+2001-02-14 Joel Sherrill <joel@OARcorp.com>
+
+ * config/arm/rtems-elf.h, config/h8300/rtems.h: Removed redundant
+ -Acpu() and -Amachine() to eliminate warnings.
+
+2002-02-14 Ulrich Weigand <uweigand@de.ibm.com>
+
+ * config/s390/linux.h (ASM_OUTPUT_ALIGNED_BSS): New.
+
+2002-02-14 Kazu Hirata <kazu@hxi.com>
+
+ * config/h8300/h8300-protos.h: Update the prototype for
+ const_costs.
+ * config/h8300/h8300.c (const_costs): Treat SET as a little
+ more expensive operation.
+ * config/h8300/h8300.h (DEFAULT_RTX_COSTS): Update the
+ reference to const_costs.
+
+2002-02-14 Hans-Peter Nilsson <hp@axis.com>
+
+ * config.gcc (c4x-*-rtems*): Fix typo in tm_file setting.
+
+2002-02-14 Jakub Jelinek <jakub@redhat.com>
+
+ PR c/5503:
+ * c-decl.c (duplicate_decls): If builtin type has TYPE_ARG_TYPES NULL,
+ use arguments from newtype.
+
+2002-02-13 Eric Christopher <echristo@redhat.com>
+
+ * config/mips/mips.c (override_options): Add check for march/mipsX
+ on the same command line. Fix error message in cpu processing.
+ Remove architecture and ISA checks.
+
+2002-02-14 Aldy Hernandez <aldyh@redhat.com>
+
+ * config/rs6000/darwin.h (ROUND_TYPE_ALIGN): Adjust for vectors.
+
+ * config/rs6000/sysv4.h (ROUND_TYPE_ALIGN): Add MAX.
+
+2002-02-14 Aldy Hernandez <aldyh@redhat.com>
+
+ * config/rs6000/rs6000.md ("*movv4si_internal"): Add m<-r and r<-r
+ alternatives.
+ ("*movv8hi_internal1"): Same.
+ ("*movv16qi_internal1"): Same.
+ ("*movv4sf_internal1"): Same.
+
+ * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
+ not push_reload for altivec modes.
+
+2002-02-13 Joel Sherrill <joel@OARcorp.com>
+
+ * config.gcc (a29k-*-rtems), config/a29k/rtems.h: General cleanup across
+ all RTEMS targets including removal of #includes from config/*/rtems*.h
+ file and adding them to tm_file setting. Added xm_defines=POSIX to
+ many targets.
+ * config.gcc (c4x-*-rtems), config/c4x/rtems.h: Ditto.
+ * config.gcc (h8300-*-rtems), config/h8300/rtems.h: Ditto.
+ * config.gcc (hppa1.1-*-rtems), config/pa/rtems.h: Ditto.
+ * config.gcc (i960-*-rtems), config/i960/rtems.h: Ditto.
+ * config.gcc (m68k-*-rtems*), config/m68k/rtems.h,
+ config/m68k/rtemself.h: Ditto.
+ * config.gcc (mips*-*-rtems*), config/mips/rtems.h,
+ config/mips/rtems64.h: Ditto.
+ * config.gcc (powerpc-*-rtems*), config/rs6000/rtems.h: Ditto.
+ * config.gcc (sh-*-rtems*), config/sh/rtems.h, config/sh/rtemself.h:
+ Ditto.
+ * config.gcc (sparc-*-rtems*), config/sparc/rtems.h,
+ config/sparc/rtemself.h: Ditto.
+ * config.gcc (v850-*-rtems*), config/v850/rtems.h: Ditto.
+ * config.gcc (arm-rtems), config/arm/rtems-elf.h: Ditto plus moved
+ arm-rtems stanza closer to other arm-elf targets and made arm-rtems
+ more like arm-elf.
+ * config.gcc (i[34567]86-*-rtems*), config/i386/djgpp-rtems.h,
+ config/i386/rtems.h, config/i386/rtemself.h: Ditto plus i386-rtemself
+ target made more similar to i386-elf.
+ * config/i386/t-rtems-i386: Added soft float support and multilibs.
+ * config/m68k/t-m68kbare: Add 68040 and 68060 as multilib alternatives to
+ be similar to config/m68k/t-m68kelf.
+ * gthr-rtems.h: Encapsulate with extern "C" for C++.
+
+Wed Feb 13 23:41:15 CET 2002 Jan Hubicka <jh@suse.cz>
+
+ * regmove.c (kill_value): Handle subregs.
+
+Wed Feb 13 23:34:30 CET 2002 Jan Hubicka <jh@suse.cz>
+
+ * i386.md (mul patterns): Allow memory operand to be first;
+ add expanders where needed; fix constraints.
+ (min?f_nonieee, max?f_nonieee, SSE TImode patterns):
+ Allow memory operand to be the first.
+
+ * i386.c (ix86_prepare_fp_compare_args): Fix condition for swapping
+ operands.
+
+2002-02-13 Jakub Jelinek <jakub@redhat.com>
+
+ PR c/5681:
+ * expr.c (safe_from_p): Pass VOIDmode to true_dependence instead of
+ GET_MODE (x).
+
+2002-02-13 Jakub Jelinek <jakub@redhat.com>
+
+ PR optimization/5547:
+ * config/i386/i386.c (i386_simplify_dwarf_addr): Simplify
+ all valid IA-32 address modes involving non-scaled %ebx and
+ GOT/GOTOFF as displacement.
+
+2002-02-13 Ulrich Weigand <uweigand@de.ibm.com>
+
+ * config/s390/s390.c (s390_final_chunkify): Re-run shorten_branches
+ after emitting ltorg insns.
+
+ * config/s390/s390.md (*cmpdf_ccs_0, *cmpdf_ccs, *cmpsf_ccs_0,
+ *cmpsf_ccs, truncdfsf2_ieee, *adddf3, *addsf3, *subdf3, *subsf3,
+ *muldf3, *mulsf3, *divdf3, *divsf3, *negdf2, *negsf2, *absdf2,
+ *abssf2): Fix "op_type" attribute.
+
+2002-02-13 Douglas B Rupp <rupp@gnat.com>
+
+ * mkconfig.sh: Avoid using a subshell redirect.
+ ($output.T): Change to $(output)T.
+ (ENABLE_NLS): Remove unneeded undef.
+
+ * config/alpha/vms.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX): Define.
+ * config/alpha/x-vms (libsubdir): Define.
+
+ * config/alpha/vms.h (MD_FALLBACK_FRAME_STATE_FOR): Handle
+ register frame procedures. Optimize retrieving context.
+
+ * config/alpha/t-vms (MULTILIB_OPTIONS): Define.
+ (MULTILIB_DIRNAME, LIBGCC, INSTALL_LIBGCC): Likewise.
+ * config/alpha/vms.h (ASM_FILE_START): Write .arch directive.
+
+Wed Feb 13 09:45:08 2002 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * alias.c (find_base_term, case ZERO_EXTEND, case SIGN_EXTEND):
+ Make same change as for find_base_value.
+
+2002-02-13 Kazu Hirata <kazu@hxi.com>
+
+ * config/h8300/h8300.h (MODES_TIEABLE_P): Accept a combination
+ of QImode and SImode.
+
+2002-02-13 Kazu Hirata <kazu@hxi.com>
+
+ * config/h8300/h8300.c (h8300_adjust_insn_length): Correct the
+ length computation of movsi.
+ * config/h8300/h8300.md (movsi_h8300hs): Correct the length.
+
+2002-02-13 Kazu Hirata <kazu@hxi.com>
+
+ * config/h8300/h8300.md (subqi3): Tighten the predicate for
+ operands[2] to register_operand.
+
+Wed Feb 13 10:35:56 CET 2002 Jan Hubicka <jh@suse.cz>
+
+ * i386.md (fop_*_comm_*): allow nonimmediate in the first operand.
+
+2002-02-12 Aldy Hernandez <aldyh@redhat.com>
+
+ * config/rs6000/rs6000.md: Use predicate altivec_register_operand
+ for altivec_lvx* and altivec_stvx*.
+ ("*movv4si_internal"): Add constraint for loading from GPRs.
+ ("*movv8hi_internal1"): Same.
+ ("*movv16qi_internal1"): Same.
+ ("*movv4sf_internal1"): Same.
+
+ * config/rs6000/rs6000.c (altivec_register_operand): New.
+
+ * config/rs6000/rs6000.h (PREDICATE_CODES): Add
+ altivec_register_operand.
+
+2002-02-13 Hans-Peter Nilsson <hp@bitrange.com>
+
+ * config/mmix/mmix.c (mmix_assemble_integer) <case 4>: Don't
+ handle SYMBOL_REF.
+
+2002-02-13 Stan Shebs <shebs@apple.com>
+
+ * c-typeck.c (digest_init): Handle vectors.
+ (really_start_incremental_init): Same.
+ (pop_init_level): Same.
+ (process_init_element): Same.
+
+ * varasm.c (output_constant): Same.
+
+ * expr.c (clear_storage): Same.
+ (store_constructor): Same.
+
+2002-02-12 Eric Christopher <echristo@redhat.com>
+
+ * explow.c (hard_function_value): Add comment explaining
+ signed/unsigned comparison.
+
+2002-02-12 Jakub Jelinek <jakub@redhat.com>
+
+ * jump.c (never_reached_warning): Add finish argument.
+ If finish is NULL, stop on CODE_LABEL, otherwise stop before first
+ real insn after end.
+ * rtl.h (never_reached_warning): Adjust prototype.
+ * cse.c (cse_insn): Pass NULL as finish to never_reached_warning.
+ * cfgrtl.c (flow_delete_block): Pass b->end as finish to
+ never_reached_warning.
+
+2002-02-12 Graham Stott <grahams@redhat.com>
+
+ * config/hp/pa.h (GO_IF_LEGITIMATE_ADDRESS): Fix typos.
+
+2002-02-12 Kazu Hirata <kazu@hxi.com>
+
+ * config/h8300/h8300.c (shift_alg_hi): Improve the 15-bit
+ logical shifts on H8/300.
+ (shift_alg_si): Improve several shifts on H8/300.
+ (get_shift_alg): Likewise.
+
+2002-02-12 Graham Stott <grahams@redhat.com>
+
+ * config/pa/pa.c (compute_movstrsi_length): Fix typos.
+
+Tue Feb 12 10:12:56 2002 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * alias.c (find_base_value, case ZERO_EXTEND, case SIGN_EXTEND):
+ Handle #ifdef POINTERS_EXTEND_UNSIGNED.
+
+2002-02-11 Hans-Peter Nilsson <hp@bitrange.com>
+
+ * config/mmix/mmix.c (mmix_assemble_integer) <case 1, 2>: Handle
+ non-CONST_INT through default_assemble_integer.
+ <case 4>: Likewise, for non-CONST_INT, non-SYMBOL_REF.
+ <case 8>: Abort for CONST_DOUBLE.
