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big endian SSE fix

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git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1201 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
bellard 2005-01-06 20:44:11 +00:00
parent 02536f8b1f
commit 826461bb40
1 changed files with 33 additions and 8 deletions
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41
target-i386/cpu.h
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@ -339,15 +339,40 @@ typedef struct SegmentCache {
uint32_t flags;
} SegmentCache;
typedef struct {
union {
uint8_t b[16];
uint16_t w[8];
uint32_t l[4];
uint64_t q[2];
} u;
typedef union {
uint8_t _b[16];
uint16_t _w[8];
uint32_t _l[4];
uint64_t _q[2];
} XMMReg;
typedef union {
uint8_t _b[8];
uint16_t _w[2];
uint32_t _l[1];
uint64_t q;
} MMXReg;
#ifdef WORDS_BIGENDIAN
#define XMM_B(n) _b[15 - (n)]
#define XMM_W(n) _w[7 - (n)]
#define XMM_L(n) _l[3 - (n)]
#define XMM_Q(n) _q[1 - (n)]
#define MMX_B(n) _b[7 - (n)]
#define MMX_W(n) _w[3 - (n)]
#define MMX_L(n) _l[1 - (n)]
#else
#define XMM_B(n) _b[n]
#define XMM_W(n) _w[n]
#define XMM_L(n) _l[n]
#define XMM_Q(n) _q[n]
#define MMX_B(n) _b[n]
#define MMX_W(n) _w[n]
#define MMX_L(n) _l[n]
#endif
#ifdef TARGET_X86_64
#define CPU_NB_REGS 16
#else
@ -425,7 +450,7 @@ typedef struct CPUX86State {
int exception_index;
int error_code;
int exception_is_int;
int exception_next_eip;
target_ulong exception_next_eip;
struct TranslationBlock *current_tb; /* currently executing TB */
target_ulong cr[5]; /* NOTE: cr1 is unused */
target_ulong dr[8]; /* debug registers */