gas/

2008-01-22  H.J. Lu  <hongjiu.lu@intel.com>

	* config/tc-i386.c (XXX_PREFIX): Moved from tc-i386.h.
	(XXX_MNEM_SUFFIX): Likewise.
	(END_OF_INSN): Likewise.
	(templates): Likewise.
	(modrm_byte): Likewise.
	(rex_byte): Likewise.
	(DREX_XXX): Likewise.
	(drex_byte): Likewise.
	(sib_byte): Likewise.
	(processor_type): Likewise.
	(arch_entry): Likewise.
	(cpu_sub_arch_name): Remove const.
	(cpu_arch): Add .vmx and .smx.
	(set_cpu_arch): Append cpu_sub_arch_name.
	(md_parse_option): Support -march=CPU[,+EXTENSION...].
	(md_show_usage): Updated.

	* config/tc-i386.h (XXX_PREFIX): Moved to tc-i386.c.
	(XXX_MNEM_SUFFIX): Likewise.
	(END_OF_INSN): Likewise.
	(templates): Likewise.
	(modrm_byte): Likewise.
	(rex_byte): Likewise.
	(DREX_XXX): Likewise.
	(drex_byte): Likewise.
	(sib_byte): Likewise.
	(processor_type): Likewise.
	(arch_entry): Likewise.

	* doc/as.texinfo: Update i386 -march option.

	* doc/c-i386.texi: Update -march= for ISA.

gas/testsuite/

2008-01-22  H.J. Lu  <hongjiu.lu@intel.com>

	* gas/i386/arch-10-1.l: New.
	* gas/i386/arch-10-1.s: Likewise.
	* gas/i386/arch-10-2.l: Likewise.
	* gas/i386/arch-10-2.s: Likewise.
	* gas/i386/arch-10-3.l: Likewise.
	* gas/i386/arch-10-3.s: Likewise.
	* gas/i386/arch-10-4.l: Likewise.
	* gas/i386/arch-10-4.s: Likewise.
	* gas/i386/arch-10.d: Likewise.
	* gas/i386/arch-10.s: Likewise.

	* gas/i386/i386.exp: Run arch-10, arch-10-1, arch-10-2,
	arch-10-3 and arch-10-4.

	* gas/i386/nops-2.s: Use movsbl instead of cmove.
	* gas/i386/nops-2-i386.d: Updated.
	* gas/i386/nops-2-merom.d: Likewise.
	* gas/i386/nops-2.d: Likewise.
	* gas/i386/x86-64-nops-2.d: Likewise.

opcodes/

2008-01-22  H.J. Lu  <hongjiu.lu@intel.com>

	* i386-gen.c (cpu_flag_init): Add CPU_VMX_FLAGS and
	CPU_SMX_FLAGS.
	* i386-init.h: Regenerated.

1 files changed, 30 insertions, 5 deletions

diff --git a/gas/doc/c-i386.texi b/gas/doc/c-i386.texi
index 3b1a2ca..721d857 100644
--- a/gas/doc/c-i386.texi
+++ b/gas/doc/c-i386.texi
@@ -78,9 +78,11 @@ affect using @samp{#} for starting a comment.
 
 @cindex @samp{-march=} option, i386
 @cindex @samp{-march=} option, x86-64
-@item -march=@var{CPU}
-This option specifies an instruction set architecture for generating
-instructions.  The following architectures are recognized:
+@item -march=@var{CPU}[+@var{EXTENSION}@dots{}]
+This option specifies the target processor.  The assembler will
+issue an error message if an attempt is made to assemble an instruction
+which will not execute on the target processor.  The following
+processor names are recognized: 
 @code{i8086},
 @code{i186},
 @code{i286},
@@ -106,7 +108,29 @@ instructions.  The following architectures are recognized:
 @code{generic32} and
 @code{generic64}.
 
-This option only affects instructions generated by the assembler. The
+In addition to the basic instruction set, the assembler can be told to 
+accept various extension mnemonics.  For example,
+@code{-march=i686+sse4+vmx} extends @var{i686} with @var{sse4} and
+@var{vmx}.  The following extensions are currently supported:
+@code{mmx},
+@code{sse},
+@code{sse2},
+@code{sse3},
+@code{ssse3},
+@code{sse4.1},
+@code{sse4.2},
+@code{sse4},
+@code{vmx},
+@code{smx},
+@code{3dnow},
+@code{3dnowa},
+@code{sse4a},
+@code{sse5},
+@code{svme},
+@code{abm} and
+@code{padlock}.
+
+When the @code{.arch} directive is used with @option{-march}, the
 @code{.arch} directive will take precedent.
 
 @cindex @samp{-mtune=} option, i386
@@ -117,7 +141,8 @@ conjunction with the @option{-march} option, only instructions
 of the processor specified by the @option{-march} option will be
 generated.
 
-Valid @var{CPU} values are identical to @option{-march=@var{CPU}}.
+Valid @var{CPU} values are identical to the processor list of
+@option{-march=@var{CPU}}.
 
 @cindex @samp{-mmnemonic=} option, i386
 @cindex @samp{-mmnemonic=} option, x86-64