2007-07-06 Andreas Krebbel <krebbel1@de.ibm.com>
* libgcc2.h (word_type): Type definition removed.
(cmp_return_type, shift_count_type): Type definitions added.
(__lshrdi3, __ashldi3, __ashrdi3): word_type of second parameter
replaced with shift_count_type.
(__cmpdi2, __ucmpdi2): word_type of return type replaced with
cmp_return_type.
* libgcc2.c (__udivmoddi4, __moddi3): Type of local variable c
changed from word_type to Wtype.
(__lshrdi3, __ashldi3, __ashrdi3): word_type of second parameter
replaced with shift_count_type.
(__cmpdi2, __ucmpdi2): word_type of return type replaced with
cmp_return_type.
* c-common.c (handle_mode_attribute): Handling for libgcc_cmp_return and
libgcc_shift_count attribute added.
* target-def.h (TARGET_LIBGCC_CMP_RETURN_MODE,
TARGET_LIBGCC_SHIFT_COUNT_MODE): New target hooks defined.
(TARGET_INITIALIZER): New target hooks added.
* targhooks.c (default_libgcc_cmp_return_mode,
default_libgcc_shift_count_mode): Default implementations for the new
target hooks added.
* targhooks.h (default_libgcc_cmp_return_mode,
default_libgcc_shift_count_mode): Function prototypes added.
* target.h (struct gcc_target): Fields for the new target hooks added.
* optabs.c (expand_binop): Use shift_count_mode when expanding shift
as library call.
(prepare_cmp_insn): Use cmp_return_mode when expanding comparison as
library call.
* doc/tm.texi (TARGET_LIBGCC_CMP_RETURN_MODE,
TARGET_LIBGCC_SHIFT_COUNT_MODE): Documentation added.
* config/s390/s390.c (s390_libgcc_cmp_return_mode,
s390_libgcc_shift_count_mode): Functions added.
(TARGET_LIBGCC_CMP_RETURN_MODE, TARGET_LIBGCC_SHIFT_COUNT_MODE): Target
hooks defined.
From-SVN: r126410
* libgcc2.h (AVOID_FP_TYPE_CONVERSION): Rename from
IS_IBM_EXTENDED. Also define in terms of WIDEST_HARDWARE_FP_SIZE.
* libgcc2.c (__floatdisf): Avoid double-word arithmetic when
looking for non-zero bits shifted out. Avoid a recursive call
when constructing the scalar.
(__floatundisf): Likewise.
From-SVN: r124106
2007-01-04 Eric Christopher <echristo@apple.com>
* libgcc2.c (__bswapsi2): Use SItype.
(__bswapdi2): Use DItype.
* libgcc2.h: Update for above.
From-SVN: r120454
2006-11-07 Eric Christopher <echristo@apple.com>
* libgcc2.c (__bswapdi2): Rename from bswapDI2.
(__bswapsi2): Ditto.
* libgcc2.h: Remove transformation of bswap routines.
* config/i386/i386.md (bswapsi2): New.
(bswapdi2): Ditto.
2006-11-07 Eric Christopher <echristo@apple.com>
* gcc.target/i386/builtin-bswap-1.c: Rewrite for 64-bit.
Test using scan-assembler-not.
From-SVN: r118576
* libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
libgcc2.h.
(LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
* libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
determine the size of Wtype, etc.
* mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
(swfloatfuncs): New variable.
(dwfloatfuncs): Likewise.
(lib2funcs): Remove floating-point conversion functions from
initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
the set of conversion routines needed. Allow entries to specify
an object name, filename and word size. Update users accordingly.
* Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
* config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
Revert:
2006-02-08 Roger Sayle <roger@eyesopen.com>
PR target/22209
* config/fixtfdi.c: New libgcc source file.
* config/fixunstfdi.c: New source file.
* config/floatditf.c: New source file.
* config/floatunditf.c: New souce file.
* config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
files above instead of config/mips/_tilib.c.
* config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
From-SVN: r113903
PR other/25028
* libgcc2.h (SF_SIZE, DF_SIZE, XF_SIZE, TF_SIZE): Define.
* libgcc2.c (__floatdixf, __floatundixf, __floatditf,
__floatunditf): Use #error if type sizes don't match requirements
of implementation.
(__floatdisf, __floatdidf): Unify. Possibly use XFmode or TFmode
as wider floating-point type. Use #error if type sizes don't
match requirements of implementation. Avoid overflow in computing
Wtype_MAXp1_F * Wtype_MAXp1_F. When special casing conversion,
shift one more bit. Cast 1 to DWtype or UDWtype for shifting.
(__floatundisf, __floatundidf): Likewise.
* config/ia64/hpux.h (XF_SIZE, TF_SIZE): Define.
* config/ia64/ia64.c (ia64_init_libfuncs): Use
_U_Qfcnvfxt_quad_to_quad and _U_Qfcnvxf_quad_to_quad for
TFmode-TImode conversions.
