#define CC_SRC (env->cc_src)
#define CC_DST (env->cc_dst)
-#define CC_OP (env->cc_op)
+#define CC_OP (env->cc_op)
+
+/* float macros */
+#define FT0 (env->ft0)
+#define ST0 (env->fpregs[env->fpstt])
+#define ST(n) (env->fpregs[(env->fpstt + (n)) & 7])
+#define ST1 ST(1)
extern int __op_param1, __op_param2, __op_param3;
#define PARAM1 ((long)(&__op_param1))
6, 7, 8, 0, 1, 2, 3, 4,
};
+#ifdef USE_X86LDOUBLE
+/* an array of Intel 80-bit FP constants, to be loaded via integer ops */
+typedef unsigned short f15ld[5];
+const f15ld f15rk[] =
+{
+/*0*/ {0x0000,0x0000,0x0000,0x0000,0x0000},
+/*1*/ {0x0000,0x0000,0x0000,0x8000,0x3fff},
+/*pi*/ {0xc235,0x2168,0xdaa2,0xc90f,0x4000},
+/*lg2*/ {0xf799,0xfbcf,0x9a84,0x9a20,0x3ffd},
+/*ln2*/ {0x79ac,0xd1cf,0x17f7,0xb172,0x3ffe},
+/*l2e*/ {0xf0bc,0x5c17,0x3b29,0xb8aa,0x3fff},
+/*l2t*/ {0x8afe,0xcd1b,0x784b,0xd49a,0x4000}
+};
+#else
+/* the same, 64-bit version */
+typedef unsigned short f15ld[4];
+const f15ld f15rk[] =
+{
+#ifndef WORDS_BIGENDIAN
+/*0*/ {0x0000,0x0000,0x0000,0x0000},
+/*1*/ {0x0000,0x0000,0x0000,0x3ff0},
+/*pi*/ {0x2d18,0x5444,0x21fb,0x4009},
+/*lg2*/ {0x79ff,0x509f,0x4413,0x3fd3},
+/*ln2*/ {0x39ef,0xfefa,0x2e42,0x3fe6},
+/*l2e*/ {0x82fe,0x652b,0x1547,0x3ff7},
+/*l2t*/ {0xa371,0x0979,0x934f,0x400a}
+#else
+/*0*/ {0x0000,0x0000,0x0000,0x0000},
+/*1*/ {0x3ff0,0x0000,0x0000,0x0000},
+/*pi*/ {0x4009,0x21fb,0x5444,0x2d18},
+/*lg2*/ {0x3fd3,0x4413,0x509f,0x79ff},
+/*ln2*/ {0x3fe6,0x2e42,0xfefa,0x39ef},
+/*l2e*/ {0x3ff7,0x1547,0x652b,0x82fe},
+/*l2t*/ {0x400a,0x934f,0x0979,0xa371}
+#endif
+};
+#endif
+
/* n must be a constant to be efficient */
static inline int lshift(int x, int n)
{
[CC_OP_SHLW] = { compute_all_shlw, compute_c_shlw },
[CC_OP_SHLL] = { compute_all_shll, compute_c_shll },
};
+
+/* floating point support */
+
+#ifdef USE_X86LDOUBLE
+/* use long double functions */
+#define lrint lrintl
+#define llrint llrintl
+#define fabs fabsl
+#define sin sinl
+#define cos cosl
+#define sqrt sqrtl
+#define pow powl
+#define log logl
+#define tan tanl
+#define atan2 atan2l
+#define floor floorl
+#define ceil ceill
+#define rint rintl
+#endif
+
+extern int lrint(CPU86_LDouble x);
+extern int64_t llrint(CPU86_LDouble x);
+extern CPU86_LDouble fabs(CPU86_LDouble x);
+extern CPU86_LDouble sin(CPU86_LDouble x);
+extern CPU86_LDouble cos(CPU86_LDouble x);
+extern CPU86_LDouble sqrt(CPU86_LDouble x);
+extern CPU86_LDouble pow(CPU86_LDouble, CPU86_LDouble);
+extern CPU86_LDouble log(CPU86_LDouble x);
+extern CPU86_LDouble tan(CPU86_LDouble x);
+extern CPU86_LDouble atan2(CPU86_LDouble, CPU86_LDouble);
+extern CPU86_LDouble floor(CPU86_LDouble x);
+extern CPU86_LDouble ceil(CPU86_LDouble x);
+extern CPU86_LDouble rint(CPU86_LDouble x);
+
+#define RC_MASK 0xc00
+#define RC_NEAR 0x000
+#define RC_DOWN 0x400
+#define RC_UP 0x800
+#define RC_CHOP 0xc00
+
+#define MAXTAN 9223372036854775808.0
