* fold-const.c (negate_expr_p) <RSHIFT_EXPR>: We can optimize
-((int)X>>C) where C is an integer constant one bit less than the
size of X into (unsigned)X>>C. Similarly for unsigned->signed.
(negate_expr) <RSHIFT_EXPR>: Implement the above transformations.
* simplify-rtx.c (simplify_unary_operation): Also implement the
above transformations at the RTL level.
* gcc.c-torture/execute/20040311-1.c: New test case.
From-SVN: r79334
2004-03-11 Dalibor Topic <robilad@kaffe.org>
* java/text/AttributedString.java
(addAttribute(AttributedCharacterIterator.Attribute,Object,int,int)):
Use HashMap instead of Hashtable since value can be null, and
you can not store a null value in a Hashtable.
2004-03-11 Guilhem Lavaux <guilhem@kaffe.org>
* java/text/AttributedStringIterator.java
(getAllAttributesKey): Return only keys concerned
by the current iterator.
(getAttributes): Use strict inequality for
end_index.
From-SVN: r79329
2004-03-11 Guilhem Lavaux <guilhem@kaffe.org>
* java/io/BufferedInputStream.java (marktarget): New field for max
mark limit.
(CHUNKSIZE): New constant for incremental mark buffer allocation.
(mark): Use new fields.
(read): Likewise.
(read(byte[],int,int)): Likewise.
(skip): Likewise.
(refill): Likewise.
From-SVN: r79326
2004-03-11 Eric Botcazou <ebotcazou@gcc.gnu.org>
Paolo Bonzini <bonzini@gnu.org>
PR bootstrap/14522
* configure.in: Cope with shell that do not support nesting
quotes inside quoted backquote substitutions.
* configure: Regenerate.
Co-Authored-By: Paolo Bonzini <bonzini@gnu.org>
From-SVN: r79325
2004-03-11 Mark Wielaard <mark@klomp.org>
* java/beans/BeanDescriptor.java (BeanDescriptor):
Set the FeatureDescriptor programmatic name.
From-SVN: r79324
* src/ia64/ffi.c (ffi_prep_incoming_args_UNIX): Get floating point
arguments from fp registers only for the first 8 parameter slots.
Don't convert a float parameter when passed in memory.
From-SVN: r79323
2004-03-11 Michael Koch <konqueror@gmx.de>
* gnu/java/nio/channels/natFileChannelEcos.cc: Totally reworked.
This file was was just copied form java/io/natFileDescriptorEcos.cc
and never changed to compile correctly.
From-SVN: r79320
2004-03-11 Michael Koch <konqueror@gmx.de>
* gnu/java/awt/peer/ClasspathFontPeer.java:
Fixed javadoc to be correct xhtml.
* gnu/java/awt/peer/gtk/GtkArgList.java
(add): Use Boolean.valueOf() instead of new Boolean().
From-SVN: r79313
* config/mips/mips.md: Use move_operand in splitters for 64-bit moves.
(movdi, movsi, movhi, movqi, movsf, movdf): Remove predicates.
(*movdi_32bit_mips16, *movsi_mips16, *movhi_mips16, *movqi_mips16)
(*movsf_mips16, *movdf_mips16): Name unnamed patterns. Use
move_operand as source predicate in all cases.
(*movdi_32bit): Renamed from movdi_internal. Remove 'F' constraint.
Test reg_or_0_operand. Use move_operand as source predicate.
(*movdi_64bit): Renamed from movdi_internal2. Test reg_or_0_operand.
(*movdi_64bit_mips16): Renamed from movdi_internal2_mips16.
(*movsi_internal): Renamed from movsi_internal. Test reg_or_0_operand.
(movhi, movqi, movsf, movdf): Use mips_legitimize_move.
(*movhi_internal): Renamed from movhi_internal. Test reg_or_0_operand.
Use move_operand as source predicate. Remove 'K' constraint.
(*movqi_internal): Likewise movqi_internal.
(*movsf_hardfloat): Renamed from movsf_internal1. Test
reg_or_0_operand. Use move_operand as source predicate.
(*movsf_softfloat): Likewise movsf_internal2.
