diff options
Diffstat (limited to 'target-i386/fpu_helper.c')
| -rw-r--r-- | target-i386/fpu_helper.c | 21 |
1 files changed, 13 insertions, 8 deletions
diff --git a/target-i386/fpu_helper.c b/target-i386/fpu_helper.c index 1b2900d5d2..1d4eee3974 100644 --- a/target-i386/fpu_helper.c +++ b/target-i386/fpu_helper.c @@ -537,7 +537,7 @@ uint32_t helper_fnstcw(CPUX86State *env) return env->fpuc; } -static void update_fp_status(CPUX86State *env) +void update_fp_status(CPUX86State *env) { int rnd_type; @@ -575,8 +575,7 @@ static void update_fp_status(CPUX86State *env) void helper_fldcw(CPUX86State *env, uint32_t val) { - env->fpuc = val; - update_fp_status(env); + cpu_set_fpuc(env, val); } void helper_fclex(CPUX86State *env) @@ -595,7 +594,7 @@ void helper_fninit(CPUX86State *env) { env->fpus = 0; env->fpstt = 0; - env->fpuc = 0x37f; + cpu_set_fpuc(env, 0x37f); env->fptags[0] = 1; env->fptags[1] = 1; env->fptags[2] = 1; @@ -1013,11 +1012,11 @@ void helper_fldenv(CPUX86State *env, target_ulong ptr, int data32) int i, fpus, fptag; if (data32) { - env->fpuc = cpu_lduw_data(env, ptr); + cpu_set_fpuc(env, cpu_lduw_data(env, ptr)); fpus = cpu_lduw_data(env, ptr + 4); fptag = cpu_lduw_data(env, ptr + 8); } else { - env->fpuc = cpu_lduw_data(env, ptr); + cpu_set_fpuc(env, cpu_lduw_data(env, ptr)); fpus = cpu_lduw_data(env, ptr + 2); fptag = cpu_lduw_data(env, ptr + 4); } @@ -1046,7 +1045,7 @@ void helper_fsave(CPUX86State *env, target_ulong ptr, int data32) /* fninit */ env->fpus = 0; env->fpstt = 0; - env->fpuc = 0x37f; + cpu_set_fpuc(env, 0x37f); env->fptags[0] = 1; env->fptags[1] = 1; env->fptags[2] = 1; @@ -1157,7 +1156,7 @@ void helper_fxrstor(CPUX86State *env, target_ulong ptr, int data64) raise_exception(env, EXCP0D_GPF); } - env->fpuc = cpu_lduw_data(env, ptr); + cpu_set_fpuc(env, cpu_lduw_data(env, ptr)); fpus = cpu_lduw_data(env, ptr + 2); fptag = cpu_lduw_data(env, ptr + 4); env->fpstt = (fpus >> 11) & 7; @@ -1257,6 +1256,12 @@ 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); |