+
+#ifdef USE_X86LDOUBLE
+
+/* only for x86 */
+typedef union {
+ long double d;
+ struct {
+ unsigned long long lower;
+ unsigned short upper;
+ } l;
+} CPU86_LDoubleU;
+
+/* the following deal with x86 long double-precision numbers */
+#define MAXEXPD 0x7fff
+#define EXPBIAS 16383
+#define EXPD(fp) (fp.l.upper & 0x7fff)
+#define SIGND(fp) ((fp.l.upper) & 0x8000)
+#define MANTD(fp) (fp.l.lower)
+#define BIASEXPONENT(fp) fp.l.upper = (fp.l.upper & ~(0x7fff)) | EXPBIAS
+
+#else
+
+typedef {
+ double d;
+#ifndef WORDS_BIGENDIAN
+ struct {
+ unsigned long lower;
+ long upper;
+ } l;
+#else
+ struct {
+ long upper;
+ unsigned long lower;
+ } l;
+#endif
+ long long ll;
+} CPU86_LDoubleU;
+
+/* the following deal with IEEE double-precision numbers */
+#define MAXEXPD 0x7ff
+#define EXPBIAS 1023
+#define EXPD(fp) (((fp.l.upper) >> 20) & 0x7FF)
+#define SIGND(fp) ((fp.l.upper) & 0x80000000)
+#define MANTD(fp) (fp.ll & ((1LL << 52) - 1))
+#define BIASEXPONENT(fp) fp.l.upper = (fp.l.upper & ~(0x7ff << 20)) | (EXPBIAS << 20)
+#endif
+
+/* fp load FT0 */
+
+void OPPROTO op_flds_FT0_A0(void)
+{
+ FT0 = ldfl((void *)A0);
+}
+
+void OPPROTO op_fldl_FT0_A0(void)
+{
+ FT0 = ldfq((void *)A0);
+}
+
+void OPPROTO op_fild_FT0_A0(void)
+{
+ FT0 = (CPU86_LDouble)ldsw((void *)A0);
+}
+
+void OPPROTO op_fildl_FT0_A0(void)
+{
+ FT0 = (CPU86_LDouble)((int32_t)ldl((void *)A0));
+}
+
+void OPPROTO op_fildll_FT0_A0(void)
+{
+ FT0 = (CPU86_LDouble)((int64_t)ldq((void *)A0));
+}
+
+/* fp load ST0 */
+
+void OPPROTO op_flds_ST0_A0(void)
+{
+ ST0 = ldfl((void *)A0);
+}
+
+void OPPROTO op_fldl_ST0_A0(void)
+{
+ ST0 = ldfq((void *)A0);
+}
+
+void OPPROTO op_fild_ST0_A0(void)
+{
+ ST0 = (CPU86_LDouble)ldsw((void *)A0);
+}
+
+void OPPROTO op_fildl_ST0_A0(void)
+{
+ ST0 = (CPU86_LDouble)((int32_t)ldl((void *)A0));
+}
+
+void OPPROTO op_fildll_ST0_A0(void)
+{
+ ST0 = (CPU86_LDouble)((int64_t)ldq((void *)A0));
+}
+
+/* fp store */
+
+void OPPROTO op_fsts_ST0_A0(void)
+{
+ stfl((void *)A0, (float)ST0);
+}
+
+void OPPROTO op_fstl_ST0_A0(void)
+{
+ ST0 = ldfq((void *)A0);
+}
+
+void OPPROTO op_fist_ST0_A0(void)
+{
+ int val;
+ val = lrint(ST0);
+ stw((void *)A0, val);
+}
+
+void OPPROTO op_fistl_ST0_A0(void)
+{
+ int val;
+ val = lrint(ST0);
+ stl((void *)A0, val);
+}
+
+void OPPROTO op_fistll_ST0_A0(void)
+{
+ int64_t val;
+ val = llrint(ST0);
+ stq((void *)A0, val);
+}
+
+/* FPU move */
+
+static inline void fpush(void)
+{
+ env->fpstt = (env->fpstt - 1) & 7;
+ env->fptags[env->fpstt] = 0; /* validate stack entry */
+}
+
+static inline void fpop(void)
+{
+ env->fptags[env->fpstt] = 1; /* invvalidate stack entry */
+ env->fpstt = (env->fpstt + 1) & 7;
+}
+
+void OPPROTO op_fpush(void)
+{
+ fpush();
+}
+
+void OPPROTO op_fpop(void)
+{
+ fpop();
+}
+
+void OPPROTO op_fdecstp(void)
+{
+ env->fpstt = (env->fpstt - 1) & 7;
+ env->fpus &= (~0x4700);
