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-rw-r--r--gcc/ChangeLog27
-rw-r--r--gcc/c-family/ChangeLog6
-rw-r--r--gcc/c-family/c-cppbuiltin.c24
-rw-r--r--gcc/config/alpha/alpha.h8
-rw-r--r--gcc/config/i386/i386-interix.h2
-rw-r--r--gcc/config/i386/i386.h10
-rw-r--r--gcc/config/i386/rtemself.h7
-rw-r--r--gcc/config/ia64/ia64.h4
-rw-r--r--gcc/config/m68k/m68k.h8
-rw-r--r--gcc/config/m68k/netbsd-elf.h7
-rw-r--r--gcc/config/mips/mips.h9
-rw-r--r--gcc/config/mips/n32-elf.h5
-rw-r--r--gcc/config/msp430/msp430.h2
-rw-r--r--gcc/config/rl78/rl78.h2
-rw-r--r--gcc/config/rs6000/rs6000.h8
-rw-r--r--gcc/config/rx/rx.h6
-rw-r--r--gcc/config/s390/s390.h8
-rw-r--r--gcc/config/sparc/freebsd.h8
-rw-r--r--gcc/config/sparc/linux.h8
-rw-r--r--gcc/config/sparc/linux64.h8
-rw-r--r--gcc/config/sparc/netbsd-elf.h12
-rw-r--r--gcc/doc/tm.texi7
-rw-r--r--gcc/doc/tm.texi.in7
-rw-r--r--gcc/system.h3
-rw-r--r--libgcc/ChangeLog13
-rw-r--r--libgcc/dfp-bit.h14
-rw-r--r--libgcc/libgcc2.c12
-rw-r--r--libgcc/libgcc2.h4
28 files changed, 84 insertions, 155 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 96a5d7a..f91e231 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,30 @@
+2014-09-22 Joseph Myers <joseph@codesourcery.com>
+
+ * doc/tm.texi.in (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Remove.
+ * doc/tm.texi: Regenerate.
+ * system.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Poison.
+ * config/alpha/alpha.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Remove.
+ * config/i386/i386-interix.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE):
+ Remove.
+ * config/i386/i386.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Remove.
+ * config/i386/rtemself.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Remove.
+ * config/ia64/ia64.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Remove.
+ * config/m68k/m68k.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Remove.
+ * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE):
+ Remove.
+ * config/mips/mips.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Remove.
+ * config/mips/n32-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Remove.
+ * config/msp430/msp430.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Remove.
+ * config/rl78/rl78.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Remove.
+ * config/rs6000/rs6000.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Remove.
+ * config/rx/rx.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Remove.
+ * config/s390/s390.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Remove.
+ * config/sparc/freebsd.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Remove.
+ * config/sparc/linux.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Remove.
+ * config/sparc/linux64.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Remove.
+ * config/sparc/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE):
+ Remove.
+
2014-09-22 Jan Hubicka <hubicka@ucw.cz>
* tree-ssa-ccp.c (prop_value_d): Rename to ...
diff --git a/gcc/c-family/ChangeLog b/gcc/c-family/ChangeLog
index efe7417..468c78b 100644
--- a/gcc/c-family/ChangeLog
+++ b/gcc/c-family/ChangeLog
@@ -1,3 +1,9 @@
+2014-09-22 Joseph Myers <joseph@codesourcery.com>
+
+ * c-cppbuiltin.c (c_cpp_builtins): Define
+ __LIBGCC_*_EXCESS_PRECISION__ macros for supported floating-point
+ modes.
