blob: 26a0988082a300cd25f114d0409aacb984df02da [file] [log] [blame]
/*
* float-to-int
*
* We have to clip values to int min/max per the specification. The
* expected common case is a "reasonable" value that converts directly
* to modest integer. The EABI convert function isn't doing this for us
* for pre-R6.
*/
/* unop vA, vB */
GET_OPB(a3) # a3 <- B
GET_OPA4(rOBJ) # rOBJ <- A+
GET_VREG_F(fa0, a3)
FETCH_ADVANCE_INST(1) # advance rPC, load rINST
#ifndef MIPS32REVGE6
li t0, INT_MIN_AS_FLOAT
mtc1 t0, fa1
c.ole.s fcc0, fa1, fa0
#endif
GET_INST_OPCODE(t1) # extract opcode from rINST
#ifndef MIPS32REVGE6
bc1t fcc0, 1f # if INT_MIN <= vB, proceed to truncation
c.eq.s fcc0, fa0, fa0
mtc1 zero, fa0
movt.s fa0, fa1, fcc0 # fa0 = ordered(vB) ? INT_MIN_AS_FLOAT : 0
1:
#endif
trunc.w.s fa0, fa0
SET_VREG_F_GOTO(fa0, rOBJ, t1) # vA <- result