+}
+
+void OPPROTO op_fincstp(void)
+{
+ env->fpstt = (env->fpstt + 1) & 7;
+ env->fpus &= (~0x4700);
+}
+
+void OPPROTO op_fmov_ST0_FT0(void)
+{
+ ST0 = FT0;
+}
+
+void OPPROTO op_fmov_FT0_STN(void)
+{
+ FT0 = ST(PARAM1);
+}
+
+void OPPROTO op_fmov_ST0_STN(void)
+{
+ ST0 = ST(PARAM1);
+}
+
+void OPPROTO op_fmov_STN_ST0(void)
+{
+ ST(PARAM1) = ST0;
+}
+
+void OPPROTO op_fxchg_ST0_STN(void)
+{
+ CPU86_LDouble tmp;
+ tmp = ST(PARAM1);
+ ST(PARAM1) = ST0;
+ ST0 = tmp;
+}
+
+/* FPU operations */
+
+/* XXX: handle nans */
+void OPPROTO op_fcom_ST0_FT0(void)
+{
+ env->fpus &= (~0x4500); /* (C3,C2,C0) <-- 000 */
+ if (ST0 < FT0)
+ env->fpus |= 0x100; /* (C3,C2,C0) <-- 001 */
+ else if (ST0 == FT0)
+ env->fpus |= 0x4000; /* (C3,C2,C0) <-- 100 */
+ FORCE_RET();
+}
+
+void OPPROTO op_fadd_ST0_FT0(void)
+{
+ ST0 += FT0;
+}
+
+void OPPROTO op_fmul_ST0_FT0(void)
+{
+ ST0 *= FT0;
+}
+
+void OPPROTO op_fsub_ST0_FT0(void)
+{
+ ST0 -= FT0;
+}
+
+void OPPROTO op_fsubr_ST0_FT0(void)
+{
+ ST0 = FT0 - ST0;
+}
+
+void OPPROTO op_fdiv_ST0_FT0(void)
+{
+ ST0 /= FT0;
+}
+
+void OPPROTO op_fdivr_ST0_FT0(void)
+{
+ ST0 = FT0 / ST0;
+}
+
+/* fp operations between STN and ST0 */
+
+void OPPROTO op_fadd_STN_ST0(void)
+{
+ ST(PARAM1) += ST0;
+}
+
+void OPPROTO op_fmul_STN_ST0(void)
+{
+ ST(PARAM1) *= ST0;
+}
+
+void OPPROTO op_fsub_STN_ST0(void)
+{
+ ST(PARAM1) -= ST0;
+}
+
+void OPPROTO op_fsubr_STN_ST0(void)
+{
+ CPU86_LDouble *p;
+ p = &ST(PARAM1);
+ *p = ST0 - *p;
+}
+
+void OPPROTO op_fdiv_STN_ST0(void)
+{
+ ST(PARAM1) /= ST0;
+}
+
+void OPPROTO op_fdivr_STN_ST0(void)
+{
+ CPU86_LDouble *p;
+ p = &ST(PARAM1);
+ *p = ST0 / *p;
+}
+
+/* misc FPU operations */
+void OPPROTO op_fchs_ST0(void)
+{
+ ST0 = -ST0;
+}
+
+void OPPROTO op_fabs_ST0(void)
+{
+ ST0 = fabs(ST0);
+}
+
+void OPPROTO op_fxam_ST0(void)
+{
+ CPU86_LDoubleU temp;
+ int expdif;
+
+ temp.d = ST0;
+
+ env->fpus &= (~0x4700); /* (C3,C2,C1,C0) <-- 0000 */
+ if (SIGND(temp))
+ env->fpus |= 0x200; /* C1 <-- 1 */
+
+ expdif = EXPD(temp);
+ if (expdif == MAXEXPD) {
+ if (MANTD(temp) == 0)
+ env->fpus |= 0x500 /*Infinity*/;
+ else
+ env->fpus |= 0x100 /*NaN*/;
+ } else if (expdif == 0) {
+ if (MANTD(temp) == 0)
+ env->fpus |= 0x4000 /*Zero*/;
+ else
+ env->fpus |= 0x4400 /*Denormal*/;
+ } else {
+ env->fpus |= 0x400;
+ }
+ FORCE_RET();
+}
+
+void OPPROTO op_fld1_ST0(void)
+{
+ ST0 = *(CPU86_LDouble *)&f15rk[1];
+}
+
+void OPPROTO op_fld2t_ST0(void)
+{
+ ST0 = *(CPU86_LDouble *)&f15rk[6];
+}
+
+void OPPROTO op_fld2e_ST0(void)
+{
+ ST0 = *(CPU86_LDouble *)&f15rk[5];
+}
+
+void OPPROTO op_fldpi_ST0(void)
+{
+ ST0 = *(CPU86_LDouble *)&f15rk[2];
+}
+
+void OPPROTO op_fldlg2_ST0(void)
+{
+ ST0 = *(CPU86_LDouble *)&f15rk[3];
+}
+
+void OPPROTO op_fldln2_ST0(void)
+{
+ ST0 = *(CPU86_LDouble *)&f15rk[4];
+}
+
+void OPPROTO op_fldz_ST0(void)
+{
+ ST0 = *(CPU86_LDouble *)&f15rk[0];
+}
+