+
2014-09-18 Joseph Myers <joseph@codesourcery.com>
* c-cppbuiltin.c (c_cpp_builtins): Define __LIBGCC_*_FUNC_EXT__
diff --git a/gcc/c-family/c-cppbuiltin.c b/gcc/c-family/c-cppbuiltin.c
index 9e2040b..6748db4 100644
--- a/gcc/c-family/c-cppbuiltin.c
+++ b/gcc/c-family/c-cppbuiltin.c
@@ -978,6 +978,30 @@ c_cpp_builtins (cpp_reader *pfile)
else
gcc_unreachable ();
builtin_define_with_value (macro_name, suffix, 0);
+ bool excess_precision = false;
+ if (TARGET_FLT_EVAL_METHOD != 0
+ && mode != TYPE_MODE (long_double_type_node)
+ && (mode == TYPE_MODE (float_type_node)
+ || mode == TYPE_MODE (double_type_node)))
+ switch (TARGET_FLT_EVAL_METHOD)
+ {
+ case -1:
+ case 2:
+ excess_precision = true;
+ break;
+
+ case 1:
+ excess_precision = mode == TYPE_MODE (float_type_node);
+ break;
+
+ default:
+ gcc_unreachable ();
+ }
+ macro_name = (char *) alloca (strlen (name)
+ + sizeof ("__LIBGCC__EXCESS_"
+ "PRECISION__"));
+ sprintf (macro_name, "__LIBGCC_%s_EXCESS_PRECISION__", name);
+ builtin_define_with_int_value (macro_name, excess_precision);
}
/* For libgcc crtstuff.c and libgcc2.c. */
diff --git a/gcc/config/alpha/alpha.h b/gcc/config/alpha/alpha.h
index 88816f3..ea5fd13 100644
--- a/gcc/config/alpha/alpha.h
+++ b/gcc/config/alpha/alpha.h
@@ -203,14 +203,6 @@ extern enum alpha_fp_trap_mode alpha_fptm;
#define DOUBLE_TYPE_SIZE 64
#define LONG_DOUBLE_TYPE_SIZE (TARGET_LONG_DOUBLE_128 ? 128 : 64)
-/* 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
-
/* Work around target_flags dependency in ada/targtyps.c. */
#define WIDEST_HARDWARE_FP_SIZE 64
diff --git a/gcc/config/i386/i386-interix.h b/gcc/config/i386/i386-interix.h
index 49aef84..98b8ae1 100644
--- a/gcc/config/i386/i386-interix.h
+++ b/gcc/config/i386/i386-interix.h
@@ -140,8 +140,6 @@ do { \
/* Turn off long double being 96 bits. */
#undef LONG_DOUBLE_TYPE_SIZE
#define LONG_DOUBLE_TYPE_SIZE 64
-#undef LIBGCC2_LONG_DOUBLE_TYPE_SIZE
-#define LIBGCC2_LONG_DOUBLE_TYPE_SIZE 64
#define IX86_NO_LIBGCC_TFMODE
diff --git a/gcc/config/i386/i386.h b/gcc/config/i386/i386.h
index 2c64162..6300546 100644
--- a/gcc/config/i386/i386.h
+++ b/gcc/config/i386/i386.h
@@ -694,16 +694,6 @@ extern const char *host_detect_local_cpu (int argc, const char **argv);
#define LONG_DOUBLE_TYPE_SIZE \
(TARGET_LONG_DOUBLE_64 ? 64 : (TARGET_LONG_DOUBLE_128 ? 128 : 80))
-/* Define this to set long double type size to use in libgcc2.c, which can
- not depend on target_flags. */
-#ifdef __LONG_DOUBLE_64__
-#define LIBGCC2_LONG_DOUBLE_TYPE_SIZE 64
-#elif defined (__LONG_DOUBLE_128__)
-#define LIBGCC2_LONG_DOUBLE_TYPE_SIZE 128
-#else
-#define LIBGCC2_LONG_DOUBLE_TYPE_SIZE 80
-#endif
-
#define WIDEST_HARDWARE_FP_SIZE 80
#if defined (TARGET_BI_ARCH) || TARGET_64BIT_DEFAULT