+
+2002-02-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
+
+ * gcc.c (init_gcc_specs): Add static libgcc to link when "-shared"
+ is specified.
+ * config/pa/pa-linux.h (LIB_SPEC): Delete.
+ * config/pa/pa32-linux.h (LINK_COMMAND_SPEC): Delete.
+
+2002-02-11 Andrew Haley <aph@cambridge.redhat.com>
+
+ * config/stormy16/stormy16.md (zero_extendqihi2): New.
+
+2002-02-11 Alexandre Oliva <aoliva@redhat.com>
+
+ * regrename.c (regrename_optimize): Don't accept a
+ part-clobbered register if the replaced register is not part
+ clobbered.
+
+ * calls.c (store_one_arg): In the non-BLKmode non-partial case,
+ take padding into account when computing the argument value.
+
+ * config/sh/sh.h (FUNCTION_ARG_REGNO_P): Fix parenthesizing error.
+
+ * combine.c (try_combine): Apply substitutions in
+ CALL_INSN_FUNCTION_USAGE too.
+
+2002-02-11 Aldy Hernandez <aldyh@redhat.com>
+
+ * config/rs6000/rs6000.c (altivec_init_builtins): Handle
+ __builtin_altivec_abs*.
+ (bdesc_abs): New.
+
+ * config/rs6000/rs6000.h (rs6000_builtins): Add
+ ALTIVEC_BUILTIN_ABS*.
+
+ * config/rs6000/altivec.h: Use const char for builtins expecting
+ literals.
+ (vec_abs): New versions for C and C++.
+ (vec_abss): Same.
+
+2002-02-10 Kazu Hirata <kazu@hxi.com>
+
+ * config/h8300/h8300.h (INITIALIZE_TRAMPOLINE): Simplify by
+ using Pmode.
+
+2002-02-10 Kazu Hirata <kazu@hxi.com>
+
+ * config/h8300/h8300.h (STACK_POINTER_REGNUM): Use the
+ constant definition from h8300.md.
+ (FRAME_POINTER_REGNUM): Likewise.
+ * config/h8300/h8300.md (define_constants): Add FP_REG.
+
+2002-02-10 Kazu Hirata <kazu@hxi.com>
+
+ * config/h8300/h8300.c (print_operand): Remove redundant code.
+
+2002-02-10 Kazu Hirata <kazu@hxi.com>
+
+ * config/h8300/h8300-protos.h: Remove the prototype for byte_reg.
+ * config/h8300/h8300.c (byte_reg): Make it static.
+
+2002-02-10 Richard Henderson <rth@redhat.com>
+
+ PR c/5623
+ * c-typeck.c (incomplete_type_error): Handle flexible array members.
+
+2002-02-10 Richard Henderson <rth@redhat.com>
+
+ PR c++/5624
+ * tree.c (append_random_chars): Don't abort if main_input_filename
+ does not exist.
+
+2002-02-10 Hans-Peter Nilsson <hp@bitrange.com>
+
+ * config/mmix/t-mmix (MULTILIB_EXTRA_OPTS): Disable.
+
+2002-02-10 Kazu Hirata <kazu@hxi.com>
+
+ * config/h8300/h8300.md (pushhi1_h8300): Correct the mode used.
+ (pushhi1): Likewise.
+
+2002-02-10 John David Anglin <dave@hiauly1.hia.nrc.ca>
+
+ * pa.c (reg_before_reload_operand): Don't accept a SUBREG operand.
+ * pa.h (PREDICATE_CODES): Adjust codes for reg_before_reload_operand.
+
+2002-02-09 David O'Brien <obrien@FreeBSD.org>
+
+ * config/sparc/freebsd.h(TARGET_DEFAULT): Add MASK_EPILOGUE setting and
+ remove MASK_VIS.
+ (ASM_CPU_DEFAULT_SPEC): Remove. Default setting is fine.
+
+2002-02-09 Kazu Hirata <kazu@hxi.com>
+
+ * config/h8300/h8300.c (output_logical_op): Use sub.w to clear
+ a half of an SImode register on H8/300.
+
+Sat Feb 9 18:28:02 CET 2002 Jan Hubicka <jh@suse.cz>
+
+ * i386.md (movdi_2): Add missing '!'.
+
+2002-02-09 Kazu Hirata <kazu@hxi.com>
+
+ * config/h8300/h8300.h: Fix formatting. Remove commented-out
+ definitions.
+
+2002-02-09 Kazu Hirata <kazu@hxi.com>
+
+ * config/h8300/h8300.md (length): Correct the distance valid
+ for the short branch.
+
+2002-02-09 Kazu Hirata <kazu@hxi.com>
+
+ * config/h8300/h8300.md (iorhi3): Tighten the predicates.
+
+2002-02-09 Alexandre Oliva <aoliva@redhat.com>
+
+ * config/sh/sh.h (REGISTER_NATURAL_MODE): Save part-clobbered
+ registers in SImode.
+ (HARD_REGNO_CALL_PART_CLOBBERED) [TARGET_SHMEDIA32]: Set r18 as
+ part-clobbered.
+
+ * config/sh/sh.c (expand_prologue): Fix mis-applied 2001-11-09's
+ patch.
+
+ Contribute sh64-elf.
+ 2002-02-09 Alexandre Oliva <aoliva@redhat.com>
+ * config/sh/sh.c (TARGET_CANNOT_MODIFY_JUMPS_P): Define to...
+ (sh_cannot_modify_jumps_p): New function.
+ 2002-02-05 Alexandre Oliva <aoliva@redhat.com>
+ * config/sh/sh.c (TARGET_MS_BITFIELD_LAYOUT_P): Define to...
+ (sh_ms_bitfield_layout_p): New function.
+ 2002-02-04 Alexandre Oliva <aoliva@redhat.com>
+ Zack Weinberg <zack@codesourcery.com>
+ * config/sh/sh.h (TRAMPOLINE_ADJUST_ADDRESS): Use
+ expand_simple_binop instead of expand_binop.
+ 2002-02-03 Alexandre Oliva <aoliva@redhat.com>
+ * config/sh/sh.h (OVERRIDE_OPTIONS) [! TARGET_SH5]: Disable
+ use of .quad and .uaquad.
+ * config/sh/sh.c (TARGET_ASM_UNALIGNED_DI_OP,
+ TARGET_ASM_ALIGNED_DI_OP): Add comment pointing to the above.
+ 2002-01-24 Alexandre Oliva <aoliva@redhat.com>
+ * config/sh/sh.md (movdi_const, movdi_const_32bit,
+ movdi_const_16bit): Make sure all CONSTs have modes.
+ (sym2PIC): Ditto, but by adjusting all callers.
+ * config/sh/sh.c (calc_live_regs) [TARGET_SHCOMPACT]: Set pr_live
+ if the prologue calls the SHmedia argument decoder or register
+ saver.
+ 2002-01-24 Alexandre Oliva <aoliva@redhat.com>
+ * config/sh/sh.c (TARGET_ASM_UNALIGNED_DI_OP): Define.
+ (TARGET_ASM_ALIGNED_DI_OP): Likewise.
+ (sh_expand_epilogue): Don't emit USE of return target register.
+ (prepare_move_operands): Legitimize DImode PIC addresses.
+ (sh_media_register_for_return): Skip tr0, used to initialize the
+ PIC register.
+ (sh_expand_prologue): Remove explicit USE of return register.
+ (nonpic_symbol_mentioned_p): PC is non-PIC. Don't recurse in
+ CONST_DOUBLEs. UNSPEC_GOTPLT is PIC.
+ * config/sh/sh.h (ASM_OUTPUT_DOUBLE_INT): Removed, obsolete.
+ (OVERRIDE_OPTIONS): Don't disable PIC on SH5.
+ (EXTRA_CONSTRAINT_S): Use MOVI_SHORI_BASE_OPERAND_P instead of
+ EXTRA_CONSTRAINT_T.
+ (GOT_ENTRY_P, GOTPLT_ENTRY_P, GOTOFF_P, PIC_ADDR_P): New.
+ (MOVI_SHORI_BASE_OPERAND_P): New.
+ (NON_PIC_REFERENCE_P, PIC_REFERENCE_P): New.
+ (EXTRA_CONSTRAINT_T): Define in terms of them.
+ (OUTPUT_ADDR_CONST_EXTRA): Handle UNSPEC_GOTPLT.
+ * config/sh/sh.md (movsi_media, movsi_media_nofpu,
+ movdi_media, movdi_media_nofpu): Add SIBCALL_REGS class to
+ alternatives supporting TARGET_REGS.
+ (UNSPEC_GOTPLT): New constant.
+ (movdi split): Move incrementing of LABEL_NUSES...
+ (movdi_const, movdi_const_32bit): Here. Use
+ MOVI_SHORI_BASE_OPERAND_P instead of EXTRA_CONSTRAINT_T.
+ (movdi_const_16bit): New.
+ (call, call_value) [flag_pic]: Use GOTPLT.
+ (call_pop, call_value_pop): New expands.
+ (call_pop_compact, call_pop_rettramp): New insns.
+ (call_value_pop_compact, call_value_pop_rettramp): New insns.
+ (sibcall) [flag_pic]: Use GOT.
+ (builtint_setjmp_receiver): Remove bogus, unused expand.
+ (GOTaddr2picreg): Implement for SHcompact and SHmedia.
+ (*pt, *ptb, ptrel): New insns.
+ (sym2GOT): Handle DImode GOT.
+ (sym2GOTPLT, symGOTPLT2reg): New expands.
+ (sym2PIC): New expand.
+ (shcompact_return_tramp): Use GOTPLT to return trampoline.
+ (shcompact_return_tramp_i): Use return register explicitly.
+ * config/sh/sh.h (OVERRIDE_OPTIONS) [TARGET_SHMEDIA]: Don't
+ disable flag_reorder_blocks.
+ 2002-01-19 Alexandre Oliva <aoliva@redhat.com>
+ * config/sh/sh.md (sibcall_compact): Reorder return, uses and
+ clobbers, for clarity.
+ (sibcall_epilogue) [TARGET_SHCOMPACT]: Mark saving and
+ restoring of r0 in macl as MAYBE_DEAD.
+ 2002-01-18 Alexandre Oliva <aoliva@redhat.com>
+ * config/sh/sh.h (LONG_DOUBLE_TYPE_SIZE): Define.
+ * config/sh/sh.md (movv4sf_i, movv16sf_i): Fix uses of
+ alter_subreg all over.
+ (jump) [TARGET_SHMEDIA]: FAIL to create new jumps after
+ reload, instead of emitting instructions that would require
+ reloading.
+ (casesi_load_media): Add missing modes.
+ 2001-11-09 Alexandre Oliva <aoliva@redhat.com>
+ * config/sh/sh.c (sh_expand_prologue): Mark the PIC register
+ as used if the argument decoder is called.
