Neil Booth [Sun, 8 Apr 2001 10:01:18 +0000 (10:01 +0000)]
cpperror.c (print_location): Don't special case <stdin>.
* cpperror.c (print_location): Don't special case <stdin>.
(_cpp_begin_message): Handle WARNING_SYSHDR the same as
WARNING, but we don't check if we're in system headers.
* cpplib.h (enum error_type): WARNING_SYSHDR: New.
* cpplib.c (do_warning): Warn in system headers.
config.gcc: Set default for xmake_file at top, not bottom.
* config.gcc: Set default for xmake_file at top, not bottom.
Change places that set xmake_file to "none" to set to the
empty string instead, or remove them entirely if there is no
default xmake_file for this cpu_type. Remove references to
deleted files.
* config/a29k/x-unix, config/i386/x-aix, config/i386/x-osf1elf,
config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
config/mips/x-sysv, config/rs6000/x-aix31:
Just set CLIB to -lld or -lmld, as appropriate.
* config/arm/x-riscix, config/i370/x-oe, config/i386/x-dgux,
config/i386/x-sco4, config/i386/x-sco5, config/m68k/x-hp320,
config/m68k/x-hp320g, config/m68k/x-next, config/m88k/x-dgux,
config/mips/x-iris, config/pa/x-pa:
Just set (some of) FIXPROTO_DEFINES, STMP_FIXPROTO,
OTHER_FIXINCLUDES_DIRS.
* config/i386/x-djgpp: Don't set LN or LN_S.
* config/m88k/x-dolph: Don't define __m88k__.
* config/m88k/x-tekXD88: Don't set AR_FLAGS.
* config/pa/x-pa-mpeix: Just set up quadlib.asm.
* config/i860/fx2800.h: No need to #undef SVR4.
Tom Tromey [Sat, 7 Apr 2001 19:54:52 +0000 (19:54 +0000)]
Fix for PR gcj/1404 and PR gcj/2332:
2001-04-06 Tom Tromey <tromey@redhat.com>
Alexandre Petit-Bianco <apbianco@redhat.com>
Fix for PR gcj/1404 and PR gcj/2332:
* parse.y (build_array_from_name): If we use the type_wfl then
accumulate dimensions from the original type as well.
(build_unresolved_array_type): Don't modify TYPE_OR_WFL in place.
Neil Booth [Fri, 6 Apr 2001 05:21:36 +0000 (05:21 +0000)]
cppfiles.c (open_file): Fail directories silently, but with an errno of NOENT set.
* cppfiles.c (open_file): Fail directories silently, but
with an errno of NOENT set.
(read_include_file): Move the common exit code to the sole
caller. Return an int indicating success or failure. Let
open_file handle directories.
(stack_include_file): If read_include_file fails,
push a "null" buffer.
* java-tree.h (struct lang_decl): New macro
`DECL_FIXED_CONSTRUCTOR_P.' New field `fixed_ctor.'
* parse.y (build_instance_initializer): New function.
(add_instance_initializer): Use it.
(java_fix_constructors): Set `current_class' before fix pass.
(fix_constructors): Just return if already fixed. Move `super()'
invokation ahead. Use `build_instance_initializer.'
Fixes PR java/1315.
DJ Delorie [Thu, 5 Apr 2001 20:13:53 +0000 (16:13 -0400)]
function.h (virtuals_instantiated): Declare.
* function.h (virtuals_instantiated): Declare.
* function.c: (virtuals_instantiated): Make global.
* calls.c (emit_library_call_value_1): Use
virtual_outgoing_args_rtx only if it hasn't been instantiated.
Otherwise, use the stack pointer directly.
* parse.y (resolve_qualified_expression_name): Pass field's
DECL_CONTEXT to `not_accessible_p.'
(not_accessible_p): Changed parameters order in `inherits_from_p'
invokation.
Jan Hubicka [Thu, 5 Apr 2001 16:28:44 +0000 (18:28 +0200)]
i386.c (function_arg): Return constm1_rtx for last argument.
* i386.c (function_arg): Return constm1_rtx for last argument.
(ix86_expand_prologue): Update gen_call calls.
* i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
* i386.md (call_pop): Likewise.
(call): Second operand is VOIDmode.
