sourcebuild.texi (Torture Tests): Add ADDITIONAL_TORTURE_OPTIONS.

gcc/
	* doc/sourcebuild.texi (Torture Tests): Add ADDITIONAL_TORTURE_OPTIONS.
gcc/testsuite/
	* lib/c-torture.exp: Use ADDITIONAL_TORTURE_OPTIONS if defined.
	* lib/gcc-dg.exp: Ditto.
	* lib/fortran-torture.exp: Ditto.
	* lib/objc-torture.exp: Ditto.

From-SVN: r141630

gcc/ChangeLog

+2008-11-05  Janis Johnson  <janis187@us.ibm.com>
+
+	* doc/sourcebuild.texi (Torture Tests): Add ADDITIONAL_TORTURE_OPTIONS.
+
 2008-11-06  Ben Elliston  <bje@au.ibm.com>	
 
 	* config/rs6000/rs6000.c (rs6000_override_options): Comment fix.

gcc/doc/sourcebuild.texi

@@ -1573,4 +1573,12 @@ to call the torture procedures if the tests should use the list in
 @var{DG_TORTURE_OPTIONS} defined in @file{gcc-dg.exp}.
 
 Most uses of torture options can override the default lists by defining
-@var{TORTURE_OPTIONS} in a @file{.dejagnurc} file.
+@var{TORTURE_OPTIONS} or add to the default list by defining
+@var{ADDITIONAL_TORTURE_OPTIONS}.  Define these in a @file{.dejagnurc}
+file or add them to the @file{site.exp} file; for example
+
+@smallexample
+set ADDITIONAL_TORTURE_OPTIONS  [list @\
+  @{ -O2 -ftree-loop-linear @} @\
+  @{ -O2 -fpeel-loops @} ]
+@end smallexample

gcc/testsuite/ChangeLog

+2008-11-05  Janis Johnson  <janis187@us.ibm.com>
+
+	* lib/c-torture.exp: Use ADDITIONAL_TORTURE_OPTIONS if defined.
+	* lib/gcc-dg.exp: Ditto.
+	* lib/fortran-torture.exp: Ditto.
+	* lib/objc-torture.exp: Ditto.
+
 2008-11-05  Michael Meissner  <meissner@linux.vnet.ibm.com>
 
 	PR target/38025

gcc/testsuite/lib/c-torture.exp

@@ -43,6 +43,11 @@ if [info exists TORTURE_OPTIONS] {
 	{ -Os } ]
 }
 
+if [info exists ADDITIONAL_TORTURE_OPTIONS] {
+    set C_TORTURE_OPTIONS \
+	[concat $C_TORTURE_OPTIONS $ADDITIONAL_TORTURE_OPTIONS]
+}
+
 global GCC_UNDER_TEST
 if ![info exists GCC_UNDER_TEST] {
     set GCC_UNDER_TEST "[find_gcc]"

gcc/testsuite/lib/fortran-torture.exp

@@ -82,6 +82,10 @@ proc get-fortran-torture-options { } {
 	lappend options $vectorizer_options
     }
 
+    if [info exists ADDITIONAL_TORTURE_OPTIONS] {
+	set options [concat $options $ADDITIONAL_TORTURE_OPTIONS]
+    }
+
     return $options
 }
 

gcc/testsuite/lib/gcc-dg.exp

@@ -53,6 +53,11 @@ if [info exists TORTURE_OPTIONS] {
 	{ -Os } ]
 }
 
+if [info exists ADDITIONAL_TORTURE_OPTIONS] {
+    set DG_TORTURE_OPTIONS \
+	[concat $DG_TORTURE_OPTIONS $ADDITIONAL_TORTURE_OPTIONS]
+}
+
 global GCC_UNDER_TEST
 if ![info exists GCC_UNDER_TEST] {
     set GCC_UNDER_TEST "[find_gcc]"

gcc/testsuite/lib/objc-torture.exp

@@ -60,6 +60,11 @@ if [info exists TORTURE_OPTIONS] {
 	" -Os " ]
 }
 
+if [info exists ADDITIONAL_TORTURE_OPTIONS] {
+  set OBJC_TORTURE_OPTIONS \
+	[concat $OBJC_TORTURE_OPTIONS $ADDITIONAL_TORTURE_OPTIONS]
+}
+
 #
 # objc-torture-compile -- runs the Tege OBJC-torture test
 #