+ 2001-08-28 Alexandre Oliva <aoliva@redhat.com>
+ * config/sh/sh.md (udivsi3, divsi3): Load libcall symbol name in
+ Pmode, then extend it to DImode if necessary.
+ 2001-08-28 Stephen Clarke <Stephen.Clarke@st.com>
+ * config/sh/sh.h (LEGITIMATE_CONSTANT_P): Don't accept DFmode
+ constants in FPU-enabled SHmedia, let them be loaded from memory.
+ 2001-08-28 Alexandre Oliva <aoliva@redhat.com>
+ * config/sh/sh.md (cmpeqdi_media, cmpgtdi_media, cmpgtudi_media):
+ Adjust whitespace in assembly output templates.
+ 2001-08-28 Stephen Clarke <Stephen.Clarke@st.com>
+ * config/sh/sh.md (movdicc_false, movdicc_true, movdicc): Adjust
+ mode of if_then_else.
+ 2001-08-04 Alexandre Oliva <aoliva@redhat.com>
+ * config/sh/sh64.h (CPP_DEFAULT_CPU_SPEC): Override definition in
+ sh.h.
+ 2001-07-26 Andrew Haley <aph@cambridge.redhat.com>
+ Joern Rennecke <amylaar@redhat.com>
+ * config/sh/sh64.h (CPP_DEFAULT_CPU_SPEC): New.
+ (SUBTARGET_CPP_PTR_SPEC): New.
+ (SUBTARGET_CPP_SPEC): Remove.
+ 2001-07-06 Chandrakala Chavva <cchavva@redhat.com>
+ * config/sh/sh.md (movsf_media_nofpu+1, movdf_media_nofpu+1):
+ Fix typo in previous checkin.
+ 2001-07-11 Chandrakala Chavva <cchavva@redhat.com>
+ * config/sh/sh.h (MODES_TIEABLE_P): Fix redact indentations.
+ 2001-07-10 Chandrakala Chavva <cchavva@cygnus.com>
+ Alexandre Oliva <aoliva@redhat.com>
+ * config/sh/sh.h (MODES_TIEABLE_P): Don't tie modes wider than
+ what single FP register can hold for SHmedia target.
+ 2001-07-06 Chandrakala Chavva <cchavva@redhat.com>
+ Alexandre Oliva <aoliva@redhat.com>
+ * config/sh/sh.md (movsf_media_nofpu+1, movdf_media_nofpu+1):
+ Do not split into SUBREG.
+ 2001-06-14 Alexandre Oliva <aoliva@redhat.com>
+ * config/sh/ushmedia.h, config/sh/sshmedia.h: Updated signatures
+ and added new functions as specified in SH5 ABI r9.
+ 2001-06-04 Alexandre Oliva <aoliva@redhat.com>
+ * config/sh/lib1funcs.asm (GCC_nested_trampoline): Align to an
+ 8-byte boundary.
+ 2001-06-03 Alexandre Oliva <aoliva@redhat.com>
+ * config/sh/sh.c (dump_table): Add const0_rtx in calls of
+ gen_consttable_4 and gen_consttable_8. Emit multiple labels
+ and consttable_window_ends.
+ 2001-06-03 Graham Stott <grahams@redhat,com>
+ * config/sh/sh.md (movdi split): Remove unused variable last_insn.
+ 2001-05-16 Alexandre Oliva <aoliva@redhat.com>
+ * config/sh/sh.c (print_operand): Handle floating-point pair,
+ vector and matrix registers.
+ * config/sh/sh.h (REGISTER_MOVE_COST): Take floating-pointer
+ vector modes into account.
+ * config/sh/sh.md (movv2sf): Split move between registers into
+ movdf.
+ (movv4sf, movv16sf): Introduce insns that get split only after
+ reload.
+ * config/sh/shmedia.h: Fix Copyright dates.
+ * config/sh/ushmedia.h: Likewise. Move loop counter
+ declarations into conditionals that uses them.
+ (sh_media_FVADD_S, sh_media_FVSUB_S): Fix off-by-one error in
+ loop boundary.
+ * config/sh/sshmedia.h: Fix Copyright dates.
+ (sh_media_PUTCFG): Fix constraints.
+ 2001-05-12 Alexandre Oliva <aoliva@redhat.com>
+ * config/sh/sh.h (TARGET_PTRMEMFUNC_VBIT_LOCATION): Define to
+ ptrmemfunc_vbit_in_delta for SH5.
+ 2001-05-08 Alexandre Oliva <aoliva@redhat.com>
+ * config/sh/sh.h (TARGET_SWITCHES): Document -m5-*.
+ * invoke.texi: Likewise.
+ 2001-04-14 Alexandre Oliva <aoliva@redhat.com>
+ * config/sh/lib1funcs.asm (GCC_push_shmedia_regs,
+ GCC_push_shmedia_regs_nofpu, GCC_pop_shmedia_regs,
+ GCC_pop_shmedia_regs_nofpu): New global symbols.
+ * config/sh/t-sh64 (LIB1ASMFUNCS): Add them.
+ * config/sh/sh.h (SHMEDIA_REGS_STACK_ADJUST): New macro.
+ * config/sh/sh.c (calc_live_regs): Account for PR's saving in
+ compact function with nonlocal labels.
+ (sh_expand_prologue) [SHcompact]: Push SHmedia regs if needed.
+ (sh_expand_epilogue) [SHcompact]: Pop them when appropriate.
+ (initial_elimination_offset): Account for their stack space.
+ * config/sh/sh.md (shmedia_save_restore_regs_compact): New insn.
+ * config/sh/sh.md (movsi_media, movsi_media_nofpu, movqi_media,
+ movhi_media, movdi_media, movdi_media_nofpu, movdf_media,
+ movdf_media_nofpu, movsf_media, movsf_media_nofpu): Require at
+ least one of the operands to be a register.
+ (movv2sf): Likewise. Renamed to movv2sf_i.
+ (movdi, movdf, movv2sf, movv4sf, movv16sf, movsf):
+ prepare_move_operands() before emitting SHmedia insns.
+ 2001-04-03 Alexandre Oliva <aoliva@redhat.com>
+ * config/sh/crti.asm (init, fini) [__SH5__ && ! __SHMEDIA__]:
+ Don't save nor initialize r12. Don't mis-align the stack.
+ Pad the code with a nop.
+ * config/sh/crti.asm: Don't restore r12. Don't mis-align the
+ stack.
+ 2001-03-13 Alexandre Oliva <aoliva@redhat.com>
+ * gcc/longlong.h (__umulsidi3, count_leading_zeros)
+ [__SHMEDIA__]: Implement.
+ 2001-03-11 Alexandre Oliva <aoliva@redhat.com>
+ * config/sh/sh.md: Set latency of `pt' closer to reality.
+ (movsi_media, movsi_media_nofpu, movdi_media, movdi_media_nofpu,
+ movdf_media, movdf_media_nofpu, movsf_media, movsf_media_nofpu):
+ Set move, load and store type attributes.
+ * config/sh/sh.c (sh_loop_align) [TARGET_SH5]: Set to 3.
+ * config/sh/sh.h (OVERRIDE_OPTIONS) [TARGET_SH5]: Disable
+ profiling.
+ * config/sh/sh.h (PROMOTE_MODE): Sign-extend SImode to DImode.
+ * config/sh/sh-protos.h (sh_media_register_for_return): Declare.
+ * config/sh/sh.c (sh_media_register_for_return): New function.
+ (sh_expand_prologue) [TARGET_SHMEDIA]: Copy r18 to an available
+ branch-target register.
+ (sh_expand_epilogue) [TARGET_SHMEDIA]: Explicitly USE it.
+ * config/sh/sh.md (return_media_i): Use any call-clobbered
+ branch-target register.
+ (return_media): If r18 wasn't copied in the prologue, copy it
+ here.
+ * config/sh/sh.h (CONDITIONAL_REGISTER_USAGE) [TARGET_SHMEDIA]:
+ Clear class FP0_REGS.
+ * config/sh/sh64.h (LINK_SPEC): Removed incorrect default copied
+ from elf.h.
+ 2001-03-08 DJ Delorie <dj@redhat.com>
+ * config/sh/sh.h (OVERRIDE_OPTIONS): Disable relaxing for SHMEDIA.
+ 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
+ * config/sh/sh.md (sibcall_compact): Set fp_mode to single.
+ 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
+ * config/sh/sh.h (INT_ASM_OP) [SHMEDIA64]: Use `.quad'.
+ 2001-02-03 Alexandre Oliva <aoliva@redhat.com>
+ * config/sh/sh.h (INIT_CUMULATIVE_ARGS): Compute size of BLKmode
+ return value correctly for call_cookie.
+ 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
+ * config/sh/crt1.asm (start): Modified so as to call
+ ___setup_argv_and_call_main.
+ 2001-01-26 Alexandre Oliva <aoliva@redhat.com>
+ * config/sh/sh.h (FUNCTION_ARG_ADVANCE): Don't count stack_regs in
+ SHmedia mode.
+ 2001-01-20 Alexandre Oliva <aoliva@redhat.com>
+ * config/sh/sh.h (STRIP_DATALABEL_ENCODING): New macro.
+ (STRIP_NAME_ENCODING): Use it.
+ (ASM_OUTPUT_LABELREF): Likewise. Don't call assemble_name().
+ 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
+ * config/sh/sh.md (sgeu) [! SHMEDIA]: Fix invocation of
+ prepare_scc_operands().
+ * config/sh/sh.h (SH_DATALABEL_ENCODING): Change to "#"...
+ (DATALABEL_SYMNAME_P): ... so that we don't need memcmp here.
+ 2001-01-17 Alexandre Oliva <aoliva@redhat.com>
+ * config/sh/sh.h (STRIP_NAME_ENCODING): Strip leading `*'.
+ 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
+ * config/sh/sh.md (shcompact_incoming_args): Use R0_REG.
+ * config/sh/sh.md (R7_REG, R8_REG, R9_REG): Define as constants,
+ used in shcompact_incoming_args.
+ * config/sh/sh.c (sh_expand_epilogue): Fix thinko in previous
+ change.
+ * config/sh/crt1.asm (start) [SH5]: Switch to single-precision
+ mode.
+ * config/sh/lib1funcs.asm (sdivsi3_i4, udivsi3_i4, set_fpscr):
+ Adjust accordingly.
+ * config/sh/sh.c (sh_expand_prologue, sh_expand_epilogue):
+ Simplify. Adjust. Add sanity check.
+ * config/sh/sh.h (TARGET_SWITCHES) [5-compact]: Set
+ FPU_SINGLE_BIT.
+ * config/sh/sh.md (udivsi3_i4_single, divsi3_i4_single): Match
+ TARGET_SHCOMPACT.
+ (udivsi3, divsi3): Use them.
+ (force_mode_for_call): New insn.
+ (call, call_value, sibcall_value): Emit it before SHcompact
+ calls.
+ 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
+ * config/sh/sh.md (call, call_value, sibcall): Make sure the
+ call cookie is non-NULL before taking its value.