diff --git a/gcc/config/i386/rtemself.h b/gcc/config/i386/rtemself.h
index ce6d762..1461a9e 100644
--- a/gcc/config/i386/rtemself.h
+++ b/gcc/config/i386/rtemself.h
@@ -32,11 +32,4 @@ along with GCC; see the file COPYING3. If not see
#undef LONG_DOUBLE_TYPE_SIZE
#define LONG_DOUBLE_TYPE_SIZE (TARGET_80387 ? 80 : 64)
-#undef LIBGCC2_LONG_DOUBLE_TYPE_SIZE
-#ifdef _SOFT_FLOAT
-#define LIBGCC2_LONG_DOUBLE_TYPE_SIZE 64
-#else
-#define LIBGCC2_LONG_DOUBLE_TYPE_SIZE 80
-#endif
-
#define IX86_NO_LIBGCC_TFMODE
diff --git a/gcc/config/ia64/ia64.h b/gcc/config/ia64/ia64.h
index 4cc80a9..372bee7 100644
--- a/gcc/config/ia64/ia64.h
+++ b/gcc/config/ia64/ia64.h
@@ -253,10 +253,6 @@ while (0)
: TARGET_ABI_OPEN_VMS ? 64 \
: 80)
-/* We always want the XFmode operations from libgcc2.c, except on VMS
- where this yields references to unimplemented "insns". */
-#define LIBGCC2_LONG_DOUBLE_TYPE_SIZE (TARGET_ABI_OPEN_VMS ? 64 : 80)
-
#define DEFAULT_SIGNED_CHAR 1
diff --git a/gcc/config/m68k/m68k.h b/gcc/config/m68k/m68k.h
index 5a6ceb5..a621b62 100644
--- a/gcc/config/m68k/m68k.h
+++ b/gcc/config/m68k/m68k.h
@@ -280,14 +280,6 @@ along with GCC; see the file COPYING3. If not see
#define LONG_DOUBLE_TYPE_SIZE \
((TARGET_COLDFIRE || TARGET_FIDOA) ? 64 : 80)
-/* We need to know the size of long double at compile-time in libgcc2. */
-
-#if defined(__mcoldfire__) || defined(__mfido__)
-#define LIBGCC2_LONG_DOUBLE_TYPE_SIZE 64
-#else
-#define LIBGCC2_LONG_DOUBLE_TYPE_SIZE 80
-#endif
-
/* Set the value of FLT_EVAL_METHOD in float.h. When using 68040 fp
instructions, we get proper intermediate rounding, otherwise we
get extended precision results. */
diff --git a/gcc/config/m68k/netbsd-elf.h b/gcc/config/m68k/netbsd-elf.h
index be89193..eade5b4 100644
--- a/gcc/config/m68k/netbsd-elf.h
+++ b/gcc/config/m68k/netbsd-elf.h
@@ -39,13 +39,6 @@ along with GCC; see the file COPYING3. If not see
#undef LONG_DOUBLE_TYPE_SIZE
#define LONG_DOUBLE_TYPE_SIZE (TARGET_68020 ? 80 : 64)
-#undef LIBGCC2_LONG_DOUBLE_TYPE_SIZE
-#ifdef __mc68010__
-#define LIBGCC2_LONG_DOUBLE_TYPE_SIZE 64
-#else
-#define LIBGCC2_LONG_DOUBLE_TYPE_SIZE 80
-#endif
-
#undef SUBTARGET_EXTRA_SPECS
#define SUBTARGET_EXTRA_SPECS \
{ "netbsd_entry_point", NETBSD_ENTRY_POINT },
diff --git a/gcc/config/mips/mips.h b/gcc/config/mips/mips.h
index 9a15287..c7b998b 100644
--- a/gcc/config/mips/mips.h
+++ b/gcc/config/mips/mips.h
@@ -1399,15 +1399,6 @@ struct mips_cpu_info {
support long double, we also want a 128-bit integer type. */
#define MAX_FIXED_MODE_SIZE LONG_DOUBLE_TYPE_SIZE
-#ifdef IN_LIBGCC2
-#if ((defined _ABIN32 && _MIPS_SIM == _ABIN32) \
- || (defined _ABI64 && _MIPS_SIM == _ABI64))
-# define LIBGCC2_LONG_DOUBLE_TYPE_SIZE 128
