diff options
Diffstat (limited to 'src/include')
| -rw-r--r-- | src/include/regs.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/include/regs.h b/src/include/regs.h index 58070c8a..d83fbcbd 100644 --- a/src/include/regs.h +++ b/src/include/regs.h @@ -245,6 +245,12 @@ typedef union { } f; uint16_t x16; } x87control_t; +/* +Precision Controls: 00b = 24bits, 01b=reserved, 10b=53bits and 11b=64bits +The precision-control bits only affect the results of the following floating-point instructions: FADD, FADDP, FIADD, +FSUB, FSUBP, FISUB, FSUBR, FSUBRP, FISUBR, FMUL, FMULP, FIMUL, FDIV, FDIVP, FIDIV, FDIVR, FDIVRP, FIDIVR, +and FSQRT. +*/ typedef union { struct __attribute__ ((__packed__)) { |