+void OPPROTO op_fldz_FT0(void)
+{
+ ST0 = *(CPU86_LDouble *)&f15rk[0];
+}
+
+void helper_f2xm1(void)
+{
+ ST0 = pow(2.0,ST0) - 1.0;
+}
+
+void helper_fyl2x(void)
+{
+ CPU86_LDouble fptemp;
+
+ fptemp = ST0;
+ if (fptemp>0.0){
+ fptemp = log(fptemp)/log(2.0); /* log2(ST) */
+ ST1 *= fptemp;
+ fpop();
+ } else {
+ env->fpus &= (~0x4700);
+ env->fpus |= 0x400;
+ }
+}
+
+void helper_fptan(void)
+{
+ CPU86_LDouble fptemp;
+
+ fptemp = ST0;
+ if((fptemp > MAXTAN)||(fptemp < -MAXTAN)) {
+ env->fpus |= 0x400;
+ } else {
+ ST0 = tan(fptemp);
+ fpush();
+ ST0 = 1.0;
+ env->fpus &= (~0x400); /* C2 <-- 0 */
+ /* the above code is for |arg| < 2**52 only */
+ }
+}
+
+void helper_fpatan(void)
+{
+ CPU86_LDouble fptemp, fpsrcop;
+
+ fpsrcop = ST1;
+ fptemp = ST0;
+ ST1 = atan2(fpsrcop,fptemp);
+ fpop();
+}
+
+void helper_fxtract(void)
+{
+ CPU86_LDoubleU temp;
+ unsigned int expdif;
+
+ temp.d = ST0;
+ expdif = EXPD(temp) - EXPBIAS;
+ /*DP exponent bias*/
+ ST0 = expdif;
+ fpush();
+ BIASEXPONENT(temp);
+ ST0 = temp.d;
+}
+
+void helper_fprem1(void)
+{
+ CPU86_LDouble dblq, fpsrcop, fptemp;
+ CPU86_LDoubleU fpsrcop1, fptemp1;
+ int expdif;
+ int q;
+
+ fpsrcop = ST0;
+ fptemp = ST1;
+ fpsrcop1.d = fpsrcop;
+ fptemp1.d = fptemp;
+ expdif = EXPD(fpsrcop1) - EXPD(fptemp1);
+ if (expdif < 53) {
+ dblq = fpsrcop / fptemp;
+ dblq = (dblq < 0.0)? ceil(dblq): floor(dblq);
+ ST0 = fpsrcop - fptemp*dblq;
+ q = (int)dblq; /* cutting off top bits is assumed here */
+ env->fpus &= (~0x4700); /* (C3,C2,C1,C0) <-- 0000 */
+ /* (C0,C1,C3) <-- (q2,q1,q0) */
+ env->fpus |= (q&0x4) << 6; /* (C0) <-- q2 */
+ env->fpus |= (q&0x2) << 8; /* (C1) <-- q1 */
+ env->fpus |= (q&0x1) << 14; /* (C3) <-- q0 */
+ } else {
+ env->fpus |= 0x400; /* C2 <-- 1 */
+ fptemp = pow(2.0, expdif-50);
+ fpsrcop = (ST0 / ST1) / fptemp;
+ /* fpsrcop = integer obtained by rounding to the nearest */
+ fpsrcop = (fpsrcop-floor(fpsrcop) < ceil(fpsrcop)-fpsrcop)?
+ floor(fpsrcop): ceil(fpsrcop);
+ ST0 -= (ST1 * fpsrcop * fptemp);
+ }
+}
+
+void helper_fprem(void)
+{
+ CPU86_LDouble dblq, fpsrcop, fptemp;
+ CPU86_LDoubleU fpsrcop1, fptemp1;
+ int expdif;
+ int q;
+
+ fpsrcop = ST0;
+ fptemp = ST1;
+ fpsrcop1.d = fpsrcop;
+ fptemp1.d = fptemp;
+ expdif = EXPD(fpsrcop1) - EXPD(fptemp1);
+ if ( expdif < 53 ) {
+ dblq = fpsrcop / fptemp;
+ dblq = (dblq < 0.0)? ceil(dblq): floor(dblq);
+ ST0 = fpsrcop - fptemp*dblq;
+ q = (int)dblq; /* cutting off top bits is assumed here */
+ env->fpus &= (~0x4700); /* (C3,C2,C1,C0) <-- 0000 */
+ /* (C0,C1,C3) <-- (q2,q1,q0) */
+ env->fpus |= (q&0x4) << 6; /* (C0) <-- q2 */
+ env->fpus |= (q&0x2) << 8; /* (C1) <-- q1 */
+ env->fpus |= (q&0x1) << 14; /* (C3) <-- q0 */
+ } else {
+ env->fpus |= 0x400; /* C2 <-- 1 */
+ fptemp = pow(2.0, expdif-50);
+ fpsrcop = (ST0 / ST1) / fptemp;
+ /* fpsrcop = integer obtained by chopping */
+ fpsrcop = (fpsrcop < 0.0)?
