diff options
Diffstat (limited to 'libgcc/config/i386/64/sfp-machine.h')
| -rw-r--r-- | libgcc/config/i386/64/sfp-machine.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/libgcc/config/i386/64/sfp-machine.h b/libgcc/config/i386/64/sfp-machine.h index 8cc982ecc79..fc9a38af696 100644 --- a/libgcc/config/i386/64/sfp-machine.h +++ b/libgcc/config/i386/64/sfp-machine.h @@ -17,3 +17,18 @@ typedef unsigned int UTItype __attribute__ ((mode (TI))); #define _FP_NANFRAC_D _FP_QNANBIT_D #define _FP_NANFRAC_E _FP_QNANBIT_E, 0 #define _FP_NANFRAC_Q _FP_QNANBIT_Q, 0 + +#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_DECL_EX \ + unsigned int _fcw __attribute__ ((unused)) = FP_RND_NEAREST; + +#define FP_INIT_ROUNDMODE \ + do { \ + __asm__ __volatile__ ("%vstmxcsr\t%0" : "=m" (_fcw)); \ + } while (0) |