(call_0): Likewise; Support 64bits.
(call_exp): New expander.
(call_1): Get to the sync.
(call_1_exp): New pattern.
(call_value): Support 64bit.
(call_value_exp): New pattern.
(untyped_call): Update gen_call call.
(call_value_pop): Disable for 64bit.
(call_value_0_rex64): New pattern.
(call_value_1_rex64): Likewise.
* config.gcc: Remove default for xm_file. Clean up local
machine type handling. Remove settings of xm_file to
something that doesn't exist. In the big switch, set xm_file,
don't append to it (the value before the big switch is always
null). Don't force build_xm_file or host_xm_file to have a value.
* configure.in: Remove default for xm_file. Do not special
case $cpu/xm-$cpu.h not existing.
* configure: Regenerate.
Andrew MacLeod [Thu, 5 Apr 2001 01:43:17 +0000 (01:43 +0000)]
dwarf2out.c (output_cfi): Add 'for_eh' parameter, use PTR_SIZE instead of DWARF2_ADDR_SIZE for EH addresses.
2001-04-04 Andrew MacLeod <amacleod@redhat.com>
* dwarf2out.c (output_cfi): Add 'for_eh' parameter, use PTR_SIZE
instead of DWARF2_ADDR_SIZE for EH addresses.
(output_call_frame_info): Use PTR_SIZE instead of DWARF2_ADDR_SIZE for
EH addresses.
Hans Boehm [Thu, 5 Apr 2001 00:14:18 +0000 (00:14 +0000)]
finalize.c: - Accomodate finalization requests for static objects.
2001-04-04 Hans Boehm <hans_boehm@hp.com>
* finalize.c:
- Accomodate finalization requests for static objects.
(Will be required by hash synchronization. May be needed
in some configurations now.)
* gc_priv.h:
- Define MIN_WORDS. All allocation requests are rounded
up to at least this size. Removes a subtle assumption that
Java objects have a 2 word header.
* gcconfig.h:
- Adjust Linux/IA64 configuration for non-ancient kernels.
(Necessary fix for IA64.)
* linux_threads.c:
- Fix syntax error in currently unused code. Will be needed
for Linux/PA-RISC.
* malloc.c:
- Handle MIN_WORDS.
* misc.c:
- Handle MIN_WORDS.
- Change stack cleaning code to typically clear about one tenth
the memory it used to in the threads configuration. Occasionally
still clear more. (This is really a fix for a long-standing
and fairly significant performance bug with threads.)
* os_dep.c:
- Fix the code for finding the beginning of the data segment under
Linux. I believe this is necessary for some IA64 Linux
distributions. It will also helo other platforms, though those
may additionally require a gcconfig.h adjustment. (This basically
works around the absence of a data_start or __data_start
definition in glibc.)
Per Bothner [Wed, 4 Apr 2001 20:56:01 +0000 (13:56 -0700)]
java-tree.h (CONSTANT_VALUE_P): New macro.
* java-tree.h (CONSTANT_VALUE_P): New macro.
* jcf-write.c (generate_classfile): Use CONSTANT_VALUE_P.
* parse.y (maybe_build_class_init_for_field): New static function.
(resolve_expression_name, resolve_field_access): Use
maybe_build_class_init_for_field instead of build_class_init
This does not do the init if the field is compile-time-constant.
(resolve_field_access): Simplify.
* parse.y (fold_constant_for_init): Merge test into switch.
Jakub Jelinek [Wed, 4 Apr 2001 20:19:23 +0000 (22:19 +0200)]
gcse.c (delete_null_pointer_checks_1): Add delete_list argument, push insns to delete to it instead of deleting them.
* gcse.c (delete_null_pointer_checks_1): Add delete_list argument,
push insns to delete to it instead of deleting them.
(delete_null_pointer_checks): Delete insns from delete_list after
all delete_null_pointer_checks_1 passes are done.
Alan Modra [Wed, 4 Apr 2001 03:13:54 +0000 (03:13 +0000)]
DWARF2 frame notes for hppa.
* dwarf2out.c (dwarf2out_frame_debug_expr): Support adjusting
stack pointer via a LO_SUM. Ditto for setting a temp register
used to save to the stack. Set cfa_temp when setting fp, and
allow matches to cfa_temp in addition to cfa_store when saving
regs. Handle POST_INC and LO_SUM register stores. Document the
changes and errors in rule 12 doco.