+ -(floor(fabs(fpsrcop))): floor(fpsrcop);
+ ST0 -= (ST1 * fpsrcop * fptemp);
+ }
+}
+
+void helper_fyl2xp1(void)
+{
+ CPU86_LDouble fptemp;
+
+ fptemp = ST0;
+ if ((fptemp+1.0)>0.0) {
+ fptemp = log(fptemp+1.0) / log(2.0); /* log2(ST+1.0) */
+ ST1 *= fptemp;
+ fpop();
+ } else {
+ env->fpus &= (~0x4700);
+ env->fpus |= 0x400;
+ }
+}
+
+void helper_fsqrt(void)
+{
+ CPU86_LDouble fptemp;
+
+ fptemp = ST0;
+ if (fptemp<0.0) {
+ env->fpus &= (~0x4700); /* (C3,C2,C1,C0) <-- 0000 */
+ env->fpus |= 0x400;
+ }
+ ST0 = sqrt(fptemp);
+}
+
+void helper_fsincos(void)
+{
+ CPU86_LDouble fptemp;
+
+ fptemp = ST0;
+ if ((fptemp > MAXTAN)||(fptemp < -MAXTAN)) {
+ env->fpus |= 0x400;
+ } else {
+ ST0 = sin(fptemp);
+ fpush();
+ ST0 = cos(fptemp);
+ env->fpus &= (~0x400); /* C2 <-- 0 */
+ /* the above code is for |arg| < 2**63 only */
+ }
+}
+
+void helper_frndint(void)
+{
+ ST0 = rint(ST0);
+}
+
+void helper_fscale(void)
+{
+ CPU86_LDouble fpsrcop, fptemp;
+
+ fpsrcop = 2.0;
+ fptemp = pow(fpsrcop,ST1);
+ ST0 *= fptemp;
+}
+
+void helper_fsin(void)
+{
+ CPU86_LDouble fptemp;
+
+ fptemp = ST0;
+ if ((fptemp > MAXTAN)||(fptemp < -MAXTAN)) {
+ env->fpus |= 0x400;
+ } else {
+ ST0 = sin(fptemp);
+ env->fpus &= (~0x400); /* C2 <-- 0 */
+ /* the above code is for |arg| < 2**53 only */
+ }
+}
+
+void helper_fcos(void)
+{
+ CPU86_LDouble fptemp;
+
+ fptemp = ST0;
+ if((fptemp > MAXTAN)||(fptemp < -MAXTAN)) {
+ env->fpus |= 0x400;
+ } else {
+ ST0 = cos(fptemp);
+ env->fpus &= (~0x400); /* C2 <-- 0 */
+ /* the above code is for |arg5 < 2**63 only */
+ }
+}
+
+/* associated heplers to reduce generated code length and to simplify
+ relocation (FP constants are usually stored in .rodata section) */
+
+void OPPROTO op_f2xm1(void)
+{
+ helper_f2xm1();
+}
+
+void OPPROTO op_fyl2x(void)
+{
+ helper_fyl2x();
+}
+
+void OPPROTO op_fptan(void)
+{
+ helper_fptan();
+}
+
+void OPPROTO op_fpatan(void)
+{
+ helper_fpatan();
+}
+
+void OPPROTO op_fxtract(void)
+{
+ helper_fxtract();
+}
+
+void OPPROTO op_fprem1(void)
+{
+ helper_fprem1();
+}
+
+
+void OPPROTO op_fprem(void)
+{
+ helper_fprem();
+}
+
+void OPPROTO op_fyl2xp1(void)
+{
+ helper_fyl2xp1();
+}
+
+void OPPROTO op_fsqrt(void)
+{
+ helper_fsqrt();
+}
+
+void OPPROTO op_fsincos(void)
+{
+ helper_fsincos();
+}
+
+void OPPROTO op_frndint(void)
+{
+ helper_frndint();
+}
+
+void OPPROTO op_fscale(void)
+{
+ helper_fscale();
+}
+
+void OPPROTO op_fsin(void)
+{
+ helper_fsin();
+}
+
+void OPPROTO op_fcos(void)
+{
+ helper_fcos();
+}
+
#include <inttypes.h>
#include <assert.h>
+#define IN_OP_I386
#include "cpu-i386.h"
static uint8_t *gen_code_ptr;
int prefix;
int aflag, dflag;
uint8_t *pc; /* current pc */
- uint8_t *runtime_pc; /* current pc in the runtime generated code */
int cc_op; /* current CC operation */
int f_st;
} DisasContext;
OP_SAR = 7,
};
-
-static const int fp_ops[8] = {
-#if 0
- OP_FADDQ, OP_FMULQ, OP_CMP, OP_CMP,
- OP_FSUBQ, OP_FSUBQ, OP_FDIVQ, OP_FDIVQ
-#endif
-};
-
-extern char cc_table, rclw_table, rclb_table;
-extern char helper_rcll_T0_T1_cc;
-extern char __udivdi3, __umoddi3;
-
#include "op-i386.h"
/* operand size */