+ 2001-01-10 Alexandre Oliva <aoliva@redhat.com>
+ * config.gcc (sh64): Set target_requires_64bit_host_wide_int.
+ 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
+ * config/sh/sh.md (shcompact_incoming_args): Set argument memory
+ block.
+ * config/sh/sh.h (STATIC_CHAIN_REGNUM) [SH5]: Use r1.
+ * config/sh/sh.c (sh_expand_prologue) [SH5]: Use r0 as
+ temporary for stack adjusts. Use MACL and MACH to pass
+ arguments to shcompact_incoming_args.
+ * config/sh/sh.md (shcompact_incoming_args): Adjust. Don't
+ clobber r1.
+ * config/sh/lib1funcs.asm (shcompact_incoming_args): Likewise.
+ (nested_trampoline): Load static chain address into r1.
+ * config/sh/sh.md (movdi_media splits): Fix sign-extension.
+ 2001-01-07 Alexandre Oliva <aoliva@redhat.com
+ * config/sh/sh.c (fpul_operand) [SHMEDIA]: Just call
+ fp_arith_reg_operand().
+ 2001-01-06 Alexandre Oliva <aoliva@redhat.com>
+ * config/sh/sh.md (casesi): Sign-extend the first two operands,
+ and use signed compares for them.
+ * config/sh/sh.c (dump_table): Don't emit 8-byte constants after
+ 4-byte ones. Instead, inter-leave them, maintaining the 8-byte
+ ones properly aligned.
+ (find_barrier): Account for extra alignment needed for 8-byte wide
+ constants.
+ (machine_dependent_reorg): Require a label for the second 4-byte
+ constant after an 8-byte one.
+ * config/sh/lib1funcs.asm (sdivsi3): Fix typo in yesterday's
+ change.
+ 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
+ * config/sh/sh.c (machine_dependent_reorg) [SHCOMPACT]: Reset
+ last_float when switching float modes.
+ * config/sh/sh.md (movdf) [SH5]: Don't use stack-pointer
+ auto-increment for general-purpose registers.
+ * config/sh/lib1funcs.asm (sdivsi3) [SHMEDIA]: Sign-extend the
+ result.
+ * config/sh/sh.c (sh_expand_prologue) [SH5]: Use r1 as temporary
+ for stack adjust.
+ * config/sh/sh.c (sh_builtin_saveregs): Support using all
+ registers for varargs.
+ 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
+ * config/sh/sh.h (FUNCTION_ARG_ADVANCE): Simplify.
+ * config/sh/sh.h (CALL_COOKIE_STACKSEQ,
+ CALL_COOKIE_STACKSEQ_SHIFT, CALL_COOKIE_STACKSEQ_GET): New macros.
+ (CALL_COOKIE_INT_REG_SHIFT): Adjust.
+ (FUNCTION_ARG_ADVANCE): Use SHCOMPACT_FORCE_ON_STACK. Adjust
+ call_cookie accordingly.
+ (FUNCTION_ARG): Test SHCOMPACT_FORCE_ON_STACK.
+ (SHCOMPACT_BYREF): Likewise.
+ (SHCOMPACT_FORCE_ON_STACK): New macro.
+ * config/sh/sh.c (sh_expand_prologue): Use new call_cookie format.
+ (sh_builtin_saveregs): Likewise.
+ * config/sh/lib1funcs.asm (shcompact_call_trampoline,
+ shcompact_incoming_args): Use new shift values. Support
+ sequences of consecutive and non-consecutive pushes/pops.
+ * config/sh/sh.md (return): Don't explicitly use PR_REG.
+ 2001-01-05 Hans-Peter Nilsson <hpn@cygnus.com>
+ * config/sh/sh.h (TEXT_SECTION): Define.
+ * config/sh/elf.h (ASM_FILE_START): Output TEXT_SECTION_ASM_OP.
+ 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
+ * config/sh/sh.h (INIT_CUMULATIVE_LIBCALL_ARGS): New macro.
+ * config/sh/sh.h (BASE_RETURN_VALUE_REG): Use FP regs for
+ return values on FPU-enabled SHmedia.
+ (FUNCTION_VALUE_REGNO_P): Mark FIRST_FP_RET_REG as used on
+ FPU-enabled SHmedia.
+ (INIT_CUMULATIVE_ARGS): Set up return trampoline only if
+ value is returned in a non-FP reg and is not returned by
+ reference.
+ * config/sh/sh.md (shcompact_return_tramp_i): Change type to
+ jump_ind.
+ 2000-01-04 Alexandre Oliva <aoliva@redhat.com>
+ * config/sh/sh.h (SH_MIN_ALIGN_FOR_CALLEE_COPY): New.
+ (FUNCTION_ARG_CALLEE_COPIES): Require argument to be
+ quad-aligned to be passed by callee-copy reference.
+ 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
+ * config/sh/elf.h (MAX_WCHAR_TYPE_SIZE): Define.
+ * config/sh/sh64.h (MAX_WCHAR_TYPE_SIZE): Undefine.
+ 2001-01-02 Alexandre Oliva <aoliva@redhat.com>
+ * config/sh/lib1funcs.asm (shcompact_call_trampoline): Fix error in
+ copying low-numbered FP regs to r7 and r8.
+ * config/sh/sh.h (FUNCTION_ARG_ADVANCE): Don't request copying of
+ FP regs to general-purpose regs only if the copy was passed on the
+ stack.
+ * config/sh/lib1funcs.asm (shcompact_call_trampoline): Fix typo in
+ copying FP reg to r9.
+ * config/sh/sh.h (FUNCTION_ARG_ADVANCE): Use trampoline to
+ copy FP regs to general-purpose regs only in outgoing calls.
+ * config/sh/sh.md (movdf_media, movsf_media): Revert incorrect
+ change from 2000-10-30. Adjust for 64-bit (or 32-bit)
+ HOST_WIDE_INT.
+ * config/sh/sh.h (struct sh_args): Document all fields.
+ (FUNCTION_OK_FOR_SIBCALL): Functions that receive arguments
+ passed partially on the stack should not consider making
+ sibcalls.
+ * config/sh/sh.h (FUNCTION_ARG_ADVANCE): Add byref regs to
+ stack_regs only for incoming calls. When passing FP args,
+ make sure there are FP regs available before modifying
+ call_cookie.
+ (SHCOMPACT_BYREF): Pass double args in general-purpose
+ registers by reference.
+ 2000-12-30 Alexandre Oliva <aoliva@redhat.com>
+ * config/sh/sh.h (FUNCTION_OK_FOR_SIBCALL) [SHCOMPACT]: Don't
+ attempt to generate sibcalls if the caller got any arguments
+ by reference.
+ * config/sh/lib1funcs.asm (set_fpscr) [SH5]: Default to double.
+ * config/sh/sh.c (dump_table) [SHCOMPACT]: Align DImode and DFmode
+ to 8-byte boundaries.
+ * config/sh/sh.md (shcompact_preserve_incoming_args): New insn.
+ * config/sh/sh.h (CALL_COOKIE_INT_REG_GET): New macro.
+ * config/sh/sh.c (sh_expand_prologue): Preserve args that will be
+ stored in the stack.
+ * config/sh/lib1funcs.asm (ct_main_table, ia_main_table): Arrange
+ for the offsets to have the ISA bit set.
+ (shcompact_call_trampoline): Document. Swap r0 and r1, to match
+ invocation. Use beq instead of bgt to mark end of sequence of
+ loads.
+ (shcompact_incoming_args): Fix store of r2. Use beq instead of
+ bgt to mark end of sequence of stores.
+ * config/sh/sh.c (arith_operand): Don't check whether
+ CONST_OK_FOR_J for now.
+ * config/sh/sh.md (movdf_media, movsf_media): Use HOST_WIDE_INT
+ instead of long for conversion.
+ 2000-12-29 Alexandre Oliva <aoliva@redhat.com>
+ * config/sh/sh.c (print_operand_address): Convert INTVAL to int
+ before passing it to fprintf.
+ 2000-12-28 Alexandre Oliva <aoliva@redhat.com>
+ * config/sh/crt1.asm (start): Reset SR.FD, to enable the FP unit.
+ Call set_fpscr before reading/writing SR.
+ * config/sh/crt1.asm (start): Set SR.SZ and SR.PR, but not SR.FR.
+ Call set_fpscr.
+ * config/sh/lib1funcs.asm: Add `.align 2' directives before
+ SHmedia code.
+ (FMOVD_WORKS): Define on SH5 with FPU.
+ (set_fpscr): Define on SH5. Remove separate _fpscr_values
+ setting.
+ * config/sh/t-sh64 (LIB1ASMFUNCS): Add _set_fpscr instead of
+ _fpscr_values.
+ 2000-12-28 Hans-Peter Nilsson <hpn@cygnus.com>
+ * config/sh/lib1funcs.asm (ct_main_table): Align contents to even
+ address.
+ (ia_main_table): Ditto.
+ 2000-12-27 Alexandre Oliva <aoliva@redhat.com>
+ * config/sh/sh.h (MAX_WCHAR_TYPE_SIZE): Don't define.
+ * config/sh/sh64.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Reinstate
+ the definitions from sh.h.
+ * config/sh/sh.h (PTRDIFF_TYPE): Define as conditional on
+ TARGET_SH5.
+ (SUBTARGET_CPP_SPEC): Arrange for __PTRDIFF_TYPE__ to be defined.
+ * config/sh/elf.h (PTRDIFF_TYPE): Likewise.
+ * config/sh/sh64.h (SUBTARGET_CPP_SPEC): Likewise.
+ 2000-12-26 Alexandre Oliva <aoliva@redhat.com>
+ * config/sh/sh.md (movdi_media split): Don't add REG_LABEL notes.
+ Increment LABEL_NUSES.
+
+ * config/sh/sh.h (SIZE_TYPE): Define as conditional on
+ TARGET_SH5.
+ (SUBTARGET_CPP_SPEC): Arrange for __SIZE_TYPE__ to be always
+ defined.
+ * config/sh/elf.h (SIZE_TYPE): Likewise.
+ * config/sh/sh64.h (SUBTARGET_CPP_SPEC): Likewise.
+ * config/sh/lib1funcs.asm (shcompact_call_trampoline,
+ shcompact_incoming_args): Load switch table addresses using
+ datalabel.
+ * config/sh/sh.h (SUBTARGET_CPP_SPEC): Define __SIZE_TYPE__.
+ (NO_BUILTIN_SIZE_TYPE): Define.
+ (SIZE_TYPE): Don't define.
+ * config/sh/sh64.h (SUBTARGET_CPP_SPEC): Define __SIZE_TYPE__.
+ * config/sh/sh.h (CPP_SPEC): Fixed typo that prevented the
+ definition of __SH5__=32 for -m5-compact-nofpu.
+ * config/sh/sh.c (barrier_align): Ensure 32-bit alignment after
+ ADDR_DIFF_VEC.
