* gcse.c (delete_null_pointer_checks_1): Do not use delelete_list;
call purge_dead_edges after removing.
(delete_null_pointer_checks): Do not handle delete_list.
* cfgbuild.c (inside_basic_block_p, control_flow_insn_p): Break out from ...
(count_basic_blocks): ... here.
(find_basic_blocks, find_bb_boundaries): Cleanup.
* stor-layout.c (fixup_signed_type, fixup_unsigned_type): Avoid
overflow for types greater then 2 * HOST_WIDE_INT.
* reload.c (find_reloads): Update the duplicates after swapingg.
From-SVN: r47551
* config/rs6000/rs6000.h (MASK_ALTIVEC_ABI,
MASK_LONG_DOUBLE_128): Delete.
(MASK_AIX_STRUCT_RET, MASK_AIX_STRUCT_RET_SET,
TARGET_AIX_STRUCT_RET): New flags.
(TARGET_SWITCHES): Remove entries for -mlong-double-128 and
-mlong-double-64. Add entries for -m(no-)aix-struct-return
and -m(no-)svr4-struct-return.
(TARGET_OPTIONS): Add entry for -mlong-double-.
(rs6000_long_double_size_string, rs6000_long_double_type_size,
rs6000_altivec_abi): Declare.
(TARGET_LONG_DOUBLE_128, TARGET_ALTIVEC_ABI,
LONG_DOUBLE_TYPE_SIZE): Change definitions to match.
(RETURN_IN_MEMORY): If !TARGET_AIX_STRUCT_RET, return
structures of size <= 8 bytes in registers.
(PRINT_OPERAND_PUNCT_VALID_P): Take out '$' and '*'.
* config/rs6000/rs6000.c (rs6000_long_double_size_string,
rs6000_long_double_type_size, rs6000_altivec_abi): New
globals.
(rs6000_override_options): Set rs6000_long_double_type_size
from rs6000_long_double_size_string, if nonzero. Set the
MASK_AIX_STRUCT_RET bit in target_flags from DEFAULT_ABI, if
not already set.
(rs6000_parse_abi_options): Set rs6000_altivec_abi, not a
target_flags bit.
(rs6000_init_builtins): This hook now takes no arguments.
* config/rs6000/netbsd.h, config/rs6000/linux.h: Define
DRAFT_V4_STRUCT_RET to 1.
From-SVN: r47541
2001-12-02 Phil Edwards <pme@gcc.gnu.org>
* docs/html/ext/howto.html: Update list of implemented DRs.
* docs/html/ext/lwg-active.html: Import R20 from upstream.
* docs/html/ext/lwg-defects.html: Import R20 from upstream.
From-SVN: r47540
* c-typeck.c (really_start_incremental_init, push_init_level):
Avoid constructor_max_index being other than an INTEGER_CST.
testsuite:
* gcc.dg/vla-init-1.c: New test.
From-SVN: r47539
* config/alpha/vms.h (VMS_DEBUGGING_INFO): New macro.
(PREFERRED_DEBUGGING_TYPE): Define as VMS_AND_DWARF2_DEBUG.
(ASM_SPEC): Don't redefine.
(OPTIMIZATION_OPTIONS, OVERRIDE_OPTIONS, LINK_SPEC): Define.
* config/alpha/t-vms (EXTRA_PARTS): Use; add rule for vms-dwarf2.asm.
* config/alpha/vms-dwarf2.asm: New file.
* Makefile.in (OBJS): Add vmsdbgout.c and its rule.
* c-lex.c (init_c_lex): Test for VMS_AND_DWARF2_DEBUG.
* debug.h (gcc_debug_hooks): Add vmsdbg_debug_hooks.
(vmsdbgout_after_prologue): New declaration.
* defaults.h (VMS_DEBUGGING_INFO): Add to PREFERRED_DEBUGGING_TYPE.
* dwarf2.h (dwarf_attribute): New DW_AT_VMS_rtnbeg_pd_address.
* dwarf2out.c (dwarf2out_do_frame): Test for VMS_AND_DWARF2_DEBUG.