-# else
-# define LIBGCC2_LONG_DOUBLE_TYPE_SIZE 64
-# endif
-#endif
-
/* Width in bits of a pointer. */
#ifndef POINTER_SIZE
#define POINTER_SIZE ((TARGET_LONG64 && TARGET_64BIT) ? 64 : 32)
diff --git a/gcc/config/mips/n32-elf.h b/gcc/config/mips/n32-elf.h
index cb0cbbf..a611a9e 100644
--- a/gcc/config/mips/n32-elf.h
+++ b/gcc/config/mips/n32-elf.h
@@ -28,8 +28,3 @@ along with GCC; see the file COPYING3. If not see
/* Force n32 to use 64-bit long doubles. */
#undef LONG_DOUBLE_TYPE_SIZE
#define LONG_DOUBLE_TYPE_SIZE 64
-
-#ifdef IN_LIBGCC2
-#undef LIBGCC2_LONG_DOUBLE_TYPE_SIZE
-#define LIBGCC2_LONG_DOUBLE_TYPE_SIZE 64
-#endif
diff --git a/gcc/config/msp430/msp430.h b/gcc/config/msp430/msp430.h
index 068bdad..70196e2 100644
--- a/gcc/config/msp430/msp430.h
+++ b/gcc/config/msp430/msp430.h
@@ -111,8 +111,6 @@ extern bool msp430x;
#define DOUBLE_TYPE_SIZE 64
#define LONG_DOUBLE_TYPE_SIZE 64 /*DOUBLE_TYPE_SIZE*/
-#define LIBGCC2_LONG_DOUBLE_TYPE_SIZE 64
-
#define DEFAULT_SIGNED_CHAR 0
#define STRICT_ALIGNMENT 1
diff --git a/gcc/config/rl78/rl78.h b/gcc/config/rl78/rl78.h
index 947c408..c3cae69 100644
--- a/gcc/config/rl78/rl78.h
+++ b/gcc/config/rl78/rl78.h
@@ -98,8 +98,6 @@
#define DOUBLE_TYPE_SIZE 32 /*64*/
#define LONG_DOUBLE_TYPE_SIZE 64 /*DOUBLE_TYPE_SIZE*/
-#define LIBGCC2_LONG_DOUBLE_TYPE_SIZE 64
-
#define DEFAULT_SIGNED_CHAR 0
#define STRICT_ALIGNMENT 1
diff --git a/gcc/config/rs6000/rs6000.h b/gcc/config/rs6000/rs6000.h
index 8a0fcab..1fd4f2a 100644
--- a/gcc/config/rs6000/rs6000.h
+++ b/gcc/config/rs6000/rs6000.h
@@ -820,14 +820,6 @@ extern unsigned char rs6000_recip_bits[];
words. */
#define LONG_DOUBLE_TYPE_SIZE rs6000_long_double_type_size
-/* 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
-
/* Work around rs6000_long_double_type_size dependency in ada/targtyps.c. */
#define WIDEST_HARDWARE_FP_SIZE 64
diff --git a/gcc/config/rx/rx.h b/gcc/config/rx/rx.h
index 2a008f7..57a24e6 100644
--- a/gcc/config/rx/rx.h
+++ b/gcc/config/rx/rx.h
@@ -130,12 +130,6 @@
#define DOUBLE_TYPE_SIZE (TARGET_64BIT_DOUBLES ? 64 : 32)
#define LONG_DOUBLE_TYPE_SIZE DOUBLE_TYPE_SIZE
-#ifdef __RX_32BIT_DOUBLES__
-#define LIBGCC2_LONG_DOUBLE_TYPE_SIZE 32
-#else
-#define LIBGCC2_LONG_DOUBLE_TYPE_SIZE 64
-#endif
-
#define DEFAULT_SIGNED_CHAR 0
/* RX load/store instructions can handle unaligned addresses. */
diff --git a/gcc/config/s390/s390.h b/gcc/config/s390/s390.h
index 2f2139e..c5edace 100644
--- a/gcc/config/s390/s390.h
+++ b/gcc/config/s390/s390.h
@@ -252,14 +252,6 @@ enum processor_flags
#define DOUBLE_TYPE_SIZE 64
#define LONG_DOUBLE_TYPE_SIZE (TARGET_LONG_DOUBLE_128 ? 128 : 64)
-/* 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
-
/* Work around target_flags dependency in ada/targtyps.c. */
