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att.h (ASM_FILE_START): Use asm_dialect.

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* att.h (ASM_FILE_START): Use asm_dialect.
	* linux.h (ASM_FILE_START): Likewise.
	* gas.h (ASM_FILE_START): Likewise.
	* i386.c (ix86_debug_arg_string, ix86_debug_addr_string,
	ix86_asm_string, ix86_asm_dialect): New.
	(override_options): Set asm_dialect.
	* i386.h (MASK_MIX_SSE_I387, MASK_INTEL_SYNTAX, MASK_DEBUG_ARG,
	MASK_DEBUG_ADDR): Kill.
	(MASK_64BIT, MASK_NO_RED_ZONE): renumber.
	(TARGET_DEBUG_ADDR, TARGET_DEBUG_ARG): Use string.
	(ASSEMBLER_DIALECT): Use asm_dialect.
	(TARGET_SWITCHES): Undocument deprecated items; deprecate intel-syntax;
	remove debug-addr and debug-arg.
	(TARGET_OPTIONS): Add debug-arg, debug-addr, asm.
	(asm_dialect): New enum.
	(ix86_debug_arg_string, ix86_debug_addr_string,
	ix86_asm_string, ix86_asm_dialect): Declare.
	* invoke.texi (-mintel-syntax): Remove.
	(-masm): Document.

From-SVN: r48160
This commit is contained in:
Jan Hubicka 2001-12-18 16:41:30 +01:00 • committed by Jan Hubicka
parent 114e78f8f0
commit c93e80a5d0
7 changed files with 75 additions and 30 deletions
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22
gcc/ChangeLog
View file

@ -1,3 +1,25 @@
Tue Dec 18 16:39:46 CET 2001 Jan Hubicka <jh@suse.cz>
* att.h (ASM_FILE_START): Use asm_dialect.
* linux.h (ASM_FILE_START): Likewise.
* gas.h (ASM_FILE_START): Likewise.
* i386.c (ix86_debug_arg_string, ix86_debug_addr_string,
ix86_asm_string, ix86_asm_dialect): New.
(override_options): Set asm_dialect.
* i386.h (MASK_MIX_SSE_I387, MASK_INTEL_SYNTAX, MASK_DEBUG_ARG,
MASK_DEBUG_ADDR): Kill.
(MASK_64BIT, MASK_NO_RED_ZONE): renumber.
(TARGET_DEBUG_ADDR, TARGET_DEBUG_ARG): Use string.
(ASSEMBLER_DIALECT): Use asm_dialect.
(TARGET_SWITCHES): Undocument deprecated items; deprecate intel-syntax;
remove debug-addr and debug-arg.
(TARGET_OPTIONS): Add debug-arg, debug-addr, asm.
(asm_dialect): New enum.
(ix86_debug_arg_string, ix86_debug_addr_string,
ix86_asm_string, ix86_asm_dialect): Declare.
* invoke.texi (-mintel-syntax): Remove.
(-masm): Document.
Tue Dec 18 16:37:42 CET 2001 Jan Hubicka <jh@suse.cz>
* libgcc2.c (__bb_exit_func): Kill -ax dumping code.

2
gcc/config/i386/att.h
View file

@ -53,7 +53,7 @@ do \
#define ASM_FILE_START(FILE) \
do { \
output_file_directive (FILE, main_input_filename); \
if (target_flags & MASK_INTEL_SYNTAX) \
if (ix86_asm_dialect == ASM_INTEL) \
fputs ("\t.intel_syntax\n", FILE); \
} while (0)

2
gcc/config/i386/gas.h
View file

@ -166,7 +166,7 @@ Boston, MA 02111-1307, USA. */
#undef ASM_FILE_START
#define ASM_FILE_START(FILE) \
do { \
if (target_flags & MASK_INTEL_SYNTAX) \
if (ix86_asm_dialect == ASM_INTEL) \
fputs ("\t.intel_syntax\n", FILE); \
output_file_directive (FILE, main_input_filename); \
} while (0)

14
gcc/config/i386/i386.c
View file

@ -586,8 +586,13 @@ struct ix86_frame
HOST_WIDE_INT stack_pointer_offset;
};
/* Used to enable/disable debugging features. */
const char *ix86_debug_arg_string, *ix86_debug_addr_string;
/* Code model option as passed by user. */
const char *ix86_cmodel_string;
/* Asm dialect. */
const char *ix86_asm_string;
enum cmodel ix86_asm_dialect = ASM_ATT;
/* Parsed value. */
enum cmodel ix86_cmodel;
@ -931,6 +936,15 @@ override_options ()
if (TARGET_64BIT)
ix86_cmodel = flag_pic ? CM_SMALL_PIC : CM_SMALL;
}
if (ix86_asm_string != 0)
{
if (!strcmp (ix86_asm_string, "intel"))
ix86_asm_dialect = ASM_INTEL;
else if (!strcmp (ix86_asm_string, "att"))
ix86_asm_dialect = ASM_ATT;
else
error ("bad value (%s) for -masm= switch", ix86_asm_string);
}
if ((TARGET_64BIT == 0) != (ix86_cmodel == CM_32))
error ("code model `%s' not supported in the %s bit mode",
ix86_cmodel_string, TARGET_64BIT ? "64" : "32");

