| Commit message (Collapse) | Author | Age | Files | Lines |
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* cse.c (fold_rtx): Only eliminate a CONSTANT_P_RTX to 1 when
its argument is constant, or 0 if !flag_gcse.
* simplify-rtx.c (simplify_rtx): Convert CONSTANT_P_RTX to 1
if it's argument is constant.
* gcse.c (want_to_gcse_p): Ignore CONSTANT_P_RTX nodes.
(hash_scan_set): Don't record CONSTANT_P_RTX expressions.
(do_local_cprop): Don't propagate CONSTANT_P_RTX constants.
* builtins.c (purge_builtin_constant_p): New function to force
instantiation of any remaining CONSTANT_P_RTX nodes.
* rtl.h (purge_builtin_constant_p): Prototype here.
* toplev.c (rest_of_compilation): Invoke purge_builtin_constant_p
pass after GCSE and before loop.
(flag_gcse): No longer static.
* flags.h (flag_gcse): Prototype here.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@61642 138bc75d-0d04-0410-961f-82ee72b054a4
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* reload.c: Likewise.
* reload1.c: Likewise.
* resource.c: Likewise.
* rtl.def: Likewise.
* rtl.h: Likewise.
* rtlanal.c: Likewise.
* sched-deps.c: Likewise.
* sched-rgn.c: Likewise.
* sibcall.c: Likewise.
* simplify-rtx.c: Likewise.
* ssa-ccp.c: Likewise.
* ssa.c: Likewise.
* stmt.c: Likewise.
* stor-layout.c: Likewise.
* system.h: Likewise.
* tlink.c: Likewise.
* toplev.c: Likewise.
* tracer.c: Likewise.
* tree-inline.c: Likewise.
* tree.c: Likewise.
* tree.h: Likewise.
* unroll.c: Likewise.
* varasm.c: Likewise.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@60473 138bc75d-0d04-0410-961f-82ee72b054a4
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git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@60174 138bc75d-0d04-0410-961f-82ee72b054a4
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* hard-reg-set.h (REG_CANNOT_CHANGE_MODE_P): New.
* config/rs6000/rs6000.h (CLASS_CANNOT_CHANGE_MODE_P): Remove.
(CLASS_CANNOT_CHANGE_MODE): Remove.
(CANNOT_CHANGE_MODE_CLASS): New.
* config/alpha/alpha.h: Same.
* config/ia64/ia64.h: Same.
* config/mips/mips.h: Same.
* config/s390/s390.h: Same.
* config/sh/sh.h: Same.
* config/pa/pa64-regs.h: Same.
* config/sh/sh-protos.h (sh_cannot_change_mode_class): Add prototype.
* config/sh/sh.c (sh_cannot_change_mode_class): New.
* config/mips/mips-protos.h (mips_cannot_change_mode_class): Add
prototype.
* config/mips/mips.c (mips_cannot_change_mode_class): New.
* doc/tm.texi (Register Classes): Remove
CLASS_CANNOT_CHANGE_MODE and CLASS_CANNOT_CHANGE_MODE_P.
Document CANNOT_CHANGE_MODE_CLASS.
* reload.c (push_reload): Use CANNOT_CHANGE_MODE_CLASS.
(push_reload): Same.
* simplify-rtx.c (simplify_subreg): Same.
* reload1.c (choose_reload_regs): Same.
* recog.c (register_operand): Same.
* regrename.c (mode_change_ok): Change to use new
CANNOT_CHANGE_MODE_CLASS infrastructure.
* regclass.c (cannot_change_mode_set_regs): New.
Declare subregs_of_mode.
(regclass): Use subregs_of_mode.
Remove references to reg_changes_mode.
(init_reg_sets_1): Remove class_can_change_mode and
reg_changes_mode code.
(invalid_mode_change_p): New.
(dump_regclass): Use invalid_mode_change_p instead of
class_can_change_mode.
(regclass): Same.
(record_operand_costs): Do not set reg_changes_mode.
* local-alloc.c (struct qty): Remove changes_mode field.
(alloc_qty): Remove changes_mode initialization.
(update_qty_class): Remove set of changes_mode.
(find_free_reg): Use subregs_of_mode.
* global.c (find_reg): Use subregs_of_mode info.
* rtl.h (cannot_change_mode_set_regs): New prototype.
(invalid_mode_change_p): Same.
(REG_CANNOT_CHANGE_MODE_P): New macro.
