i386.h (MASK_64BIT): New constant.

* i386.h (MASK_64BIT): New constant. (TARGET_64BIT): New macro. (TARGET_OPTIONS): Add '64'/'32' (TARGET_DEFAULT): Define. * cygwin.h freebsd-aout.h i386-interix.h i386.h i386elf.h isc.h isccoff.h netbsd.h next.h openbsd.h p sco.h sco5.h scodbx.h sequent.h unix.h win32.h (TARGET_DEFAULT): Rename to TARGET_SUBTARGET_DEFAULT. From-SVN: r40345

i386.h (MASK_64BIT): New constant.
* i386.h (MASK_64BIT): New constant. (TARGET_64BIT): New macro. (TARGET_OPTIONS): Add '64'/'32' (TARGET_DEFAULT): Define. * cygwin.h freebsd-aout.h i386-interix.h i386.h i386elf.h isc.h isccoff.h netbsd.h next.h openbsd.h p sco.h sco5.h scodbx.h sequent.h unix.h win32.h (TARGET_DEFAULT): Rename to TARGET_SUBTARGET_DEFAULT. From-SVN: r40345
25f94bb5 · Jan Hubicka · Jan Hubicka · b891e06c · 25f94bb5 · 25f94bb5
Commit 25f94bb5 authored Mar 09, 2001 by Jan Hubicka Committed by Jan Hubicka Mar 09, 2001
16 changed files
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
+Fri Mar  9 17:38:08 CET 2001  Jan Hubicka  <jh@suse.cz>
+
+	* i386.h (mask_64bit): New constant.
+	(target_64bit): New macro.
+	(target_options): Add '64'/'32'
+	(target_default): Define.
+	* cygwin.h freebsd-aout.h i386-interix.h i386.h i386elf.h isc.h
+	isccoff.h netbsd.h next.h openbsd.h p sco.h sco5.h scodbx.h sequent.h
+	unix.h win32.h (TARGET_DEFAULT): Rename to TARGET_SUBTARGET_DEFAULT.
+
 Thu Mar  8 23:36:56 2001  Jeffrey A Law  (law@cygnus.com)

 	* config/pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Disable.

--- a/gcc/config/i386/cygwin.h
+++ b/gcc/config/i386/cygwin.h
@@ -391,9 +391,9 @@ do {							\

 /* By default, target has a 80387, uses IEEE compatible arithmetic,
   and returns float values in the 387 and needs stack probes */
-#undef TARGET_DEFAULT
+#undef TARGET_SUBTARGET_DEFAULT

-#define TARGET_DEFAULT \
+#define TARGET_SUBTARGET_DEFAULT \
   (MASK_80387 | MASK_IEEE_FP | MASK_FLOAT_RETURNS | MASK_STACK_PROBE) 

 /* This is how to output an assembler line

--- a/gcc/config/i386/freebsd-aout.h
+++ b/gcc/config/i386/freebsd-aout.h
@@ -30,8 +30,8 @@ Boston, MA 02111-1307, USA.  */
 #include "i386/gstabs.h"

 /* This goes away when the math-emulator is fixed */
-#undef TARGET_DEFAULT
-#define TARGET_DEFAULT \
+#undef TARGET_SUBTARGET_DEFAULT
+#define TARGET_SUBTARGET_DEFAULT \
  (MASK_80387 | MASK_IEEE_FP | MASK_FLOAT_RETURNS | MASK_NO_FANCY_MATH_387)

 #undef CPP_PREDEFINES

--- a/gcc/config/i386/i386-interix.h
+++ b/gcc/config/i386/i386-interix.h
@@ -40,8 +40,8 @@ Boston, MA 02111-1307, USA.  */
 /* By default, target has a 80387, uses IEEE compatible arithmetic,
   and returns float values in the 387 and needs stack probes
   We also align doubles to 64-bits for MSVC default compatability */
-#undef TARGET_DEFAULT
-#define TARGET_DEFAULT \
+#undef TARGET_SUBTARGET_DEFAULT
+#define TARGET_SUBTARGET_DEFAULT \
   (MASK_80387 | MASK_IEEE_FP | MASK_FLOAT_RETURNS | MASK_STACK_PROBE | \
    MASK_ALIGN_DOUBLE)


--- a/gcc/config/i386/i386.h
+++ b/gcc/config/i386/i386.h
@@ -119,6 +119,7 @@ extern int target_flags;
 #define MASK_SSE2		0x00040000	/* Support SSE2 regs/builtins */
 #define MASK_128BIT_LONG_DOUBLE 0x00080000	/* long double size is 128bit */
 #define MASK_MIX_SSE_I387	0x00100000	/* Mix SSE and i387 instructions */
+#define MASK_64BIT		0x00200000	/* Produce 64bit code */

