Hi,
I checked this patch into x32 branch.
H.J.
---
commit d1dfec734d8981b05873187443fd758abc93973a
Author: H.J. Lu <hjl.to...@gmail.com>
Date: Sun Jun 5 12:10:01 2011 -0700
Document -mx32.
diff --git a/gcc/ChangeLog.x32 b/gcc/ChangeLog.x32
index 3a5b9e7..8c52f9d 100644
--- a/gcc/ChangeLog.x32
+++ b/gcc/ChangeLog.x32
@@ -1,3 +1,7 @@
+2011-06-05 H.J. Lu <hongjiu...@intel.com>
+
+ * doc/invoke.texi: Document -mx32.
+
2011-05-24 H.J. Lu <hongjiu...@intel.com>
PR rtl-optimization/49114
diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi
index a069042..12080ca 100644
--- a/gcc/doc/invoke.texi
+++ b/gcc/doc/invoke.texi
@@ -609,7 +609,7 @@ Objective-C and Objective-C++ Dialects}.
-mpc32 -mpc64 -mpc80 -mstackrealign @gol
-momit-leaf-frame-pointer -mno-red-zone -mno-tls-direct-seg-refs @gol
-mcmodel=@var{code-model} -mabi=@var{name} @gol
--m32 -m64 -mlarge-data-threshold=@var{num} @gol
+-m32 -m64 -mx32 -mlarge-data-threshold=@var{num} @gol
-msse2avx -mfentry -m8bit-idiv @gol
-mavx256-split-unaligned-load -mavx256-split-unaligned-store}
@@ -12824,14 +12824,18 @@ on AMD x86-64 processors in 64-bit environments.
@table @gcctabopt
@item -m32
@itemx -m64
+@itemx -mx32
@opindex m32
@opindex m64
+@opindex mx32
Generate code for a 32-bit or 64-bit environment.
-The 32-bit environment sets int, long and pointer to 32 bits and
+The -m32 option sets int, long and pointer to 32 bits and
generates code that runs on any i386 system.
-The 64-bit environment sets int to 32 bits and long and pointer
-to 64 bits and generates code for AMD's x86-64 architecture. For
-darwin only the -m64 option turns off the @option{-fno-pic} and
+The -m64 option sets int to 32 bits and long and pointer
+to 64 bits and generates code for AMD's x86-64 architecture.
+The -mx32 option sets int, long and pointer to 32 bits and generates
+code for AMD's x86-64 architecture.
+For darwin only the -m64 option turns off the @option{-fno-pic} and
@option{-mdynamic-no-pic} options.
@item -mno-red-zone
