[multiple changes]
1999-01-19 Vladimir N. Makarov <vmakarov@cygnus.com> * invoke.texi (-mlong-double-64): New option description. 1999-01-19 Jim Wilson <wilson@cygnus.com> * libgcc2.c: Change all uses of LONG_DOUBLE_TYPE_SIZE to LIBGCC2_LONG_DOUBLE_TYPE_SIZE. (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): New. Set to LONG_DOUBLE_TYPE_SIZE if not defined. * i960/i960.h (MULTILIB_DEFAULTS): Define to mnumerics. (CPP_SPECS): Add -mlong-double-64 support. (TARGET_FLAG_LONG_DOUBLE_64, TARGET_LONG_DOUBLE_64): New. (TARGET_SWITCHES): Add -mlong-double-64 support. (LONG_DOUBLE_TYPE_SIZE): Likewise. (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define. * i960/vx960-coff.h (MULTILIB_DEFAULTS): Define to msoft-float. (CPP_SPECS): Add -mlong-double-64 support. * i960/t-960bare (MULTILIB_OPTIONS): Add mlong-double-64. (MULTILIB_DIRNAMES): Add ld64. * i960/t-vxworks960 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Likewise. From-SVN: r24764
This commit is contained in:
Vladimir Makarov
parent
60409070a6
commit
eaa4b44cfc
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@ -1,3 +1,25 @@
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1999-01-19 Vladimir N. Makarov <vmakarov@cygnus.com>
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* invoke.texi (-mlong-double-64): New option description.
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1999-01-19 Jim Wilson <wilson@cygnus.com>
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* libgcc2.c: Change all uses of LONG_DOUBLE_TYPE_SIZE to
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LIBGCC2_LONG_DOUBLE_TYPE_SIZE.
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(LIBGCC2_LONG_DOUBLE_TYPE_SIZE): New. Set to LONG_DOUBLE_TYPE_SIZE
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if not defined.
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* i960/i960.h (MULTILIB_DEFAULTS): Define to mnumerics.
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(CPP_SPECS): Add -mlong-double-64 support.
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(TARGET_FLAG_LONG_DOUBLE_64, TARGET_LONG_DOUBLE_64): New.
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(TARGET_SWITCHES): Add -mlong-double-64 support.
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(LONG_DOUBLE_TYPE_SIZE): Likewise.
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(LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
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* i960/vx960-coff.h (MULTILIB_DEFAULTS): Define to msoft-float.
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(CPP_SPECS): Add -mlong-double-64 support.
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* i960/t-960bare (MULTILIB_OPTIONS): Add mlong-double-64.
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(MULTILIB_DIRNAMES): Add ld64.
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* i960/t-vxworks960 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Likewise.
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Tue Jan 19 11:54:04 1999 Jason Merrill <jason@yorick.cygnus.com>
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* calls.c (expand_call): Strip a TARGET_EXPR if we're passing by
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@ -24,6 +24,8 @@ Boston, MA 02111-1307, USA. */
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/* Note that some other tm.h files may include this one and then override
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many of the definitions that relate to assembler syntax. */
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#define MULTILIB_DEFAULTS { "mnumerics" }
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/* Names to predefine in the preprocessor for this target machine. */
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#define CPP_PREDEFINES "-Di960 -Di80960 -DI960 -DI80960 -Acpu(i960) -Amachine(i960)"
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@ -45,7 +47,8 @@ Boston, MA 02111-1307, USA. */
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%{mcc:-D__i960CC__ -D__i960_CC__}\
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%{mcf:-D__i960CF__ -D__i960_CF__}\
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%{!mka:%{!mkb:%{!msa:%{!msb:%{!mmc:%{!mca:\
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%{!mcc:%{!mcf:-D__i960_KB -D__i960KB__ %{mic*:-D__i960KB}}}}}}}}}"
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%{!mcc:%{!mcf:-D__i960_KB -D__i960KB__ %{mic*:-D__i960KB}}}}}}}}}\
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%{mlong-double-64:-D__LONG_DOUBLE_64__}"
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/* -mic* options make characters signed by default. */
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/* Use #if rather than ?: because MIPS C compiler rejects ?: in
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@ -209,6 +212,11 @@ extern int process_pragma ();
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#define TARGET_FLAG_OLD_ALIGN 0x8000
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#define TARGET_OLD_ALIGN (target_flags & TARGET_FLAG_OLD_ALIGN)
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/* Nonzero if long doubles are to be 64 bits. Useful for soft-float targets
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if 80 bit long double support is missing. */
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#define TARGET_FLAG_LONG_DOUBLE_64 0x10000
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#define TARGET_LONG_DOUBLE_64 (target_flags & TARGET_FLAG_LONG_DOUBLE_64)
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extern int target_flags;
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/* Macro to define tables used to set the flags.
