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converted condition code supprot to TCG - converted shift ops to TCG

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git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4470 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
bellard 2008-05-17 12:44:31 +00:00
parent c6e113f568
commit b6abf97df1
9 changed files with 762 additions and 1132 deletions
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8
target-i386/cpu.h
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@ -476,6 +476,7 @@ typedef struct CPUX86State {
/* temporaries if we cannot store them in host registers */
target_ulong t0, t1, t2;
#endif
target_ulong t3;
/* standard registers */
target_ulong regs[CPU_NB_REGS];
@ -727,6 +728,13 @@ static inline int cpu_mmu_index (CPUState *env)
return (env->hflags & HF_CPL_MASK) == 3 ? 1 : 0;
}
typedef struct CCTable {
int (*compute_all)(void); /* return all the flags */
int (*compute_c)(void); /* return the C flag */
} CCTable;
extern CCTable cc_table[];
#include "cpu-all.h"
#include "svm.h"

16
target-i386/exec.h
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@ -98,13 +98,6 @@ extern int loglevel;
#include "cpu.h"
#include "exec-all.h"
typedef struct CCTable {
int (*compute_all)(void); /* return all the flags */
int (*compute_c)(void); /* return the C flag */
} CCTable;
extern CCTable cc_table[];
void cpu_x86_update_cr0(CPUX86State *env, uint32_t new_cr0);
void cpu_x86_update_cr3(CPUX86State *env, target_ulong new_cr3);
void cpu_x86_update_cr4(CPUX86State *env, uint32_t new_cr4);
@ -129,6 +122,15 @@ void __hidden cpu_loop_exit(void);
void OPPROTO op_movl_eflags_T0(void);
void OPPROTO op_movl_T0_eflags(void);
/* n must be a constant to be efficient */
static inline target_long lshift(target_long x, int n)
{
if (n >= 0)
return x << n;
else
return x >> (-n);
}
#include "helper.h"
static inline void svm_check_intercept(uint32_t type)

19
target-i386/helper.c
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@ -5220,3 +5220,22 @@ void helper_movq(uint64_t *d, uint64_t *s)
#define SHIFT 1
#include "ops_sse.h"
#define SHIFT 0
#include "helper_template.h"
#undef SHIFT
#define SHIFT 1
#include "helper_template.h"
#undef SHIFT
#define SHIFT 2
#include "helper_template.h"
#undef SHIFT
#ifdef TARGET_X86_64
#define SHIFT 3
#include "helper_template.h"
#undef SHIFT
#endif

11
target-i386/helper.h
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@ -199,3 +199,14 @@ void TCG_HELPER_PROTO helper_movq(uint64_t *d, uint64_t *s);
#define SHIFT 1
#include "ops_sse_header.h"
target_ulong helper_rclb(target_ulong t0, target_ulong t1);
target_ulong helper_rclw(target_ulong t0, target_ulong t1);
target_ulong helper_rcll(target_ulong t0, target_ulong t1);
target_ulong helper_rcrb(target_ulong t0, target_ulong t1);
target_ulong helper_rcrw(target_ulong t0, target_ulong t1);
target_ulong helper_rcrl(target_ulong t0, target_ulong t1);
#ifdef TARGET_X86_64
target_ulong helper_rclq(target_ulong t0, target_ulong t1);
target_ulong helper_rcrq(target_ulong t0, target_ulong t1);
#endif

