diff options
Diffstat (limited to 'target/i386/fpu_helper.c')
| -rw-r--r-- | target/i386/fpu_helper.c | 29 |
1 files changed, 2 insertions, 27 deletions
diff --git a/target/i386/fpu_helper.c b/target/i386/fpu_helper.c index 69ea33a5c2..9014b6f88a 100644 --- a/target/i386/fpu_helper.c +++ b/target/i386/fpu_helper.c @@ -1539,24 +1539,6 @@ void helper_xsetbv(CPUX86State *env, uint32_t ecx, uint64_t mask) raise_exception_ra(env, EXCP0D_GPF, GETPC()); } -void cpu_get_fp80(uint64_t *pmant, uint16_t *pexp, floatx80 f) -{ - CPU_LDoubleU temp; - - temp.d = f; - *pmant = temp.l.lower; - *pexp = temp.l.upper; -} - -floatx80 cpu_set_fp80(uint64_t mant, uint16_t upper) -{ - CPU_LDoubleU temp; - - temp.l.upper = upper; - temp.l.lower = mant; - return temp.d; -} - /* MMX/SSE */ /* XXX: optimize by storing fptt and fptags in the static cpu state */ @@ -1568,12 +1550,11 @@ floatx80 cpu_set_fp80(uint64_t mant, uint16_t upper) #define SSE_RC_CHOP 0x6000 #define SSE_FZ 0x8000 -void cpu_set_mxcsr(CPUX86State *env, uint32_t mxcsr) +void update_mxcsr_status(CPUX86State *env) { + uint32_t mxcsr = env->mxcsr; int rnd_type; - env->mxcsr = mxcsr; - /* set rounding mode */ switch (mxcsr & SSE_RC_MASK) { default: @@ -1599,12 +1580,6 @@ void cpu_set_mxcsr(CPUX86State *env, uint32_t mxcsr) set_flush_to_zero((mxcsr & SSE_FZ) ? 1 : 0, &env->fp_status); } -void cpu_set_fpuc(CPUX86State *env, uint16_t val) -{ - env->fpuc = val; - update_fp_status(env); -} - void helper_ldmxcsr(CPUX86State *env, uint32_t val) { cpu_set_mxcsr(env, val); |