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@ -268,6 +276,7 @@ extern int target_flags;
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{"no-strict-align", -(TARGET_FLAG_STRICT_ALIGN)}, \
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{"old-align", (TARGET_FLAG_OLD_ALIGN|TARGET_FLAG_STRICT_ALIGN)}, \
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{"no-old-align", -(TARGET_FLAG_OLD_ALIGN|TARGET_FLAG_STRICT_ALIGN)}, \
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{"long-double-64", TARGET_FLAG_LONG_DOUBLE_64}, \
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{"link-relax", 0}, \
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{"no-link-relax", 0}, \
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SUBTARGET_SWITCHES \
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@ -356,8 +365,17 @@ extern int target_flags;
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/* Width in bits of a pointer. See also the macro `Pmode' defined below. */
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#define POINTER_SIZE 32
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/* Width in bits of a long double. Identical to double for now. */
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#define LONG_DOUBLE_TYPE_SIZE 64
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/* Width in bits of a long double. Define to 96, and let
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ROUND_TYPE_ALIGN adjust the alignment for speed. */
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#define LONG_DOUBLE_TYPE_SIZE (TARGET_LONG_DOUBLE_64 ? 64 : 96)
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/* Define this to set long double type size to use in libgcc2.c, which can
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not depend on target_flags. */
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#if defined(__LONG_DOUBLE_64__)
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#define LIBGCC2_LONG_DOUBLE_TYPE_SIZE 64
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#else
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#define LIBGCC2_LONG_DOUBLE_TYPE_SIZE 96
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#endif
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/* Allocation boundary (in *bits*) for storing pointers in memory. */
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#define POINTER_BOUNDARY 32
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@ -16,8 +16,8 @@ xp-bit.c: $(srcdir)/config/fp-bit.c
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echo '#define EXTENDED_FLOAT_STUBS' > xp-bit.c
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cat $(srcdir)/config/fp-bit.c >> xp-bit.c
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MULTILIB_OPTIONS=mnumerics/msoft-float
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MULTILIB_DIRNAMES=float soft-float
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MULTILIB_OPTIONS=mnumerics/msoft-float mlong-double-64
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MULTILIB_DIRNAMES=float soft-float ld64
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MULTILIB_MATCHES=mnumerics=msb mnumerics=msc mnumerics=mkb mnumerics=mkc mnumerics=mmc mnumerics=mcb mnumerics=mcc mnumerics=mjf msoft-float=msa msoft-float=mka msoft-float=mca msoft-float=mcf
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LIBGCC = stmp-multilib
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@ -19,8 +19,8 @@ xp-bit.c: $(srcdir)/config/fp-bit.c
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echo '#define EXTENDED_FLOAT_STUBS' > xp-bit.c
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cat $(srcdir)/config/fp-bit.c >> xp-bit.c
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MULTILIB_OPTIONS=mnumerics/msoft-float
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MULTILIB_DIRNAMES=float soft-float
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MULTILIB_OPTIONS=mnumerics/msoft-float mlong-double-64
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MULTILIB_DIRNAMES=float soft-float ld64
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MULTILIB_MATCHES=mnumerics=msb mnumerics=msc mnumerics=mkb mnumerics=mkc mnumerics=mmc mnumerics=mcb mnumerics=mcc msoft-float=msa msoft-float=mka msoft-float=mca msoft-float=mcf
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LIBGCC = stmp-multilib
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@ -21,6 +21,8 @@ Boston, MA 02111-1307, USA. */
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/* This file just exists to give specs for the 960 running on VxWorks.
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VxWorks does all the library stuff itself. */
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#define MULTILIB_DEFAULTS { "msoft-float" }
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#undef LIB_SPEC
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#define LIB_SPEC ""
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@ -57,7 +59,8 @@ Boston, MA 02111-1307, USA. */
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%{mcf:-D__i960CF__ -D__i960_CF__}\
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%{!mka:%{!mkb:%{!msa:%{!msb:%{!mmc:%{!mca:\
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%{!mcc:%{!mcf:-D__i960_CA -D__i960CA__ -DCPU=I960CA\
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%{mic*:-D__i960CA}}}}}}}}}"
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%{mic*:-D__i960CA}}}}}}}}}\
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%{mlong-double-64:-D__LONG_DOUBLE_64__}"
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/* Default to -mca. */
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@ -5255,6 +5255,15 @@ Do not permit (do permit) unaligned accesses.
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@item -mold-align
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Enable structure-alignment compatibility with Intel's gcc release version
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1.3 (based on gcc 1.37). This option implies @samp{-mstrict-align}.
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@item -mlong-double-64
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Implement type @samp{long double} as 64-bit floating point numbers.
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Without the option @samp{long double} is implemented by 80-bit
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floating point numbers. The only reason we have it because there is
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no 128-bit @samp{long double} support in @samp{fp-bit.c} yet. So it
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is only useful for people using soft-float targets. Otherwise, we
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should recommend against use of it.