#define WIDEST_HARDWARE_FP_SIZE 64
diff --git a/gcc/config/sparc/freebsd.h b/gcc/config/sparc/freebsd.h
index 371312b..d89f114 100644
--- a/gcc/config/sparc/freebsd.h
+++ b/gcc/config/sparc/freebsd.h
@@ -71,14 +71,6 @@ along with GCC; see the file COPYING3. If not see
#undef LONG_DOUBLE_TYPE_SIZE
#define LONG_DOUBLE_TYPE_SIZE (TARGET_LONG_DOUBLE_128 ? 128 : 64)
-/* 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
-
/* Definitions for 64-bit SPARC running systems with ELF. */
#define TARGET_ELF 1
diff --git a/gcc/config/sparc/linux.h b/gcc/config/sparc/linux.h
index c54ba2c..277e49a 100644
--- a/gcc/config/sparc/linux.h
+++ b/gcc/config/sparc/linux.h
@@ -122,14 +122,6 @@ do { \
SPARC ABI says that long double is 4 words. */
#define LONG_DOUBLE_TYPE_SIZE (TARGET_LONG_DOUBLE_128 ? 128 : 64)
-/* 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
-
#undef DITF_CONVERSION_LIBFUNCS
#define DITF_CONVERSION_LIBFUNCS 1
diff --git a/gcc/config/sparc/linux64.h b/gcc/config/sparc/linux64.h
index f00fb42..7f12881 100644
--- a/gcc/config/sparc/linux64.h
+++ b/gcc/config/sparc/linux64.h
@@ -70,14 +70,6 @@ along with GCC; see the file COPYING3. If not see
#undef LONG_DOUBLE_TYPE_SIZE
#define LONG_DOUBLE_TYPE_SIZE (TARGET_LONG_DOUBLE_128 ? 128 : 64)
-/* 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_SUBTARGET_SPEC
#define CPP_SUBTARGET_SPEC "\
%{posix:-D_POSIX_SOURCE} \
diff --git a/gcc/config/sparc/netbsd-elf.h b/gcc/config/sparc/netbsd-elf.h
index 949d333..5c74464 100644
--- a/gcc/config/sparc/netbsd-elf.h
+++ b/gcc/config/sparc/netbsd-elf.h
@@ -168,12 +168,6 @@ along with GCC; see the file COPYING3. If not see
#undef LONG_DOUBLE_TYPE_SIZE
#define LONG_DOUBLE_TYPE_SIZE (TARGET_LONG_DOUBLE_128 ? 128 : 64)
-#if defined(__arch64__) || defined(__LONG_DOUBLE_128__)
-#define LIBGCC2_LONG_DOUBLE_TYPE_SIZE 128
-#else
-#define LIBGCC2_LONG_DOUBLE_TYPE_SIZE 64
-#endif
-
#undef CC1_SPEC
#if DEFAULT_ARCH32_P
#define CC1_SPEC CC1_SPEC32
@@ -195,9 +189,6 @@ along with GCC; see the file COPYING3. If not see
#undef LONG_DOUBLE_TYPE_SIZE
#define LONG_DOUBLE_TYPE_SIZE 128
-#undef LIBGCC2_LONG_DOUBLE_TYPE_SIZE
-#define LIBGCC2_LONG_DOUBLE_TYPE_SIZE 128
-
#undef CC1_SPEC
#define CC1_SPEC CC1_SPEC64
@@ -210,9 +201,6 @@ along with GCC; see the file COPYING3. If not see
#undef LONG_DOUBLE_TYPE_SIZE
#define LONG_DOUBLE_TYPE_SIZE 64
-#undef LIBGCC2_LONG_DOUBLE_TYPE_SIZE
-#define LIBGCC2_LONG_DOUBLE_TYPE_SIZE 64
-
#undef CC1_SPEC
#define CC1_SPEC CC1_SPEC32
diff --git a/gcc/doc/tm.texi b/gcc/doc/tm.texi
index 396909f..10af50e 100644
--- a/gcc/doc/tm.texi
+++ b/gcc/doc/tm.texi
@@ -1542,13 +1542,6 @@ the target machine. If you don't define this, the default is
@code{BITS_PER_UNIT * 16}.
