* builtins.c (fold_builtin): Optimize cos(-x) as cos(x).
* fold-const.c (fold <NEGATE_EXPR>): Convert -f(x) into f(-x)
when x is easily negated and f is sin, tan or atan.
(fold <MULT_EXPR>): Optimize tan(x)*cos(x) and cos(x)*tan(x) as
sin(x) with flag_unsafe_math_optimizations.
(fold <RDIV_EXPR>): With flag_unsafe_math_optimizations fold
sin(x)/cos(x) as tan(x) and cos(x)/sin(x) as 1.0/tan(x).
* gcc.dg/builtins-20.c: New test case.
From-SVN: r67701
* fold-const.c (fold <EQ_EXPR>): Don't fold x == x only if x
is a floating point type *and* we currently honor NaNs.
(fold <NE_EXPR>): Likewise.
From-SVN: r67700
PR c++/11131
* tree-inline.c (inlinable_function_p): Call the language-specific
hook early.
PR c++/11131
* cp-tree.h (template_for_substitution): Declare.
* decl2.c (mark_used): Use it when figuring out whether or not a
function is inline.
* pt.c (template_for_substitution): Give it external linkage.
* tree.c (cp_cannot_inline_tree_fn): Instantiate as early as
possible.
PR c++/11131
* g++.dg/opt/template1.C: New test.
From-SVN: r67698
2003-06-09 Scott Gilbertson <scottg@mantatest.com>
* gnu/gcj/xlib/natFont.cc (getMaxAscent): adjusted return value.
(getMaxDescent): adjusted return value.
(getAscent): modified to use metrics for 'O'.
(getDescent): modified to use metrics for 'y'.
From-SVN: r67692
2003-06-09 Paolo Carlini <pcarlini@unitus.it>
* include/bits/fstream.tcc (_M_underflow): Do not special
case the unbuffered case, which really means simply a one char
get area.
(basic_filebuf): Initialize _M_buf_size.
(setbuf): Unbuffered means _M_buf_size == 1, since only
_M_buf_size - 1 == 0 chars are going to be used for the
put area and 1 for the get area.
* include/std/std_streambuf.h (_M_buf_size): Move to basic_filebuf.
(~basic_streambuf): Tweak.
(basic_streambuf): Do not initialize _M_buf_size.
* include/std/std_fstream.h (_M_buf_size): Add from basic_streambuf.
(~basic_filebuf): Tweak.
(_M_set_buffer): Tweak, considering that _M_buf_size == 1 is the
unbuffered situation (i.e., put area pointers NULL).
* include/bits/streambuf.tcc (sbumpc): Clean up.
* testsuite/27_io/basic_filebuf/sputbackc/char/1.cc: Split into...
* testsuite/27_io/basic_filebuf/sputbackc/char/1-in.cc: New.
* testsuite/27_io/basic_filebuf/sputbackc/char/1-io.cc: New.
* testsuite/27_io/basic_filebuf/sputbackc/char/1-out.cc: New.
* testsuite/27_io/basic_filebuf/sputbackc/char/2-in.cc: New.
* testsuite/27_io/basic_filebuf/sputbackc/char/2-io.cc: New.
* testsuite/27_io/basic_filebuf/sputbackc/char/2-out.cc: New.
From-SVN: r67686
PR 8861
* mangle.c (write_real_cst): New function. Implement
ABI-compliant mangling of floating-point literals when
-fabi-version>=2; provide backward compatibility with 3.3 when
-fabi-version=1 (with warning). Clarify commentary.
(write_template_arg_literal): Use write_real_cst.
From-SVN: r67670
2003-06-09 Phil Edwards <pme@gcc.gnu.org>
* acinclude.m4: Move all AM_CONDITIONAL calls out.
(GLIBCPP_CONFIGURE): Set defaults for variables used in AM_CONDITIONAL
statements.
* configure.in: Centralize AM_CONDITIONALs so that they are always
run. Make use of GLIBCPP_IS_CROSS_COMPILING.
* aclocal.m4, configure: Regenerated.
From-SVN: r67663
* config/mips/mips.h (GLOBAL_POINTER_REGNUM): New macro.
(PIC_OFFSET_TABLE_REGNUM): Look at pic_offset_table_rtx after reload.
(STARTING_FRAME_OFFSET): Don't allocate a cprestore slot for
n32/64 PIC.
(MUST_SAVE_REGISTERS): Delete.
* config/mips/mips.c (mips_frame_info): Remove extra_size field.
(machine_function): Add global_pointer field.
(mips_classify_constant): Check for (const $gp) using pointer equality
with pic_offset_table_rtx.
(mips_classify_constant): Handle RELOC_LOADGP_HI and RELOC_LOADGP_LO.
(mips_restore_gp): Use current_function_outgoing_args_size.
(print_operand): Use PIC_OFFSET_TABLE_REGNUM instead of
GP_REG_FIRST + 28. Handle relocation strings that have
more than one '('.
