From: Vladimir Makarov <vmakarov@redhat.com>
Date: Mon, 1 Feb 2010 19:52:42 +0000 (+0000)
Subject: re PR target/41399 (Scheduler gives huge dependence graph compiling fortran/intrinsic... 
X-Git-Tag: releases/gcc-4.5.0~961
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=6eeea7a76e7741882185847fd061bb8ff59c4c1e;p=thirdparty%2Fgcc.git

re PR target/41399 (Scheduler gives huge dependence graph compiling fortran/intrinsic.c on ARM)

2010-02-01  Vladimir Makarov  <vmakarov@redhat.com>

	PR target/41399
	* sched-deps.c (sched_analyze_insn): Ignore fixed registers for
	implicitly set registers.

From-SVN: r156431
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index c52c23b72424..0755576afa69 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2010-02-01  Vladimir Makarov  <vmakarov@redhat.com>
+
+	PR target/41399
+	* sched-deps.c (sched_analyze_insn): Ignore fixed registers for
+	implicitly set registers.
+
 2010-02-01  Richard Earnshaw  <rearnsha@arm.com>
 
 	* arm.c (FL_FOR_ARCH_7A): is also a superset of ARMv6K.
diff --git a/gcc/sched-deps.c b/gcc/sched-deps.c
index 21632c3b5ed9..8a6a860ec923 100644
--- a/gcc/sched-deps.c
+++ b/gcc/sched-deps.c
@@ -2623,6 +2623,7 @@ sched_analyze_insn (struct deps *deps, rtx x, rtx insn)
       extract_insn (insn);
       preprocess_constraints ();
       ira_implicitly_set_insn_hard_regs (&temp);
+      AND_COMPL_HARD_REG_SET (temp, ira_no_alloc_regs);
       IOR_HARD_REG_SET (implicit_reg_pending_clobbers, temp);
     }