* config/sparc/sparc.h (ASM_ARCH64_SPEC): Pass -no-undeclared-regs
to gas if it supports .register pseudo.
+ * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Define to
+ LONG_DOUBLE_TYPE_SIZE if not defined.
+ Use MAX_LONG_DOUBLE_TYPE_SIZE instead of
+ LONG_DOUBLE_TYPE_SIZE in preprocessor if clauses.
+ * real.c: Likewise.
+ * gengenrtl.c: Likewise.
+ * print-rtl.c: Likewise.
+ * rtl.c: Likewise.
+ * config/sparc/sol2-sld-64.h (TARGET_DEFAULT): Set
+ MASK_LONG_DOUBLE_128.
+ * config/sparc/sol2.h (TARGET_DEFAULT): Likewise.
+ * config/sparc/sp64-elf.h (TARGET_DEFAULT): Likewise.
+ * config/sparc/linux64 (TARGET_DEFAULT): Likewise.
+ (SUBTARGET_SWITCHES): Define.
+ (CPP_ARCH32_SPEC): Define __LONG_DOUBLE_128__ if compiling
+ with -mlong-double-128.
+ (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
+ (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
+ (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
+ (CC1_SPEC): Include -mlong-double-{64,128} as needed.
+ * config/sparc/linux.h (SUBTARGET_SWITCHES): Define.
+ (CPP_SUBTARGET_SPEC): Define __LONG_DOUBLE_128__ if compiling
+ with -mlong-double-128.
+ (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
+ (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
+ (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
+ * config/sparc/sparc.h (MASK_LONG_DOUBLE_128,
+ TARGET_LONG_DOUBLE_128): Define.
+ * config/sparc/linux-aout.h (LONG_DOUBLE_TYPE_SIZE): Remove.
+ * config/sparc/sparc.c (sparc_override_options): Disallow 64bit
+ long double on TARGET_ARCH64.
+
2000-03-06 Mark Mitchell <mark@codesourcery.com>
* function.c (free_temps_for_rtl_expr): Don't free slots
#undef ASM_SPEC
#define ASM_SPEC \
"%{V} %{v:%{!V:-V}} %{n} %{T} %{Ym,*} %{Wa,*:%*} -s %{fpic:-K PIC} %{fPIC:-K PIC}"
-
-#if 0
-/* Define for support of TFmode long double and REAL_ARITHMETIC.
- Sparc ABI says that long double is 4 words. GNU/Linux does not support
- long double yet. */
-#define LONG_DOUBLE_TYPE_SIZE 128
-#endif
\f
/* No weird SPARC variants on Linux */
#undef TARGET_LIVE_G0
#undef TARGET_VERSION
#define TARGET_VERSION fprintf (stderr, " (sparc GNU/Linux with ELF)");
+#undef SUBTARGET_SWITCHES
+#define SUBTARGET_SWITCHES \
+{"long-double-64", -MASK_LONG_DOUBLE_128, "Use 64 bit long doubles" }, \
+{"long-double-128", MASK_LONG_DOUBLE_128, "Use 128 bit long doubles" },
+
#undef SIZE_TYPE
#define SIZE_TYPE "unsigned int"
#undef CPP_SUBTARGET_SPEC
#ifdef USE_GNULIBC_1
#define CPP_SUBTARGET_SPEC \
-"%{fPIC:-D__PIC__ -D__pic__} %{fpic:-D__PIC__ -D__pic__} %{posix:-D_POSIX_SOURCE}"
+"%{fPIC:-D__PIC__ -D__pic__} %{fpic:-D__PIC__ -D__pic__} %{posix:-D_POSIX_SOURCE} \
+%{mlong-double-128:-D__LONG_DOUBLE_128__}"
#else
#define CPP_SUBTARGET_SPEC \
-"%{fPIC:-D__PIC__ -D__pic__} %{fpic:-D__PIC__ -D__pic__} %{posix:-D_POSIX_SOURCE} %{pthread:-D_REENTRANT}"
+"%{fPIC:-D__PIC__ -D__pic__} %{fpic:-D__PIC__ -D__pic__} %{posix:-D_POSIX_SOURCE} \
+%{pthread:-D_REENTRANT} %{mlong-double-128:-D__LONG_DOUBLE_128__}"
#endif
#undef LIB_SPEC
sprintf (LABEL, "*.L%s%d", PREFIX, NUM)
\f
-#if 0
/* Define for support of TFmode long double and REAL_ARITHMETIC.