118
target-i386/helper_template.h Normal file
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@ -0,0 +1,118 @@
/*
* i386 helpers
*
* Copyright (c) 2008 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, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#define DATA_BITS (1 << (3 + SHIFT))
#define SHIFT_MASK (DATA_BITS - 1)
#define SIGN_MASK (((target_ulong)1) << (DATA_BITS - 1))
#if DATA_BITS <= 32
#define SHIFT1_MASK 0x1f
#else
#define SHIFT1_MASK 0x3f
#endif
#if DATA_BITS == 8
#define SUFFIX b
#define DATA_TYPE uint8_t
#define DATA_STYPE int8_t
#define DATA_MASK 0xff
#elif DATA_BITS == 16
#define SUFFIX w
#define DATA_TYPE uint16_t
#define DATA_STYPE int16_t
#define DATA_MASK 0xffff
#elif DATA_BITS == 32
#define SUFFIX l
#define DATA_TYPE uint32_t
#define DATA_STYPE int32_t
#define DATA_MASK 0xffffffff
#elif DATA_BITS == 64
#define SUFFIX q
#define DATA_TYPE uint64_t
#define DATA_STYPE int64_t
#define DATA_MASK 0xffffffffffffffffULL
#else
#error unhandled operand size
#endif
target_ulong glue(helper_rcl, SUFFIX)(target_ulong t0, target_ulong t1)
{
int count, eflags;
target_ulong src;
target_long res;
count = t1 & SHIFT1_MASK;
#if DATA_BITS == 16
count = rclw_table[count];
#elif DATA_BITS == 8
count = rclb_table[count];
#endif
if (count) {
eflags = cc_table[CC_OP].compute_all();
t0 &= DATA_MASK;
src = t0;
res = (t0 << count) | ((target_ulong)(eflags & CC_C) << (count - 1));
if (count > 1)
res |= t0 >> (DATA_BITS + 1 - count);
t0 = res;
env->t3 = (eflags & ~(CC_C | CC_O)) |
(lshift(src ^ t0, 11 - (DATA_BITS - 1)) & CC_O) |
((src >> (DATA_BITS - count)) & CC_C);
} else {
env->t3 = -1;
}
return t0;
}
target_ulong glue(helper_rcr, SUFFIX)(target_ulong t0, target_ulong t1)
{
int count, eflags;
target_ulong src;
target_long res;
count = t1 & SHIFT1_MASK;
#if DATA_BITS == 16
count = rclw_table[count];
#elif DATA_BITS == 8
count = rclb_table[count];
#endif
if (count) {
eflags = cc_table[CC_OP].compute_all();
t0 &= DATA_MASK;
src = t0;
res = (t0 >> count) | ((target_ulong)(eflags & CC_C) << (DATA_BITS - count));
if (count > 1)
res |= t0 << (DATA_BITS + 1 - count);
t0 = res;
env->t3 = (eflags & ~(CC_C | CC_O)) |
(lshift(src ^ t0, 11 - (DATA_BITS - 1)) & CC_O) |
((src >> (count - 1)) & CC_C);
} else {
env->t3 = -1;
}
return t0;
}
#undef DATA_BITS
#undef SHIFT_MASK
#undef SHIFT1_MASK
#undef SIGN_MASK
#undef DATA_TYPE
#undef DATA_STYPE
#undef DATA_MASK
#undef SUFFIX

91
target-i386/op.c
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@ -21,15 +21,6 @@
#define ASM_SOFTMMU
#include "exec.h"
/* n must be a constant to be efficient */
static inline target_long lshift(target_long x, int n)
{
if (n >= 0)
return x << n;
else
return x >> (-n);
}
/* we define the various pieces of code used by the JIT */
#define REG EAX
@ -132,66 +123,6 @@ static inline target_long lshift(target_long x, int n)
#endif
/* operations with flags */
/* update flags with T0 and T1 (add/sub case) */
void OPPROTO op_update2_cc(void)
{
CC_SRC = T1;
CC_DST = T0;
}
/* update flags with T0 (logic operation case) */
void OPPROTO op_update1_cc(void)
{
CC_DST = T0;
}
void OPPROTO op_update_neg_cc(void)
{
CC_SRC = -T0;
CC_DST = T0;
}
void OPPROTO op_cmpl_T0_T1_cc(void)
{
CC_SRC = T1;
CC_DST = T0 - T1;
}
void OPPROTO op_update_inc_cc(void)
{
CC_SRC = cc_table[CC_OP].compute_c();
CC_DST = T0;
}
void OPPROTO op_testl_T0_T1_cc(void)
{
CC_DST = T0 & T1;
}
/* operations without flags */
void OPPROTO op_negl_T0(void)
{
T0 = -T0;
}
void OPPROTO op_incl_T0(void)
{
T0++;
}
void OPPROTO op_decl_T0(void)
{
T0--;
}
void OPPROTO op_notl_T0(void)
{
T0 = ~T0;
}
/* multiply/divide */
/* XXX: add eflags optimizations */
@ -308,28 +239,6 @@ void OPPROTO op_addl_A0_AL(void)
A0 = (uint32_t)(A0 + (EAX & 0xff));
}
#ifdef WORDS_BIGENDIAN
typedef union UREG64 {
struct { uint16_t v3, v2, v1, v0; } w;
struct { uint32_t v1, v0; } l;
uint64_t q;
} UREG64;
#else
typedef union UREG64 {
struct { uint16_t v0, v1, v2, v3; } w;
struct { uint32_t v0, v1; } l;
uint64_t q;
} UREG64;
#endif
#define PARAMQ1 \
({\
UREG64 __p;\
__p.l.v1 = PARAM1;\
__p.l.v0 = PARAM2;\
__p.q;\
})
#ifdef TARGET_X86_64
void OPPROTO op_addq_A0_AL(void)