* pa.c (set_reg_plus_d, store_reg, load_reg): Return last insn.
(actual_fsize, local_fsize, save_fregs): Move for store_reg to see.
(load_reg): Move closer to epilogue code.
(DO_FRAME_NOTES): Define to control the following..
(FRP): Define to set RTX_FRAME_RELATED_P on insns.
(hppa_expand_prologue): Use FRP and REG_FRAME_RELATED_EXPR
notes as necessary.
(hppa_expand_epilogue): Likewise.
ansidecl.h: All logic from gcc/gansidecl.h moved here.
include:
* ansidecl.h: All logic from gcc/gansidecl.h moved here.
gcc:
* gansidecl.h: Delete file.
* configure.in: Change all refs to gansidecl.h to use
ansidecl.h. Adjust *_file_list so they know where ansidecl.h
lives.
* configure: Regenerate.
* Makefile.in (intl.o): Don't depend on gansidecl.h.
* defaults.h: s/gansidecl.h/ansidecl.h/ in comment.
* ggc.h, config/fr30/fr30.h, config/mcore/mcore.c:
Don't include gansidecl.h.
* intl.c, main.c, version.c, fixinc/fixlib.h,
fixinc/procopen.c, fixinc/server.c: Include ansidecl.h not
gansidecl.h.
gcc/java:
* Make-lang.in (buffer.o, check-init.o, class.o): Don't depend
on gansidecl.h.
* buffer.c, jvgenmain.c: Don't include gansidecl.h.
libiberty:
* make-temp-file.c (try): Inline.
boehm.c (PROCEDURE_OBJECT_DESCRIPTOR): Set to use `build_int_2.'
2001-03-28 Hans Boehm <boehm@acm.org>
* boehm.c (PROCEDURE_OBJECT_DESCRIPTOR): Set to use `build_int_2.'
(get_boehm_type_descriptor): Set type on returned value to be a
pointer length integer.
Jakub Jelinek [Tue, 3 Apr 2001 15:06:12 +0000 (17:06 +0200)]
Use byte offsets in SUBREGs instead of words.
2001-04-03 Jakub Jelinek <jakub@redhat.com>
David S. Miller <davem@pierdol.cobaltmicro.com>
Andrew MacLeod <amacleod@redhat.com>
Use byte offsets in SUBREGs instead of words.
* alias.c (nonlocal_mentioned_p): Use subreg_regno function.
* caller-save.c (mark_set_regs): Change callers of subreg_hard_regno
to pass new argument.
(add_stored_regs): Use subreg_regno_offset function.
* calls.c (expand_call): For non-paradoxical SUBREG take endianess
into account.
(precompute_arguments): Use gen_lowpart_SUBREG.
* combine.c (try_combine): Replace explicit XEXP with SUBREG_REG.
(combine_simplify_rtx): Rework to use SUBREG_BYTE.
(simplify_set): Rework to use SUBREG_BYTE.
(expand_field_assignment): Use SUBREG_BYTE.
(make_extraction): Use SUBREG_BYTE.
(if_then_else_cond): Use SUBREG_BYTE.
(apply_distributive_law): Use SUBREG_BYTE and fixup subreg comments.
(gen_lowpart_for_combine): Compute full byte offset.
* cse.c (mention_regs): Use SUBREG_BYTE.
(remove_invalid_subreg_refs): Rework to use SUBREG_BYTE.
(canon_hash): Use SUBREG_BYTE.
(fold_rtx): Pass SUBREG_BYTE div UNITS_PER_WORD to operand_subword.
(gen_lowpart_if_possible): Formatting.
* dbxout.c (dbxout_symbol_location): Compute SUBREG hard regnos
correctly.
* dwarf2out.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
(mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
(loc_descriptor): Fixup explicit XEXP into SUBREG_REG
* dwarfout.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
(output_mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
(output_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
* emit-rtl.c (gen_rtx_SUBREG): New function, used to verify
certain invariants about SUBREGs the compiler creates.
(gen_lowpart_SUBREG): New function.
(subreg_hard_regno): New function to get the final register number.
(gen_lowpart_common): Use SUBREG_BYTE.