+ 2000-12-24 Alexandre Oliva <aoliva@redhat.com>
+ * config/sh/sh.h (FUNCTION_ARG_PADDING): Removed.
+ 2000-12-23 Alexandre Oliva <aoliva@redhat.com>
+ * config/sh/sh.h (TARGET_CACHE32): Enable on SH5.
+ (FUNCTION_BOUNDARY): Ensure 32-bit alignment for SHmedia.
+ (INSN_LENGTH_ALIGNMENT): Likewise.
+ 2000-12-22 Alexandre Oliva <aoliva@redhat.com>
+ * config/sh/sh.md (call, call_value, sibcall): Simplify
+ copying of non-branch-target register.
+ 2000-12-22 Alexandre Oliva <aoliva@redhat.com>
+ * glimits.h (__LONG_MAX__): Revert 2000-12-13's patch.
+ * config/sh/sh.h (CPP_SPEC): Define it here for 64-bit SHmedia.
+ 2000-12-22 Alexandre Oliva <aoliva@redhat.com>
+ * config/sh/sh.h (GET_SH_ARG_CLASS): Handle complex
+ floating-point values as structs.
+ (FUNCTION_ARG): Use SH5_PROTOTYPED_FLOAT_ARG.
+ (SH5_PROTOTYPELESS_FLOAT_ARG): List FP registers before
+ general-purpose register.
+ (SH5_PROTOTYPED_FLOAT_ARG): New macro.
+ 2000-12-20 Alexandre Oliva <aoliva@redhat.com>
+ * config/sh/sh.md (addsi3): Force operand1 to reg for SHmedia.
+ * config/sh/sh.md (movsi_media): Split CONST_DOUBLE loads too.
+ * config/sh/sh.h (DATALABEL_REF_P): Don't require the CONST.
+ (ENCODE_SECTION_INFO): Enclose variables and constants in
+ DATALABEL unspecs.
+ (SH_DATALABEL_ENCODING, DATALABEL_SYMNAME_P): Define.
+ (STRIP_NAME_ENCODING): Strip SH_DATALABEL_ENCODING off.
+ (ASM_OUTPUT_LABELREF, AMS_OUTPUT_SYMBOL_REF): Define.
+ * config/sh/sh.c (gen_datalabel_ref): Use UNSPEC_DATALABEL
+ only for LABEL_REFs. For SYMBOL_REFs, prepend
+ SH_DATALABEL_ENCODING to the symbol name.
+ * config/sh/sh.md (indirect_jump): Use SUBREG instead of
+ convert_mode().
+ 2000-12-20 Alexandre Oliva <aoliva@redhat.com>
+ * config/sh/sh.md (casesi): Enclose ADDR_DIFF_VEC address in
+ UNSPEC_DATALABEL.
+ * config/sh/sh.c (gen_datalabel_ref): Accept LABEL_REFs.
+ * config/sh/sh.h (DATALABEL_REF_NO_CONST_P): Likewise.
+ (DATALABEL_REF_P): Don't require CONST.
+ (ASM_OUTPUT_ADDR_DIFF_ELT): On SH5, output datalabel before
+ REL label.
+ 2000-12-19 Alexandre Oliva <aoliva@redhat.com>
+ * config/sh/sh.md (extendhidi2, extendqidi2): Use arithmetic shift
+ right.
+ 2000-12-18 Alexandre Oliva <aoliva@redhat.com>
+ * config/sh/sh.md (movsi_media, call, call_value, sibcall):
+ Use shallow_copy_rtx and PUT_MODE to change the mode of
+ SYMBOL_REFs, LABEL_REFs, CONSTs, etc.
+ * config/sh/sh.h (PREFERRED_RELOAD_CLASS): Reload SYMBOL_REFs
+ on SHmedia using GENERAL_REGs.
+ * config/sh/sh.md (ble_media_i, blt_media_i, bleu_media_i,
+ bltu_media_i): Fix reversion of conditions.
+ 2000-12-18 Alexandre Oliva <aoliva@redhat.com>
+ * config/sh/sh.md (zero_extendhidi2): Use logical shift right.
+ * config/sh/sh.c (output_far_jump): Save r13 in macl.
+ 2000-12-17 Alexandre Oliva <aoliva@redhat.com>
+ * config/sh/sh.c (gen_datalabel_ref): Fix mode of the UNSPEC.
+ 2000-12-16 Alexandre Oliva <aoliva@redhat.com>
+ * config/sh/lib1funcs.asm (ic_invalidate): Define for SH5.
+ (GCC_nested_trampoline): Likewise.
+ * config/sh/sh-protos.h (gen_datalabel_ref): Declare.
+ * config/sh/sh.c (gen_datalabel_ref): Define.
+ * config/sh/sh.h (TRAMPOLINE_SIZE): Adjust for SH5.
+ (INITIALIZE_TRAMPOLINE): Likewise.
+ (TRAMPOLINE_ADJUST_ADDRESS): Define.
+ (DATALABEL_REF_NO_CONST_P, DATALABEL_REF_P): Define.
+ (EXTRA_CONSTRAINT_T): Match DATALABEL unspecs.
+ (OUTPUT_ADDR_CONST_EXTRA): Handle DATALABEL unspecs.
+ * config/sh/sh.md (UNSPEC_DATALABEL): New constant.
+ (ic_invalidate): Adjust for SH5.
+ (ic_invalidate_line_media, ic_invalidate_line_compact): New insns.
+ * config/sh/t-sh64 (LIB1ASMFUNCS): Added _ic_invalidate and
+ _nested_trampoline.
+ 2000-12-15 Alexandre Oliva <aoliva@redhat.com>
+ * config/sh/sh.h (MOVE_MAX): Set to 8 for SHmedia, 4 elsewhere.
+ (MOVE_MAX_PIECES): Set to 8 on SHmedia too.
+ 2000-12-14 Alexandre Oliva <aoliva@redhat.com>
+ * config/sh/sh.h (DBX_REGISTER_NUMBER): Adjust for sh64-elf-gdb.
+ * config/sh/elf.h (DBX_REGISTER_NUMBER): Likewise.
+ 2000-12-14 Alexandre Oliva <aoliva@redhat.com>
+ * config/sh/sh.c (target_reg_operand): Match only target-branch
+ registers and pseudos that aren't virtual registers.
+ * config/sh/sh.md (call, call_value, sibcall) [TARGET_SHMEDIA]:
+ Copy operands that don't match target_reg_operand to pseudos.
+ (call_media, call_value_media, sibcall_media): Use
+ target_reg_operand instead of target_operand.
+ 2000-12-13 Alexandre Oliva <aoliva@redhat.com>
+ * glimits.h (__LONG_MAX__) [SH5 == 64]: Adjust for 64 bits.
+ * config/sh/sh.c (target_reg_operand): Match hardware registers
+ other than branch-target registers.
+ * config/sh/sh.md (zero_extendqidi2): Input operand is %1.
+ * config/sh/lib1funcs.asm (sdivsi3) [SH5]: Make it global.
+ (fpscr_values) [SH5 == 32]: Define.
+ * config/sh/t-sh64 (LIB1ASMFUNCS): Add fpscr_values.
+ * config/sh/sh.md (call, call_value, sibcall) [TARGET_SHMEDIA]:
+ Handle function addresses coming in SUBREGs.
+ 2000-12-12 Alexandre Oliva <aoliva@redhat.com>
+ * config/sh/lib1funcs.asm (shcompact_call_trampoline,
+ shcompact_return_trampoline): Use datalabel where appropriate.
+ 2000-12-09 Alexandre Oliva <aoliva@redhat.com>
+ * config/sh/sh.h (SECONDARY_OUTPUT_RELOAD_CLASS): Use a
+ general-purpose register to copy one branch-target register to
+ another.
+ 2000-12-06 Alexandre Oliva <aoliva@redhat.com>
+ * config/sh/sh.c (target_operand): Accept LABEL_REFs and
+ SYMBOL_REFs with VOIDmode.
+ * config/sh/sh.md (ble_media_i, blt_media_i, bleu_media_i,
+ bltu_media_i): New insns.
+ 2000-12-06 Alexandre Oliva <aoliva@redhat.com>
+ * config/sh/sh.h (RETURN_IN_MEMORY): Adjust for SH5 ABI.
+ (INIT_CUMULATIVE_ARGS): Likewise.
+ 2000-12-01 Alexandre Oliva <aoliva@redhat.com>
+ * machmode.def (V16SFmode): New mode.
+ * c-common.c (type_for_mode): Support V2SF and V16SF.
+ * tree.c (build_common_tree_nodes_2): Likewise.
+ * tree.h (tree_index): Likewise.
+ * calls.c (emit_call_1): Take args_so_far. Adjust all
+ callers. Introduce CALL_POPS_ARGS.
+ * tm.texi (CALL_POPS_ARGS): Document.
+ * config/sh/crt1.asm: Implement in SHmedia mode.
+ * config/sh/crti.asm, config/sh/crtn.asm: Likewise
+ * config/sh/elf.h (ASM_SPEC, LINK_SPEC): Support SH5 flags.
+ (DBX_REGISTER_NUMBER): Renumber registers for SH5.
+ * config/sh/lib1funcs.asm: Disable functions unused in SH5.
+ Implement divsi and udivsi in SHmedia mode. Introduce
+ SHcompact trampolines.
+ * config/sh/sh.c (GEN_MOV, GEN_ADD3, GEN_SUB3): Use DImode
+ only in SHmedia64.
+ (regno_reg_class): Rewrite.
+ (fp_reg_names): Remove.
+ (sh_register_names, sh_additional_register_names): New.
+ (print_operand): Added `u'. Support SUBREGs in addresses.
+ Add parentheses around shifted CONSTs.
+ (output_file_start): Output .mode and .abi directives.
+ (shiftcosts, addsubcosts, multcosts): Adjust.
+ (output_stack_adjust): Compute alignment. Sanity-check SIZE.
+ (push_regs): Take array of HOST_WIDE_INTs. Adjust callers.
+ (calc_live_regs): Output to array of HOST_WIDE_INTs. Count
+ bytes, not registers. Take into account the need for the
+ SHcompact incoming args trampoline. Adjust all callers.
+ (sh_expand_prologue): Take stack_regs into account. Call
+ incoming args trampoline. Keep stack aligned as per SH5 ABI.
+ (sh_expand_epilogue): Take stack_regs into accoutn. Keep
+ stack aligned as per SH5 ABI.
+ (sh_builtin_saveregs): Support SH5 ABI.
+ (sh_build_va_list, sh_va_start): Likewise.
+ (initial_elimination_offset): Take alignment into account.
+ Compute location of PR according to the SH5 stack frame.
+ (arith_reg_operand): Reject branch-target registers.
+ (shmedia_6bit_operand): New.
+ (logical_operand): Use CONST_OK_FOR_P on SHmedia.
+ (target_reg_operand): Match DImode only. Accept SUBREGs.
