From: Uros Bizjak <ubizjak@gmail.com>
Date: Wed, 19 Nov 2014 23:29:51 +0000 (+0100)
Subject: re PR target/63947 (Wrong fcmov suffix)
X-Git-Tag: releases/gcc-4.8.4~112
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6f179883a83ff12dbf00ec5f03e507e371f9fc07;p=thirdparty%2Fgcc.git

re PR target/63947 (Wrong fcmov suffix)

	PR target/63947
	* config/i386/i386.c (put_condition_code) <case LTU, case GEU>:
	Output "b" and "nb" suffix for FP mode.

testsuite/ChangeLog:

	PR target/63947
	* gcc.target/i386/pr63947.c: New test.

From-SVN: r217819
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 6545ecee992b..8aac0ff85b0a 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2014-11-19  Uros Bizjak  <ubizjak@gmail.com>
+
+	PR target/63947
+	* config/i386/i386.c (put_condition_code) <case LTU, case GEU>:
+	Output "b" and "nb" suffix for FP mode.
+
 2014-11-19  Tom de Vries  <tom@codesourcery.com>
 
 	Backport from mainline
diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c
index 568e574f0d47..9b24efce9c2f 100644
--- a/gcc/config/i386/i386.c
+++ b/gcc/config/i386/i386.c
@@ -13800,7 +13800,7 @@ put_condition_code (enum rtx_code code, enum machine_mode mode, bool reverse,
       if (mode == CCmode)
 	suffix = "b";
       else if (mode == CCCmode)
-	suffix = "c";
+	suffix = fp ? "b" : "c";
       else
 	gcc_unreachable ();
       break;
@@ -13823,9 +13823,9 @@ put_condition_code (enum rtx_code code, enum machine_mode mode, bool reverse,
       break;
     case GEU:
       if (mode == CCmode)
-	suffix = fp ? "nb" : "ae";
+	suffix = "nb";
       else if (mode == CCCmode)
-	suffix = "nc";
+	suffix = fp ? "nb" : "nc";
       else
 	gcc_unreachable ();
       break;
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 978c74bb9058..df6a22dc4269 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2014-11-19  Uros Bizjak  <ubizjak@gmail.com>
+
+	PR target/63947
+	* gcc.target/i386/pr63947.c: New test.
+
 2014-11-19  Tom de Vries  <tom@codesourcery.com>
 
 	Backport from mainline
diff --git a/gcc/testsuite/gcc.target/i386/pr63947.c b/gcc/testsuite/gcc.target/i386/pr63947.c
new file mode 100644
index 000000000000..3c0a67a73ae2
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/pr63947.c
@@ -0,0 +1,9 @@
+/* PR target/63947 */
+/* { dg-do assemble } */
+/* { dg-options "-Os" } */
+/* { dg-additional-options "-march=i686" { target ia32 } } */
+
+long double foo (unsigned a, unsigned b)
+{
+  return a + b < a;
+}