* flow.c (mark_used_regs): Calculate subregs_of_mode. Remove
REG_CHANGES_MODE.
(life_analysis): Clear subregs_of_mode.
* combine.c (subst): Pass class to CLASS_CANNOT_CHANGE_MODE_P.
Remove use of CLASS_CANNOT_CHANGE_MODE.
(simplify_set): Same.
(gen_lowpart_for_combine): Calculate subregs_of_mode. Remove
REG_CHANGES_MODE.
* regs.h: Add extern for subregs_of_mode;
Include hard-reg-set and basic-block.
(REG_CHANGES_MODE): Delete.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@58794 138bc75d-0d04-0410-961f-82ee72b054a4
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* i386.md (movsf*, movdf*): Use 'C' instead of 'H'
* md.texi (machine dependent constraints): Document 'C'
* simplify-rtx.c (simplify_subreg): Fix const_int->vector subregging.
* i386.c (ix86_expand_vector_move): Fix.
* i386.c (ix86_expand_builtin): Use sse2_maskmovdqu_rex64.
* i386.md (sse2_maskmovdqu_rex64): New pattern
PR target/8322
* xmmintrin.h (_mm_stream_pi, _mm_stream_pd): Fix cast.
(ix86_init_mmx_sse_builtins): Fix type.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@58631 138bc75d-0d04-0410-961f-82ee72b054a4
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* gcse.c (adjust_libcall_notes): Revert last change.
* simplify-rtx.c (simplify_replace_rtx): Handle LO_SUM.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@58130 138bc75d-0d04-0410-961f-82ee72b054a4
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* simplify-rtx.c (avoid_constant_pool_reference): Allow constant
pool references that are constructed using LO_SUM.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@57942 138bc75d-0d04-0410-961f-82ee72b054a4
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* rtl.def: Likewise.
* sbitmap.c: Likewise.
* sched-int.h: Likewise.
* sched-rgn.c: Likewise.
* sibcall.c: Likewise.
* simplify-rtx.c: Likewise.
* ssa.c: Likewise.
* stab.def: Likewise.
* stmt.c: Likewise.
* stor-layout.c: Likewise.
* target.h: Likewise.
* timevar.c: Likewise.
* toplev.c: Likewise.
* tree-dump.c: Likewise.
* tree-inline.c: Likewise.
* tree.c: Likewise.
* tree.def: Likewise.
* tree.h: Likewise.
* unroll.c: Likewise.
* varasm.c: Likewise.
* vmsdbgout.c: Likewise.
* treelang/treelang.texi: Likewise.
* treelang/treetree.c: Likewise.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@57587 138bc75d-0d04-0410-961f-82ee72b054a4
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(real_arithmetic): Call it.
* simplify-rtx.c (simplify_unary_operation): Handle FIX
with a floating-point result mode.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@57223 138bc75d-0d04-0410-961f-82ee72b054a4
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* real.c, real.h: Rewrite from scratch.
* Makefile.in (simplify-rtx.o): Depend on TREE_H.
(paranoia): New target.
* builtins.c (fold_builtin_inf): Use new real.h interface.
* c-common.c (builtin_define_with_hex_fp_value): Likewise.
* c-lex.c (interpret_float): Likewise.
* emit-rtl.c (gen_lowpart_common): Likewise.
* optabs.c (expand_float): Use real_2expN.
* config/ia64/ia64.md (divsi3, udivsi3): Likewise.
* defaults.h (INTEL_EXTENDED_IEEE_FORMAT): New.
(FLOAT_WORDS_BIG_ENDIAN): New.
* cse.c (find_comparison_args): Don't pass FLOAT_STORE_FLAG_VALUE
directly to REAL_VALUE_NEGATIVE.
* loop.c (canonicalize_condition): Likewise.
* simplify-rtx.c: Include tree.h.
(simplify_unary_operation): Don't handle FIX and UNSIGNED_FIX
with floating-point result modes.
* toplev.c (backend_init): Call init_real_once.
* fold-const.c (force_fit_type): Don't call CHECK_FLOAT_VALUE.
* tree.c (build_real): Likewise.
* config/alpha/alpha.c, config/vax/vax.c (float_strings,
float_values, inited_float_values, check_float_value): Remove.
* config/alpha/alpha.h, config/m68hc11/m68hc11.h,
config/m88k/m88k.h, config/vax/vax.h (CHECK_FLOAT_VALUE): Remove.
