Remove global call sets: recog.c

2019-09-30  Richard Sandiford  <richard.sandiford@arm.com>

gcc/
	* recog.c: Include function-abi.h.
	(peep2_find_free_register): Use crtl->abi when deciding whether
	a register is free for use after RA.

From-SVN: r276330

gcc/ChangeLog

 2019-09-30  Richard Sandiford  <richard.sandiford@arm.com>
 
+	* recog.c: Include function-abi.h.
+	(peep2_find_free_register): Use crtl->abi when deciding whether
+	a register is free for use after RA.
+
+2019-09-30  Richard Sandiford  <richard.sandiford@arm.com>
+
 	* postreload-gcse.c: Include regs.h and function-abi.h.
 	(record_opr_changes): Use insn_callee_abi to get the ABI of the
 	call insn target.  Conservatively assume that partially-clobbered

gcc/recog.c

@@ -40,6 +40,7 @@ along with GCC; see the file COPYING3.  If not see
 #include "cfgcleanup.h"
 #include "reload.h"
 #include "tree-pass.h"
+#include "function-abi.h"
 
 #ifndef STACK_POP_CODE
 #if STACK_GROWS_DOWNWARD
@@ -3227,7 +3228,7 @@ peep2_find_free_register (int from, int to, const char *class_str,
 	      break;
 	    }
 	  /* And that we don't create an extra save/restore.  */
-	  if (! call_used_or_fixed_reg_p (regno + j)
+	  if (! crtl->abi->clobbers_full_reg_p (regno + j)
 	      && ! df_regs_ever_live_p (regno + j))
 	    {
 	      success = 0;