From 2dfdbf2bb7df2194c3497a2aeea96772e742b020 Mon Sep 17 00:00:00 2001
From: Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
Date: Mon, 19 Oct 2009 15:43:27 +0000
Subject: [PATCH] s390.c (s390_z10_optimize_cmp): Don't touch FP compares.
2009-10-19 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
* config/s390/s390.c (s390_z10_optimize_cmp): Don't touch FP compares.
From-SVN: r152979
---
gcc/ChangeLog | 4 ++++
gcc/config/s390/s390.c | 3 +++
2 files changed, 7 insertions(+)
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 87ccb792d568..c4048a577d9e 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,7 @@
+2009-10-19 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
+
+ * config/s390/s390.c (s390_z10_optimize_cmp): Don't touch FP compares.
+
2009-10-19 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
* config/s390/s390.c (s390_z10_optimize_cmp): Use
diff --git a/gcc/config/s390/s390.c b/gcc/config/s390/s390.c
index c13170d25ca2..a43348192034 100644
--- a/gcc/config/s390/s390.c
+++ b/gcc/config/s390/s390.c
@@ -9864,6 +9864,9 @@ s390_z10_optimize_cmp (rtx insn)
if (!REG_P (*op0) || !REG_P (*op1))
return false;
+ if (GET_MODE_CLASS (GET_MODE (*op0)) != MODE_INT)
+ return false;
+
/* Swap the COMPARE arguments and its mask if there is a
conflicting access in the previous insn. */
prev_insn = prev_active_insn (insn);
--
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