config/frv/frv.c

168 static /* GTY(()) */ frv_ifcvt_t frv_ifcvt;
1658   memset (&frv_ifcvt.tmp_reg, 0, sizeof (frv_ifcvt.tmp_reg));
1661   BITMAP_XFREE (frv_ifcvt.scratch_insns_bitmap);
6255   frv_ifcvt.added_insns_list = NULL_RTX;
6256   frv_ifcvt.cur_scratch_regs = 0;
6257   frv_ifcvt.num_nested_cond_exec = 0;
6258   frv_ifcvt.cr_reg = NULL_RTX;
6259   frv_ifcvt.nested_cc_reg = NULL_RTX;
6260   frv_ifcvt.extra_int_cr = NULL_RTX;
6261   frv_ifcvt.extra_fp_cr = NULL_RTX;
6262   frv_ifcvt.last_nested_if_cr = NULL_RTX;
6275   frv_ifcvt.added_insns_list = alloc_EXPR_LIST (VOIDmode, link,
6276 						frv_ifcvt.added_insns_list);
6311   frv_tmp_reg_t *tmp_reg = &frv_ifcvt.tmp_reg;
6345       CLEAR_HARD_REG_SET (frv_ifcvt.nested_cc_ok_rewrite);
6358 	    SET_HARD_REG_BIT (frv_ifcvt.nested_cc_ok_rewrite, j);
6362   for (j = 0; j < frv_ifcvt.cur_scratch_regs; j++)
6363     frv_ifcvt.scratch_regs[j] = NULL_RTX;
6365   frv_ifcvt.added_insns_list = NULL_RTX;
6366   frv_ifcvt.cur_scratch_regs = 0;
6403   frv_ifcvt.num_nested_cond_exec = 0;
6450 		      frv_ifcvt.num_nested_cond_exec++;
6477 			      (void *)&frv_ifcvt.nested_cc_ok_rewrite);
6493 	if (TEST_HARD_REG_BIT (frv_ifcvt.nested_cc_ok_rewrite, j))
6529 		   frv_ifcvt.num_nested_cond_exec);
6568 	  if (TEST_HARD_REG_BIT (frv_ifcvt.tmp_reg.regs, cc_regno)
6569 	      && TEST_HARD_REG_BIT (frv_ifcvt.tmp_reg.regs, cr_regno))
6571 	      frv_ifcvt.tmp_reg.next_reg[ (int)cr_class ] = cr_regno;
6575 	      frv_ifcvt.tmp_reg.next_reg[ (int)cc_class ] = cc_regno;
6620   frv_ifcvt.cr_reg = cr;
6621   frv_ifcvt.nested_cc_reg = nested_cc;
6694       p_new_cr = &frv_ifcvt.extra_int_cr;
6699       p_new_cr = &frv_ifcvt.extra_fp_cr;
6709       new_cr = *p_new_cr = frv_alloc_temp_reg (&frv_ifcvt.tmp_reg, cr_class,
6767       CLEAR_HARD_REG_BIT (frv_ifcvt.tmp_reg.regs, REGNO (new_cr));
6785   int num_alloc = frv_ifcvt.cur_scratch_regs;
6800 	  if (rtx_equal_p (SET_SRC (frv_ifcvt.scratch_regs[i]), value))
6801 	    return SET_DEST (frv_ifcvt.scratch_regs[i]);
6815   reg = frv_alloc_temp_reg (&frv_ifcvt.tmp_reg, GPR_REGS, SImode, TRUE, TRUE);
6824   frv_ifcvt.cur_scratch_regs++;
6825   frv_ifcvt.scratch_regs[num_alloc] = gen_rtx_SET (VOIDmode, reg, value);
6964       rtx cr = frv_ifcvt.cr_reg;
6978       if (! frv_ifcvt.last_nested_if_cr)
6982 	  frv_ifcvt.last_nested_if_cr = test_reg;
6993       else if (! rtx_equal_p (test_reg, frv_ifcvt.last_nested_if_cr))
7002       frv_ifcvt.last_nested_if_cr = NULL_RTX;
7072       else if (frv_ifcvt.scratch_insns_bitmap
7073 	       && bitmap_bit_p (frv_ifcvt.scratch_insns_bitmap,
7145 	      && regno != (int)REGNO (frv_ifcvt.nested_cc_reg)
7146 	      && TEST_HARD_REG_BIT (frv_ifcvt.nested_cc_ok_rewrite, regno))
7150 				    frv_ifcvt.nested_cc_reg,
7162 	       && REGNO (dest) != REGNO (frv_ifcvt.nested_cc_reg)
7163 	       && TEST_HARD_REG_BIT (frv_ifcvt.nested_cc_ok_rewrite,
7167 	  PUT_MODE (frv_ifcvt.nested_cc_reg, GET_MODE (dest));
7169 	    = gen_rtx_SET (VOIDmode, frv_ifcvt.nested_cc_reg, copy_rtx (src));
7215   rtx p = frv_ifcvt.added_insns_list;
7248   for (i = 0; i < frv_ifcvt.cur_scratch_regs; i++)
7250       rtx insn = emit_insn_before (frv_ifcvt.scratch_regs[i], existing_insn);
7251       if (! frv_ifcvt.scratch_insns_bitmap)
7252 	frv_ifcvt.scratch_insns_bitmap = BITMAP_XMALLOC ();
7253       bitmap_set_bit (frv_ifcvt.scratch_insns_bitmap, INSN_UID (insn));
7254       frv_ifcvt.scratch_regs[i] = NULL_RTX;
7257   frv_ifcvt.added_insns_list = NULL_RTX;
7258   frv_ifcvt.cur_scratch_regs = 0;
7270   rtx p = frv_ifcvt.added_insns_list;
7284   for (i = 0; i < frv_ifcvt.cur_scratch_regs; i++)
7285     frv_ifcvt.scratch_regs[i] = NULL_RTX;
7287   frv_ifcvt.added_insns_list = NULL_RTX;
7288   frv_ifcvt.cur_scratch_regs = 0;