* doc/tm.texi (SF_SIZE, DF_SIZE, XF_SIZE, TF_SIZE): Document.
testsuite:
* gcc.dg/torture/fp-int-convert-timode.c: Only XFAIL for LP64 IA64
HP-UX.
From-SVN: r108598
* config/fp-bit.c (clzusi): New function.
(si_to_float, usi_to_float): Use it to compute proper shift.
(usi_to_float): Preserve guard bits when shifting right.
* libgcc-std.ver (GCC_4.2.0): New version.
* libgcc2.c (__floatundixf, __floatunditf, __floatundidf,
__floatundisf): New functions.
* libgcc2.h (__floatundixf, __floatunditf, __floatundidf,
__floatundisf): Declare.
* mklibgcc.in (lib2funcs): Add _floatundidf, _floatundisf,
_floatundixf, and _floatunditf.
* optabs.c (expand_float): If target does not define a pattern for
signed or unsigned conversion, use an unsigned libcall instead of
a signed one.
(init_optabs): Initialize ufloat_optab.
testsuite:
* gcc.c-torture/execute/floatunsisf-1.c: New test.
From-SVN: r107345
* Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
* libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed dimension of
these arrays.
* libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of these arrays.
* longlong.h: Only provide a prototype for the __clz_tab[] array if this
header has not been included from libgcc2.h.
* config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than defining
own types.
Provide prototypes for exported functions.
Use the __clz_tab[] and __popcount_tab[] arrays provided by libgcc2.c.
From-SVN: r104081
PR target/19930
* doc/tm.texi (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Document.
(LIBGCC2_HAS_DF_MODE): New.
(LIBGCC2_HAS_XF_MODE): New.
(LIBGCC2_HAS_TF_MODE): New.
* libgcc2.h (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
(LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
* libgcc2.c (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
(LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
(LIBGCC2_HAS_DF_MODE): New name for HAVE_DFMODE.
* config/ia64/t-ia64 (LIB1ASMFUNCS): Remove __compat
and add _fixtfdi, _fixunstfdi, _floatditf
* lib1funcs.asm: Remove L__compat. Add L_fixtfdi,
L_fixunstfdi, L_floatditf.
* config/ia64/hpux.h (LIBGCC2_HAS_XF_MODE): Define.
(LIBGCC2_HAS_TF_MODE): Define.
From-SVN: r95548
PR other/18665
* libgcc-std.ver (GCC_3.4.4): Inherit from GCC_3.4.2.
Export __absvti2, __addvti3, __mulvti3, __negvti2 and __subvti3.
* libgcc2.c (__addvsi3): Rename to __addvSI3.
New version if COMPAT_SIMODE_TRAPPING_ARITHMETIC.
(__addvdi3): Rename to __addvDI3.
(__subvsi3): Rename to __subvSI3. Use word type for the result.
New version if COMPAT_SIMODE_TRAPPING_ARITHMETIC.
(__subvdi3): Rename to __subvDI3.
(_mulvsi3): Rename to _mulvSI3.
New version if COMPAT_SIMODE_TRAPPING_ARITHMETIC.
(_mulvdi3): Rename to _mulvDI3.
(__negvsi2): Rename to __negvSI2.
New version if COMPAT_SIMODE_TRAPPING_ARITHMETIC.
(__negvdi2): Rename to __negvDI2.
(__absvsi2): Rename to __absvSI2.
New version if COMPAT_SIMODE_TRAPPING_ARITHMETIC.
(__absvdi2): Rename to __absvDI2.
* libgcc2.h (64-bit targets): Define COMPAT_SIMODE_TRAPPING_ARITHMETIC.
(__absvSI2, __addvSI3, __subvSI3, __mulvSI3, __negvSI2, __absvDI2,
__addvDI3, __subvDI3, __mulvDI3, __negvDI2): Define to the appropriate
symbol and declare.
(__absvsi2, __addvsi3, __subvsi3, __mulvsi3, __negvsi2): Declare if
COMPAT_SIMODE_TRAPPING_ARITHMETIC.
From-SVN: r92187
* unwind.h: Surround all visibility pragmas with #ifndef HIDE_EXPORTS.
* mklibgcc.in: Drastic restructure for comprehensibility.
Remove the old hidden-directive hack.
Eliminate support for .txt files in LIB2ADD etc (never used).
Eliminate support for assembly source files in LIB2ADDEH* and
LIBUNWIND (also never used).
Build up dependency lists for libraries incrementally.
If we have SHLIB_LINK, compile each file twice, once for the
static and once for the shared library; also probe for
-fvisibility=hidden in the generated libgcc.mk. If found,
pass that and -DHIDE_EXPORTS to the compilation of every C
source file going into the static library. If found, generate
hidden-directive lists for every assembly source file going
into the static library, but incorporate them with -include
instead of ld -r.
Write comments into generated libgcc.mk to facilitate debugging.
* Makefile.in: Pass ASM_HIDDEN_OP to mklibgcc.