- Sparc ABI says that long double is 4 words. GNU/Linux does not support
- long double yet. */
-#define LONG_DOUBLE_TYPE_SIZE 128
+ Sparc ABI says that long double is 4 words. */
+#define LONG_DOUBLE_TYPE_SIZE (TARGET_LONG_DOUBLE_128 ? 128 : 64)
+
+/* Constant which presents upper bound of the above value. */
+#define MAX_LONG_DOUBLE_TYPE_SIZE 128
+
+/* Define this to set long double type size to use in libgcc2.c, which can
+ not depend on target_flags. */
+#ifdef __LONG_DOUBLE_128__
+#define LIBGCC2_LONG_DOUBLE_TYPE_SIZE 128
+#else
+#define LIBGCC2_LONG_DOUBLE_TYPE_SIZE 64
#endif
\f
/* No weird SPARC variants on Linux */
#undef TARGET_DEFAULT
#define TARGET_DEFAULT \
(MASK_V9 + MASK_PTR64 + MASK_64BIT /* + MASK_HARD_QUAD */ \
- + MASK_STACK_BIAS + MASK_APP_REGS + MASK_EPILOGUE + MASK_FPU)
+ + MASK_STACK_BIAS + MASK_APP_REGS + MASK_EPILOGUE + MASK_FPU + MASK_LONG_DOUBLE_128)
#endif
/* Output at beginning of assembler file. */
#undef ASM_CPU_DEFAULT_SPEC
#define ASM_CPU_DEFAULT_SPEC "-Av9a"
+#ifdef SPARC_BI_ARCH
+
+#undef CPP_ARCH32_SPEC
+#define CPP_ARCH32_SPEC "%{mlong-double-128:-D__LONG_DOUBLE_128__} \
+-D__SIZE_TYPE__=unsigned\\ int -D__PTRDIFF_TYPE__=int \
+-D__GCC_NEW_VARARGS__ -Acpu(sparc) -Amachine(sparc)"
+
+#endif
+
/* Provide a STARTFILE_SPEC appropriate for GNU/Linux. Here we add
the GNU/Linux magical crtbegin.o file (see crtstuff.c) which
provides part of the support for getting C++ file-scope static
#undef SPARC_DEFAULT_CMODEL
#define SPARC_DEFAULT_CMODEL CM_MEDLOW
+#undef SUBTARGET_SWITCHES
+#define SUBTARGET_SWITCHES \
+{"long-double-64", -MASK_LONG_DOUBLE_128, "Use 64 bit long doubles" }, \
+{"long-double-128", MASK_LONG_DOUBLE_128, "Use 128 bit long doubles" },
+
#undef WCHAR_TYPE
#define WCHAR_TYPE "int"
#undef MAX_WCHAR_TYPE_SIZE
+/* Define for support of TFmode long double and REAL_ARITHMETIC.