+ (target_operand): New.
+ * config/sh/sh.h (CPP_SPEC, SUBTARGET_CPP_SPEC): Support SH5 flags.
+ (CONDITIONAL_REGISTER_USAGE): Implement SH5 ABI. Initialize
+ SIBCALL_REGS for SHmedia.
+ (TARGET_SH3E, TARGET_SH4): Only if SH1_BIT is set too.
+ (TARGET_FPU_DOUBLE, TARGET_FPU_ANY): New.
+ (TARGET_SHMEDIA32, TARGET_SHMEDIA64): New.
+ (TARGET_SWITCHES): New SH5 flags.
+ (OVERRIDE_OPTIONS): Set SH5-specific options. Use
+ VALID_REGISTER_P to disable unsupported registers.
+ (LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE): Set.
+ (POINTER_SIZE, PARM_BOUNDARY): Adjust.
+ (FUNCTION_ARG_PADDING): Define.
+ (FASTEST_ALIGNMENT): Adjust.
+ (SH_REGISTER_NAMES_INITIALIZER): New.
+ (sh_register_names): Declare.
+ (DEBUG_REGISTER_NAMES): Define.
+ (REGISTER_NAMES): Define based on sh_register_names.
+ (SH_ADDITIONAL_REGISTER_NAMES_INITIALIZER): New.
+ (sh_additional_register_names): Declare.
+ (LAST_GENERAL_REG, LAST_FP_REG, LAST_XD_REG): Adjust for SHmedia.
+ (FIRST_TARGET_REG, LAST_TARGET_REG): Define.
+ (TARGET_REGISTER_P, SHMEDIA_REGISTER_P, VALID_REGISTER_P): Define.
+ (REGISTER_NATURAL_MODE): Define.
+ (FIRST_PSEUDO_REGISTER): Adjust.
+ (FIXED_REGISTERS, CALL_USED_REGISTERS): Adjust.
+ (HARD_REGNO_CALL_PART_CLOBBERED): Define.
+ (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK): Adjust.
+ (VECTOR_MODE_SUPPORTED_P): Define.
+ (REG_CLASS_CONTENTS): Adjust.
+ (SMALL_REGISTER_CLASSES): Adjust.
+ (REG_ALLOC_ORDER): Adjust.
+ (INDEX_REG_CLASS): Adjust.
+ (CONST_OK_FOR_O, CONST_OK_FOR_P): New.
+ (CONST_OK_FOR_LETTER_P): Adjust.
+ (PREFERRED_RELOAD_CLASS): Adjust.
+ (SECONDARY_OUTPUT_RELOAD_CLASS): Adjust.
+ (SECONDARY_INPUT_RELOAD_CLASS): Adjust.
+ (NPARM_REGS, FIRST_PARM_REG, FIRST_RET_REG): Adjust.
+ (FIRST_FP_PARM_REG): Adjust.
+ (CALL_POPS_ARGS): Define.
+ (FUNCTION_ARG_REGNO_P): Adjust.
+ (struct sh_args): New fields.
+ (GET_SH_ARG_CLASS): Adjust.
+ (INIT_CUMULATIVE_ARGS): Adjust.
+ (INIT_CUMULATIVE_INCOMING_ARGS): Define.
+ (FUNCTION_ARG_ADVANCE): Adjust.
+ (FUNCTION_ARG): Adjust.
+ (FUNCTION_ARG_PASS_BY_REFERENCE, SHCOMPACT_BYREF): Define.
+ (FUNCTION_ARG_CALLEE_COPIES): Define.
+ (SH5_PROTOTYPELESS_FLOAT_ARG): Define.
+ (STRICT_ARGUMENT_NAMING): Define.
+ (PRETEND_OUTGOING_VARARGS_NAMED): Adjust.
+ (FUNCTION_ARG_PARTIAL_NREGS): Adjust.
+ (SH5_WOULD_BE_PARTIAL_NREGS): Define.
+ (SETUP_INCOMING_VARARGS): Adjust.
+ (HAVE_POST_INCREMENT, HAVE_PRE_DECREMENT): Adjust.
+ (USE_LOAD_POST_INCREMENT, USE_STORE_PRE_DECREMENT): Adjust.
+ (REGNO_OK_FOR_INDEX_P, REG_OK_FOR_INDEX_P): Adjust.
+ (SUBREG_OK_FOR_INDEX_P): Adjust.
+ (EXTRA_CONSTRAINT_S): Update.
+ (EXTRA_CONSTRAINT_T): New.
+ (EXTRA_CONSTRAINT): Adjust.
+ (GO_IF_LEGITIMATE_INDEX): Adjust.
+ (GO_IF_LEGITIMATE_ADDRESS): Adjust.
+ (LEGITIMIZE_ADDRESS, LEGITIMIZE_RELOAD_ADDRESS): Adjust.
+ (MOVE_MAX): Adjust.
+ (MAX_MOVE_MAX): Define.
+ (Pmode): Adjust.
+ (CONST_COSTS): Adjust.
+ (REGISTER_MOVE_COST): Adjust.
+ (BRANCH_COST): Adjust.
+ (TEXT_SECTION_ASM_OP): Adjust.
+ (DBX_REGISTER_NUMBER): Adjust.
+ (ASM_OUTPUT_DOUBLE_INT): New.
+ (UNALIGNED_DOUBLE_INT_ASM_OP): New.
+ (PREDICATE_CODES): Adjust.
+ (PROMOTE_MODE): Adjust.
+ (CRT_CALL_STATIC_FUNCTION): Do not define for SHmedia.
+ * config/sh/sh.md (AP_REG, PR_REG, T_REG, GBR_REG): Renumber.
+ (MACH_REG, MACL_REG, FPUL_REG, RAP_REG, FPSCR_REG): Renumber.
+ (PR_MEDIA_REG, T_MEDIA_REG, R10_REG): New.
+ (DR0_REG, DR2_REG, DR4_REG): Renumber.
+ (TR0_REG, TR1_REG, TR2_REG): New.
+ (XD0_REG): Renumber.
+ (UNSPEC_COMPACT_ARGS): New.
+ (type): Added pt and ptabs.
+ (length): Default to 4 on SHmedia. Default pt length to 12
+ and 20 on SHmedia32 and SHmedia64, respectively.
+ (pt): New function unit.
+ (movdi, movsi): Add types pt and ptabs. Don't increment LABEL_NUSES.
+ Add whitespace between operands of SHmedia instructions.
+ (movdicc): Fix.
+ (adddi3_media, addsi3_media): Adjust constraints.
+ (subsi3) [SHmedia]: Force operand 1 into a register.
+ (udivsi3_i1_media, udivsi3_i4_media): New.
+ (udivsi3): Support SHmedia.
+ (divsi3_i1_media, divsi3_i4_media): New.
+ (divsi3): Support SHmedia.
+ (anddi3, iordi3, xordi3): Adjust constraints.
+ (zero_extendhidi2, zero_extendqidi2): New.
+ (extendsidi2, extendhidi2, extendqidi2): New.
+ (push, pop, push_e, push_fpul, push_4): Disable on SH5.
+ (pop_e, pop_fpul, pop_4): Likewise.
+ (movsi_media): Support FP and BT registers.
+ (movsi_media_nofpu): New. Adjust splits to DImode.
+ (lduw, ldub): Renamed to zero_extend* above.
+ (movqi_media): Fix typo.
+ (movdi_media): Support FP and BT registers.
+ (movdi_media_nofpu): New. Adjust splits for SHmedia32.
+ (movdi_const_32bit): New.
+ (shori_media): Require immediate operand. Use `u' for output.
+ (movdf_media, movsf_media): Simplified.
+ (movdf_media_nofpu, movsf_media_nofpu): New.
+ (movdf, movsf): Adjust
+ (movv2sf, movv2sf, movv16sf): New.
+ (beq_media, beq_media_i): Adjust constraints. Don't use
+ scratch BT register.
+ (bne_media, bne_media_i): Likewise.
+ (bgt_media, bgt_media_i): Likewise.
+ (bge_media, bge_media_i): Likewise.
+ (bgtu_media, bgtu_media_i): Likewise.
+ (bgeu_media, bgeu_media_i): Likewise.
+ (beq, bne, bgt, blt, ble, bge, bgtu, bltu, bgeu, bleu,
+ bunordered): Emit jump insn. Force operands to registers when
+ needed.
+ (jump_media, jump): Simplify.
+ (call_compact, call_compact_rettramp): New.
+ (call_value_compact, call_value_compact_rettramp): New.
+ (call_media, call_value_media): Simplify.
+ (sibcall_compact, sibcall_media): New.
+ (call, call_value): Adjust for SHmedia and SHcompact.
+ (sibcall, sibcall_value, untyped_call): Likewise.
+ (sibcall_epilogue): Preserve r0 across epilogue for SHcompact.
+ (indirect_jump): Adjust for SHmedia.
+ (casesi_jump_media): New.
+ (nop): Re-enable for SHmedia.
+ (call_site): Restrict to SH1.
+ (casesi): Adjust for SHmedia.
+ (casesi_shift_media, casesi_load_media): New.
+ (return): Explicitly use PR register. Call return trampoline
+ on SHcompact.
+ (return_i): Explicitly use PR register.
+ (shcompact_return_tramp, shcompact_return_tramp_i): New.
+ (return_media): Adjust.
+ (shcompact_incoming_args): New.
+ (epilogue): Adjust.
+ (seq, slt, sle, sgt, sge, sgtu, sltu, sleu, sgeu, sne): Adjust.
+ (movstrsi): Disable on SH5.
+ (fpu_switch0, fpu_switch1, movpsi): Enable on SH4.
+ (addsf3, addsf3_media): Test TARGET_SHMEDIA_FPU.
+ (subsf3, subsf3_media): Likewise.
+ (mulsf3, mulsf3_media, mac_media): Likewise.
+ (divsf3, divsf3_media): Likewise.
+ (floatdisf2, floatsisf2_media): Likewise. Adjust constraints.
+ (floatsisf2, fux_truncsfsi2): Likewise.
+ (fix_truncsfdi2, fix_truncsfsi2_media): Likewise. Adjust
+ constraints.
+ (cmpeqsf_media, cmpgtsf_media, cmpgesf_media): Likewise.
+ (cmpunsf_media, cmpsf): Likewise.
+ (negsf2, negsf2_media, sqrtsf2, sqrtsf2_media): Likewise.
+ (abssf2, abssf2_media): Likewise.
+ (adddf3, adddf3_media, subdf3, subdf3_media): Likewise.
+ (muldf3, muldf3_media, divdf3, divdf3_media): Likewise.
+ (floatdidf2, floatsidf2_media): Likewise. Adjust constraints.
+ (floatsidf2, fix_truncdfsi2): Likewise.
+ (fix_truncdfdi2, fix_truncdfsi2_media): Likewise. Adjust
+ constraints.
+ (cmpeqdf_media, cmpgtdf_media): Likewise.
