* calls.c (expand_call): Only destroy temporaries at the end
of function calls, if flag_short_temps is set.
* expr.c (safe_from_p, expand_expr): Handle CLEANUP_POINT_EXPRs.
* expr.c (expand_expr): Improve handling of temporaries inside
COND_EXPRs, cures call to sorry.
* expr.c (defer_cleanups_to): New routine to handle the deferral
of cleanups.
* flags.h (flag_short_temps): New flag, to allow better control
over the lifetime of temporaries.
* toplev.c (flag_short_temps, lang_options): Ditto.
* tree.def (CLEANUP_POINT_EXPR): Add, to allow better control over
the lifetime of temporaries.
From-SVN: r7289
(zero_extendqidi2, extendqidi2, zero_extendhidi2): New patterns.
(extendhidi2, zero_extendsidi2, extendsidi2): Likewise.
(zero_extendqisi2, zero_extendqihi2, zero_extendhisi2): Use
andil/andi instead of rlinm/rlwinm.
(zero_extendqihi2): Add condition register variants.
(extendqisi2, extendqihi2): Use extsb for PowerPC.
(adddi3, subdi3, negdi2, ashrdi3): Emulate only if !TARGET_POWERPC64.
(movdf, movdi, movti): New PowerPC64 versions.
(load/store with update): New PowerPC64 patterns.
From-SVN: r7288
(CPP_SPEC): Set _SEQUENT_ to 1.
(SHARED_SECTION_ASM_OP, ASM_OUTPUT_SHARED_COMMON): Supply new macros.
(SHARED_BSS_SECTION_ASM_OP, BSS_SECTION_FUNCTION): Likewise.
From-SVN: r7262
(TARGET_FLAT): Renamed from TARGET_FRW_COMPAT.
(TARGET_SWITCHES): Delete references to -mfrw, -mfrw-compat. Add -mflat.
(CONDITIONAL_REGISTER_USAGE): If -mflat, fix %i7, rename "%fp"
to "%i7", and make %g7 a global_reg.
(FRAME_POINTER_REQUIRED): Handle -mflat.
(INITIAL_FRAME_POINTER_OFFSET): Likewise.
(ARG_POINTER_REGNUM): Explicitly say it's the frame pointer.
(LEAF_REGISTERS): Make %g7 not a leaf register.
(leaf_reg_backmap): Delete.
(LEAF_REG_BACKMAP): Likewise.
(FUNCTION_PROLOGUE): Handle -mflat.
(FUNCTION_EPILOGUE): Likewise.
(DELAY_SLOTS_FOR_EPILOGUE): Likewise.
(ELIGIBLE_FOR_EPILOGUE_DELAY): Likewise.
From-SVN: r7259
(decl_attributes): Move the attribute recognition and rejection here from
c-parse.in.
(decl_attributes): Use VALID_MACHINE_ATTRIBUTE macro.
From-SVN: r7256
(make_node): Add support for SET_DEFAULT_TYPE_ATTRIBUTES.
(build_type_attribute_variant): New function.
(type_hash_lookup): Check if the attributes match.
(attribute_list_{equal,contained}): New functions.
From-SVN: r7253
(struct tree_type): attributes, new field.
(precision): Move this field up for better alignment.
(attribute_list_{equal,contained}): Prototype for new functions.
(build_type_attribute_variant): Prototype for new function.
From-SVN: r7251