+ Sparc ABI says that long double is 4 words. */
#undef LONG_DOUBLE_TYPE_SIZE
-#define LONG_DOUBLE_TYPE_SIZE 128
+#define LONG_DOUBLE_TYPE_SIZE (TARGET_LONG_DOUBLE_128 ? 128 : 64)
+
+/* Constant which presents upper bound of the above value. */
+#undef MAX_LONG_DOUBLE_TYPE_SIZE
+#define MAX_LONG_DOUBLE_TYPE_SIZE 128
+
+/* Define this to set long double type size to use in libgcc2.c, which can
+ not depend on target_flags. */
+#if defined(__arch64__) || defined(__LONG_DOUBLE_128__)
+#define LIBGCC2_LONG_DOUBLE_TYPE_SIZE 128
+#else
+#define LIBGCC2_LONG_DOUBLE_TYPE_SIZE 64
+#endif
#undef CPP_PREDEFINES
#define CPP_PREDEFINES "-D__ELF__ -Dunix -D_LONGLONG -D__sparc__ -Dlinux -Asystem(unix) -Asystem(posix)"
%{mcypress:-mcpu=cypress} \
%{msparclite:-mcpu=sparclite} %{mf930:-mcpu=f930} %{mf934:-mcpu=f934} \
%{mv8:-mcpu=v8} %{msupersparc:-mcpu=supersparc} \
-%{m64:-mptr64 -mstack-bias \
+%{m64:-mptr64 -mstack-bias -mlong-double-128 \
%{!mcpu*:%{!mcypress:%{!msparclite:%{!mf930:%{!mf934:%{!mv8:%{!msupersparc:-mcpu=ultrasparc}}}}}}} \
%{!mno-vis:%{!mcpu=v9:-mvis}}} \
%{!m64:%{g*:%{!gs*:%{!gd*:%{!gx*:%{!gc*:-gstabs+}}}}}} \
%{mcypress:-mcpu=cypress} \
%{msparclite:-mcpu=sparclite} %{mf930:-mcpu=f930} %{mf934:-mcpu=f934} \
%{mv8:-mcpu=v8} %{msupersparc:-mcpu=supersparc} \
-%{m32:-mptr32 -mno-stack-bias \
+%{m32:-mptr32 -mno-stack-bias %{!mlong-double-128:-mlong-double-64} \
%{!mcpu*:%{!mcypress:%{!msparclite:%{!mf930:%{!mf934:%{!mv8:%{!msupersparc:-mcpu=cypress}}}}}}} \
%{g*:%{!gs*:%{!gd*:%{!gx*:%{!gc*:-gstabs+}}}}}} \
%{!m32:%{!mcpu*:-mcpu=ultrasparc}} \
#undef TARGET_DEFAULT
#define TARGET_DEFAULT \
(MASK_V9 + MASK_PTR64 + MASK_64BIT /* + MASK_HARD_QUAD */ + \
- MASK_STACK_BIAS + MASK_EPILOGUE + MASK_FPU)
+ MASK_STACK_BIAS + MASK_EPILOGUE + MASK_FPU + MASK_LONG_DOUBLE_128)
#endif
/* The default code model. */
/* Solaris allows 64 bit out and global registers in 32 bit mode.
sparc_override_options will disable V8+ if not generating V9 code. */
#undef TARGET_DEFAULT
-#define TARGET_DEFAULT (MASK_EPILOGUE + MASK_FPU + MASK_V8PLUS)
+#define TARGET_DEFAULT (MASK_EPILOGUE + MASK_FPU + MASK_V8PLUS + MASK_LONG_DOUBLE_128)
\f
#if TARGET_ARCH32
/* Override MACHINE_STATE_{SAVE,RESTORE} because we have special
#undef TARGET_DEFAULT
#define TARGET_DEFAULT \
(MASK_V9 + MASK_PTR64 + MASK_64BIT + MASK_HARD_QUAD \
- + MASK_APP_REGS + MASK_EPILOGUE + MASK_FPU + MASK_STACK_BIAS)
+ + MASK_APP_REGS + MASK_EPILOGUE + MASK_FPU + MASK_STACK_BIAS + MASK_LONG_DOUBLE_128)
#undef SPARC_DEFAULT_CMODEL
#define SPARC_DEFAULT_CMODEL CM_EMBMEDANY
target_flags &= ~MASK_PTR64;
}
+ /* We force all 64bit archs to use 128 bit long double */
+ if (TARGET_64BIT && ! TARGET_LONG_DOUBLE_128)
+ {
+ error ("-mlong-double-64 not allowed with -m64");
+ target_flags |= MASK_LONG_DOUBLE_128;
+ }
+
/* Code model selection. */
sparc_cmodel = SPARC_DEFAULT_CMODEL;
#define MASK_FASTER_STRUCTS 0x4000000
#define TARGET_FASTER_STRUCTS (target_flags & MASK_FASTER_STRUCTS)
+/* Use IEEE quad long double. */
+#define MASK_LONG_DOUBLE_128 0x8000000
+#define TARGET_LONG_DOUBLE_128 (target_flags & MASK_LONG_DOUBLE_128)
+
/* TARGET_HARD_MUL: Use hardware multiply instructions but not %y.
