* reload.c (push_reload): Handle subregs and secondary memory.
* reload1.c (gen_reload): Likewise.
* jump.c (reg_or_subregno): New function.
* rtl.h (reg_or_subregno): Declare
* unroll.c (find_splittable_givs): Handle subregs.
From-SVN: r57663
+Mon Sep 30 21:33:23 CEST 2002 Jan Hubicka <jh@suse.cz>
+
+ * reload.c (push_reload): Handle subregs and secondary memory.
+ * reload1.c (gen_reload): Likewise.
+
+ * jump.c (reg_or_subregno): New function.
+ * rtl.h (reg_or_subregno): Declare
+ * unroll.c (find_splittable_givs): Handle subregs.
+
2002-09-30 Mark Mitchell <mark@codesourcery.com>
* store-layout.c (finish_record_layout): Add free_p parameter.
}
return -1;
}
+
+/* Return regno of the register REG and handle subregs too. */
+unsigned int
+reg_or_subregno (reg)
+ rtx reg;
+{
+ if (REG_P (reg))
+ return REGNO (reg);
+ if (GET_CODE (reg) == SUBREG)
+ return REGNO (SUBREG_REG (reg));
+ abort ();
+}
#ifdef SECONDARY_MEMORY_NEEDED
/* If a memory location is needed for the copy, make one. */
- if (in != 0 && GET_CODE (in) == REG
- && REGNO (in) < FIRST_PSEUDO_REGISTER
- && SECONDARY_MEMORY_NEEDED (REGNO_REG_CLASS (REGNO (in)),
+ if (in != 0 && (GET_CODE (in) == REG || GET_CODE (in) == SUBREG)
+ && reg_or_subregno (in) < FIRST_PSEUDO_REGISTER
+ && SECONDARY_MEMORY_NEEDED (REGNO_REG_CLASS (reg_or_subregno (in)),
class, inmode))
get_secondary_mem (in, inmode, opnum, type);
#endif
n_reloads++;
#ifdef SECONDARY_MEMORY_NEEDED
- if (out != 0 && GET_CODE (out) == REG
- && REGNO (out) < FIRST_PSEUDO_REGISTER
- && SECONDARY_MEMORY_NEEDED (class, REGNO_REG_CLASS (REGNO (out)),
+ if (out != 0 && (GET_CODE (out) == REG || GET_CODE (out) == SUBREG)
+ && reg_or_subregno (out) < FIRST_PSEUDO_REGISTER
+ && SECONDARY_MEMORY_NEEDED (class,
+ REGNO_REG_CLASS (reg_or_subregno (out)),
outmode))
get_secondary_mem (out, outmode, opnum, type);
#endif
#ifdef SECONDARY_MEMORY_NEEDED
/* If we need a memory location to do the move, do it that way. */
- else if (GET_CODE (in) == REG && REGNO (in) < FIRST_PSEUDO_REGISTER
- && GET_CODE (out) == REG && REGNO (out) < FIRST_PSEUDO_REGISTER
- && SECONDARY_MEMORY_NEEDED (REGNO_REG_CLASS (REGNO (in)),
- REGNO_REG_CLASS (REGNO (out)),
+ else if ((GET_CODE (in) == REG || GET_CODE (in) == SUBREG)
+ && reg_or_subregno (in) < FIRST_PSEUDO_REGISTER
+ && (GET_CODE (out) == REG || GET_CODE (out) == SUBREG)
+ && reg_or_subregno (out) < FIRST_PSEUDO_REGISTER
+ && SECONDARY_MEMORY_NEEDED (REGNO_REG_CLASS (reg_or_subregno (in)),
+ REGNO_REG_CLASS (reg_or_subregno (out)),
GET_MODE (out)))
{
/* Get the memory to use and rewrite both registers to its mode. */
extern int invert_jump PARAMS ((rtx, rtx, int));
extern int rtx_renumbered_equal_p PARAMS ((rtx, rtx));
extern int true_regnum PARAMS ((rtx));
+extern unsigned int reg_or_subregno PARAMS ((rtx));
extern int redirect_jump_1 PARAMS ((rtx, rtx));
extern int redirect_jump PARAMS ((rtx, rtx, int));
extern void rebuild_jump_labels PARAMS ((rtx));
value = tem;
}
- splittable_regs[REGNO (v->new_reg)] = value;
+ splittable_regs[reg_or_subregno (v->new_reg)] = value;
}
else
continue;
if (! v->ignore)
count = REG_IV_CLASS (ivs, REGNO (v->src_reg))->biv_count;
- splittable_regs_updates[REGNO (v->new_reg)] = count;
+ splittable_regs_updates[reg_or_subregno (v->new_reg)] = count;
}
result++;