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3DNow! instruction set emulation

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(Michael Tross)


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4180 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
aurel32 2008-04-08 19:51:29 +00:00
parent 34c6f05032
commit a35f3ec76b
4 changed files with 246 additions and 10 deletions
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8
target-i386/cpu.h
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@ -428,8 +428,9 @@ typedef union {
typedef union {
uint8_t _b[8];
uint16_t _w[2];
uint32_t _l[1];
uint16_t _w[4];
uint32_t _l[2];
float32 _s[2];
uint64_t q;
} MMXReg;
@ -444,6 +445,7 @@ typedef union {
#define MMX_B(n) _b[7 - (n)]
#define MMX_W(n) _w[3 - (n)]
#define MMX_L(n) _l[1 - (n)]
#define MMX_S(n) _s[1 - (n)]
#else
#define XMM_B(n) _b[n]
#define XMM_W(n) _w[n]
@ -455,6 +457,7 @@ typedef union {
#define MMX_B(n) _b[n]
#define MMX_W(n) _w[n]
#define MMX_L(n) _l[n]
#define MMX_S(n) _s[n]
#endif
#define MMX_Q(n) q
@ -520,6 +523,7 @@ typedef struct CPUX86State {
int64_t i64;
} fp_convert;
float_status mmx_status; /* for 3DNow! float ops */
float_status sse_status;
uint32_t mxcsr;
XMMReg xmm_regs[CPU_NB_REGS];