invoke.texi (mwords-little-endian): Deprecate.

gcc/
	* doc/invoke.texi (mwords-little-endian): Deprecate.
	* config/arm/arm.opt (mwords-little-endian): Likewise.
	* config/arm/arm.c (arm_option_override): Warn about the deprecation
	of -mwords-little-endian.

From-SVN: r175981

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index ea7c24b94b7a01323c9cefae69da6f4d199c3fd2..1c481de1f586bf7a6ff6385ea017823c8870012d 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,10 @@
+2011-07-07  Richard Sandiford  <richard.sandiford@linaro.org>
+
+       * doc/invoke.texi (mwords-little-endian): Deprecate.
+       * config/arm/arm.opt (mwords-little-endian): Likewise.
+       * config/arm/arm.c (arm_option_override): Warn about the deprecation
+       of -mwords-little-endian.
+
 2011-07-07  Richard Sandiford  <richard.sandiford@linaro.org>
 
        * reload1.c (choose_reload_regs): Use mode sizes to check whether

diff --git a/gcc/config/arm/arm.c b/gcc/config/arm/arm.c
index 0e371f3016789a2083800dc9642c7284057c2e64..d9763d23509fdcced368624fdb8c4d125b35996b 100644 (file)
--- a/gcc/config/arm/arm.c
+++ b/gcc/config/arm/arm.c
@@ -1479,6 +1479,10 @@ arm_option_override (void)
   if (TARGET_APCS_FLOAT)
     warning (0, "passing floating point arguments in fp regs not yet supported");
 
+  if (TARGET_LITTLE_WORDS)
+    warning (OPT_Wdeprecated, "%<mwords-little-endian%> is deprecated and "
+            "will be removed in a future release");
+
   /* Initialize boolean versions of the flags, for use in the arm.md file.  */
   arm_arch3m = (insn_flags & FL_ARCH3M) != 0;
   arm_arch4 = (insn_flags & FL_ARCH4) != 0;

diff --git a/gcc/config/arm/arm.opt b/gcc/config/arm/arm.opt
index 48a5cb346f74ab45d189e80ee6fdb0224dbb8735..be5fd3c538316a84d0358ca88aacab0a81634611 100644 (file)
--- a/gcc/config/arm/arm.opt
+++ b/gcc/config/arm/arm.opt
@@ -235,7 +235,7 @@ Tune code for the given processor
 
 mwords-little-endian
 Target Report RejectNegative Mask(LITTLE_WORDS)
-Assume big endian bytes, little endian words
+Assume big endian bytes, little endian words.  This option is deprecated.
 
 mvectorize-with-neon-quad
 Target Report Mask(NEON_VECTORIZE_QUAD)

diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi
index 0be0f4d125b78611f987c9effa19daf8efde5c43..c8ec451510bde97f4e0ce496c800603fc4e34833 100644 (file)
--- a/gcc/doc/invoke.texi
+++ b/gcc/doc/invoke.texi
@@ -10241,7 +10241,7 @@ Generate code for a little-endian word order but a big-endian byte
 order.  That is, a byte order of the form @samp{32107654}.  Note: this
 option should only be used if you require compatibility with code for
 big-endian ARM processors generated by versions of the compiler prior to
-2.8.
+2.8.  This option is now deprecated.
 
 @item -mcpu=@var{name}
 @opindex mcpu