(gen_imagpart): Spacing nits.
(subreg_realpart_p): Use SUBREG_BYTE.
(gen_highpart): Use SUBREG_BYTE.
(subreg_lowpart_p): Always compute endian corrected goal offset,
even at the byte level, then compare against that.
(constant_subword): New function, pulled out all constant cases
from operand_subword and changed second argument name to offset.
(operand_subword): Detect non REG/SUBREG/CONCAT/MEM cases early
and call constant_subword to do the work. Return const0_rtx if
looking for a word outside of OP.
(operand_subword_force): Change second arg name to offset.
* expmed.c (store_bit_field): Use SUBREG_BYTE.
(store_split_bit_field): Use SUBREG_BYTE.
(extract_bit_field): Use SUBREG_BYTE.
(extract_split_bit_field): Use SUBREG_BYTE.
(expand_shift): Use SUBREG_BYTE.
* expr.c (store_expr, expand_expr): Use gen_lowpart_SUBREG.
* final.c (alter_subreg) Use subreg_hard_regno and SUBREG_BYTE.
* flow.c (set_noop_p): Use SUBREG_BYTE.
(mark_set_1): Remove ALTER_HARD_SUBREG. Use subreg_regno_offset instead.
* function.c (fixup_var_refs_1): Fixup explicit XEXP into a SUBREG_REG.
(fixup_memory_subreg): Use SUBREG_BYTE and remove byte endian
correction code.
(optimize_bit_field): Use SUBREG_BYTE.
(purge_addressof_1): Use SUBREG_BYTE.
(purge_single_hard_subreg_set): Use subreg_regno_offset function.
(assign_params): Mark arguments SUBREG_PROMOTED_VAR_P if they are
actually promoted by the caller and PROMOTE_FOR_CALLS_ONLY is true.
* gengenrtl.c (special_rtx): Add SUBREG.
* global.c (mark_reg_store): Use SUBREG_BYTE.
(set_preference): Rework to use subreg_regno_offset and SUBREG_BYTE.
* ifcvt (noce_emit_move_insn): Use SUBREG_BYTE.
* integrate.c (copy_rtx_and_substitute): Use SUBREG_BYTE and make sure
final byte offset is congruent to subreg's mode size.
(subst_constants): Use SUBREG_BYTE.
(mark_stores): Use subreg_regno_offset function.
* jump.c (rtx_renumbered_equal_p, true_regnum): Use subreg_regno_offset
function and SUBREG_BYTE.
* local-alloc.c (combine_regs): Use subreg_regno_offset function.
(reg_is_born): Use subreg_hard_regno.
* recog.c (valid_replace_rtx_1): Use SUBREG_BYTE and remove byte
endian correction code. Don't combine subregs unless resulting
offset aligns with type. Fix subreg constant extraction for DImode.
Simplify SUBREG of VOIDmode CONST_DOUBLE.
(general_operand): Remove dead mode_altering_drug code.
(indirect_operand): Use SUBREG_BYTE.
(constrain_operands): Use subreg_regno_offset function.
* reg-stack.c (get_true_reg): Use subreg_regno_offset function.
* regmove.c (regmove_optimize): Use SUBREG_BYTE.
(optimize_reg_copy_3): Use gen_lowpart_SUBREG.
* regs.h (REG_SIZE): Allow target to override.
(REGMODE_NATURAL_SIZE): New macro which target can override.
* reload.c (reload_inner_reg_of_subreg): subreg_regno should be used
on the entire subreg rtx.
(push_reload): Use SUBREG_BYTE in comments and code.
(find_dummy_reload): Use subreg_regno_offset. Only adjust offsets
for hard registers inside subregs.
(operands_match_p): Use subreg_regno_offset.
(find_reloads): Use SUBREG_BYTE and only advance offset for subregs
containing hard regs.
(find_reload_toplev): Use SUBREG_BYTE. Remove byte endian
corrections when fixing up MEM subregs.
(find_reloads_address_1): Use SUBREG_BYTE, subreg_regno, and
subreg_regno_offset where appropriate.
(find_reloads_subreg_address): Use SUBREG_BYTE. Remove
byte endian corrections when fixing up MEM subregs.