30
target-i386/ops_template.h
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@ -415,36 +415,6 @@ void OPPROTO glue(op_setle_T0_sub, SUFFIX)(void)
T0 = ((DATA_STYPE)src1 <= (DATA_STYPE)src2);
}
/* shifts */
void OPPROTO glue(glue(op_shl, SUFFIX), _T0_T1)(void)
{
int count;
count = T1 & SHIFT1_MASK;
T0 = T0 << count;
FORCE_RET();
}
void OPPROTO glue(glue(op_shr, SUFFIX), _T0_T1)(void)
{
int count;
count = T1 & SHIFT1_MASK;
T0 &= DATA_MASK;
T0 = T0 >> count;
FORCE_RET();
}
void OPPROTO glue(glue(op_sar, SUFFIX), _T0_T1)(void)
{
int count;
target_long src;
count = T1 & SHIFT1_MASK;
src = (DATA_STYPE)T0;
T0 = src >> count;
FORCE_RET();
}
#undef MEM_WRITE
#include "ops_template_mem.h"

364
target-i386/ops_template_mem.h
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@ -68,370 +68,6 @@
#endif
void OPPROTO glue(glue(op_rol, MEM_SUFFIX), _T0_T1_cc)(void)
{
int count;
target_long src;
if (T1 & SHIFT1_MASK) {
count = T1 & SHIFT_MASK;
src = T0;
T0 &= DATA_MASK;
T0 = (T0 << count) | (T0 >> (DATA_BITS - count));
#ifdef MEM_WRITE
glue(st, MEM_SUFFIX)(A0, T0);
#else
/* gcc 3.2 workaround. This is really a bug in gcc. */
asm volatile("" : : "r" (T0));
#endif
CC_SRC = (cc_table[CC_OP].compute_all() & ~(CC_O | CC_C)) |
(lshift(src ^ T0, 11 - (DATA_BITS - 1)) & CC_O) |
(T0 & CC_C);
CC_OP = CC_OP_EFLAGS;
}
FORCE_RET();
}
void OPPROTO glue(glue(op_ror, MEM_SUFFIX), _T0_T1_cc)(void)
{
int count;
target_long src;
if (T1 & SHIFT1_MASK) {
count = T1 & SHIFT_MASK;
src = T0;
T0 &= DATA_MASK;
T0 = (T0 >> count) | (T0 << (DATA_BITS - count));
#ifdef MEM_WRITE
glue(st, MEM_SUFFIX)(A0, T0);
#else
/* gcc 3.2 workaround. This is really a bug in gcc. */
asm volatile("" : : "r" (T0));
#endif
CC_SRC = (cc_table[CC_OP].compute_all() & ~(CC_O | CC_C)) |
(lshift(src ^ T0, 11 - (DATA_BITS - 1)) & CC_O) |
((T0 >> (DATA_BITS - 1)) & CC_C);
CC_OP = CC_OP_EFLAGS;
}
FORCE_RET();
}
void OPPROTO glue(glue(op_rol, MEM_SUFFIX), _T0_T1)(void)
{
int count;
count = T1 & SHIFT_MASK;
if (count) {
T0 &= DATA_MASK;
T0 = (T0 << count) | (T0 >> (DATA_BITS - count));
#ifdef MEM_WRITE
glue(st, MEM_SUFFIX)(A0, T0);
#endif
}
FORCE_RET();
}
void OPPROTO glue(glue(op_ror, MEM_SUFFIX), _T0_T1)(void)
{
int count;
count = T1 & SHIFT_MASK;
if (count) {
T0 &= DATA_MASK;
T0 = (T0 >> count) | (T0 << (DATA_BITS - count));
#ifdef MEM_WRITE
glue(st, MEM_SUFFIX)(A0, T0);
#endif
}
FORCE_RET();
}
void OPPROTO glue(glue(op_rcl, MEM_SUFFIX), _T0_T1_cc)(void)
{
int count, eflags;
target_ulong src;
target_long res;
count = T1 & SHIFT1_MASK;
#if DATA_BITS == 16
count = rclw_table[count];
#elif DATA_BITS == 8
count = rclb_table[count];