},
};
+static GenOpFunc *gen_op_fp_arith_ST0_FT0[8] = {
+ gen_op_fadd_ST0_FT0,
+ gen_op_fmul_ST0_FT0,
+ gen_op_fcom_ST0_FT0,
+ gen_op_fcom_ST0_FT0,
+ gen_op_fsub_ST0_FT0,
+ gen_op_fsubr_ST0_FT0,
+ gen_op_fdiv_ST0_FT0,
+ gen_op_fdivr_ST0_FT0,
+};
+
+static GenOpFunc1 *gen_op_fp_arith_STN_ST0[8] = {
+ gen_op_fadd_STN_ST0,
+ gen_op_fmul_STN_ST0,
+ NULL,
+ NULL,
+ gen_op_fsub_STN_ST0,
+ gen_op_fsubr_STN_ST0,
+ gen_op_fdiv_STN_ST0,
+ gen_op_fdivr_STN_ST0,
+};
+
static void gen_op(DisasContext *s1, int op, int ot, int d, int s)
{
if (d != OR_TMP0)
/**************************/
/* push/pop */
case 0x50 ... 0x57: /* push */
- gen_op_mov_TN_reg[OT_LONG][0][(b & 7)]();
+ gen_op_mov_TN_reg[OT_LONG][0][b & 7]();
gen_op_pushl_T0();
break;
case 0x58 ... 0x5f: /* pop */
gen_op_popl_T0();
- gen_op_mov_reg_T0[OT_LONG][reg]();
+ gen_op_mov_reg_T0[OT_LONG][b & 7]();
break;
case 0x68: /* push Iv */
case 0x6a:
/************************/
/* floats */
-#if 0
case 0xd8 ... 0xdf:
modrm = ldub(s->pc++);
mod = (modrm >> 6) & 3;
case 0x20 ... 0x27: /* fxxxl */
case 0x30 ... 0x37: /* fixxx */
{
- int op1, swap;
- op1 = fp_ops[op & 7];
-
- swap = 0;
- if ((op & 7) == 5 || (op & 7) == 7)
- swap = 1;
+ int op1;
+ op1 = op & 7;
switch(op >> 4) {
case 0:
- ot = OT_LONG;
- is_int = 0;
+ gen_op_flds_FT0_A0();
break;
case 1:
- ot = OT_LONG;
- is_int = 1;
+ gen_op_fildl_FT0_A0();
break;
case 2:
- ot = OT_QUAD;
- is_int = 0;
+ gen_op_fldl_FT0_A0();
break;
case 3:
default:
- ot = OT_WORD;
- is_int = 1;
+ gen_op_fild_FT0_A0();
break;
}
- /* if integer, needs to convert to float */
- if (is_int) {
- /* XXX: potential loss of precision if large integer */
- gen_ld(OP_LDUB + ot, OR_TMP0, reg_addr, offset_addr);
- gen_insn2(OP_I2FL, OR_FTMP0, OR_TMP0);
- } else {
- gen_ld(OP_LDUB + ot, OR_FTMP0, reg_addr, offset_addr);
- }
- if (ot != OT_QUAD)
- op1 += OP_FADDL - OP_FADDQ;
-
- if (!swap)
- gen_insn3(op1, OR_ST0, OR_ST0, OR_FTMP0);
- else
- gen_insn3(op1, OR_ST0, OR_FTMP0, OR_ST0);
-
- if ((op & 7) == 3) {
+ gen_op_fp_arith_ST0_FT0[op1]();
+ if (op1 == 3) {
/* fcomp needs pop */
- gen_insn0(OP_FPOP);
+ gen_op_fpop();
}
}
break;
case 0x3a: /* fists */
case 0x3b: /* fistps */
- switch(op >> 4) {
- case 0:
- ot = OT_LONG;
- is_int = 0;
- break;
- case 1:
- ot = OT_LONG;
- is_int = 1;
- break;
- case 2:
- ot = OT_QUAD;
- is_int = 0;
- break;
- case 3:
- default:
- ot = OT_WORD;
- is_int = 1;
- break;
- }
-
switch(op & 7) {
case 0:
- gen_insn0(OP_FPUSH);
- if (is_int) {
- /* XXX: potential loss of precision */
- gen_ld(OP_LDUB + ot, OR_TMP0, reg_addr, offset_addr);
- gen_insn2(OP_I2FL, OR_ST0, OR_TMP0);
- } else {
- gen_ld(OP_LDUB + ot, OR_ST0, reg_addr, offset_addr);
+ gen_op_fpush();
+ switch(op >> 4) {
+ case 0:
+ gen_op_flds_ST0_A0();
+ break;
+ case 1:
+ gen_op_fildl_ST0_A0();
+ break;
+ case 2:
+ gen_op_fldl_ST0_A0();
+ break;
+ case 3:
+ default:
+ gen_op_fild_ST0_A0();
+ break;
}
break;
default:
- if (is_int) {
- gen_insn2(OP_F2IL, OR_TMP0, OR_ST0);
- gen_st(OP_STB + ot, OR_TMP0, reg_addr, offset_addr);
- } else {
- gen_st(OP_STB + ot, OR_ST0, reg_addr, offset_addr);
+ switch(op >> 4) {
