re PR target/84829 (-mieee-fp causes to link with -lieee but that is no longer available)

2018-07-12  Richard Biener  <rguenther@suse.de>

	PR target/84829
	* config/gnu-user.h (GNU_USER_TARGET_NO_PTHREADS_LIB_SPEC):
	Remove -mieee-fp handling.

	* gcc.target/i386/pr84829.c: New testcase.

From-SVN: r262582

gcc/ChangeLog

 2018-07-12  Richard Biener  <rguenther@suse.de>
 
+	PR target/84829
+	* config/gnu-user.h (GNU_USER_TARGET_NO_PTHREADS_LIB_SPEC):
+	Remove -mieee-fp handling.
+
+2018-07-12  Richard Biener  <rguenther@suse.de>
+
 	* tree-ssa-sccvn.c (vn_lookup_simplify_result): Remove bogus
 	left-over from last patch.
 

gcc/config/gnu-user.h

@@ -120,7 +120,7 @@ see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
 
 #define GNU_USER_TARGET_NO_PTHREADS_LIB_SPEC \
   "%{shared:-lc} \
-   %{!shared:%{mieee-fp:-lieee} %{profile:-lc_p}%{!profile:-lc}}"
+   %{!shared:%{profile:-lc_p}%{!profile:-lc}}"
 
 #define GNU_USER_TARGET_LIB_SPEC \
   "%{pthread:-lpthread} " \

gcc/testsuite/ChangeLog

+2018-07-12  Richard Biener  <rguenther@suse.de>
+
+	PR target/84829
+	* gcc.target/i386/pr84829.c: New testcase.
+
 2018-07-12  Jakub Jelinek  <jakub@redhat.com>
 
 	* gcc.dg/torture/20180712-1.c: New test.

gcc/testsuite/gcc.target/i386/pr84829.c

+/* { dg-do link } */
+/* { dg-options "-mieee-fp" } */
+
+int main()
+{
+  return 0;
+}