GEN_FCMP(fcmpd_fcc1, float64, DT0, DT1, 22, 0);
GEN_FCMP(fcmpq_fcc1, float128, QT0, QT1, 22, 0);
GEN_FCMPS(fcmps_fcc2, float32, 24, 0);
GEN_FCMP(fcmpd_fcc2, float64, DT0, DT1, 24, 0);
GEN_FCMP(fcmpq_fcc2, float128, QT0, QT1, 24, 0);
GEN_FCMPS(fcmps_fcc3, float32, 26, 0);
GEN_FCMP(fcmpd_fcc3, float64, DT0, DT1, 26, 0);
GEN_FCMP(fcmpq_fcc3, float128, QT0, QT1, 26, 0);
GEN_FCMPS(fcmpes_fcc1, float32, 22, 1);
GEN_FCMP(fcmped_fcc1, float64, DT0, DT1, 22, 1);
GEN_FCMP(fcmpeq_fcc1, float128, QT0, QT1, 22, 1);
GEN_FCMPS(fcmpes_fcc2, float32, 24, 1);
GEN_FCMP(fcmped_fcc2, float64, DT0, DT1, 24, 1);
GEN_FCMP(fcmpeq_fcc2, float128, QT0, QT1, 24, 1);
GEN_FCMPS(fcmpes_fcc3, float32, 26, 1);
GEN_FCMP(fcmped_fcc3, float64, DT0, DT1, 26, 1);
GEN_FCMP(fcmpeq_fcc3, float128, QT0, QT1, 26, 1);
#endif
#undef GEN_FCMPS
#if !defined(TARGET_SPARC64) && !defined(CONFIG_USER_ONLY) && \
defined(DEBUG_MXCC)
static void dump_mxcc(CPUState *env)
@ -3748,42 +3072,6 @@ void helper_stqf(target_ulong addr, int mem_idx)
#endif
}
static inline void set_fsr(void)
{
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(uint32_t new_fsr)
{
env->fsr = (new_fsr & FSR_LDFSR_MASK) | (env->fsr & FSR_LDFSR_OLDMASK);
set_fsr();
}
#ifdef TARGET_SPARC64
void helper_ldxfsr(uint64_t new_fsr)
{
env->fsr = (new_fsr & FSR_LDXFSR_MASK) | (env->fsr & FSR_LDXFSR_OLDMASK);
set_fsr();
}
#endif
#ifndef TARGET_SPARC64
/* XXX: use another pointer for %iN registers to avoid slow wrapping
handling ? */
@ -3993,37 +3281,6 @@ void helper_wrcwp(target_ulong new_cwp)
put_cwp64(new_cwp);
}
/* This function uses non-native bit order */
#define GET_FIELD(X, FROM, TO) \
((X) >> (63 - (TO)) & ((1ULL << ((TO) - (FROM) + 1)) - 1))
/* This function uses the order in the manuals, i.e. bit 0 is 2^0 */
#define GET_FIELD_SP(X, FROM, TO) \
GET_FIELD(X, 63 - (TO), 63 - (FROM))
target_ulong helper_array8(target_ulong pixel_addr, target_ulong cubesize)
{
return (GET_FIELD_SP(pixel_addr, 60, 63) << (17 + 2 * cubesize)) |
(GET_FIELD_SP(pixel_addr, 39, 39 + cubesize - 1) << (17 + cubesize)) |
(GET_FIELD_SP(pixel_addr, 17 + cubesize - 1, 17) << 17) |
(GET_FIELD_SP(pixel_addr, 56, 59) << 13) |
(GET_FIELD_SP(pixel_addr, 35, 38) << 9) |
(GET_FIELD_SP(pixel_addr, 13, 16) << 5) |
(((pixel_addr >> 55) & 1) << 4) |
(GET_FIELD_SP(pixel_addr, 33, 34) << 2) |