TARGET_HARD_MUL32: Use hardware multiply instructions with rd %y
to get high 32 bits. False in V8+ or V9 because multiply stores
slots in a CONST_DOUBLE, so we provide them even if one would suffice. */
#ifdef REAL_ARITHMETIC
-#if LONG_DOUBLE_TYPE_SIZE == 96
+#if MAX_LONG_DOUBLE_TYPE_SIZE == 96
#define REAL_WIDTH (11*8 + HOST_BITS_PER_WIDE_INT)/HOST_BITS_PER_WIDE_INT
-#elif LONG_DOUBLE_TYPE_SIZE == 128
+#elif MAX_LONG_DOUBLE_TYPE_SIZE == 128
#define REAL_WIDTH (19*8 + HOST_BITS_PER_WIDE_INT)/HOST_BITS_PER_WIDE_INT
#elif HOST_FLOAT_FORMAT != TARGET_FLOAT_FORMAT
#define REAL_WIDTH (7*8 + HOST_BITS_PER_WIDE_INT)/HOST_BITS_PER_WIDE_INT
#endif /* REAL_ARITHMETIC */
#ifndef REAL_WIDTH
-#if HOST_BITS_PER_WIDE_INT*2 >= LONG_DOUBLE_TYPE_SIZE
+#if HOST_BITS_PER_WIDE_INT*2 >= MAX_LONG_DOUBLE_TYPE_SIZE
#define REAL_WIDTH 2
-#elif HOST_BITS_PER_WIDE_INT*3 >= LONG_DOUBLE_TYPE_SIZE
+#elif HOST_BITS_PER_WIDE_INT*3 >= MAX_LONG_DOUBLE_TYPE_SIZE
#define REAL_WIDTH 3
-#elif HOST_BITS_PER_WIDE_INT*4 >= LONG_DOUBLE_TYPE_SIZE
+#elif HOST_BITS_PER_WIDE_INT*4 >= MAX_LONG_DOUBLE_TYPE_SIZE
#define REAL_WIDTH 4
#endif
#endif /* REAL_WIDTH */
if (GET_CODE (in_rtx) == MEM)
fprintf (outfile, " %d", MEM_ALIAS_SET (in_rtx));
-#if HOST_FLOAT_FORMAT == TARGET_FLOAT_FORMAT && LONG_DOUBLE_TYPE_SIZE == 64
+#if HOST_FLOAT_FORMAT == TARGET_FLOAT_FORMAT && MAX_LONG_DOUBLE_TYPE_SIZE == 64
if (GET_CODE (in_rtx) == CONST_DOUBLE && FLOAT_MODE_P (GET_MODE (in_rtx)))
{
double val;
A REAL_VALUE_TYPE is guaranteed to occupy contiguous locations
in memory, with no holes. */
-#if LONG_DOUBLE_TYPE_SIZE == 96
+#if MAX_LONG_DOUBLE_TYPE_SIZE == 96
/* Number of 16 bit words in external e type format */
#define NE 6
#define MAXDECEXP 4932
bcopy ((char *) e, (char *) r, 2*NE); \
} while (0)
#else /* no XFmode */
-#if LONG_DOUBLE_TYPE_SIZE == 128
+#if MAX_LONG_DOUBLE_TYPE_SIZE == 128
#define NE 10
#define MAXDECEXP 4932
#define MINDECEXP -4977
/* e type constants used by high precision check routines */
-#if LONG_DOUBLE_TYPE_SIZE == 128
+#if MAX_LONG_DOUBLE_TYPE_SIZE == 128
/* 0.0 */
unsigned EMUSHORT ezero[NE] =
{0x0000, 0x0000, 0x0000, 0x0000,
else
{
q = b + 4; /* point to output exponent */
-#if LONG_DOUBLE_TYPE_SIZE == 96
+#if MAX_LONG_DOUBLE_TYPE_SIZE == 96
/* Clear the last two bytes of 12-byte Intel format */
*(q+1) = 0;
#endif
#define NTEN 12