#endif
if (count) {
eflags = cc_table[CC_OP].compute_all();
T0 &= DATA_MASK;
src = T0;
res = (T0 << count) | ((target_ulong)(eflags & CC_C) << (count - 1));
if (count > 1)
res |= T0 >> (DATA_BITS + 1 - count);
T0 = res;
#ifdef MEM_WRITE
glue(st, MEM_SUFFIX)(A0, T0);
#endif
CC_SRC = (eflags & ~(CC_C | CC_O)) |
(lshift(src ^ T0, 11 - (DATA_BITS - 1)) & CC_O) |
((src >> (DATA_BITS - count)) & CC_C);
CC_OP = CC_OP_EFLAGS;
}
FORCE_RET();
}
void OPPROTO glue(glue(op_rcr, MEM_SUFFIX), _T0_T1_cc)(void)
{
int count, eflags;
target_ulong src;
target_long res;
count = T1 & SHIFT1_MASK;
#if DATA_BITS == 16
count = rclw_table[count];
#elif DATA_BITS == 8
count = rclb_table[count];
#endif
if (count) {
eflags = cc_table[CC_OP].compute_all();
T0 &= DATA_MASK;
src = T0;
res = (T0 >> count) | ((target_ulong)(eflags & CC_C) << (DATA_BITS - count));
if (count > 1)
res |= T0 << (DATA_BITS + 1 - count);
T0 = res;
#ifdef MEM_WRITE
glue(st, MEM_SUFFIX)(A0, T0);
#endif
CC_SRC = (eflags & ~(CC_C | CC_O)) |
(lshift(src ^ T0, 11 - (DATA_BITS - 1)) & CC_O) |
((src >> (count - 1)) & CC_C);
CC_OP = CC_OP_EFLAGS;
}
FORCE_RET();
}
void OPPROTO glue(glue(op_shl, MEM_SUFFIX), _T0_T1_cc)(void)
{
int count;
target_long src;
count = T1 & SHIFT1_MASK;
if (count) {
src = (DATA_TYPE)T0 << (count - 1);
T0 = T0 << count;
#ifdef MEM_WRITE
glue(st, MEM_SUFFIX)(A0, T0);
#endif
CC_SRC = src;
CC_DST = T0;
CC_OP = CC_OP_SHLB + SHIFT;
}
FORCE_RET();
}
void OPPROTO glue(glue(op_shr, MEM_SUFFIX), _T0_T1_cc)(void)
{
int count;
target_long src;
count = T1 & SHIFT1_MASK;
if (count) {
T0 &= DATA_MASK;
src = T0 >> (count - 1);
T0 = T0 >> count;
#ifdef MEM_WRITE
glue(st, MEM_SUFFIX)(A0, T0);
#endif
CC_SRC = src;
CC_DST = T0;
CC_OP = CC_OP_SARB + SHIFT;
}
FORCE_RET();
}
void OPPROTO glue(glue(op_sar, MEM_SUFFIX), _T0_T1_cc)(void)
{
int count;
target_long src;
count = T1 & SHIFT1_MASK;
if (count) {
src = (DATA_STYPE)T0;
T0 = src >> count;
src = src >> (count - 1);
#ifdef MEM_WRITE
glue(st, MEM_SUFFIX)(A0, T0);
#endif
CC_SRC = src;
CC_DST = T0;
CC_OP = CC_OP_SARB + SHIFT;
}
FORCE_RET();
}
#if DATA_BITS == 16
/* XXX: overflow flag might be incorrect in some cases in shldw */
void OPPROTO glue(glue(op_shld, MEM_SUFFIX), _T0_T1_im_cc)(void)
{
int count;
unsigned int res, tmp;
count = PARAM1;
T1 &= 0xffff;
res = T1 | (T0 << 16);
tmp = res >> (32 - count);
res <<= count;
if (count > 16)
res |= T1 << (count - 16);
T0 = res >> 16;
#ifdef MEM_WRITE
glue(st, MEM_SUFFIX)(A0, T0);
#endif
CC_SRC = tmp;
CC_DST = T0;
}
void OPPROTO glue(glue(op_shld, MEM_SUFFIX), _T0_T1_ECX_cc)(void)
{
int count;
unsigned int res, tmp;