GET_FIELD_SP(pixel_addr, 11, 12);
}
target_ulong helper_alignaddr(target_ulong addr, target_ulong offset)
{
uint64_t tmp;
tmp = addr + offset;
env->gsr &= ~7ULL;
env->gsr |= tmp & 7ULL;
return tmp & ~7ULL;
}
static inline uint64_t *get_gregset(uint32_t pstate)
{
switch (pstate) {

403
target-sparc/vis_helper.c Normal file
View File

@ -0,0 +1,403 @@
/*
* VIS 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 "cpu.h"
#include "dyngen-exec.h"
#include "helper.h"
#define DT0 (env->dt0)
#define DT1 (env->dt1)
#define QT0 (env->qt0)
#define QT1 (env->qt1)
/* This function uses non-native bit order */
#define GET_FIELD(X, FROM, TO) \
((X) >> (63 - (TO)) & ((1ULL << ((TO) - (FROM) + 1)) - 1))
/* This function uses the order in the manuals, i.e. bit 0 is 2^0 */
#define GET_FIELD_SP(X, FROM, TO) \
GET_FIELD(X, 63 - (TO), 63 - (FROM))
target_ulong helper_array8(target_ulong pixel_addr, target_ulong cubesize)
{
return (GET_FIELD_SP(pixel_addr, 60, 63) << (17 + 2 * cubesize)) |
(GET_FIELD_SP(pixel_addr, 39, 39 + cubesize - 1) << (17 + cubesize)) |
(GET_FIELD_SP(pixel_addr, 17 + cubesize - 1, 17) << 17) |
(GET_FIELD_SP(pixel_addr, 56, 59) << 13) |
(GET_FIELD_SP(pixel_addr, 35, 38) << 9) |
(GET_FIELD_SP(pixel_addr, 13, 16) << 5) |
(((pixel_addr >> 55) & 1) << 4) |
(GET_FIELD_SP(pixel_addr, 33, 34) << 2) |
GET_FIELD_SP(pixel_addr, 11, 12);
}
target_ulong helper_alignaddr(target_ulong addr, target_ulong offset)
{
uint64_t tmp;
tmp = addr + offset;
env->gsr &= ~7ULL;
env->gsr |= tmp & 7ULL;
return tmp & ~7ULL;
}
void helper_faligndata(void)
{
uint64_t tmp;
tmp = (*((uint64_t *)&DT0)) << ((env->gsr & 7) * 8);
/* on many architectures a shift of 64 does nothing */
if ((env->gsr & 7) != 0) {
tmp |= (*((uint64_t *)&DT1)) >> (64 - (env->gsr & 7) * 8);
}
*((uint64_t *)&DT0) = tmp;
}
#ifdef HOST_WORDS_BIGENDIAN
#define VIS_B64(n) b[7 - (n)]
#define VIS_W64(n) w[3 - (n)]
#define VIS_SW64(n) sw[3 - (n)]
#define VIS_L64(n) l[1 - (n)]
#define VIS_B32(n) b[3 - (n)]
#define VIS_W32(n) w[1 - (n)]
#else
#define VIS_B64(n) b[n]
#define VIS_W64(n) w[n]
#define VIS_SW64(n) sw[n]
#define VIS_L64(n) l[n]
#define VIS_B32(n) b[n]
#define VIS_W32(n) w[n]
#endif
typedef union {
uint8_t b[8];
uint16_t w[4];
int16_t sw[4];
uint32_t l[2];
uint64_t ll;
float64 d;
} VIS64;
typedef union {
uint8_t b[4];
uint16_t w[2];
uint32_t l;