@end defmac
-@defmac LIBGCC2_LONG_DOUBLE_TYPE_SIZE
-Define this macro if @code{LONG_DOUBLE_TYPE_SIZE} is not constant or
-if you want routines in @file{libgcc2.a} for a size other than
-@code{LONG_DOUBLE_TYPE_SIZE}. If you don't define this, the
-default is @code{LONG_DOUBLE_TYPE_SIZE}.
-@end defmac
-
@defmac LIBGCC2_GNU_PREFIX
This macro corresponds to the @code{TARGET_LIBFUNC_GNU_PREFIX} target
hook and should be defined if that hook is overriden to be true. It
diff --git a/gcc/doc/tm.texi.in b/gcc/doc/tm.texi.in
index 798c1aa..f6f241b 100644
--- a/gcc/doc/tm.texi.in
+++ b/gcc/doc/tm.texi.in
@@ -1384,13 +1384,6 @@ the target machine. If you don't define this, the default is
@code{BITS_PER_UNIT * 16}.
@end defmac
-@defmac LIBGCC2_LONG_DOUBLE_TYPE_SIZE
-Define this macro if @code{LONG_DOUBLE_TYPE_SIZE} is not constant or
-if you want routines in @file{libgcc2.a} for a size other than
-@code{LONG_DOUBLE_TYPE_SIZE}. If you don't define this, the
-default is @code{LONG_DOUBLE_TYPE_SIZE}.
-@end defmac
-
@defmac LIBGCC2_GNU_PREFIX
This macro corresponds to the @code{TARGET_LIBFUNC_GNU_PREFIX} target
hook and should be defined if that hook is overriden to be true. It
diff --git a/gcc/system.h b/gcc/system.h
index 3208a9d..dbe1ceb 100644
--- a/gcc/system.h
+++ b/gcc/system.h
@@ -936,7 +936,8 @@ extern void fancy_abort (const char *, int, const char *) ATTRIBUTE_NORETURN;
EXTRA_CONSTRAINT_STR EXTRA_MEMORY_CONSTRAINT \
EXTRA_ADDRESS_CONSTRAINT CONST_DOUBLE_OK_FOR_CONSTRAINT_P \
CALLER_SAVE_PROFITABLE LARGEST_EXPONENT_IS_NORMAL \
- ROUND_TOWARDS_ZERO SF_SIZE DF_SIZE XF_SIZE TF_SIZE LIBGCC2_TF_CEXT
+ ROUND_TOWARDS_ZERO SF_SIZE DF_SIZE XF_SIZE TF_SIZE LIBGCC2_TF_CEXT \
+ LIBGCC2_LONG_DOUBLE_TYPE_SIZE
/* Hooks that are no longer used. */
#pragma GCC poison LANG_HOOKS_FUNCTION_MARK LANG_HOOKS_FUNCTION_FREE \
diff --git a/libgcc/ChangeLog b/libgcc/ChangeLog
index 9eb57755..b433070 100644
--- a/libgcc/ChangeLog
+++ b/libgcc/ChangeLog
@@ -1,5 +1,18 @@
2014-09-22 Joseph Myers <joseph@codesourcery.com>
+ * dfp-bit.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Remove.
+ (__LIBGCC_XF_MANT_DIG__): Define if not already defined.
+ (LONG_DOUBLE_HAS_XF_MODE): Define in terms of
+ __LIBGCC_XF_MANT_DIG__.
+ (__LIBGCC_TF_MANT_DIG__): Define if not already defined.
+ (LONG_DOUBLE_HAS_TF_MODE): Define in terms of
+ __LIBGCC_TF_MANT_DIG__.
+ * libgcc2.c (NOTRUNC): Define in terms of
+ __LIBGCC_*_EXCESS_PRECISION__, not LIBGCC2_LONG_DOUBLE_TYPE_SIZE.
+ * libgcc2.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Remove.
+
+2014-09-22 Joseph Myers <joseph@codesourcery.com>
+
PR target/63312
* config/ia64/sfp-machine.h (FE_EX_ALL, FP_TRAPPING_EXCEPTIONS):
New macros.
diff --git a/libgcc/dfp-bit.h b/libgcc/dfp-bit.h
index 89dbd8f..7a90a72 100644
--- a/libgcc/dfp-bit.h
+++ b/libgcc/dfp-bit.h
@@ -34,19 +34,21 @@ see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
#include "tm.h"
#include "libgcc_tm.h"
-#ifndef LIBGCC2_LONG_DOUBLE_TYPE_SIZE
-#define LIBGCC2_LONG_DOUBLE_TYPE_SIZE LONG_DOUBLE_TYPE_SIZE
-#endif
-
/* We need to know the size of long double that the C library supports.