* config/t-slibgcc-darwin: Define ASM_HIDDEN_OP.
* config/darwin.h (REAL_LIBGCC_SPEC): Put -lgcc back in
-Zdynamiclib case.
From-SVN: r91513
* libgcc2.c: Change all conditionals testing
LIBGCC2_LONG_DOUBLE_TYPE_SIZE == 96 to == 80.
* libgcc2.h: Likewise.
* config/i386/i386.c (ix86_init_mmx_sse_builtins): Set
TYPE_PRECISION of float80_type to 80.
* config/ia64/ia64.c (ia64_init_builtins): Set TYPE_PRECISION
of fpreg_type and float80_type to 80.
* config/i386/i386.h, config/ia64/ia64.h, config/m68k/m68k.h
* config/m68k/netbsd-elf.h:
Change LONG_DOUBLE_TYPE_SIZE and possibly LIBGCC2_LONG_DOUBLE_TYPE_SIZE
to evaluate to 80 whenever they would formerly have evaluated to 96.
* config/i386/sco5.h: Remove unnecessary redefinition of
LONG_DOUBLE_TYPE_SIZE.
* doc/rtl.texi: Clarify uses of XFmode and TFmode.
* config/i386/i386-modes.def: Use FRACTIONAL_FLOAT_MODE for
XFmode, with a bitsize of 80. Update commentary.
* config/ia64/ia64-modes.def: Likewise.
* config/m68k/m68k-modes.def: Likewise.
From-SVN: r85232
* libgcc2.c (__ffsdi2, __clzsi2, __clzdi2, __ctzsi2, __ctzdi2,
__popcountsi2, __popcountdi2, __paritysi2, __paritydi2): Change
return type to "int". Shuffle declarations and undef int trap.
* libgcc2.h: Remove their declarations.
* optabs.c (expand_unop): Force outmode to int for bitops.
From-SVN: r62353
* final.c (end_final): Use C trees to output data structures for profiling.
* Makefile.in (LIBGCC_DEPS): Added missing dependency on gcov-io.h
(profile.o): New dependency profile.h
(final.o): New dependency profile.h
* profile.h: New file. New global structure profile_info.
* final.h (count_edges_instrumented_now): Declare.
(current_function_cfg_checksum): Declare.
(function_list): New structure.
(functions_head, functions_tail): New static variables.
(end_final): Emits more data, removed some -ax stuff.
(final): Stores function names and chcksums.
* gcov-io.h (__write_gcov_string): New function.
(__read_gcov_string): New function.
* gcov.c (read_profile): New function.
(create_program_flow_graph): Uses read_profile instead of reading
da_file.
(read_files): Removed da_file checking, it's done by read_profile now.
* libgcc2.c (bb_function_info): New structure.
(bb): New field in structure, removed some -ax stuff.
(__bb_exit_func): Changed structure of da_file.
* profile.c (count_edges_instrumented_now): New global variable.
(current_function_cfg_checksum): New global variable.
(max_counter_in_program): New global variable.
(get_exec_counts): New function.
(compute_checksum): New function.
(instrument_edges): Sets count_edges_instrumented_now.
(compute_branch_probabilities): Uses get_exec_counts instead of
reading da_file.
(branch_prob): Calls compute_checksum and writes extra data to bbg_file.
(init_branch_prob): Removed da_file checking, done in get_exec_counts
now.
(end_branch_prob): Removed da_file checking, done in get_exec_counts
now.
* gcov.texi: Updated information about gcov file format.
Co-Authored-By: Pavel Nejedly <bim@atrey.karlin.mff.cuni.cz>
From-SVN: r53326
* libgcc2.c, libgcc2.h: Restore __eprintf. Label as used for
binary backward compat only.
* Makefile.in (LIB2FUNCS_ST): New. Put _eprintf here, not
in LIB2FUNCS. Pass it to mklibgcc.
* mklibgcc.in: Handle LIB2FUNCS_ST.
* Makefile.in (installdirs): Don't create $(gcc_tooldir).
From-SVN: r42057
2001-01-23 Chris Demetriou <cgd@broadcom.com>
* libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
of EH symbols.
* libgcc2.c (__terminate_func): Make variable static.
(__terminate_set_func): New function to set __terminate_func.
* libgcc2.h (__terminate_func_ptr): New typedef.
(__terminate_set_func): New function.
From-SVN: r39224
* libgcc2.h: Use Wtype for SItype and DWtype for DItype in prototypes.
* libgcc2.c (__absvsi2): Use Wtype and DWtype.
(__absvdi2, __addvsi3, __addvdi3, __subvsi3): Likewise.
(__subvdi3, __mulvsi3, __mulvdi3, __negvsi2, __negvdi2): Likewise.
From-SVN: r38314
* Makefile.in (LIB2FUNCS): Add _clz.
* libgcc2.c (__ffsdi2): Use count_trailing_zeros.
(__clz_tab): Put in its own unit, non-static.
* libgcc2.h: Always include longlong.h.
From-SVN: r36744