powerpc/fpu/fpu_emu.c

276 	int ra, rb, rc, rt, type, mask, fsr, cx, bf, setcr;
335 				rt = instr.i_x.i_rt;
336 				a = (int *)&fs->fpreg[rt];
364 			rt = instr.i_x.i_rt;
380 			rt = instr.i_d.i_rt;
393 				fpu_explode(fe, fp = &fe->fe_f1, FTYPE_DBL, rt);
401 				if (copyout(&fs->fpreg[rt], (void *)addr, size))
409 			if (copyin((const void *)addr, &fs->fpreg[rt], size))
412 				fpu_explode(fe, fp = &fe->fe_f1, type, rt);
414 					(u_int *)&fs->fpreg[rt]);
433 			rt = instr.i_x.i_rt;
443 				rt >>= 2;
467 					(u_int *)&fs->fpreg[rt]);
468 				fpu_explode(fe, fp = &fe->fe_f1, FTYPE_SNG, rt);
481 				rt >>= 2;
495 					(~(FPSCR_VX|FPSR_EX) & (1<<(31-rt)));
500 				memcpy(&fs->fpreg[rt], &fs->fpreg[rb],
502 				a = (int *)&fs->fpreg[rt];
509 				rt &= 0x1c;
518 				tf->cr &= ~(0xf << (28 - rt));
519 				tf->cr |= (mask << (28 - rt));
525 					((FPSCR_VX|FPSR_EX) & ~(1<<(31-rt)));
530 				memcpy(&fs->fpreg[rt], &fs->fpreg[rb],
537 				rt &= 0x1c; /* Already left-shifted 4 */
538 				fe->fe_cx = rb << (28 - rt);
539 				mask = 0xf<<(28 - rt);
547 				memcpy(&fs->fpreg[rt], &fs->fpreg[rb],
549 				a = (int *)&fs->fpreg[rt];
555 				memcpy(&fs->fpreg[rt], &fs->fpreg[rb],
557 				a = (int *)&fs->fpreg[rt];
563 				memcpy(&fs->fpreg[rt], &fs->fpscr,
569 				if ((rt = instr.i_xfl.i_flm) == -1)
575 						if (rt & (1<<ra))
578 				a = (int *)&fs->fpreg[rt];
604 			rt = instr.i_a.i_frt;
647 				DPRINTF(FPE_INSN, ("f%d => f%d\n", rc, rt));
648 				memcpy(&fs->fpreg[rt], &fs->fpreg[rc],
657 				*((int *)&fe->fe_fpstate->fpreg[rt]) = 1;
658 				fpu_explode(fe, &fe->fe_f1, FTYPE_INT, rt);
676 				*((int *)&fe->fe_fpstate->fpreg[rt]) = 1;
677 				fpu_explode(fe, &fe->fe_f1, FTYPE_INT, rt);
740 		fpu_implode(fe, fp, type, (u_int *)&fs->fpreg[rt]);