+ (cmpgedf_media, cmpundf_media, cmpdf): Likewise.
+ (negdf2, negdf2_media, sqrtdf2, sqrtdf2_media): Likewise.
+ (absdf2, absdf2_media): Likewise.
+ (extendsfdf2, extendsfdf2_media): Likewise.
+ (truncsfdf2, truncsfdf2_media): Likewise.
+ * config/sh/sh64.h: New file.
+ * config/sh/t-sh64: New file.
+ * config/sh/shmedia.h: New file.
+ * config/sh/ushmedia.h: New file.
+ * config/sh/sshmedia.h: New file.
+ * configure.in: Added sh64-*-elf.
+ * configure: Rebuilt.
+ 2000-10-10 Alexandre Oliva <aoliva@redhat.com>
+ * config/sh/sh.c (GEN_MOV, GEN_ADD3, GEN_SUB3): New macros.
+ (reg_class_from_letter): Use `b' for TARGET_REGS.
+ (print_operand): Support `%M', `%m', `AND' and
+ `ASHIFTRT'. Do not precede constants with `#' on SHmedia.
+ (andcosts): Adjust for SHmedia.
+ (output_stack_adjust, sh_expand_prologue, sh_expand_epilogue):
+ Likewise.
+ (target_reg_operand): New function.
+ * config/sh/sh-protos.h (target_reg_operand): Declare.
+ * config/sh/sh.h (CONDITIONAL_REGISTER_USAGE): Don't disable
+ FP registers on SH5.
+ (HARD_REGNO_MODE_OK): Accept them whenever they're acceptable
+ on SH4.
+ (TARGET_REGISTER_P): New macro.
+ (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Added TARGET_REGS.
+ (FUNCTION_VALUE): Use DImode for promoted types on SHmedia.
+ (EXTRA_CONSTRAINT_S): New macro.
+ (EXTRA_CONSTRAINT): Adjust.
+ (FLOAT_TYPE_SIZE): Define to 32.
+ (Pmode): DImode on SHmedia.
+ (CONST_COSTS): Adjust for SHmedia literals.
+ (PREDICATE_CODES): Added target_reg_operand.
+ (PROMOTE_MODE): Promote signed types to DImode on SHmedia.
+ * config/sh/sh.md: Remove all attrs from SHmedia insns.
+ (cmpeqdi_media, cmpgtdi_media, cmpgtudi_media): New insns.
+ (cmpdi): Accept SHmedia.
+ (movdicc_false, movdicc_true): New insns.
+ (movdicc): New expand.
+ (adddi3): Accept arith_operand for op2, but FAIL on SH1 if
+ no_new_pseudos.
+ (addsi3_media): Match `S' constraint.
+ (anddi3, andcdi3, iordi3, xordi3, negdi_media): New insns.
+ (negdi2): Expand for SHmedia.
+ (one_cmpldi2): New expand.
+ (zero_extendsidi2): Change from expand to insn.
+ (extendsidi2): Add constraints.
+ (movdi_media, movsi_media): Change `%x' to `%M'. Use `%m' for
+ LD/ST address. Fix SI immediate loading split.
+ (movhi_media, movqi_media, lduw, ldub): New insns.
+ (movhi, movqi): Accept SHmedia.
+ (shori_media, movdi_media): Relax input constraints. Split
+ symbolic constants.
+ (movdf_media, movsf_media): New insn. New split to movdi.
+ (movdf, movsf): Match on SHmedia.
+ (beq_media, bne_media, bgt_media, bge_media, bgtu_media,
+ bgeu_media): New insns and splits. New insns with `_i' suffix.
+ (beq, bne, bgt, blt, ble, bge, bgtu, bltu, bgeu, bleu): Adjust.
+ (bunordered): New expand.
+ (jump_compact): Renamed from `jump'.
+ (jump_media): New insn.
+ (jump): New expand.
+ (call_media, call_value_media): New insns.
+ (call, call_value): Adjust.
+ (indirect_jump_compact): Renamed from `indirect_jump'.
+ (indirect_jump_media): New insn.
+ (indirect_jump): New expand.
+ (untyped_call, return): Accept SHmedia.
+ (return_media): New insn.
+ (prologue, epilogue, blockage): Accept SHmedia.
+ (seq, slt, sle, sgt, sge, sgtu, sltu, sleu, sgeu, sne): Adjust.
+ (sunordered): New expand.
+ (addsf3, subsf3, mulsf3, divsf3, floatsisf2, fix_truncsfsi2,
+ cmpsf, negsf2, sqrtsf2, abssf2): Adjust for SHmedia.
+ (addsf3_media, subsf3_media, mulsf3_media, mac_media,
+ divsf3_media, floatdisf2, floatsisf2_media, fix_truncsfdi2,
+ fix_truncsfsi2_media, cmpeqsf_media, cmpgtsf_media,
+ cmpgesf_media, cmpunsf_media, negsf2_media, sqrtsf2_media,
+ abssf2_media): New insns.
+ (adddf3, subdf3, muldf3, divdf3, floatsidf2, fix_truncdfsi2,
+ cmpdf, negdf2, sqrtdf2, absdf2): Adjust for SHmedia.
+ (adddf3_media, subdf3_media, muldf3_media, divdf3_media,
+ floatdidf2, floatsidf2_media, fix_truncdfdi2,
+ fix_truncdfsi2_media, cmpeqdf_media, cmpgtdf_media,
+ cmpgedf_media, cmpundf_media, negdf2_media, sqrtdf2_media,
+ absdf2_media): New insns.
+ (extendsfdf2, truncdfsf2): Adjust for SHmedia.
+ (extendsfdf2_media, truncdfsf2_media): New insns.
+ 2000-09-14 Alexandre Oliva <aoliva@redhat.com>
+ * config/sh/sh.c (machine_dependent_reorg): On shmedia, skip for now.
+ * config/sh/sh.h (CONST_OK_FOR_J): Document.
+ (LEGITIMATE_CONSTANT_P): Accept CONST_DOUBLEs on shmedia.
+ * config/sh/sh.md (adddi3): New expand.
+ (adddi3_media, adddi3z_media): New insns.
+ (adddi3_compact): Renamed from adddi3.
+ (addsi3_media): Use add.l r63 to add constant zero.
+ (subdi3): New expand.
+ (subdi3_media): New insn.
+ (subdi3_compact): Renamed from subdi3.
+ (mulsidi3): New expand.
+ (mulsidi3_media): New insn.
+ (mulsidi3_compact): Renamed from mulsidi3.
+ (umulsidi3): New expand.
+ (umulsidi3_media): New insn.
+ (umulsidi3_compact): Renamed from umulsidi3.
+ (ashlsi3_media, ashrsi3_media, lshrsi3_media): New insns.
+ (ashlsi3, ashrsi3, lshrsi3): Use them.
+ (ashldi3_media, ashrdi3_media, lshrdi3_media): New insns.
+ (ashldi3, ashrdi3, lshrdi3): Use them.
+ (zero_extendsidi2): New expand.
+ (extendsidi2): New insn.
+ (movsi_media): New insn. Split to movdi to load constants.
+ (movsi): Enable for shmedia.
+ (movdi_media): New insn. Use shori_media to load wide constants.
+ (short_media): New insn.
+ (movdi): Enable for shmedia.
+ 2000-09-08 Alexandre Oliva <aoliva@redhat.com>
+ * config/sh/sh.h (CPP_SPEC): Added `m5'.
+ (SUBTARGET_CPP_SPEC): Added `!m5'.
+ (SH5_BIT, TARGET_SH5, TARGET_SHMEDIA, TARGET_SHCOMPACT): New macros.
+ (TARGET_SWITCHES): Added `5' and `5-compact'. Added SH1_BIT
+ to all other SH variants.
+ (TARGET_DEFAULT): Set to SH1_BIT.
+ (OVERRIDE_OPTIONS): Recognize sh5 CPU.
+ (BITS_PER_WORD): Raise to 64 on shmedia.
+ (MAX_BITS_PER_WORD): Change to 64.
+ (MAX_LONG_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): Set to MAX_BITS_PER_WORD.
+ (INT_TYPE_SIZE): Keep as 32.
+ (UNITS_PER_WORD): Raise to 8 on shmedia.
+ (MIN_UNITS_PER_WORD): Keep as 4.
+ (POINTER_SIZE): Raise to 64 on shmedia.
+ (CONST_OK_FOR_J): New macro.
+ (CONST_OK_FOR_LETTER_P): Use it.
+ (processor_type): Add PROCESSOR_SH5.
+ * config/sh/sh.md: Conditionalize all expands, insns and
+ splits to TARGET_SH1.
+ (cpu): Added sh5.
+ (addsi3_compact): Renamed from...
+ (addsi3): Now an expand.
+ (addsi3_media, subsi3_media): New insns.
+ (subsi3): Don't negate constants with SHmedia.
+
+ * hooks.c: New file.
+ * hooks.h: New file.
+ * Makefile.in (HOOKS_H): New.
+ (TARGET_DEF_H): Added $(HOOKS_H).
+ (OBJS): Added hooks.o.
+ (cfgcleanup.o, bb-reorder.o): Added target.h.
+ (hooks.o): Added dependencies.
+ * target-def.h (TARGET_CANNOT_MODIFY_JUMPS_P): New, added to...
+ (TARGET_INITIALIZER): this.
+ * doc/tm.texi (TARGET_CANNOT_MODIFY_JUMPS_P): Document.
+ * target.h (struct gcc_target): Added cannot_modify_jumps_p.
+ * bb-reorder.c: Include target.h.
+ (reorder_basic_blocks): Skip if cannot modify jumps.
+ * cfgcleanup.c: Include target.h.
+ (try_optimize_cfg): Skip merge blocking if cannot modify jumps.
+
+2002-02-08 Chris Demetriou <cgd@broadcom.com>
+
+ * config/mips/mips.md (casesi_internal, casesi_internal_di):
+ Protect jump delay slot instructions with .set noreorder and
+ .set nomacro.
+
+2002-02-08 Chris Demetriou <cgd@broadcom.com>
+
+ * config/mips/mips.md (casesi_internal_di): Calculate
+ the index into the target offset table correctly.
+
+2002-02-08 Richard Henderson <rth@redhat.com>
+
+ * expr.c (expand_expr): Mind EXPAND_INITIALIZER for truncation also.
+ * final.c (output_addr_const): Accept and discard SUBREG.
+ * varasm.c (decode_addr_const): Don't abort on unknown expressions --
+ mark them unknown instead.
+ (simplify_subtraction): Handle RTX_UNKNOWN.
+ (initializer_constant_valid_p): Strip NOP_EXPRs that narrow the mode.
+
+2002-02-08 David Edelsohn <edelsohn@gnu.org>
+
+ * doc/invoke.texi (RS/6000 and PowerPC Options): Fix typo.
+
+2002-02-08 Richard Henderson <rth@redhat.com>
+
+ * config/alpha/elf.h (ASM_OUTPUT_ALIGNED_BSS): New.
