SH-2A Datasheet, PDF (98/501 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperH™ RISC engine Family

Section 6 Instruction Descriptions
else
tmp.l[0] = 0x7ff00000; /* + infinity */
tmp.l[1] = 0x00000000;
if(result == tmp.d)
set_O(); set_I();
if(FPSCR_RM == 1) {
tmp.l[0] -= 1;
tmp.l[1] = 0xffffffff;
result = tmp.d; /* Maximum value of normalized number */
}
}
if(result < 0.0) abs = -result;
else
abs = result;
tmp.l[0] = 0x00100000; /* Minimum value of normalized number */
tmp.l[1] = 0x00000000;
if(abs < tmp.d) {
if((FPSCR_DN == 1) && (abs != 0.0)) {
set_I();
if(result < 0.0) result = -0.0;
/* Zeroize denormalized number */
else
result = 0.0;
}
if(FPSCR_I == 1) set_U();
}
if(FPSCR & ENABLE_OUI) fpu_exception_trap();
else
*dst = result;
}
int check_product_invalid(int m,n)
{
return(check_product_infinity(m,n) &&
((data_type_of(m) == PZERO) || (data_type_of(n) == PZERO) ||
(data_type_of(m) == NZERO) || (data_type_of(n) == NZERO)));
}
int check_product_infinity(int m,n)
{
return((data_type_of(m) == PINF) || (data_type_of(n) == PINF) ||
Rev. 3.00 Jul 08, 2005 page 84 of 484
REJ09B0051-0300