count = ECX & 0x1f;
if (count) {
T1 &= 0xffff;
res = T1 | (T0 << 16);
tmp = res >> (32 - count);
res <<= count;
if (count > 16)
res |= T1 << (count - 16);
T0 = res >> 16;
#ifdef MEM_WRITE
glue(st, MEM_SUFFIX)(A0, T0);
#endif
CC_SRC = tmp;
CC_DST = T0;
CC_OP = CC_OP_SARB + SHIFT;
}
FORCE_RET();
}
void OPPROTO glue(glue(op_shrd, MEM_SUFFIX), _T0_T1_im_cc)(void)
{
int count;
unsigned int res, tmp;
count = PARAM1;
res = (T0 & 0xffff) | (T1 << 16);
tmp = res >> (count - 1);
res >>= count;
if (count > 16)
res |= T1 << (32 - count);
T0 = res;
#ifdef MEM_WRITE
glue(st, MEM_SUFFIX)(A0, T0);
#endif
CC_SRC = tmp;
CC_DST = T0;
}
void OPPROTO glue(glue(op_shrd, MEM_SUFFIX), _T0_T1_ECX_cc)(void)
{
int count;
unsigned int res, tmp;
count = ECX & 0x1f;
if (count) {
res = (T0 & 0xffff) | (T1 << 16);
tmp = res >> (count - 1);
res >>= count;
if (count > 16)
res |= T1 << (32 - count);
T0 = res;
#ifdef MEM_WRITE
glue(st, MEM_SUFFIX)(A0, T0);
#endif
CC_SRC = tmp;
CC_DST = T0;
CC_OP = CC_OP_SARB + SHIFT;
}
FORCE_RET();
}
#endif
#if DATA_BITS >= 32
void OPPROTO glue(glue(op_shld, MEM_SUFFIX), _T0_T1_im_cc)(void)
{
int count;
target_long tmp;
count = PARAM1;
T0 &= DATA_MASK;
T1 &= DATA_MASK;
tmp = T0 << (count - 1);
T0 = (T0 << count) | (T1 >> (DATA_BITS - count));
#ifdef MEM_WRITE
glue(st, MEM_SUFFIX)(A0, T0);
#endif
CC_SRC = tmp;
CC_DST = T0;
}
void OPPROTO glue(glue(op_shld, MEM_SUFFIX), _T0_T1_ECX_cc)(void)
{
int count;
target_long tmp;
count = ECX & SHIFT1_MASK;
if (count) {
T0 &= DATA_MASK;
T1 &= DATA_MASK;
tmp = T0 << (count - 1);
T0 = (T0 << count) | (T1 >> (DATA_BITS - count));
#ifdef MEM_WRITE
glue(st, MEM_SUFFIX)(A0, T0);
#endif
CC_SRC = tmp;
CC_DST = T0;
CC_OP = CC_OP_SHLB + SHIFT;
}
FORCE_RET();
}
void OPPROTO glue(glue(op_shrd, MEM_SUFFIX), _T0_T1_im_cc)(void)
{
int count;
target_long tmp;
count = PARAM1;
T0 &= DATA_MASK;
T1 &= DATA_MASK;
tmp = T0 >> (count - 1);
T0 = (T0 >> count) | (T1 << (DATA_BITS - count));
#ifdef MEM_WRITE
glue(st, MEM_SUFFIX)(A0, T0);
#endif
CC_SRC = tmp;
CC_DST = T0;
}
void OPPROTO glue(glue(op_shrd, MEM_SUFFIX), _T0_T1_ECX_cc)(void)
{
int count;
target_long tmp;
count = ECX & SHIFT1_MASK;
if (count) {
T0 &= DATA_MASK;
T1 &= DATA_MASK;
tmp = T0 >> (count - 1);
T0 = (T0 >> count) | (T1 << (DATA_BITS - count));
#ifdef MEM_WRITE
glue(st, MEM_SUFFIX)(A0, T0);
#endif
CC_SRC = tmp;
CC_DST = T0;
CC_OP = CC_OP_SARB + SHIFT;
}
FORCE_RET();
}
#endif
/* carry add/sub (we only need to set CC_OP differently) */
void OPPROTO glue(glue(op_adc, MEM_SUFFIX), _T0_T1_cc)(void)

1237
target-i386/translate.c
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