From: Richard Kenner <kenner@gcc.gnu.org>
Date: Sun, 31 Mar 1996 22:59:20 +0000 (-0500)
Subject: (schedule_block): CALL_INSNs don't affect fixed regs.
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=4cf8614f1e706a27ca33d289a0c82a9315e55926;p=platform%2Fupstream%2Fgcc.git

(schedule_block): CALL_INSNs don't affect fixed regs.

From-SVN: r11648
---

diff --git a/gcc/sched.c b/gcc/sched.c
index d690a82..0617be3 100644
--- a/gcc/sched.c
+++ b/gcc/sched.c
@@ -3823,7 +3823,8 @@ schedule_block (b, file)
 		     for those mentioned in the call pattern which will be
 		     made live again later.  */
 		  for (i = 0; i < FIRST_PSEUDO_REGISTER; i++)
-		    if (call_used_regs[i] || global_regs[i])
+		    if ((call_used_regs[i] && ! fixed_regs[i])
+			|| global_regs[i])
 		      {
 			register int offset = i / REGSET_ELT_BITS;
 			register REGSET_ELT_TYPE bit