Merge GDB 7.5.1

sim/testsuite/sim/bfin/allinsn.exp

Index: sim/testsuite/sim/bfin/allinsn.exp
diff --git a/sim/testsuite/sim/bfin/allinsn.exp b/sim/testsuite/sim/bfin/allinsn.exp
index 49c868ac7ab8d67b29e1e786bed329f6a0fd730f..aa304eaa9b4ae2aa6a22e98cbb187b90d4e88ac0 100644
--- a/sim/testsuite/sim/bfin/allinsn.exp
+++ b/sim/testsuite/sim/bfin/allinsn.exp
@@ -4,7 +4,35 @@ if [istarget bfin-*-elf] {
     # all machines
     set all_machs "bfin"
 
+    # See if we have a preprocessor available.
+    if { [target_compile $srcdir/$subdir/usp.S compilercheck.x "preprocess" \
+	  [list "incdir=$srcdir/$subdir"]] == "" } {
+	set has_cpp 1
+    } {
+	verbose -log "Can't execute preprocessor"
+	set has_cpp 0
+    }
+
+    # See if we have a compiler available.
+    if { [target_compile $srcdir/$subdir/argc.c compilercheck.x "executable" \
+	  [list "incdir=$srcdir/$subdir" "additional_flags=-msim"]] == "" } {
+	set has_cc 1
+    } {
+	verbose -log "Can't execute C compiler"
+	set has_cc 0
+    }
+
     foreach src [lsort [glob -nocomplain $srcdir/$subdir/*.\[csS\]]] {
+	# If we don't have a compiler available, skip tests :(.
+	if { $has_cpp == 0 && [string match "*.S" $src] } {
+	    untested $src
+	    continue
+	}
+	if { $has_cc == 0 && [string match "*.c" $src] } {
+	    untested $src
+	    continue
+	}
+
 	# If we're only testing specific files and this isn't one of them,
 	# skip it.
 	if ![runtest_file_p $runtests $src] {