(subst_reloads): When combining two subregs, make sure final
offset is congruent to subreg's mode size.
(find_replacement): Use SUBREG_BYTE and subreg_regno_offset.
(refers_to_regno_for_reload_p): Use subreg_regno.
(reg_overlap_mentioned_for_reload_p): Use subreg_regno_offset.
* reload1.c (eliminate_regs) Use SUBREG_BYTE. Remove byte endian
correction code for memory subreg fixups.
(forget_old_reload_1): Use subreg_regno_offset.
(choose_reload_regs): Use subreg_regno.
(emit_input_reload_insns): Use SUBREG_BYTE.
(reload_combine_note_store): Use subreg_regno_offset.
(move2add_note_store): Use subreg_regno_offset.
* resource.c (update_live_status, mark_referenced_resources): Use
subreg_regno function.
(mark_set_resources): Use subreg_regno function.
* rtl.h (SUBREG_WORD): Rename to SUBREG_BYTE.
(subreg_regno_offset, subreg_regno): Define prototypes.
(subreg_hard_regno, constant_subword, gen_rtx_SUBREG): Newi functions.
(gen_lowpart_SUBREG): Add prototype.
* rtl.texi (subreg): Update to reflect new byte offset representation.
Add mentioning of the effect that BYTES_BIG_ENDIAN has on subregs now.
* rtlanal.c (refers_to_regno_p): Use subreg_regno.
(reg_overlap_mentioned_p): Use subreg_regno.
(replace_regs); Make sure final offset of combined subreg is
congruent to size of subreg's mode.
(subreg_regno_offset): New function.
(subreg_regno): New function.
* sched-vis.c (print_value): Change SUBREG_WORD to SUBREG_BYTE.
* sdbout.c (sdbout_symbol): Compute offset using alter_subreg.
* stmt.c (expand_anon_union_decl): Use gen_lowpart_SUBREG.
* tm.texi (ALTER_HARD_SUBREG): Remove, it is now dead.
(SUBREG_REGNO_OFFSET): Describe SUBREG_REGNO_OFFSET overrides.
* config/a29k/a29k.c (gpc_reg_operand): Use subreg_regno.
(a29k_get_reloaded_address): Use SUBREG_BYTE.
(print_operand): Use SUBREG_BYTE.
* config/alpha/alpha.c (print_operand_address): Use SUBREG_BYTE.
* config/arm/arm.c (arm_reload_in_hi): Use SUBREG_BYTE.
(arm_reload_out_hi): Use SUBREG_BYTE.
* config/d30v/d30v.c (d30v_split_double): Use subreg_regno_offset
instead of SUBREG_WORD.
(d30v_print_operand_memory_reference): Use subreg_regno_offset.
* config/dsp16xx/dsp16xx.md (extendqihi2, zero_extendqihi2): Fix
SUBREG creation to use byte offset.
* config/h8300/h8300.md (Unnamed HImode zero extraction and 16bit
inverted load insns): Fix explicit rtl subregs to use byte
offsets.
* config/i370/i370.md (cmpstrsi, movstrsi, mulsi3, divsi3,
udivsi3, umodsi3): Generate SUBREGs with byte offsets.
* config/i860/i860.c (single_insn_src_p): Use SUBREG_BYTE.
* config/i860/i860.md (mulsi3_big): Fixup explicit SUBREGs in rtl
to use byte offsets.
(unnamed fmlow.dd insn): Fixup SUBREGS to use byte offsets.
* config/i960/i960.md (extendhisi2): Generate SUBREGs with byte
offsets, also make sure it is congruent to SUBREG's mode size.
(extendqisi2, extendqihi2, zero_extendhisi2, zero_extendqisi2,
unnamed ldob insn): Generate SUBREGs with byte offset.
(zero_extendqihi2): SUBREG's are byte offsets.
* config/m68hc11/m68hc11.c (m68hc11_gen_lowpart): Use SUBREG_BYTE.
(m68hc11_gen_highpart): Use SUBREG_BYTE.
* config/m68k/m68k.md (zero_extendhisi2, zero_extendqihi2,
zero-extendqisi2): Generate SUBREGs with byte offset.
(umulsidi3, mulsidi3, subreghi1ashrdi_const32,
subregsi1ashrdi_const32, subreg1lshrdi_const32): Fixup explicit
subregs in rtl to use byte offsets.
