*/
#include "cpu.h"
-#include "dyngen-exec.h"
-#include "host-utils.h"
+#include "qemu/host-utils.h"
#include "helper.h"
//#define DEBUG_MULDIV
/* division, flags are undefined */
-void helper_divb_AL(target_ulong t0)
+void helper_divb_AL(CPUX86State *env, target_ulong t0)
{
unsigned int num, den, q, r;
EAX = (EAX & ~0xffff) | (r << 8) | q;
}
-void helper_idivb_AL(target_ulong t0)
+void helper_idivb_AL(CPUX86State *env, target_ulong t0)
{
int num, den, q, r;
EAX = (EAX & ~0xffff) | (r << 8) | q;
}
-void helper_divw_AX(target_ulong t0)
+void helper_divw_AX(CPUX86State *env, target_ulong t0)
{
unsigned int num, den, q, r;
EDX = (EDX & ~0xffff) | r;
}
-void helper_idivw_AX(target_ulong t0)
+void helper_idivw_AX(CPUX86State *env, target_ulong t0)
{
int num, den, q, r;
EDX = (EDX & ~0xffff) | r;
}
-void helper_divl_EAX(target_ulong t0)
+void helper_divl_EAX(CPUX86State *env, target_ulong t0)
{
unsigned int den, r;
uint64_t num, q;
EDX = (uint32_t)r;
}
-void helper_idivl_EAX(target_ulong t0)
+void helper_idivl_EAX(CPUX86State *env, target_ulong t0)
{
int den, r;
int64_t num, q;
/* bcd */
/* XXX: exception */
-void helper_aam(int base)
+void helper_aam(CPUX86State *env, int base)
{
int al, ah;
CC_DST = al;
}
-void helper_aad(int base)
+void helper_aad(CPUX86State *env, int base)
{
int al, ah;
CC_DST = al;
}
-void helper_aaa(void)
+void helper_aaa(CPUX86State *env)
{
int icarry;
int al, ah, af;
int eflags;
- eflags = helper_cc_compute_all(CC_OP);
+ eflags = cpu_cc_compute_all(env, CC_OP);
af = eflags & CC_A;
al = EAX & 0xff;
ah = (EAX >> 8) & 0xff;
CC_SRC = eflags;
}
-void helper_aas(void)
+void helper_aas(CPUX86State *env)
{
int icarry;
int al, ah, af;
int eflags;
- eflags = helper_cc_compute_all(CC_OP);
+ eflags = cpu_cc_compute_all(env, CC_OP);
af = eflags & CC_A;
al = EAX & 0xff;
ah = (EAX >> 8) & 0xff;
CC_SRC = eflags;
}
-void helper_daa(void)
+void helper_daa(CPUX86State *env)
{
int old_al, al, af, cf;
int eflags;
- eflags = helper_cc_compute_all(CC_OP);
+ eflags = cpu_cc_compute_all(env, CC_OP);
cf = eflags & CC_C;
af = eflags & CC_A;
old_al = al = EAX & 0xff;
CC_SRC = eflags;
}
-void helper_das(void)
+void helper_das(CPUX86State *env)
{
int al, al1, af, cf;
int eflags;
- eflags = helper_cc_compute_all(CC_OP);
+ eflags = cpu_cc_compute_all(env, CC_OP);
cf = eflags & CC_C;
af = eflags & CC_A;
al = EAX & 0xff;
return 0;
}
-void helper_mulq_EAX_T0(target_ulong t0)
-{
- uint64_t r0, r1;
-
- mulu64(&r0, &r1, EAX, t0);
- EAX = r0;
- EDX = r1;
- CC_DST = r0;
- CC_SRC = r1;
-}
-
-void helper_imulq_EAX_T0(target_ulong t0)
-{
- uint64_t r0, r1;
-
- muls64(&r0, &r1, EAX, t0);
- EAX = r0;
- EDX = r1;
- CC_DST = r0;
- CC_SRC = ((int64_t)r1 != ((int64_t)r0 >> 63));
-}
-
-target_ulong helper_imulq_T0_T1(target_ulong t0, target_ulong t1)
-{
- uint64_t r0, r1;
-
- muls64(&r0, &r1, t0, t1);
- CC_DST = r0;
- CC_SRC = ((int64_t)r1 != ((int64_t)r0 >> 63));
- return r0;
-}
-
-void helper_divq_EAX(target_ulong t0)
+void helper_divq_EAX(CPUX86State *env, target_ulong t0)
{
uint64_t r0, r1;
EDX = r1;
}
-void helper_idivq_EAX(target_ulong t0)
+void helper_idivq_EAX(CPUX86State *env, target_ulong t0)
{
uint64_t r0, r1;
}
#endif
+#if TARGET_LONG_BITS == 32
+# define ctztl ctz32
+# define clztl clz32
+#else
+# define ctztl ctz64
+# define clztl clz64
+#endif
+
/* bit operations */
-target_ulong helper_bsf(target_ulong t0)
+target_ulong helper_ctz(target_ulong t0)
{
- int count;
- target_ulong res;
-
- res = t0;
- count = 0;
- while ((res & 1) == 0) {
- count++;
- res >>= 1;
- }
- return count;
+ return ctztl(t0);
}
-target_ulong helper_lzcnt(target_ulong t0, int wordsize)
+target_ulong helper_clz(target_ulong t0)
{
- int count;
- target_ulong res, mask;
+ return clztl(t0);
+}
- if (wordsize > 0 && t0 == 0) {
- return wordsize;
- }
- res = t0;
- count = TARGET_LONG_BITS - 1;
- mask = (target_ulong)1 << (TARGET_LONG_BITS - 1);
- while ((res & mask) == 0) {
- count--;
- res <<= 1;
- }
- if (wordsize > 0) {
- return wordsize - 1 - count;
+target_ulong helper_pdep(target_ulong src, target_ulong mask)
+{
+ target_ulong dest = 0;
+ int i, o;
+
+ for (i = 0; mask != 0; i++) {
+ o = ctztl(mask);
+ mask &= mask - 1;
+ dest |= ((src >> i) & 1) << o;
}
- return count;
+ return dest;
}
-target_ulong helper_bsr(target_ulong t0)
+target_ulong helper_pext(target_ulong src, target_ulong mask)
{
- return helper_lzcnt(t0, 0);
+ target_ulong dest = 0;
+ int i, o;
+
+ for (o = 0; mask != 0; o++) {
+ i = ctztl(mask);
+ mask &= mask - 1;
+ dest |= ((src >> i) & 1) << o;
+ }
+ return dest;
}
#define SHIFT 0