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@end table
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@node DEC Alpha Options
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@ -72,6 +72,10 @@ Boston, MA 02111-1307, USA. */
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#define LIBGCC2_WORDS_BIG_ENDIAN WORDS_BIG_ENDIAN
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#endif
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#ifndef LIBGCC2_LONG_DOUBLE_TYPE_SIZE
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#define LIBGCC2_LONG_DOUBLE_TYPE_SIZE LONG_DOUBLE_TYPE_SIZE
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#endif
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/* In the first part of this file, we are interfacing to calls generated
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by the compiler itself. These calls pass values into these routines
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which have very specific modes (rather than very specific types), and
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@ -90,10 +94,10 @@ typedef unsigned int UDItype __attribute__ ((mode (DI)));
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typedef float SFtype __attribute__ ((mode (SF)));
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typedef float DFtype __attribute__ ((mode (DF)));
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#if LONG_DOUBLE_TYPE_SIZE == 96
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#if LIBGCC2_LONG_DOUBLE_TYPE_SIZE == 96
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typedef float XFtype __attribute__ ((mode (XF)));
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#endif
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#if LONG_DOUBLE_TYPE_SIZE == 128
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#if LIBGCC2_LONG_DOUBLE_TYPE_SIZE == 128
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typedef float TFtype __attribute__ ((mode (TF)));
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#endif
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@ -144,10 +148,10 @@ typedef union
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extern DItype __fixunssfdi (SFtype a);
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extern DItype __fixunsdfdi (DFtype a);
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#if LONG_DOUBLE_TYPE_SIZE == 96
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#if LIBGCC2_LONG_DOUBLE_TYPE_SIZE == 96
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extern DItype __fixunsxfdi (XFtype a);
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#endif
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#if LONG_DOUBLE_TYPE_SIZE == 128
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#if LIBGCC2_LONG_DOUBLE_TYPE_SIZE == 128
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extern DItype __fixunstfdi (TFtype a);
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#endif
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@ -768,7 +772,7 @@ __ucmpdi2 (DItype a, DItype b)
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}
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#endif
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#if defined(L_fixunstfdi) && (LONG_DOUBLE_TYPE_SIZE == 128)
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#if defined(L_fixunstfdi) && (LIBGCC2_LONG_DOUBLE_TYPE_SIZE == 128)
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#define WORD_SIZE (sizeof (SItype) * BITS_PER_UNIT)
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#define HIGH_WORD_COEFF (((UDItype) 1) << WORD_SIZE)
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@ -800,7 +804,7 @@ __fixunstfdi (TFtype a)
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}
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#endif
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#if defined(L_fixtfdi) && (LONG_DOUBLE_TYPE_SIZE == 128)
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#if defined(L_fixtfdi) && (LIBGCC2_LONG_DOUBLE_TYPE_SIZE == 128)
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DItype
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__fixtfdi (TFtype a)
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{
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@ -810,7 +814,7 @@ __fixtfdi (TFtype a)
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}
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#endif
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#if defined(L_fixunsxfdi) && (LONG_DOUBLE_TYPE_SIZE == 96)
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#if defined(L_fixunsxfdi) && (LIBGCC2_LONG_DOUBLE_TYPE_SIZE == 96)
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#define WORD_SIZE (sizeof (SItype) * BITS_PER_UNIT)
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#define HIGH_WORD_COEFF (((UDItype) 1) << WORD_SIZE)
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@ -842,7 +846,7 @@ __fixunsxfdi (XFtype a)
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}
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#endif
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#if defined(L_fixxfdi) && (LONG_DOUBLE_TYPE_SIZE == 96)
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#if defined(L_fixxfdi) && (LIBGCC2_LONG_DOUBLE_TYPE_SIZE == 96)
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DItype
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__fixxfdi (XFtype a)
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{
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@ -940,7 +944,7 @@ __fixsfdi (SFtype a)
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}
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#endif
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#if defined(L_floatdixf) && (LONG_DOUBLE_TYPE_SIZE == 96)
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#if defined(L_floatdixf) && (LIBGCC2_LONG_DOUBLE_TYPE_SIZE == 96)
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#define WORD_SIZE (sizeof (SItype) * BITS_PER_UNIT)
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#define HIGH_HALFWORD_COEFF (((UDItype) 1) << (WORD_SIZE / 2))
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#define HIGH_WORD_COEFF (((UDItype) 1) << WORD_SIZE)
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@ -959,7 +963,7 @@ __floatdixf (DItype u)
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}
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#endif
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#if defined(L_floatditf) && (LONG_DOUBLE_TYPE_SIZE == 128)
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#if defined(L_floatditf) && (LIBGCC2_LONG_DOUBLE_TYPE_SIZE == 128)
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#define WORD_SIZE (sizeof (SItype) * BITS_PER_UNIT)
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#define HIGH_HALFWORD_COEFF (((UDItype) 1) << (WORD_SIZE / 2))
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#define HIGH_WORD_COEFF (((UDItype) 1) << WORD_SIZE)
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@ -1065,7 +1069,7 @@ __floatdisf (DItype u)
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}
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#endif
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#if defined(L_fixunsxfsi) && LONG_DOUBLE_TYPE_SIZE == 96
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#if defined(L_fixunsxfsi) && LIBGCC2_LONG_DOUBLE_TYPE_SIZE == 96
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/* Reenable the normal types, in case limits.h needs them. */
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#undef char
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#undef short
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