[committed]: Minor improvement in gas/config/tc-alpha.c:s_alpha_linkage

[committed]: Minor improvement in gas/config/tc-alpha.c:s_alpha_linkage

[Tristan Gingold]

Hi,

this minor patch slightly makes the code more readable by making it shorter and adding two comments.

Tristan.

gas/
2011-08-26  Tristan Gingold  <gingold@adacore.com>

	* config/tc-alpha.c (s_alpha_linkage): Simplify.  Add comments.

RCS file: /cvs/src/src/gas/config/tc-alpha.c,v
retrieving revision 1.97
diff -c -r1.97 tc-alpha.c
*** tc-alpha.c	26 Aug 2011 13:16:36 -0000	1.97
--- tc-alpha.c	26 Aug 2011 13:25:27 -0000
***************
*** 4701,4731 ****
        p = frag_more (LKP_S_K_SIZE);
        memset (p, 0, LKP_S_K_SIZE);
        fixp = fix_new_exp
! 	(frag_now, p - frag_now->fr_literal, LKP_S_K_SIZE, &exp, 0,\
  	 BFD_RELOC_ALPHA_LINKAGE);
  
        linkage_fixup = (struct alpha_linkage_fixups *)
  	xmalloc (sizeof (struct alpha_linkage_fixups));
- 
        linkage_fixup->fixp = fixp;
!       linkage_fixup->next = 0;
! 
!       if (alpha_insn_label == 0)
! 	alpha_insn_label = symbol_new
! 	  (FAKE_LABEL_NAME, now_seg, (valueT) frag_now_fix (), frag_now);
        linkage_fixup->label = alpha_insn_label;
  
!       if (alpha_linkage_fixup_root == 0)
! 	{
! 	  alpha_linkage_fixup_root = alpha_linkage_fixup_tail = linkage_fixup;
! 	  alpha_linkage_fixup_tail->next = 0;
! 	}
        else
! 	{
! 	  alpha_linkage_fixup_tail->next = linkage_fixup;
! 	  alpha_linkage_fixup_tail = linkage_fixup;
! 	  alpha_linkage_fixup_tail->next = 0;
! 	}
      }
    demand_empty_rest_of_line ();
  }
--- 4701,4726 ----
        p = frag_more (LKP_S_K_SIZE);
        memset (p, 0, LKP_S_K_SIZE);
        fixp = fix_new_exp
! 	(frag_now, p - frag_now->fr_literal, LKP_S_K_SIZE, &exp, 0,
  	 BFD_RELOC_ALPHA_LINKAGE);
  
+       if (alpha_insn_label == NULL)
+ 	alpha_insn_label = symbol_new
+ 	  (FAKE_LABEL_NAME, now_seg, (valueT) frag_now_fix (), frag_now);
+ 
+       /* Create a linkage element.  */
        linkage_fixup = (struct alpha_linkage_fixups *)
  	xmalloc (sizeof (struct alpha_linkage_fixups));
        linkage_fixup->fixp = fixp;
!       linkage_fixup->next = NULL;
        linkage_fixup->label = alpha_insn_label;
  
!       /* Append it to the list.  */
!       if (alpha_linkage_fixup_root == NULL)
!         alpha_linkage_fixup_root = linkage_fixup;
        else
!         alpha_linkage_fixup_tail->next = linkage_fixup;
!       alpha_linkage_fixup_tail = linkage_fixup;
      }
    demand_empty_rest_of_line ();
  }