+
+2002-02-08 Andreas Jaeger <aj@suse.de>
+
+ * config.gcc (x86_64-*-linux): Add t-linux64 makefile fragment.
+ * config/i386/t-linux64: New file.
+
+2002-02-08 Jakub Jelinek <jakub@redhat.com>
+
+ * c-common.c (c_expand_expr): Revert 2002-02-06 patch.
+ * c-parse.in (compstmt): Clear last_expr_type.
+
+2002-02-07 Richard Henderson <rth@redhat.com>
+
+ * loop.c (strength_reduce): Sink final_value when not
+ eliminating a biv.
+
+2002-02-07 David O'Brien <obrien@FreeBSD.org>
+
+ * config/sparc/freebsd.h: Fix mismatched spec {.
+
+2002-02-07 Richard Henderson <rth@redhat.com>
+
+ * cfgrtl.c: Include recog.h and insn-config.h.
+ (keep_with_call_p): Fix general_operand invocation.
+ * Makefile.in (cfgrtl.o): Update dependencies.
+
+2002-02-07 Kazu Hirata <kazu@hxi.com>
+
+ * config/h8300/h8300.c (two_insn_adds_subs_operand): Revise a
+ comment. Accept HImode only if TARGET_H8300.
+
+2002-02-07 Eric Christopher <echristo@redhat.com>
+
+ * config/mips/crtn.asm: Cleanup #ifdefs.
+
+2002-02-07 Eric Christopher <echristo@redhat.com>
+
+ * config/mips/crti.asm: Add changes for mips16. mips16 uses
+ register 7 as RA instead of $31.
+ * config/mips/crtn.asm: Ditto.
+ * config/mips/mips.c (mips_move_2words): Add case for
+ TARGET_MIPS16 when HOST_BITS_PER_WIDE_INT >= 64.
+ (compute_frame_size): Fix typo.
+ (save_restore_insns): Ditto. Make documentation about using
+ register $7 as return register more precise.
+ (mips_expand_epilogue): Fix comment. Add code to work around not
+ being able to add to the stack pointer directly.
+ * config/mips/mips.h (EH_RETURN_DATA_REGNO): Change register number
+ to 2 for TARGET_MIPS16 as we need 6 and 7 as clobbers in the
+ epilogue.
+
+2002-02-07 Tom Rix <trix@redhat.com>
+
+ * config/rs6000/rs6000.c (reg_or_aligned_short_operand): New. For
+ immediates in ldu and stdu DS opcode field.
+ * config/rs6000/rs6000.md (movdi_update, movdi_update1): Use.
+ * config/rs6000/rs6000-protos.h: Add reg_or_aligned_short_operand.
+ * config/rs6000/rs6000.h (PREDICATE_CODES): Same.
+
+2002-02-07 Jeff Sturm <jsturm@one-point.com>
+
+ * config/sparc/sparc.c (compute_frame_size): Don't correct frame
+ offset for stack bias.
+
+2002-02-07 H.J. Lu <hjl@gnu.org>
+
+ * config/mips/linux.h (SUBTARGET_ASM_DEBUGGING_SPEC): Defined.
+
+2002-02-07 Ulrich Weigand <uweigand@de.ibm.com>
+
+ * testsuite/gcc.dg/cpp/charconst-2.c: Add -fsigned-char option.
+
+Thu Feb 7 12:14:17 CET 2002 Jan Hubicka <jh@suse.cz>
+
+ * i386-protos.h (x86_order_regs_for_local_alloc): Declare
+ * i386.c (x86_order_regs_for_local_alloc): New global function.
+ * i386.h (REG_ALLOC_ORDER): CLeanup.
+ (ORDER_REGS_FOR_LOCAL_ALLOC): New.
+
+2002-02-07 Richard Henderson <rth@redhat.com>
+
+ PR optimization/2463
+ * alias.c (find_base_value): Recall base values for fixed hard regs.
+ * loop.c (loop_regs_update): Don't use single_set on non-insns.
+
+2002-02-07 Alexandre Oliva <aoliva@redhat.com>
+
+ * config/mips/mips.md (define_delay) [mips16]: Adjust required
+ length.
+
+2002-02-06 Richard Henderson <rth@redhat.com>
+
+ PR c/5609
+ * stmt.c (resolve_operand_name_1): Take more care with mixed
+ named and unnamed operands.
+
+2002-02-06 Janis Johnson <janis187@us.ibm.com>
+ Jan Hubicka <jh@suse.cz>
+
+ * loop.c (remove_constant_addition): Avoid clobbering a shared
+ CONST expression.
+
+2002-02-06 Ulrich Weigand <uweigand@de.ibm.com>
+
+ * config.gcc (s390x-*-linux*): Add t-linux64 makefile fragment.
+ * config/s390/t-linux64: New file.
+ * config/s390/libgcc-glibc.ver: New file.
+
+2002-02-06 Ulrich Weigand <uweigand@de.ibm.com>
+
+ * config/s390/linux64.h: Delete file.
+ * config/s390/s390x.h: New file.
+ * config.gcc (s390x-*-linux*): Use s390x.h instead of linux64.h
+ as target header file.
+ * config/s390/linux.h (TARGET_VERSION): Define depending on
+ DEFAULT_TARGET_64BIT.
+ (CPP_SPEC, ASM_SPEC, LINK_SPEC): Likewise.
+ (SIZE_TYPE, PTRDIFF_TYPE): Likewise.
+ (NO_BUILTIN_SIZE_TYPE, NO_BUILTIN_PTRDIFF_TYPE): Define.
+ (CPP_ARCH31_SPEC, CPP_ARCH64_SPEC): New defines.
+ (LINK_ARCH31_SPEC, LINK_ARCH64_SPEC): New defines.
+ (EXTRA_SPEC): New define.
+ * config/s390/s390.h (TARGET_VERSION): Define depending on
+ DEFAULT_TARGET_64BIT.
+ (MASK_RETURN_ADDR): Add run-time check for TARGET_64BIT.
+
+2002-02-06 Jason Merrill <jason@redhat.com>
+
+ * c-decl.c (finish_function): Warn about a non-void function with
+ no return statement and no abnormal exit.
+ (current_function_returns_abnormally): New variable.
+ (start_function): Clear it.
+ (struct c_language_function): Add returns_abnormally.
+ (push_c_function_context): Save it.
+ (pop_c_function_context): Restore it.
+ (builtin_function): Set TREE_THIS_VOLATILE on return fns.
+ (grokdeclarator): Set C_FUNCTION_IMPLICIT_INT on functions without
+ an explicit return type.
+ * c-tree.h: Declare current_function_returns_abnormally.
+ (C_FUNCTION_IMPLICIT_INT): New macro.
+ * c-typeck.c (build_function_call): Set it.
+ (c_expand_return): Set current_function_returns_value even if the
+ value is erroneous.
+
+2002-02-06 Jakub Jelinek <jakub@redhat.com>
+
+ PR c/5420:
+ * c-common.c (c_unsafe_for_reeval): Make COMPOUND_LITERAL_EXPR
+ unsafe for reevaluation.
+
+2002-02-06 Jakub Jelinek <jakub@redhat.com>
+
+ PR c/5482:
+ * c-common.c (c_expand_expr) [STMT_EXPR]: If last expression is not
+ EXPR_STMT, but COMPOUND_STMT, recurse into it.
+
+2002-02-06 Richard Henderson <rth@redhat.com>
+
+ * cfganal.c (keep_with_call_p): Source for fixed_reg dest must
+ be a general_operand. Dest for function value must be a pseudo.
+
+2002-02-06 Nick Clifton <nickc@cambridge.redhat.com>
+
+ * dbxout.c (dbxout_symbol_location): Accept LABEL_REFs as well
+ as SYMBOL_REFs from the constant pool.
+
+2002-02-06 Alexandre Oliva <aoliva@redhat.com>
+
+ * dbxout.c (dbxout_parms): Apply DEBUGGER_ARG_OFFSET to parameters
+ passed by invisible reference.
+
+2002-02-05 Richard Henderson <rth@redhat.com>
+
+ * config/sparc/sparc.h (ARG_POINTER_CFA_OFFSET): No stack bias.
+
+2002-02-06 Hans-Peter Nilsson <hp@bitrange.com>
+
+ Implement using "base addresses" in insn operands as default.
+ * config/mmix/mmix.c (mmix_conditional_register_usage): if
+ -mabi=gnu, modify fixed_regs to fit the GNU ABI.
+ (mmix_extra_constraint): Use 'R' to indicate that GETA should be
+ used to read the rtx value.
+ (mmix_target_asm_function_epilogue): Fix spacing.
+ (mmix_constant_address_p): Handle TARGET_BASE_ADDRESSES.
+ (mmix_legitimate_address): Ditto.
+ (mmix_encode_section_info): Set SYMBOL_REF_FLAG on rtx:es that
+ should be loaded with a GETA insn. Don't allocate needless extra
+ char for nul termination and fix misleading comment.
+ (mmix_print_operand_address): Handle constants if
+ TARGET_BASE_ADDRESSES.
+ (mmix_output_register_setting): Use base addressing if
+ TARGET_BASE_ADDRESSES and the number of insns is 3.
+ * config/mmix/t-mmix (MULTILIB_EXTRA_OPTS): New.
+ * config/mmix/mmix.md ("movdi"): Change the alternative with GETA
+ to use R as constraint, add LDA to match s.
+ * config/mmix/mmix.h (TARGET_BASE_ADDRESSES): New.
+ (TARGET_DEFAULT): Add TARGET_MASK_BASE_ADDRESSES.
+ (TARGET_SWITCHES): Add -mbase-addresses, -mno-base-addresses.
+ (FIXED_REGISTERS): Make registers $231..$246 fixed by default.
+ (MMIX_MMIXWARE_ABI_REG_ALLOC_ORDER): Move $231..$246 last, in
+ order with other fixed registers.
+ (MMIX_GNU_ABI_REG_ALLOC_ORDER): Put forward $231, in order with
+ other parameter/call-clobbered registers.
+ * doc/invoke.texi (Option Summary) <MMIX Options>: Add
+ -mbase-addresses, -mno-base-addresses.
+ (MMIX Options): Ditto.
+
2002-02-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
* pa.h (PREDICATE_CODES): Add reg_before_reload_operand.
(set_reg_plus_d): Likewise.
(hppa_expand_prologue): Likewise.
(hppa_expand_epilogue): Likewise.
-
+
2002-02-04 John David Anglin <dave@hiauly1.hia.nrc.ca>
* unwind-dw2-fde-glibc.c: Define _GNU_SOURCE if not defined.
* config/arm/arm.c (arm_hard_regno_mode_ok): Allow any value in
any geenral register.
-
+
2001-02-04 Bernd Schmidt <bernds@redhat.com>
* cfgrtl.c (force_nonfallthru_and_redirect): Don't try to redirect
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