54
gcc/config/i386/i386.h
View file

@ -131,14 +131,9 @@ extern int target_flags;
#define MASK_3DNOW_A 0x00400000 /* Support Athlon 3Dnow builtins */
#define MASK_3DNOW_A_SET 0x00800000
#define MASK_128BIT_LONG_DOUBLE 0x01000000 /* long double size is 128bit */
#define MASK_MIX_SSE_I387 0x02000000 /* Mix SSE and i387 instructions */
#define MASK_64BIT 0x04000000 /* Produce 64bit code */
#define MASK_NO_RED_ZONE 0x08000000 /* Do not use red zone */
/* Temporary codegen switches */
#define MASK_INTEL_SYNTAX 0x10000000
#define MASK_DEBUG_ARG 0x20000000 /* function_arg */
#define MASK_DEBUG_ADDR 0x40000000 /* GO_IF_LEGITIMATE_ADDRESS */
#define MASK_64BIT 0x02000000 /* Produce 64bit code */
/* ... overlap with subtarget options starts by 0x04000000. */
#define MASK_NO_RED_ZONE 0x04000000 /* Do not use red zone */
/* Use the floating point instructions */
#define TARGET_80387 (target_flags & MASK_80387)
@ -188,10 +183,10 @@ extern int target_flags;
(target_flags & MASK_OMIT_LEAF_FRAME_POINTER)
/* Debug GO_IF_LEGITIMATE_ADDRESS */
#define TARGET_DEBUG_ADDR (target_flags & MASK_DEBUG_ADDR)
#define TARGET_DEBUG_ADDR (ix86_debug_addr_string != 0)
/* Debug FUNCTION_ARG macros */
#define TARGET_DEBUG_ARG (target_flags & MASK_DEBUG_ARG)
#define TARGET_DEBUG_ARG (ix86_debug_arg_string != 0)
/* 64bit Sledgehammer mode */
#ifdef TARGET_BI_ARCH
@ -273,7 +268,7 @@ extern int x86_prefetch_sse;
#define TARGET_ALIGN_STRINGOPS (!(target_flags & MASK_NO_ALIGN_STROPS))
#define TARGET_INLINE_ALL_STRINGOPS (target_flags & MASK_INLINE_ALL_STROPS)
#define ASSEMBLER_DIALECT ((target_flags & MASK_INTEL_SYNTAX) != 0)
#define ASSEMBLER_DIALECT (ix86_asm_dialect)
#define TARGET_SSE ((target_flags & (MASK_SSE | MASK_SSE2)) != 0)
#define TARGET_SSE2 ((target_flags & MASK_SSE2) != 0)
@ -292,10 +287,12 @@ extern int x86_prefetch_sse;
{ "hard-float", MASK_80387, N_("Use hardware fp") }, \
{ "soft-float", -MASK_80387, N_("Do not use hardware fp") }, \
{ "no-soft-float", MASK_80387, N_("Use hardware fp") }, \
{ "386", 0, N_("Same as -mcpu=i386") }, \
{ "486", 0, N_("Same as -mcpu=i486") }, \
{ "pentium", 0, N_("Same as -mcpu=pentium") }, \
{ "pentiumpro", 0, N_("Same as -mcpu=pentiumpro") }, \
{ "386", 0, N_("") /*Deprecated.*/}, \
{ "486", 0, N_("") /*Deprecated.*/}, \
{ "pentium", 0, N_("") /*Deprecated.*/}, \
{ "pentiumpro", 0, N_("") /*Deprecated.*/}, \
{ "intel-syntax", 0, N_("") /*Deprecated.*/}, \
{ "no-intel-syntax", 0, N_("") /*Deprecated.*/}, \
{ "rtd", MASK_RTD, \
N_("Alternate calling convention") }, \
{ "no-rtd", -MASK_RTD, \
@ -323,18 +320,11 @@ extern int x86_prefetch_sse;
{ "omit-leaf-frame-pointer", MASK_OMIT_LEAF_FRAME_POINTER, \
N_("Omit the frame pointer in leaf functions") }, \
{ "no-omit-leaf-frame-pointer",-MASK_OMIT_LEAF_FRAME_POINTER, "" }, \
{ "debug-addr", MASK_DEBUG_ADDR, 0 /* undocumented */ }, \
{ "no-debug-addr", -MASK_DEBUG_ADDR, 0 /* undocumented */ }, \
{ "debug-arg", MASK_DEBUG_ARG, 0 /* undocumented */ }, \
{ "no-debug-arg", -MASK_DEBUG_ARG, 0 /* undocumented */ }, \
{ "stack-arg-probe", MASK_STACK_PROBE, \
N_("Enable stack probing") }, \
{ "no-stack-arg-probe", -MASK_STACK_PROBE, "" }, \
{ "windows", 0, 0 /* undocumented */ }, \
{ "dll", 0, 0 /* undocumented */ }, \
{ "intel-syntax", MASK_INTEL_SYNTAX, \
N_("Emit Intel syntax assembler opcodes") }, \
{ "no-intel-syntax", -MASK_INTEL_SYNTAX, "" }, \
{ "align-stringops", -MASK_NO_ALIGN_STROPS, \
N_("Align destination of the string operations") }, \
{ "no-align-stringops", MASK_NO_ALIGN_STROPS, \
@ -449,6 +439,12 @@ extern int ix86_arch;
N_("Branches are this expensive (1-5, arbitrary units)") }, \
{ "cmodel=", &ix86_cmodel_string, \
N_("Use given x86-64 code model") }, \
{ "debug-arg", &ix86_debug_arg_string, \
N_("" /* Undocumented. */) }, \
{ "debug-addr", &ix86_debug_addr_string, \
N_("" /* Undocumented. */) }, \
{ "asm=", &ix86_asm_string, \
N_("Use given assembler dialect") }, \
SUBTARGET_OPTIONS \
}
@ -482,7 +478,11 @@ extern int ix86_arch;
%{mpentium:-mcpu=pentium \
%n`-mpentium' is deprecated. Use `-march=pentium' or `-mcpu=pentium' instead.\n} \
%{mpentiumpro:-mcpu=pentiumpro \
%n`-mpentiumpro' is deprecated. Use `-march=pentiumpro' or `-mcpu=pentiumpro' instead.\n}}"
%n`-mpentiumpro' is deprecated. Use `-march=pentiumpro' or `-mcpu=pentiumpro' instead.\n}} \
%{mintel-syntax:-masm=intel \
%n`-mintel-syntax' is deprecated. Use `-masm=intel' instead.\n} \
%{mno-intel-syntax:-masm=att \
%n`-mno-intel-syntax' is deprecated. Use `-masm=att' instead.\n}"
#endif
#define TARGET_CPU_DEFAULT_i386 0
@ -3138,6 +3138,14 @@ enum cmodel {
#define RED_ZONE_SIZE 128
/* Reserved area of the red zone for temporaries. */
#define RED_ZONE_RESERVE 8
extern const char *ix86_debug_arg_string, *ix86_debug_addr_string;
enum asm_dialect {
ASM_ATT,
ASM_INTEL
};
extern const char *ix86_asm_string;
extern enum cmodel ix86_asm_dialect;
/* Valud of -mcmodel specified by user. */
extern const char *ix86_cmodel_string;
extern enum cmodel ix86_cmodel;

