diff options
Diffstat (limited to 'libgcc/config/i386/64/sfp-machine.h')
| -rw-r--r-- | libgcc/config/i386/64/sfp-machine.h | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/libgcc/config/i386/64/sfp-machine.h b/libgcc/config/i386/64/sfp-machine.h new file mode 100644 index 0000000000..1ff94c23ea --- /dev/null +++ b/libgcc/config/i386/64/sfp-machine.h @@ -0,0 +1,38 @@ +#define _FP_W_TYPE_SIZE 64 +#define _FP_W_TYPE unsigned long long +#define _FP_WS_TYPE signed long long +#define _FP_I_TYPE long long + +typedef int TItype __attribute__ ((mode (TI))); +typedef unsigned int UTItype __attribute__ ((mode (TI))); + +#define TI_BITS (__CHAR_BIT__ * (int)sizeof(TItype)) + +#define _FP_MUL_MEAT_Q(R,X,Y) \ + _FP_MUL_MEAT_2_wide(_FP_WFRACBITS_Q,R,X,Y,umul_ppmm) + +#define _FP_DIV_MEAT_Q(R,X,Y) _FP_DIV_MEAT_2_udiv(Q,R,X,Y) + +#define _FP_NANFRAC_S _FP_QNANBIT_S +#define _FP_NANFRAC_D _FP_QNANBIT_D +#define _FP_NANFRAC_E _FP_QNANBIT_E, 0 +#define _FP_NANFRAC_Q _FP_QNANBIT_Q, 0 + +#ifndef _SOFT_FLOAT +#define FP_EX_SHIFT 7 + +#define _FP_DECL_EX \ + unsigned int _fcw __attribute__ ((unused)) = FP_RND_NEAREST; + +#define FP_RND_NEAREST 0 +#define FP_RND_ZERO 0x6000 +#define FP_RND_PINF 0x4000 +#define FP_RND_MINF 0x2000 + +#define FP_RND_MASK 0x6000 + +#define FP_INIT_ROUNDMODE \ + do { \ + __asm__ __volatile__ ("%vstmxcsr\t%0" : "=m" (_fcw)); \ + } while (0) +#endif |