 /* Temporary codegen switches */
 #define MASK_INTEL_SYNTAX	0x00000200
@@ -178,6 +179,9 @@ extern int target_flags;
 /* Debug FUNCTION_ARG macros */
 #define TARGET_DEBUG_ARG (target_flags & MASK_DEBUG_ARG)

+/* 64bit Sledgehammer mode */
+#define TARGET_64BIT (target_flags & MASK_64BIT)
+
 #define TARGET_386 (ix86_cpu == PROCESSOR_I386)
 #define TARGET_486 (ix86_cpu == PROCESSOR_I486)
 #define TARGET_PENTIUM (ix86_cpu == PROCESSOR_PENTIUM)
@@ -330,9 +334,19 @@ extern const int x86_partial_reg_dependency, x86_memory_mismatch_stall;
    N_("sizeof(long double) is 16.") },					      \
  { "96bit-long-double",	-MASK_128BIT_LONG_DOUBLE,		      \
    N_("sizeof(long double) is 12.") },					      \
+  { "64",			MASK_64BIT,				      \
+    N_("Generate 64bit x86-64 code") },					      \
+  { "32",			-MASK_64BIT,				      \
+    N_("Generate 32bit i386 code") },					      \
  SUBTARGET_SWITCHES							      \
  { "", TARGET_DEFAULT, 0 }}

+#ifdef TARGET_64BIT_DEFAULT
+#define TARGET_DEFAULT (MASK_64BIT | TARGET_SUBTARGET_DEFAULT)
+#else
+#define TARGET_DEFAULT TARGET_SUBTARGET_DEFAULT
+#endif
+
 /* Which processor to schedule for. The cpu attribute defines a list that
   mirrors this list, so changes to i386.md must be made at the same time.  */


--- a/gcc/config/i386/i386elf.h
+++ b/gcc/config/i386/i386elf.h
@@ -29,7 +29,7 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
 /* By default, target has a 80387, uses IEEE compatible arithmetic,
   and returns float values in the 387.  */

-#define TARGET_DEFAULT (MASK_80387 | MASK_IEEE_FP | MASK_FLOAT_RETURNS)
+#define TARGET_SUBTARGET_DEFAULT (MASK_80387 | MASK_IEEE_FP | MASK_FLOAT_RETURNS)

 /* The ELF ABI for the i386 says that records and unions are returned
   in memory.  */

--- a/gcc/config/i386/isc.h
+++ b/gcc/config/i386/isc.h
@@ -58,8 +58,8 @@
   opcode.  fucomp is only used when generating IEEE compliant code.
   So don't make TARGET_IEEE_FP default for ISC. */

-#undef TARGET_DEFAULT
-#define TARGET_DEFAULT (MASK_80387 | MASK_FLOAT_RETURNS)
+#undef TARGET_SUBTARGET_DEFAULT
+#define TARGET_SUBTARGET_DEFAULT (MASK_80387 | MASK_FLOAT_RETURNS)

 /* The ISC 2.0.2 software FPU emulator apparently can't handle
   80-bit XFmode insns, so don't generate them.  */

--- a/gcc/config/i386/netbsd.h
+++ b/gcc/config/i386/netbsd.h
@@ -10,8 +10,8 @@
 #include <netbsd.h>

 /* This goes away when the math-emulator is fixed */
-#undef TARGET_DEFAULT
-#define TARGET_DEFAULT \
+#undef TARGET_SUBTARGET_DEFAULT
+#define TARGET_SUBTARGET_DEFAULT \
  (MASK_80387 | MASK_IEEE_FP | MASK_FLOAT_RETURNS | MASK_NO_FANCY_MATH_387)

 #undef CPP_PREDEFINES

--- a/gcc/config/i386/next.h
+++ b/gcc/config/i386/next.h
@@ -23,8 +23,8 @@ Boston, MA 02111-1307, USA.  */

 /* By default, target has a 80387, with IEEE FP.  */

-#undef	TARGET_DEFAULT
-#define TARGET_DEFAULT  (MASK_80387 | MASK_IEEE_FP)
+#undef	TARGET_SUBTARGET_DEFAULT
+#define TARGET_SUBTARGET_DEFAULT  (MASK_80387 | MASK_IEEE_FP)

 /* Implicit library calls should use memcpy, not bcopy, etc.  */


--- a/gcc/config/i386/openbsd.h
+++ b/gcc/config/i386/openbsd.h
@@ -31,8 +31,8 @@ Boston, MA 02111-1307, USA.  */
 #include <openbsd.h>