2
gcc/config/i386/linux.h
View file

@ -28,7 +28,7 @@ Boston, MA 02111-1307, USA. */
#define ASM_FILE_START(FILE) \
do { \
output_file_directive (FILE, main_input_filename); \
if (target_flags & MASK_INTEL_SYNTAX) \
if (ix86_asm_dialect == ASM_INTEL) \
fputs ("\t.intel_syntax\n", FILE); \
} while (0)

9
gcc/doc/invoke.texi
View file

@ -474,7 +474,7 @@ in the following sections.
@emph{i386 and x86-64 Options}
@gccoptlist{
-mcpu=@var{cpu-type} -march=@var{cpu-type} -mfpmath=@var{unit} @gol
-mintel-syntax -mieee-fp -mno-fancy-math-387 @gol
-masm=@var{dialect} -mno-fancy-math-387 @gol
-mno-fp-ret-in-387 -msoft-float -msvr3-shlib @gol
-mno-wide-multiply -mrtd -malign-double @gol
-mpreferred-stack-boundary=@var{num} @gol
@ -7534,9 +7534,10 @@ still experimental, because gcc register allocator does not model separate
functional units well resulting in instable performance.
@end table
@item -mintel-syntax
@opindex mintel-syntax
Emit assembly using Intel syntax opcodes instead of AT&T syntax.
@item -masm=@var{dialect}
@opindex masm=@var{dialect}
Output asm instructions using selected @var{dialect}. Supported choices are
@samp{intel} or @samp{att} (the default one).
@item -mieee-fp
@itemx -mno-ieee-fp