float32 f;
} VIS32;
void helper_fpmerge(void)
{
VIS64 s, d;
s.d = DT0;
d.d = DT1;
/* Reverse calculation order to handle overlap */
d.VIS_B64(7) = s.VIS_B64(3);
d.VIS_B64(6) = d.VIS_B64(3);
d.VIS_B64(5) = s.VIS_B64(2);
d.VIS_B64(4) = d.VIS_B64(2);
d.VIS_B64(3) = s.VIS_B64(1);
d.VIS_B64(2) = d.VIS_B64(1);
d.VIS_B64(1) = s.VIS_B64(0);
/* d.VIS_B64(0) = d.VIS_B64(0); */
DT0 = d.d;
}
void helper_fmul8x16(void)
{
VIS64 s, d;
uint32_t tmp;
s.d = DT0;
d.d = DT1;
#define PMUL(r) \
tmp = (int32_t)d.VIS_SW64(r) * (int32_t)s.VIS_B64(r); \
if ((tmp & 0xff) > 0x7f) { \
tmp += 0x100; \
} \
d.VIS_W64(r) = tmp >> 8;
PMUL(0);
PMUL(1);
PMUL(2);
PMUL(3);
#undef PMUL
DT0 = d.d;
}
void helper_fmul8x16al(void)
{
VIS64 s, d;
uint32_t tmp;
s.d = DT0;
d.d = DT1;
#define PMUL(r) \
tmp = (int32_t)d.VIS_SW64(1) * (int32_t)s.VIS_B64(r); \
if ((tmp & 0xff) > 0x7f) { \
tmp += 0x100; \
} \
d.VIS_W64(r) = tmp >> 8;
PMUL(0);
PMUL(1);
PMUL(2);
PMUL(3);
#undef PMUL
DT0 = d.d;
}
void helper_fmul8x16au(void)
{
VIS64 s, d;
uint32_t tmp;
s.d = DT0;
d.d = DT1;
#define PMUL(r) \
tmp = (int32_t)d.VIS_SW64(0) * (int32_t)s.VIS_B64(r); \
if ((tmp & 0xff) > 0x7f) { \
tmp += 0x100; \
} \
d.VIS_W64(r) = tmp >> 8;
PMUL(0);
PMUL(1);
PMUL(2);
PMUL(3);
#undef PMUL
DT0 = d.d;
}
void helper_fmul8sux16(void)
{
VIS64 s, d;
uint32_t tmp;
s.d = DT0;
d.d = DT1;
#define PMUL(r) \
tmp = (int32_t)d.VIS_SW64(r) * ((int32_t)s.VIS_SW64(r) >> 8); \
if ((tmp & 0xff) > 0x7f) { \
tmp += 0x100; \
} \
d.VIS_W64(r) = tmp >> 8;
PMUL(0);
PMUL(1);
PMUL(2);
PMUL(3);
#undef PMUL
DT0 = d.d;
}
void helper_fmul8ulx16(void)
{
VIS64 s, d;
uint32_t tmp;
s.d = DT0;
d.d = DT1;
#define PMUL(r) \
tmp = (int32_t)d.VIS_SW64(r) * ((uint32_t)s.VIS_B64(r * 2)); \
if ((tmp & 0xff) > 0x7f) { \
tmp += 0x100; \
} \
d.VIS_W64(r) = tmp >> 8;
PMUL(0);
PMUL(1);
PMUL(2);
PMUL(3);
#undef PMUL
DT0 = d.d;
}
void helper_fmuld8sux16(void)
{
VIS64 s, d;
uint32_t tmp;
s.d = DT0;
d.d = DT1;
#define PMUL(r) \
tmp = (int32_t)d.VIS_SW64(r) * ((int32_t)s.VIS_SW64(r) >> 8); \
if ((tmp & 0xff) > 0x7f) { \
tmp += 0x100; \
} \
d.VIS_L64(r) = tmp;
/* Reverse calculation order to handle overlap */
PMUL(1);
PMUL(0);
#undef PMUL
DT0 = d.d;
}
void helper_fmuld8ulx16(void)
{
VIS64 s, d;
uint32_t tmp;
s.d = DT0;
d.d = DT1;
#define PMUL(r) \
tmp = (int32_t)d.VIS_SW64(r) * ((uint32_t)s.VIS_B64(r * 2)); \