 /* This goes away when the math-emulator is fixed */
-#undef TARGET_DEFAULT
-#define TARGET_DEFAULT \
+#undef TARGET_SUBTARGET_DEFAULT
+#define TARGET_SUBTARGET_DEFAULT \
  (MASK_80387 | MASK_IEEE_FP | MASK_FLOAT_RETURNS | MASK_NO_FANCY_MATH_387)

 /* Run-time target specifications */

--- a/gcc/config/i386/sco.h
+++ b/gcc/config/i386/sco.h
@@ -31,8 +31,8 @@ Boston, MA 02111-1307, USA.  */
   opcode.  fucomp is only used when generating IEEE compliant code.
   So don't make TARGET_IEEE_FP default for SCO. */

-#undef TARGET_DEFAULT
-#define TARGET_DEFAULT (MASK_80387 | MASK_FLOAT_RETURNS)
+#undef TARGET_SUBTARGET_DEFAULT
+#define TARGET_SUBTARGET_DEFAULT (MASK_80387 | MASK_FLOAT_RETURNS)

 /* Let's guess that the SCO software FPU emulator can't handle
   80-bit XFmode insns, so don't generate them.  */

--- a/gcc/config/i386/sco5.h
+++ b/gcc/config/i386/sco5.h
@@ -708,8 +708,8 @@ dtors_section ()							\
  && strcmp (STR, "Tdata") && strcmp (STR, "Ttext")			\
  && strcmp (STR, "Tbss"))

-#undef TARGET_DEFAULT
-#define TARGET_DEFAULT (MASK_80387 | MASK_IEEE_FP | MASK_FLOAT_RETURNS)
+#undef TARGET_SUBTARGET_DEFAULT
+#define TARGET_SUBTARGET_DEFAULT (MASK_80387 | MASK_IEEE_FP | MASK_FLOAT_RETURNS)

 #undef HANDLE_SYSV_PRAGMA
 #define HANDLE_SYSV_PRAGMA 1

--- a/gcc/config/i386/scodbx.h
+++ b/gcc/config/i386/scodbx.h
@@ -31,8 +31,8 @@ Boston, MA 02111-1307, USA.  */
   opcode.  fucomp is only used when generating IEEE compliant code.
   So don't make TARGET_IEEE_FP default for SCO. */

-#undef TARGET_DEFAULT
-#define TARGET_DEFAULT (MASK_80387 | MASK_FLOAT_RETURNS)
+#undef TARGET_SUBTARGET_DEFAULT
+#define TARGET_SUBTARGET_DEFAULT (MASK_80387 | MASK_FLOAT_RETURNS)

 /* Use crt1.o as a startup file and crtn.o as a closing file.  */


--- a/gcc/config/i386/sequent.h
+++ b/gcc/config/i386/sequent.h
@@ -28,8 +28,8 @@ Boston, MA 02111-1307, USA.  */
   because the assembler can't handle the fucom insn.
   Return float values in the 387.  */

-#undef TARGET_DEFAULT
-#define TARGET_DEFAULT (MASK_80387 | MASK_FLOAT_RETURNS)
+#undef TARGET_SUBTARGET_DEFAULT
+#define TARGET_SUBTARGET_DEFAULT (MASK_80387 | MASK_FLOAT_RETURNS)

 /* Specify predefined symbols in preprocessor.  */


--- a/gcc/config/i386/unix.h
+++ b/gcc/config/i386/unix.h
@@ -67,7 +67,7 @@ Boston, MA 02111-1307, USA.  */
 /* By default, target has a 80387, uses IEEE compatible arithmetic,
   and returns float values in the 387.  */

-#define TARGET_DEFAULT (MASK_80387 | MASK_IEEE_FP | MASK_FLOAT_RETURNS)
+#define TARGET_SUBTARGET_DEFAULT (MASK_80387 | MASK_IEEE_FP | MASK_FLOAT_RETURNS)

 /* Floating-point return values come in the FP register.  */


--- a/gcc/config/i386/win32.h
+++ b/gcc/config/i386/win32.h
@@ -214,9 +214,9 @@ do {									\

 /* By default, target has a 80387, uses IEEE compatible arithmetic,
   and returns float values in the 387 and needs stack probes */
-#undef TARGET_DEFAULT
+#undef TARGET_SUBTARGET_DEFAULT

-#define TARGET_DEFAULT \
+#define TARGET_SUBTARGET_DEFAULT \
   (MASK_80387 | MASK_IEEE_FP | MASK_FLOAT_RETURNS | MASK_STACK_PROBE) 

 /* This is how to output an assembler line