+ case 0:
+ gen_op_fsts_ST0_A0();
+ break;
+ case 1:
+ gen_op_fistl_ST0_A0();
+ break;
+ case 2:
+ gen_op_fstl_ST0_A0();
+ break;
+ case 3:
+ default:
+ gen_op_fist_ST0_A0();
+ break;
}
if ((op & 7) == 3)
- gen_insn0(OP_FPOP);
+ gen_op_fpop();
break;
}
break;
+#if 0
case 0x2f: /* fnstsw mem */
gen_insn3(OP_FNSTS, OR_TMP0, OR_ZERO, OR_ZERO);
gen_st(OP_STW, OR_TMP0, reg_addr, offset_addr);
case 0x3e: /* fbstp */
error("float BCD not hanlded");
return -1;
+#endif
case 0x3d: /* fildll */
- gen_insn0(OP_FPUSH);
- gen_ld(OP_LDQ, OR_TMP0, reg_addr, offset_addr);
- gen_insn2(OP_I2FQ, OR_ST0, OR_TMP0);
+ gen_op_fpush();
+ gen_op_fildll_ST0_A0();
break;
case 0x3f: /* fistpll */
- gen_insn2(OP_F2IQ, OR_TMP0, OR_ST0);
- gen_st(OP_STQ, OR_TMP0, reg_addr, offset_addr);
- gen_insn0(OP_FPOP);
+ gen_op_fistll_ST0_A0();
+ gen_op_fpop();
break;
default:
error("unhandled memory FP\n");
}
} else {
/* register float ops */
- opreg = rm + OR_ST0;
+ opreg = rm;
switch(op) {
case 0x08: /* fld sti */
- gen_insn0(OP_FPUSH);
- gen_mov(OR_ST0, OR_ST0 + ((rm + 1) & 7));
+ gen_op_fpush();
+ gen_op_fmov_ST0_STN((opreg + 1) & 7);
break;
case 0x09: /* fxchg sti */
- gen_mov(OR_TMP0, OR_ST0);
- gen_mov(OR_ST0, opreg);
- gen_mov(opreg, OR_TMP0);
+ gen_op_fxchg_ST0_STN((opreg + 1) & 7);
break;
case 0x0a: /* grp d9/2 */
switch(rm) {
case 0: /* fnop */
- gen_insn0(OP_NOP);
break;
default:
error("unhandled FP GRP d9/2\n");
case 0x0c: /* grp d9/4 */
switch(rm) {
case 0: /* fchs */
- gen_insn3(OP_FSUBQ, OR_ST0, OR_ZERO, OR_ST0);
+ gen_op_fchs_ST0();
break;
case 1: /* fabs */
- gen_insn2(OP_FABSQ, OR_ST0, OR_ST0);
+ gen_op_fabs_ST0();
break;
case 4: /* ftst */
- gen_insn3(OP_CMP, OR_ZERO, OR_ST0, OR_ZERO);
+ gen_op_fldz_FT0();
+ gen_op_fcom_ST0_FT0();
break;
case 5: /* fxam */
- gen_insn3(OP_FSPECIAL, OR_ZERO, OR_ST0, OR_ZERO);
+ gen_op_fxam_ST0();
break;
default:
return -1;
break;
case 0x0d: /* grp d9/5 */
{
- if (rm == 7) {
- error("bad GRP d9/5");
+ switch(rm) {
+ case 0:
+ gen_op_fld1_ST0();
+ break;
+ case 1:
+ gen_op_fld2t_ST0();
+ break;
+ case 2:
+ gen_op_fld2e_ST0();
+ break;
+ case 3:
+ gen_op_fldpi_ST0();
+ break;
+ case 4:
+ gen_op_fldlg2_ST0();
+ break;
+ case 5:
+ gen_op_fldln2_ST0();
+ break;
+ case 6:
+ gen_op_fldz_ST0();
+ break;
+ default:
return -1;
}
- /* XXX: needs constant load or symbol table */
- gen_insn0(OP_FPUSH);
- gen_ld(OP_LDQ, OR_ST0, OR_ZERO,
- (rm * 8) + FLOAT_CONST_ADDR);
}
break;
case 0x0e: /* grp d9/6 */
switch(rm) {
case 0: /* f2xm1 */
- gen_insn3(OP_FSPECIAL, OR_ST0, OR_ST0, OR_ZERO);
+ gen_op_f2xm1();
break;
case 1: /* fyl2x */
- gen_insn3(OP_FSPECIAL, OR_ST1, OR_ST0, OR_ST1);
- gen_insn0(OP_FPOP);
+ gen_op_fyl2x();
break;
case 2: /* fptan */
- gen_insn3(OP_FSPECIAL, OR_ST0, OR_ST0, OR_ZERO);
- gen_insn0(OP_FPUSH);
- /* load one */
- gen_ld(OP_LDQ, OR_ST0, OR_ZERO,
- (0 * 8) + FLOAT_CONST_ADDR);
+ gen_op_fptan();
break;
case 3: /* fpatan */
- gen_insn3(OP_FSPECIAL, OR_ST1, OR_ST0, OR_ST1);
- gen_insn0(OP_FPOP);
+ gen_op_fpatan();
break;
case 4: /* fxtract */
- gen_insn0(OP_FPUSH);
- gen_insn3(OP_FSPECIAL, OR_ST0, OR_ST1, OR_ZERO);
