SH-2A Datasheet, PDF (305/501 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperH™ RISC engine Family

Section 6 Instruction Descriptions
int l[4];
}
tmpx;
if(FPSCR_PR == 0) {
tmpf.f = FR[n]; /* save destination value */
dstf.f /= FR[m]; /* round toward nearest or even */
tmpd.d = dstf.f; /* convert single to double */
tmpd.d *= FR[m];
if(tmpf.f != tmpd.d) set_I();
if((tmpf.f < tmpd.d) && (SPSCR_RM == 1))
dstf.l -= 1; /* round toward zero */
check_single_exception(&FR[n], dstf.f);
} else {
tmpd.d = DR[n>>1]; /* save destination value */
dstd.d /= DR[m>>1]; /* round toward nearest or even */
tmpx.x = dstd.d; /* convert double to int double */
tmpx.x *= DR[m>>1];
if(tmpd.d != tmpx.x) set_I();
if((tmpd.d < tmpx.x) && (SPSCR_RM == 1)) {
dstd.l[1] -= 1; /* round toward zero */
if(dstd.l[1] == 0xffffffff) dstd.l[0] -= 1;
}
check_double_exception(&DR[n>>1], dstd.d);
}
}
Rev. 3.00 Jul 08, 2005 page 291 of 484
REJ09B0051-0300