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author | Zack Weinberg <zack@gcc.gnu.org> | 2002-03-23 01:10:56 +0000 |
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committer | Zack Weinberg <zack@gcc.gnu.org> | 2002-03-23 01:10:56 +0000 |
commit | b216cd4ae3bd06a171b0b2db41d79d4b6f818008 (patch) | |
tree | 3cb5ef5e8709f7285a36ca4c6896bc2b548fdba6 /gcc/libgcc2.c | |
parent | 4e9a8e8d6d9fea4d59865dbe7137fcb297d72f6f (diff) | |
download | gcc-b216cd4ae3bd06a171b0b2db41d79d4b6f818008.zip gcc-b216cd4ae3bd06a171b0b2db41d79d4b6f818008.tar.gz gcc-b216cd4ae3bd06a171b0b2db41d79d4b6f818008.tar.bz2 |
real.h: Don't define REAL_INFINITY or REAL_IS_NOT_DOUBLE.
* real.h: Don't define REAL_INFINITY or REAL_IS_NOT_DOUBLE.
Always make REAL_VALUE_TYPE a struct containing an array of
HOST_WIDE_INT, not a double. Tidy up the code deciding how
big it is. Don't declare or use union real_extract.
* emit-rtl.c (init_emit_once), varasm.c (immed_real_const_1,
decode_rtx_const, output_constant_pool), config/a29k/a29k.c
(print_operand), config/arm/arm.c (output_move_double),
config/arm/arm.md (consttable_4, consttable_8),
config/romp/romp.c (output_fpops), config/s390/s390.h
(ASM_OUTPUT_SPECIAL_POOL_ENTRY), config/xtensa/xtensa.c
(xtensa_output_literal): Don't use union real_extract.
* config/dsp16xx/dsp16xx.c (print_operand), config/i860/i860.c
(sfmode_constant_to_ulong), config/ns32k/merlin.h
(PRINT_OPERAND), config/ns32k/ns32k.c (print_operand),
config/pdp11/pdp11.h (PRINT_OPERAND), config/we32k/we32k.h
(PRINT_OPERAND): Don't use local version of union
real_extract.
* config/convex/convex.c (check_float_value), config/vax/vax.c
(vax_float_literal), config/m88k/m88k.md (divdf3),
config/dsp16xx/dsp16xx.md (fixuns_trunchfhi2),
config/pdp11/pdp11.c (output_move_quad): Don't do host
arithmetic on target floating point quantities.
* config/a29k/a29k.md, config/dsp16xx/dsp16xx.c
(output_dsp16xx_float_const): Don't test HOST_FLOAT_FORMAT.
* fold-const.c (fold), simplify-rtx.c (simplify_binary_real):
Use MODE_HAS_INFINITIES rather than #ifdef REAL_INFINITY.
* real.c (earith): Test INFINITY rather than REAL_INFINITY;
NANS implies INFINITY, so can drop #ifdef NANS inside #ifndef
INFINITY.
* print-rtl.c (print_rtx): Disable code which needs
floating-point emulator.
* libgcc2.c: Include float.h and use DBL_MANT_DIG,
FLT_MANT_DIG, to define DF_SIZE and SF_SIZE, rather than
depending on HOST_FLOAT_FORMAT to be defined properly.
* ch/grant.c, cp/error.c: Always use REAL_VALUE_TO_DECIMAL;
don't test REAL_IS_NOT_DOUBLE.
* config/1750a/1750a.c (get_double, float_label): Delete.
(print_operand): Delete huge commented-out chunk. Use
REAL_VALUE_TO_DECIMAL.
* config/1750a/1750a-protos.h: Delete prototypes of deleted
functions.
* config/convex/convex.h: Always set TARGET_FLOAT_FORMAT to
IEEE_FLOAT_FORMAT.
* config/i370/i370.h (PRINT_OPERAND [TARGET_HLASM version]):
Use REAL_VALUE_TO_DECIMAL as ELF version does.
* config/m88k/m88k.c (real_power_of_2_operand,
legitimize_operand): Take the REAL_VALUE_TYPE and/or union
real_extract out of the union; run the input through
REAL_VALUE_TO_TARGET_DOUBLE, then plug the pair of longwords
from that into the union.
* config/pdp11/pdp11.c (output_move_double): Rearrange
parentheses to make automatic indenter happy.
* doc/tm.texi (Cross-compilation): Rename node to "Floating
Point" and rewrite to describe current situation. Also adjust
documentation of REAL_VALUE_TO_TARGET_SINGLE and friends to
match code.
* doc/rtl.texi: Adjust cross reference.
From-SVN: r51210
Diffstat (limited to 'gcc/libgcc2.c')
-rw-r--r-- | gcc/libgcc2.c | 30 |
1 files changed, 4 insertions, 26 deletions
diff --git a/gcc/libgcc2.c b/gcc/libgcc2.c index 08bfc34..cab9256 100644 --- a/gcc/libgcc2.c +++ b/gcc/libgcc2.c @@ -1067,33 +1067,11 @@ __floatdidf (DWtype u) #define HIGH_WORD_COEFF (((UDWtype) 1) << WORD_SIZE) #define DI_SIZE (sizeof (DWtype) * BITS_PER_UNIT) -/* Define codes for all the float formats that we know of. Note - that this is copied from real.h. */ +/* GCC guarantees this header exists at this point. */ +#include <float.h> -#define UNKNOWN_FLOAT_FORMAT 0 -#define IEEE_FLOAT_FORMAT 1 -#define VAX_FLOAT_FORMAT 2 -#define IBM_FLOAT_FORMAT 3 - -/* Default to IEEE float if not specified. Nearly all machines use it. */ -#ifndef HOST_FLOAT_FORMAT -#define HOST_FLOAT_FORMAT IEEE_FLOAT_FORMAT -#endif - -#if HOST_FLOAT_FORMAT == IEEE_FLOAT_FORMAT -#define DF_SIZE 53 -#define SF_SIZE 24 -#endif - -#if HOST_FLOAT_FORMAT == IBM_FLOAT_FORMAT -#define DF_SIZE 56 -#define SF_SIZE 24 -#endif - -#if HOST_FLOAT_FORMAT == VAX_FLOAT_FORMAT -#define DF_SIZE 56 -#define SF_SIZE 24 -#endif +#define DF_SIZE DBL_MANT_DIG +#define SF_SIZE FLT_MANT_DIG SFtype __floatdisf (DWtype u) |