(mips_reloc_string): Handle RELOC_LOADGP_HI and RELOC_LOADGP_LO.
(mips_global_pointer): New function.
(mips_save_reg_p): New function, mostly split out from...
(compute_frame_size): ...here. Remove handling of extra_size.
Reclaim args_size if no variables depend on it. Don't treat gp
as a special case: handle it in the main GPR loop.
(mips_initial_elimination_offset): Fix comment.
(save_restore_insns): Save every register in the GPR mask,
removing distinction between mask and real_mask.
(mips_output_function_prologue): Update .frame psuedo-op after
the removal of extra_size. Move the SVR4 PIC stack allocation
and cprestore instructions to mips_expand_prologue.
(mips_gp_insn): New function.
(mips_expand_prologue): Set REGNO (pic_offset_table_rtx) to
the chosen global pointer. Handle SVR4 PIC stack allocation
in the same way as other ABIs. Adjust varargs code accordingly.
Emit a cprestore insn after allocating the stack. Use mips_gp_insn
to emit the loadgp sequence. Follow it with a loadgp_blockage
if not using explicit relocs.
(mips_output_function_epilogue): Reinstate the default gp register.
(mips16_gp_pseudo_reg): Use pic_offset_table_rtx.
(mips16_optimize_gp): Likewise.
* config/mips/mips.md (UNSPEC_LOADGP): Remove.
(UNSPEC_SETJMP, UNSPEC_LONGJMP): Remove.
(UNSPEC_CPRESTORE, RELOC_LOADGP_HI, RELOC_LOADGP_LO): New.
(loadgp): Remove.
(loadgp_blockage, cprestore): New instructions.
(builtin_setjmp_setup): Implement using emit_move_insn. Use
pic_offset_table_rtx.
(builtin_setjmp_setup_32, builtin_setjmp_setup_64): Remove.
(builtin_longjmp): Use gen_raw_REG to force use of $28.
Co-Authored-By: Alexandre Oliva <aoliva@redhat.com>
From-SVN: r67656
* config/mips/mips.c (mips_reg_names): Change hilo entry to "".
(mips_sw_reg_names): Likewise.
(mips_regno_to_class): Change hilo entry to NO_REGS.
(hilo_operand): Use MD_REG_P.
(extend_operator): New predicate.
(override_options): Remove 'a' constraint.
(mips_secondary_reload_class): Remove hilo handling. Also remove
handling of (plus sp reg) reloads for mips16.
(mips_register_move_cost): Remove hilo handling.
* config/mips/mips.h (FIXED_REGISTERS): Make hilo entry fixed.
(MD_REG_LAST): Remove hilo from range.
(HILO_REGNUM): Delete.
(reg_class): Remove HILO_REG and HILO_AND_GR_REGS.
(REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update accordingly.
(PREDICATE_CODES): Add entry for extend_operator.
(DEBUG_REGISTER_NAMES): Change hilo entry to "".
* config/mips/mips.md: Remove hilo clobbers wherever they occur.
Remove constraints from multiplication define_expands. Remove
clobbers from "decorative" define_expand patterns.
(UNSPEC_HILO_DELAY): Delete.
(*mul_acc_si, *mul_sub_si): Add early-clobber to operand 6.
(mulsidi3, umulsidi3): Change pattern to match the TARGET_64BIT case.
Adjust C code to just emit insns for !TARGET_64BIT.
(mulsidi3_internal): Rename to mulsidi3_32bit.
(mulsidi3_64bit): Use a "d" constraint for the destination.
Use extend_operator so that the pattern can handle umulsidi3 as well.
Split the instruction after reload.
(*mulsidi3_64bit_parts): New pattern, generated by mulsidi3_64bit.
(umulsidi3_internal): Rename to umulsidi3_32bit.
(umulsidi3_64bit): Remove.
(*smsac_di, *umsac_di): Line-wrap fixes.
(udivsi3_internal): Don't allow operand 2 to be constant.
(udivdi3_internal, umodsi3_internal, umoddi3_internal): Likewise.
(movdi_internal2, movsi_internal): Remove hilo alternatives.
(reload_in[sd]i, reload_out[sd]i, hilo_delay): Remove.
From-SVN: r67654
* expr.h (EXPAND_MEMORY): New.
* expr.c (expand_expr): Check it.
* stmt.c (expand_asm_operands): Provide it when the constraint
requires a memory. Warn for memory input constraints without
a memory operand.
* gcc.dg/20011029-2.c: Fix the array reference.
* gcc.dg/asm-7.c: New.
From-SVN: r67645
2003-06-08 Anthony Green <green@redhat.com>
* java/net/URLStreamHandler.java (sameFile): Fix port value
comparison.
* java/net/URL.java (handler): Make package private.
* gnu/gcj/protocol/http/Handler.java (getDefaultPort): New method.
From-SVN: r67640