Don't use LIBGCC2_HAS_XF_MODE or LIBGCC2_HAS_TF_MODE here because
some targets set both of those. */
+#ifndef __LIBGCC_XF_MANT_DIG__
+#define __LIBGCC_XF_MANT_DIG__ 0
+#endif
#define LONG_DOUBLE_HAS_XF_MODE \
- (BITS_PER_UNIT == 8 && LIBGCC2_LONG_DOUBLE_TYPE_SIZE == 80)
+ (__LDBL_MANT_DIG__ == __LIBGCC_XF_MANT_DIG__)
+#ifndef __LIBGCC_TF_MANT_DIG__
+#define __LIBGCC_TF_MANT_DIG__ 0
+#endif
#define LONG_DOUBLE_HAS_TF_MODE \
- (BITS_PER_UNIT == 8 && LIBGCC2_LONG_DOUBLE_TYPE_SIZE == 128)
+ (__LDBL_MANT_DIG__ == __LIBGCC_TF_MANT_DIG__)
/* Depending on WIDTH, define a number of macros:
diff --git a/libgcc/libgcc2.c b/libgcc/libgcc2.c
index dc8a235..46d6a2e 100644
--- a/libgcc/libgcc2.c
+++ b/libgcc/libgcc2.c
@@ -1866,29 +1866,25 @@ NAME (TYPE x, int m)
# define CTYPE SCtype
# define MODE sc
# define CEXT __LIBGCC_SF_FUNC_EXT__
-# define NOTRUNC __FLT_EVAL_METHOD__ == 0
+# define NOTRUNC __LIBGCC_SF_EXCESS_PRECISION__
#elif defined(L_muldc3) || defined(L_divdc3)
# define MTYPE DFtype
# define CTYPE DCtype
# define MODE dc
# define CEXT __LIBGCC_DF_FUNC_EXT__
-# if LIBGCC2_LONG_DOUBLE_TYPE_SIZE == 64
-# define NOTRUNC 1
-# else
-# define NOTRUNC __FLT_EVAL_METHOD__ == 0 || __FLT_EVAL_METHOD__ == 1
-# endif
+# define NOTRUNC __LIBGCC_DF_EXCESS_PRECISION__
#elif defined(L_mulxc3) || defined(L_divxc3)
# define MTYPE XFtype
# define CTYPE XCtype
# define MODE xc
# define CEXT __LIBGCC_XF_FUNC_EXT__
-# define NOTRUNC 1
+# define NOTRUNC __LIBGCC_XF_EXCESS_PRECISION__
#elif defined(L_multc3) || defined(L_divtc3)
# define MTYPE TFtype
# define CTYPE TCtype
# define MODE tc
# define CEXT __LIBGCC_TF_FUNC_EXT__
-# define NOTRUNC 1
+# define NOTRUNC __LIBGCC_TF_EXCESS_PRECISION__
#else
# error
#endif
diff --git a/libgcc/libgcc2.h b/libgcc/libgcc2.h
index 597b0ac..c9ddce2 100644
--- a/libgcc/libgcc2.h
+++ b/libgcc/libgcc2.h
@@ -34,10 +34,6 @@ extern void __clear_cache (char *, char *);
extern void __eprintf (const char *, const char *, unsigned int, const char *)
__attribute__ ((__noreturn__));
-#ifndef LIBGCC2_LONG_DOUBLE_TYPE_SIZE
-#define LIBGCC2_LONG_DOUBLE_TYPE_SIZE LONG_DOUBLE_TYPE_SIZE
-#endif
-
#ifdef __LIBGCC_HAS_SF_MODE__
#define LIBGCC2_HAS_SF_MODE 1
#else
generated by cgit v1.1 at 2025-02-06 06:28:44 +0000