3-693
INSTRUCTION SET REFERENCE
UCOMISS—Unordered Scalar Single-FP compare and set EFLAGS
(Continued)
Operation
OF = 0;
SF = 0;
AF = 0;
IF ((DEST[31-0] UNORD SRC/m32[31-0]) = TRUE) THEN
ZF = 1;
PF = 1;
CF = 1;
ELSE
IF ((DEST[31-0] GTRTHAN SRC/m32[31-0]) = TRUE)THEN
ZF = 0;
PF = 0;
CF = 0;
ELSE
IF ((DEST[31-0] LESSTHAN SRC/m32[31-0]) = TRUE THEN
ZF = 0;
PF = 0;
CF = 1;
ELSE
ZF = 1;
PF = 0;
CF = 0;
FI
FI
FI