* config/m88k/m88k.md (extendsidi2): fixup subregs to use byte offset.
* config/mips/mips.c (mips_move_1word): Use subreg_regno_offset.
(mips_move_2words): Use subreg_regno_offset.
(mips_secondary_reload_class): Use subreg_regno_offset.
* config/mips/mips.md (DImode plus, minus, move, and logical op
splits): Fixup explicit subregs in rtl to use byte offsets.
* config/mn10200/mn10200.c (print_operand): Use subreg_regno function.
* config/mn10300/mn10300.c (print_operand): Use subreg_regno function.
* config/ns32k/ns32k.md (udivmoddisi4): Fix explicit subregs in
rtl to use byte offsets.
* config/pa/pa.c (emit_move_sequence): Use SUBREG_BYTE.
* config/pa/pa.md (floatunssisf2, floatunssidf2, mulsi3): fix explicit
subregs to use byte offsets.
* config/pdp11/pdp11.md (zero_extendhisi2, modhi3, modhi3+1):
Fixup explicit subregs in rtl to use byte offsets.
* config/romp/romp.c (memory_offset_in_range_p): Use SUBREG_BYTE
and remove byte endian correction code.
* config/sh/sh.c (output_movedouble): Use subreg_regno.
(gen_ashift_hi): Use SUBREG_BYTE.
(regs_used): Use subreg_regno_offset.
(machine_dependent_reorg): Use subreg_regno_offset.
* config/sh/sh.h (INDEX_REGISTER_RTX_P): Use SUBREG_BYTE.
* config/sh/sh.md (DImode and DFmode move splits): Use subreg_regno.
(movdf_i4): Subregs are byte offsets now.
* config/sparc/sparc.c (ultra_find_type): Use SUBREG_BYTE.
* config/sparc/sparc.h (ALTER_HARD_SUBREG): Removed.
(REGMODE_NATURAL_SIZE): Override.
(REG_SIZE): For SUBREG check float mode on SUBREG_REG's mode.
* config/sparc/sparc.md (TFmode move splits): Generate SUBREGs
with byte offsets.
(zero_extendhisi2, zero_extendqidi2_insn, extendhisi2,
extendqihi2, sign_extendqihi2_insn, sign_extendqisi2_insn,
extendqidi2): Generate SUBREGs with byte offsets, also make sure
it is congruent to SUBREG's mode size.
(smulsi3_highpart_v8plus): Fix explicit subregs in rtl to use byte
offsets.
(cmp_siqi_trunc, cmp_siqi_trunc_set, cmp_diqi_trunc,
cmp_diqi_trunc_set, lshrdi3_v8plus+1, lshrdi3_v8plus+2,
lshrdi3_v8plus+3, lshrdi3_v8plus+4): Use proper
SUBREG_BYTE offset for non-paradoxical subregs in patterns.
* config/v850/v850.c (print_operand, output_move_double): Use
subreg_regno function.
Co-Authored-By: Andrew MacLeod <amacleod@redhat.com> Co-Authored-By: David S. Miller <davem@pierdol.cobaltmicro.com>
From-SVN: r41058
Alan Modra [Tue, 3 Apr 2001 07:43:27 +0000 (07:43 +0000)]
TARGET_NO_SPACE_REGS no longer affects call sequences.
* pa.h: Revise comments for TARGET_NO_SPACE_REGS and
TARGET_FAST_INDIRECT_CALLS.
* pa.c (override_options): TARGET_NO_SPACE_REGS is now OK with
-fPIC. Don't warn.
(return_addr_rtx): Short circuit export stub matching when
TARGET_NO_SPACE_REGS.
(output_millicode_call): For out of range calls, make -fPIC
take precedence, then TARGET_PORTABLE_RUNTIME, then ble. Don't
return before delay slot checks when TARGET_PORTABLE_RUNTIME.
* pa.md: Modify length attr calculation of all millicode insns to
match above.
configure.in (gcc_cv_as_leb128): Correct name of cache variable.
* configure.in (gcc_cv_as_leb128): Correct name of cache variable.
Require at least 2.11 in the version test. Specifically check
for and reject GAS version 2.10.90.
* configure: regenerate.