gcc4/gcc/reload1.c

48 /* This file contains the reload pass of the compiler, which is
272    place to pass a scratch register.  */
447 /* Initialize the reload pass once per compilation.  */
635 /* Main entry point for the reload pass.
755 		 include a register.  We promise to only pass
838      eliminated.  Doing this scan here eliminates an extra pass through the
951 		   will be set up for this pseudo on the next pass around
980       /* If we allocated any new memory locations, make another pass
1006 		 not eliminate, we must run another pass.
1009 		 reference an eliminable register.  We must make another pass
1154   /* Make a pass over all the insns and delete all USEs which we inserted
2583       /* Our only special processing is to pass the mode of the MEM to our
2829       /* Our only special processing is to pass the mode of the MEM to our
3291      of spill registers to be needed in the final reload pass than in
3677 	 hard reg in a later pass.  */
3899       /* If we pass a label, copy the offsets from the label information
3935 	     the first pass for every insn that needs register elimination.
5196   int i, pass, count;
5225   for (pass = 0; pass < 2; pass++)
5258 	      && (pass
5295       /* If we found something on pass 1, omit pass 2.  */
5381   int pass, win, inheritance;
5432 	 described above.  In the first pass we try to inherit a reload
5435 	 also allocate a spill register during the first pass.
5437 	 Then make a second pass over the reloads to allocate any reloads
5943 	 pass are identical to the ones we have now.  */
5963   /* If doing expensive optimizations, do one preliminary pass that doesn't
5966   for (pass = flag_expensive_optimizations; pass >= 0; pass--)
5986 	      if (pass)
6001 	     pass just to remove such reloads, make another pass, since the
6005 		   && remove_address_replacements (rld[r].in) && pass)
6006 	    pass = 2;
6312      We can pass 0 as the reload_reg_p argument because
7591 	 but we need to pass the insn as an operand to `recog' and
7831      pass through the reload reg and end up here.
8224 /* This is used by reload pass, that does emit some instructions after