#define MAXP 4096
-#if LONG_DOUBLE_TYPE_SIZE == 128
+#if MAX_LONG_DOUBLE_TYPE_SIZE == 128
static unsigned EMUSHORT etens[NTEN + 1][NE] =
{
{0x6576, 0x4a92, 0x804a, 0x153f,
#ifndef LONG_DOUBLE_TYPE_SIZE
#define LONG_DOUBLE_TYPE_SIZE 64
#endif
-#if (LONG_DOUBLE_TYPE_SIZE == 96) || (LONG_DOUBLE_TYPE_SIZE == 128)
+#ifndef MAX_LONG_DOUBLE_TYPE_SIZE
+#define MAX_LONG_DOUBLE_TYPE_SIZE LONG_DOUBLE_TYPE_SIZE
+#endif
+#if (MAX_LONG_DOUBLE_TYPE_SIZE == 96) || (MAX_LONG_DOUBLE_TYPE_SIZE == 128)
#ifndef REAL_ARITHMETIC
#define REAL_ARITHMETIC
#endif
/* Support 80-bit extended real XFmode if LONG_DOUBLE_TYPE_SIZE
has been defined to be 96 in the tm.h machine file. */
-#if (LONG_DOUBLE_TYPE_SIZE == 96)
+#if (MAX_LONG_DOUBLE_TYPE_SIZE == 96)
#define REAL_IS_NOT_DOUBLE
#define REAL_ARITHMETIC
typedef struct {
#else /* no XFmode support */
-#if (LONG_DOUBLE_TYPE_SIZE == 128)
+#if (MAX_LONG_DOUBLE_TYPE_SIZE == 128)
#define REAL_IS_NOT_DOUBLE
#define REAL_ARITHMETIC
ereal_from_uint (&d, lo, hi, mode)
/* IN is a REAL_VALUE_TYPE. OUT is an array of longs. */
-#if LONG_DOUBLE_TYPE_SIZE == 96
+#if MAX_LONG_DOUBLE_TYPE_SIZE == 96
#define REAL_VALUE_TO_TARGET_LONG_DOUBLE(IN, OUT) (etarldouble ((IN), (OUT)))
#else
#define REAL_VALUE_TO_TARGET_LONG_DOUBLE(IN, OUT) (etartdouble ((IN), (OUT)))
slots in a CONST_DOUBLE, so we provide them even if one would suffice. */
#ifdef REAL_ARITHMETIC
-#if LONG_DOUBLE_TYPE_SIZE == 96
+#if MAX_LONG_DOUBLE_TYPE_SIZE == 96
#define REAL_WIDTH (11*8 + HOST_BITS_PER_WIDE_INT)/HOST_BITS_PER_WIDE_INT
-#elif LONG_DOUBLE_TYPE_SIZE == 128
+#elif MAX_LONG_DOUBLE_TYPE_SIZE == 128
#define REAL_WIDTH (19*8 + HOST_BITS_PER_WIDE_INT)/HOST_BITS_PER_WIDE_INT
#elif HOST_FLOAT_FORMAT != TARGET_FLOAT_FORMAT
#define REAL_WIDTH (7*8 + HOST_BITS_PER_WIDE_INT)/HOST_BITS_PER_WIDE_INT
#endif /* REAL_ARITHMETIC */
#ifndef REAL_WIDTH
-#if HOST_BITS_PER_WIDE_INT*2 >= LONG_DOUBLE_TYPE_SIZE
+#if HOST_BITS_PER_WIDE_INT*2 >= MAX_LONG_DOUBLE_TYPE_SIZE
#define REAL_WIDTH 2
-#elif HOST_BITS_PER_WIDE_INT*3 >= LONG_DOUBLE_TYPE_SIZE
+#elif HOST_BITS_PER_WIDE_INT*3 >= MAX_LONG_DOUBLE_TYPE_SIZE
#define REAL_WIDTH 3
-#elif HOST_BITS_PER_WIDE_INT*4 >= LONG_DOUBLE_TYPE_SIZE
+#elif HOST_BITS_PER_WIDE_INT*4 >= MAX_LONG_DOUBLE_TYPE_SIZE
#define REAL_WIDTH 4
#endif
#endif /* REAL_WIDTH */
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