From: Alexandre Oliva <aoliva@redhat.com>
Date: Wed, 4 May 2011 03:37:53 +0000 (+0000)
Subject: re PR other/48093 (-mtls-dialect= is undocumented)
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=4868e6ea1e3a2c095bc6615475299dd7d1e1e5a0;p=gcc.git

re PR other/48093 (-mtls-dialect= is undocumented)

PR other/48093
* doc/invoke.texi: Document -mtls-dialect and GCC_COMPARE_DEBUG.

From-SVN: r173352
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index ed3031f56ba..8fe62ad5606 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2011-05-04  Alexandre Oliva  <aoliva@redhat.com>
+
+	PR other/48093
+	* doc/invoke.texi: Document -mtls-dialect and GCC_COMPARE_DEBUG.
+
 2011-05-04  Alexandre Oliva  <aoliva@redhat.com>
 
 	PR debug/47994
diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi
index 98513fb6944..8602923e85f 100644
--- a/gcc/doc/invoke.texi
+++ b/gcc/doc/invoke.texi
@@ -12581,6 +12581,13 @@ SYSV ABI.  You can control this behavior for a specific function by
 using the function attribute @samp{ms_abi}/@samp{sysv_abi}.
 @xref{Function Attributes}.
 
+@item -mtls-dialect=@var{type}
+@opindex mtls-dialect
+Generate code to access thread-local storage using the @samp{gnu} or
+@samp{gnu2} conventions.  @samp{gnu} is the conservative default;
+@samp{gnu2} is more efficient, but it may add compile- and run-time
+requirements that cannot be satisfied on all systems.
+
 @item -mpush-args
 @itemx -mno-push-args
 @opindex mpush-args
@@ -18239,6 +18246,12 @@ compilation which is to be used as input to the next stage: for example,
 the output of the preprocessor, which is the input to the compiler
 proper.
 
+@item GCC_COMPARE_DEBUG
+@findex GCC_COMPARE_DEBUG
+Setting @env{GCC_COMPARE_DEBUG} is nearly equivalent to passing
+@option{-fcompare-debug} to the compiler driver.  See the documentation
+of this option for more details.
+
 @item GCC_EXEC_PREFIX
 @findex GCC_EXEC_PREFIX
 If @env{GCC_EXEC_PREFIX} is set, it specifies a prefix to use in the