diff options
Diffstat (limited to 'target-i386/op.c')
| -rw-r--r-- | target-i386/op.c | 49 |
1 files changed, 6 insertions, 43 deletions
diff --git a/target-i386/op.c b/target-i386/op.c index dc0dceadfd..bbc2b19aed 100644 --- a/target-i386/op.c +++ b/target-i386/op.c @@ -1598,26 +1598,6 @@ CCTable cc_table[CC_OP_NB] = { functions comes from the LGPL'ed x86 emulator found in the Willows TWIN windows emulator. */ -#if defined(__powerpc__) -extern CPU86_LDouble copysign(CPU86_LDouble, CPU86_LDouble); - -/* correct (but slow) PowerPC rint() (glibc version is incorrect) */ -double qemu_rint(double x) -{ - double y = 4503599627370496.0; - if (fabs(x) >= y) - return x; - if (x < 0) - y = -y; - y = (x + y) - y; - if (y == 0.0) - y = copysign(y, x); - return y; -} - -#define rint qemu_rint -#endif - /* fp load FT0 */ void OPPROTO op_flds_FT0_A0(void) @@ -1866,7 +1846,7 @@ void OPPROTO op_fist_ST0_A0(void) int val; d = ST0; - val = lrint(d); + val = floatx_to_int32(d, &env->fp_status); if (val != (int16_t)val) val = -32768; stw(A0, val); @@ -1883,7 +1863,7 @@ void OPPROTO op_fistl_ST0_A0(void) int val; d = ST0; - val = lrint(d); + val = floatx_to_int32(d, &env->fp_status); stl(A0, val); FORCE_RET(); } @@ -1898,7 +1878,7 @@ void OPPROTO op_fistll_ST0_A0(void) int64_t val; d = ST0; - val = llrint(d); + val = floatx_to_int64(d, &env->fp_status); stq(A0, val); FORCE_RET(); } @@ -2101,12 +2081,12 @@ void OPPROTO op_fdivr_STN_ST0(void) /* misc FPU operations */ void OPPROTO op_fchs_ST0(void) { - ST0 = -ST0; + ST0 = floatx_chs(ST0); } void OPPROTO op_fabs_ST0(void) { - ST0 = fabs(ST0); + ST0 = floatx_abs(ST0); } void OPPROTO op_fxam_ST0(void) @@ -2251,25 +2231,8 @@ void OPPROTO op_fnstcw_A0(void) void OPPROTO op_fldcw_A0(void) { - int rnd_type; env->fpuc = lduw(A0); - /* set rounding mode */ - switch(env->fpuc & RC_MASK) { - default: - case RC_NEAR: - rnd_type = FE_TONEAREST; - break; - case RC_DOWN: - rnd_type = FE_DOWNWARD; - break; - case RC_UP: - rnd_type = FE_UPWARD; - break; - case RC_CHOP: - rnd_type = FE_TOWARDZERO; - break; - } - fesetround(rnd_type); + update_fp_status(); } void OPPROTO op_fclex(void) |