if ((tmp & 0xff) > 0x7f) { \
tmp += 0x100; \
} \
d.VIS_L64(r) = tmp;
/* Reverse calculation order to handle overlap */
PMUL(1);
PMUL(0);
#undef PMUL
DT0 = d.d;
}
void helper_fexpand(void)
{
VIS32 s;
VIS64 d;
s.l = (uint32_t)(*(uint64_t *)&DT0 & 0xffffffff);
d.d = DT1;
d.VIS_W64(0) = s.VIS_B32(0) << 4;
d.VIS_W64(1) = s.VIS_B32(1) << 4;
d.VIS_W64(2) = s.VIS_B32(2) << 4;
d.VIS_W64(3) = s.VIS_B32(3) << 4;
DT0 = d.d;
}
#define VIS_HELPER(name, F) \
void name##16(void) \
{ \
VIS64 s, d; \
\
s.d = DT0; \
d.d = DT1; \
\
d.VIS_W64(0) = F(d.VIS_W64(0), s.VIS_W64(0)); \
d.VIS_W64(1) = F(d.VIS_W64(1), s.VIS_W64(1)); \
d.VIS_W64(2) = F(d.VIS_W64(2), s.VIS_W64(2)); \
d.VIS_W64(3) = F(d.VIS_W64(3), s.VIS_W64(3)); \
\
DT0 = d.d; \
} \
\
uint32_t name##16s(uint32_t src1, uint32_t src2) \
{ \
VIS32 s, d; \
\
s.l = src1; \
d.l = src2; \
\
d.VIS_W32(0) = F(d.VIS_W32(0), s.VIS_W32(0)); \
d.VIS_W32(1) = F(d.VIS_W32(1), s.VIS_W32(1)); \
\
return d.l; \
} \
\
void name##32(void) \
{ \
VIS64 s, d; \
\
s.d = DT0; \
d.d = DT1; \
\
d.VIS_L64(0) = F(d.VIS_L64(0), s.VIS_L64(0)); \
d.VIS_L64(1) = F(d.VIS_L64(1), s.VIS_L64(1)); \
\
DT0 = d.d; \
} \
\
uint32_t name##32s(uint32_t src1, uint32_t src2) \
{ \
VIS32 s, d; \
\
s.l = src1; \
d.l = src2; \
\
d.l = F(d.l, s.l); \
\
return d.l; \
}
#define FADD(a, b) ((a) + (b))
#define FSUB(a, b) ((a) - (b))
VIS_HELPER(helper_fpadd, FADD)
VIS_HELPER(helper_fpsub, FSUB)
#define VIS_CMPHELPER(name, F) \
uint64_t name##16(void) \
{ \
VIS64 s, d; \
\
s.d = DT0; \
d.d = DT1; \
\
d.VIS_W64(0) = F(s.VIS_W64(0), d.VIS_W64(0)) ? 1 : 0; \
d.VIS_W64(0) |= F(s.VIS_W64(1), d.VIS_W64(1)) ? 2 : 0; \
d.VIS_W64(0) |= F(s.VIS_W64(2), d.VIS_W64(2)) ? 4 : 0; \
d.VIS_W64(0) |= F(s.VIS_W64(3), d.VIS_W64(3)) ? 8 : 0; \
d.VIS_W64(1) = d.VIS_W64(2) = d.VIS_W64(3) = 0; \
\
return d.ll; \
} \
\
uint64_t name##32(void) \
{ \
VIS64 s, d; \
\
s.d = DT0; \
d.d = DT1; \
\
d.VIS_L64(0) = F(s.VIS_L64(0), d.VIS_L64(0)) ? 1 : 0; \
d.VIS_L64(0) |= F(s.VIS_L64(1), d.VIS_L64(1)) ? 2 : 0; \
d.VIS_L64(1) = 0; \
\
return d.ll; \
}
#define FCMPGT(a, b) ((a) > (b))
#define FCMPEQ(a, b) ((a) == (b))
#define FCMPLE(a, b) ((a) <= (b))
#define FCMPNE(a, b) ((a) != (b))
VIS_CMPHELPER(helper_fcmpgt, FCMPGT)
VIS_CMPHELPER(helper_fcmpeq, FCMPEQ)
VIS_CMPHELPER(helper_fcmple, FCMPLE)
VIS_CMPHELPER(helper_fcmpne, FCMPNE)