(*movdf_hardfloat_64bit): Likewise movsf_internal1a.
(*movdf_hardfloat_32bit): Likewise movsf_internal1b.
(*movdf_softfloat): Likewise movdf_internal2.
* config/mips/mips.c (move_operand): Match arbitrary CONST_INTs
for DImode if !TARGET_64BIT.
(mips_legitimize_move): Simplify accordingly.
From-SVN: r79309
PR/14362
* var-tracking.c (struct variable_def): Added field refcount.
(variable_htab_free): Decrease the refcount and delete variable
only if there are no more references.
(unshare_variable): New function.
(vars_copy_1): Increase refcount instead of copying the variable.
(variable_union): Share the variables where possible, unshare
the variables if needed.
(variable_different_p): Return false if var1 and var2 are
the same structure.
(variable_was_changed): Init the refcount of new variable.
(set_frame_base_location): Unshare variable if needed.
(set_variable_part): Init the refcount of new variable.
Unshare the variables if needed.
(delete_variable_part): Unshare the variables if needed.
(emit_notes_for_differences_1): Init the refcount of new variable.
(vt_add_function_parameters): Do not add function parameters to
IN set of ENTRY_BLOCK_PTR because it is unused anyway.
(vt_initialize): Do not add frame_base_decl to IN set of
ENTRY_BLOCK_PTR because it is unused anyway.
From-SVN: r79307
2004-03-08 Paolo Bonzini <bonzini@gnu.org>
PR ada/14131
Move language detection to the top level.
* configure.in: Find default values for the tools as
soon as possible. Disable ada if GNAT is not found.
Emit error message about missing languages. Expand
--enable-languages=all for the gcc subdirectory.
(config)
2004-03-08 Paolo Bonzini <bonzini@gnu.org>
PR ada/14131
Move language detection to the top level.
* acx.m4 (ACX_PROG_GNAT): New macro, moved here
from the gcc subdirectory.
(gcc)
2004-03-08 Paolo Bonzini <bonzini@gnu.org>
PR ada/14131
Move language detection to the top level.
* configure.ac: Remove code to detect languages,
it now lives exclusively in the top level.
* aclocal.m4 (gcc_AC_PROG_GNAT): Moved to the
top level, renamed to ACX_PROG_GNAT.
(gcc/ada)
2004-03-08 Paolo Bonzini <bonzini@gnu.org>
PR ada/14131
Move language detection to the top level.
* config-lang.in: Build by default.
From-SVN: r79299
2004-03-10 Uros Bizjak <uros@kss-loka.si>
* optabs.h (enum optab_index): Add new OTI_exp10 and OTI_exp2.
(exp10_optab, exp2_optab): Define corresponding macros.
* optabs.c (init_optabs): Initialize exp10_optab and exp2_optab.
* genopinit.c (optabs): Implement exp10_optab and exp2_optab
using exp10?f2 and exp2?f2 patterns.
* builtins.c (expand_builtin_mathfn): Handle BUILT_IN_EXP10{,F,L}
using exp10_optab, and BUILT_IN_EXP2{,F,L} using exp2_optab.
(expand_builtin): Expand BUILT_IN_EXP10{,F,L} and BUILT_IN_EXP2{,F,L}
using expand_builtin_mathfn if flag_unsafe_math_optimizations is set.
* config/i386/i386.md (exp10sf2, exp10df2, exp10xf2, exp2sf2,
exp2df2, exp2xf2): New patterns to implement exp10, exp10f, exp10l,
exp2, exp2f and exp2l built-ins as inline x87 intrinsics.
* gcc.dg/builtins-34.c: New test.
From-SVN: r79279
2004-03-10 Andrew Haley <aph@redhat.com>
PR optimization/14381
* function.c (expand_function_end): Emit a blockage insn before
the epilogue when -fnon-call-exceptions is used.
* except.c (expand_start_all_catch): Make comment more accurate.
From-SVN: r79266
2004-03-10 Andrew Haley <aph@redhat.com>
* function.c (expand_function_end): Emit a blockage insn before
the epilogue when -fnon-call-exceptions is used.
* except.c (expand_start_all_catch): Make comment more accurate.
From-SVN: r79265