- gen_insn3(OP_FSPECIAL, OR_ST1, OR_ST1, OR_ZERO);
+ gen_op_fxtract();
break;
case 5: /* fprem1 */
- gen_insn3(OP_FSPECIAL, OR_ST0, OR_ST0, OR_ST1);
+ gen_op_fprem1();
break;
case 6: /* fdecstp */
- gen_insn0(OP_FPUSH);
+ gen_op_fdecstp();
break;
default:
- case 7: /* fdecstp */
- gen_insn0(OP_FPOP);
+ case 7: /* fincstp */
+ gen_op_fincstp();
break;
}
break;
case 0x0f: /* grp d9/7 */
switch(rm) {
case 0: /* fprem */
- gen_insn3(OP_FSPECIAL, OR_ST0, OR_ST0, OR_ST1);
+ gen_op_fprem();
break;
case 1: /* fyl2xp1 */
- gen_insn3(OP_FSPECIAL, OR_ST1, OR_ST0, OR_ST1);
- gen_insn0(OP_FPOP);
+ gen_op_fyl2xp1();
+ break;
+ case 2: /* fsqrt */
+ gen_op_fsqrt();
break;
case 3: /* fsincos */
- gen_insn0(OP_FPUSH);
- gen_insn3(OP_FSPECIAL, OR_ST0, OR_ST1, OR_ZERO);
- gen_insn3(OP_FSPECIAL, OR_ST1, OR_ST1, OR_ZERO);
+ gen_op_fsincos();
break;
case 5: /* fscale */
- gen_insn3(OP_FSPECIAL, OR_ST0, OR_ST0, OR_ST1);
+ gen_op_fscale();
break;
- case 2: /* fsqrt */
case 4: /* frndint */
+ gen_op_frndint();
+ break;
case 6: /* fsin */
+ gen_op_fsin();
+ break;
default:
case 7: /* fcos */
- gen_insn3(OP_FSPECIAL, OR_ST0, OR_ST0, OR_ZERO);
+ gen_op_fcos();
break;
}
break;
case 0x20: case 0x21: case 0x24 ... 0x27: /* fxxx sti, st */
case 0x30: case 0x31: case 0x34 ... 0x37: /* fxxxp sti, st */
{
- int op1, swap;
+ int op1;
- op1 = fp_ops[op & 7];
- swap = 0;
- if ((op & 7) == 5 || (op & 7) == 7)
- swap = 1;
+ op1 = op & 7;
if (op >= 0x20) {
- if (swap)
- gen_insn3(op1, opreg, OR_ST0, opreg);
- else
- gen_insn3(op1, opreg, opreg, OR_ST0);
+ gen_op_fp_arith_STN_ST0[op1](opreg);
} else {
- if (swap)
- gen_insn3(op1, OR_ST0, opreg, OR_ST0);
- else
- gen_insn3(op1, OR_ST0, OR_ST0, opreg);
+ gen_op_fmov_FT0_STN(opreg);
+ gen_op_fp_arith_ST0_FT0[op1]();
}
if (op >= 0x30)
- gen_insn0(OP_FPOP);
+ gen_op_fpop();
}
break;
case 0x02: /* fcom */
- gen_insn3(OP_CMP, OR_ZERO, OR_ST0, opreg);
+ gen_op_fmov_FT0_STN(opreg);
+ gen_op_fcom_ST0_FT0();
break;
case 0x03: /* fcomp */
- gen_insn3(OP_CMP, OR_ZERO, OR_ST0, opreg);
- gen_insn0(OP_FPOP);
+ gen_op_fmov_FT0_STN(opreg);
+ gen_op_fcom_ST0_FT0();
+ gen_op_fpop();
break;
case 0x15: /* da/5 */
switch(rm) {
case 1: /* fucompp */
- gen_insn3(OP_CMP, OR_ZERO, OR_ST0, opreg);
- gen_insn0(OP_FPOP);
- gen_insn0(OP_FPOP);
+ gen_op_fmov_FT0_STN(1);
+ gen_op_fcom_ST0_FT0();
+ gen_op_fpop();
+ gen_op_fpop();
break;
default:
return -1;
}
break;
case 0x2a: /* fst sti */
- gen_mov(opreg, OR_ST0);
+ gen_op_fmov_STN_ST0(opreg);
break;
case 0x2b: /* fstp sti */
- gen_mov(opreg, OR_ST0);
- gen_insn0(OP_FPOP);
+ gen_op_fmov_STN_ST0(opreg);
+ gen_op_fpop();
break;
case 0x33: /* de/3 */
switch(rm) {
case 1: /* fcompp */
- gen_insn3(OP_CMP, OR_ZERO, OR_ST0, opreg);
- gen_insn0(OP_FPOP);
- gen_insn0(OP_FPOP);
+ gen_op_fmov_FT0_STN(1);
+ gen_op_fcom_ST0_FT0();
+ gen_op_fpop();
+ gen_op_fpop();
break;
default:
return -1;
break;
case 0x3c: /* df/4 */
switch(rm) {
+#if 0
case 0:
gen_insn3(OP_FNSTS, OR_EAX, OR_ZERO, OR_ZERO);
break;
+#endif
default:
return -1;
}
}
}
break;
-#endif
/************************/
/* string ops */
case 0xa4: /* movsS */
projects / qemu / commitdiff