From: Jim Wilson <wilson@gcc.gnu.org>
Date: Wed, 1 Jun 1994 00:17:00 +0000 (-0700)
Subject: (copy_loop_body): Copy CALL_INSN_FUNCTION_USAGE field.
X-Git-Tag: misc/cutover-egcs-0~6537
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2d98fe23f49f43dae201f5e8a4fe93f0c1896449;p=thirdparty%2Fgcc.git

(copy_loop_body): Copy CALL_INSN_FUNCTION_USAGE field.

From-SVN: r7406
---

diff --git a/gcc/unroll.c b/gcc/unroll.c
index 66e63d7af0e6..aba78dcf28d3 100644
--- a/gcc/unroll.c
+++ b/gcc/unroll.c
@@ -1829,6 +1829,11 @@ copy_loop_body (copy_start, copy_end, map, exit_label, last_iteration,
 	  copy = emit_call_insn (pattern);
 	  REG_NOTES (copy) = initial_reg_note_copy (REG_NOTES (insn), map);
 
+	  /* Because the USAGE information potentially contains objects other
+	     than hard registers, we need to copy it.  */
+	  CALL_INSN_FUNCTION_USAGE (copy) =
+	     copy_rtx_and_substitute (CALL_INSN_FUNCTION_USAGE (insn), map);
+
 #ifdef HAVE_cc0
 	  if (cc0_insn)
 	    try_constants (cc0_insn, map);