(dwarf2out_frame_finish): Test for VMS_AND_DWARF2_DEBUG.
(dwarf_attr_name): Use DW_AT_VMS_rtnbeg_pd_address.
(add_name_and_src_coords_attributes): Test VMS_DEBUGGING_INFO
* final.c (final_start_function): Test for VMS_AND_DWARF2_DEBUG.
Test VMS_DEBUGGING_INFO.
(final_end_function): Test for VMS_AND_DWARF2_DEBUG.
(final_scan_insn): Test for VMS_AND_DWARF2_DEBUG and VMS_DEBUG.
* flags.h (debug_info_type): Add VMS_DEBUG and VMS_AND_DWARF2_DEBUG.
* toplev.c (compile_file): Test VMS_DEBUGGING_INFO, VMS_DEBUG, and
VMS_AND_DWARF2_DEBUG.
(rest_of_type_compilation): Test for VMS_AND_DWARF2_DEBUG.
(decode_g_option): Add "vms" to debug_type_names.
(process_options): Set vmsdbg_debug_hooks if -gvms.
(lang_independent_init): Emit line number for VMS unless -g0.
* tree.c: (build_complex_type): Test for VMS_AND_DWARF2_DEBUG.
* vmsdbg.h, vmsdbgout.c: New files.
From-SVN: r47532
* config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Simplify.
* config/rs6000/rs6000.c (rs6000_emit_move): Use adjust_address
rather than simplify_subreg. Check for volatile-ness. Check that
we're not splitting one slow operation into two slow operations.
In gcc/testsuite/:
* gcc.c-torture/compile/structs.c: New testcase from GDB.
From-SVN: r47524
* config/rs6000/rs6000.h (LEGITIMATE_LO_SUM_ADDRESS_P): Complex
LO_SUM addresses less than word size are not legitimate,
because they lead to invalid SUBREGs.
* config/rs6000/rs6000.c (rs6000_legitimize_address): Likewise.
From-SVN: r47514
2001-12-01 Olivier Hainque <hainque@act-europe.fr>
* unroll.c (loop_iterations): Give up on jumps with null JUMP_LABEL
while scanning for multiple back edges.
From-SVN: r47510
2001-12-01 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
* ginclude/ppc-asm.h (JUMP_TARGET): New macro.
* config/rs6000/tramp.asm: Use it.
From-SVN: r47509
2001-11-30 Daniel Berlin <dan@cgsoftware.com>
* config/rs6000/rs6000.c (altivec_expand_builtin): add
ALTIVEC_BUILTIN_LD_INTERNAL_4sf and ALTIVEC_BUILTIN_ST_INTERNAL_4sf,
*_16qi,_8hi, rename existing V4SI ones to *_4si.
(altivec_init_builtins): Ditto.
(bdesc_2arg): Rename CODE_FOR_* to match changes in MD file.
* config/rs6000/rs6000.md: Add attribute types vecsimple,
veccomplex, vecfloat, and vecperm, for altivec instructions.
Modify altivec patterns to use approriate attribute type.
Modify altivec patterns to match RTL operations where approriate
(IE no unspec where we can avoid it).
Add vector unit scheduling for ppc7450.
Rename patterns to what they are where approriate
(altivec_vaddfp->addv4sf3, etc)
* config/rs6000/rs6000.h (enum rs6000_builtins): Change VRS->VSR.
Pass -mppc, and define _ARCH_PPC, if -mcpu=7450 is used.
* config/rs6000/sysv4.h: Add -mcpu=7450.
* testsuite/gcc.dg/altivec-1.c: Update test to take into account renamed
_builtin_altivec_ld_interal function.
From-SVN: r47502
2001-11-30 Aldy Hernandez <aldyh@redhat.com>
* rs6000.h (CALL_REALLY_USED_REGISTERS): New.
(CONDITIONAL_REGISTER_USAGE): Set call_really_used_registers to
the values in call_used_registers.
From-SVN: r47493
Zack Weinberg
Jeff Law
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