invoke.texi (ARM Options): Update description of -mthumb-interwork.

	* doc/invoke.texi (ARM Options): Update description of
	-mthumb-interwork.

From-SVN: r174811

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 7f53eaf576c6d5f07b34cd11ee8466a46eadae51..fe061baeffd22057dd77489bdab76d8fbb1f1f9a 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2011-06-08  Nick Clifton  <nickc@redhat.com>
+
+       * doc/invoke.texi (ARM Options): Update description of
+       -mthumb-interwork.
+
 2011-06-08  H.J. Lu  <hongjiu.lu@intel.com>
 
        * config/i386/driver-i386.c (host_detect_local_cpu): Support
@@ -48,7 +53,7 @@
        to use gimple_val_nonnegative_real_p.
        * gimple-fold.c (gimple_val_nonnegative_real_p): New function.
        * gimple.h (gimple_val_nonnegative_real_p): New declaration.
-       
+
 2011-06-07  H.J. Lu  <hongjiu.lu@intel.com>
 
        * config/i386/i386.md (*movsf_internal): Optimize AVX check.

diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi
index ab0cf0a9b7e8773d60d58dd88c9e012c90d2d43c..0069f788edb061c14c55606a38026a9ba2062a5a 100644 (file)
--- a/gcc/doc/invoke.texi
+++ b/gcc/doc/invoke.texi
@@ -10180,10 +10180,11 @@ Generate reentrant, position independent code.  The default is
 @item -mthumb-interwork
 @opindex mthumb-interwork
 Generate code which supports calling between the ARM and Thumb
-instruction sets.  Without this option the two instruction sets cannot
-be reliably used inside one program.  The default is
-@option{-mno-thumb-interwork}, since slightly larger code is generated
-when @option{-mthumb-interwork} is specified.
+instruction sets.  Without this option, on pre-v5 architectures, the
+two instruction sets cannot be reliably used inside one program.  The
+default is @option{-mno-thumb-interwork}, since slightly larger code
+is generated when @option{-mthumb-interwork} is specified.  In AAPCS
+configurations this option is meaningless.
 
 @item -mno-sched-prolog
 @opindex mno-sched-prolog