* doc/tm.texi (CHECK_FLOAT_VALUE): Remove.
gcc/f/
* target.c (ffetarget_real1): Don't pass FFETARGET_ATOF_
directly to ffetarget_make_real1.
(ffetarget_real2): Similarly.
* target.h (ffetarget_cvt_r1_to_rv_, ffetarget_cvt_rv_to_r2_,
ffetarget_cvt_r2_to_rv_): Use new real.h interface and simplify.
gcc/java/
* jcf-parse.c (get_constant): Runtime check for IEEE format;
use new real.h interface.
* jcf-write.c (find_constant_index): Use new real.h interface.
* lex.c (IS_ZERO): Use REAL_VALUES_EQUAL.
contrib/
* paranoia.cc: New file.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@57198 138bc75d-0d04-0410-961f-82ee72b054a4
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* ChangeLog.0: Likewise.
* ChangeLog.1: Likewise.
* ChangeLog.2: Likewise.
* ChangeLog.4: Likewise.
* ChangeLog.6: Likewise.
* config.gcc: Likewise.
* dwarfout.c: Likewise.
* reload1.c: Likewise.
* simplify-rtx.c: Likewise.
* unwind-sjlj.c: Likewise.
* config/avr/avr.h: Likewise.
* config/d30v/d30v.h: Likewise.
* config/frv/frv.c: Likewise.
* config/frv/frv.h: Likewise.
* config/ip2k/ip2k.h: Likewise.
* config/m88k/m88k-move.sh: Likewise.
* config/stormy16/stormy16.c: Likewise.
* config/stormy16/stormy16.h: Likewise.
* doc/extend.texi: Likewise.
* doc/interface.texi: Likewise.
* doc/invoke.texi: Likewise.
* doc/md.texi: Likewise.
* doc/rtl.texi: Likewise.
* doc/tm.texi: Likewise.
* doc/trouble.texi: Likewise.
* ginclude/float.h: Likewise.
* treelang/treelang.texi: Likewise.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@57179 138bc75d-0d04-0410-961f-82ee72b054a4
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* simplify-rtx.c (simplify_binary_operation): x * 1 is allowed
when not honoring signalling NaNs.
(simplify_ternary_operation): a == b has a definite value
when not honoring NaNs.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@55980 138bc75d-0d04-0410-961f-82ee72b054a4
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* optabs.c (expand_binop): Make variable unsigned.
* simplify-rtx.c (simplify_subreg): Likewise.
* unroll.c (unroll_loop): Cast to avoid signed/unsigned warnings.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@55960 138bc75d-0d04-0410-961f-82ee72b054a4
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* flags.h [flag_signaling_nans]: New flag.
[HONOR_SNANS]: New macro.
* toplev.c [flag_signaling_nans]: Initialize to false.
(f_options): Add processing for "-fsignaling-nans".
(set_fast_math_flags): Clear flag_signaling_nans with -ffast-math.
(process_options): flag_signaling_nans implies flag_trapping_math.
* c-common.c (cb_register_builtins): Define __SUPPORT_SNAN__
when -fsignaling-nans. First step to implementing WG14's N965.
* fold-const.c (fold) [MULT_EXPR]: Conditionalize transforming
1.0 * x into x, and -1.0 * x into -x on !HONOR_SNANS.
[RDIV_EXPR]: Conditionalize x/1.0 into x on !HONOR_SNANS.
* simplify-rtx.c (simplify_relational_operation): Conditionalize
transforming abs(x) < 0.0 into false on !HONOR_SNANS.
* rtlanal.c: #include real.c for TARGET_FLOAT_FORMAT definitions
required by HONOR_SNANS. (may_trap_p): Floating point DIV, MOD,
UDIV, UMOD, GE, GT, LE, LT and COMPARE may always trap with
-fsignaling_nans. EQ and NE only trap for flag_signaling_nans
not flag_trapping_math (i.e. HONOR_SNANS but not HONOR_NANS).
* doc/invoke.texi: Document new -fsignaling-nans compiler option.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@55804 138bc75d-0d04-0410-961f-82ee72b054a4
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int_mode_for_mode.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@55745 138bc75d-0d04-0410-961f-82ee72b054a4
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* reload.c (find_reloads_toplev): Use simplify_gen_subreg.
* simplify-rtx.c (simplify_subreg): When converting to a non-int
mode, try to convert to an integer mode of matching size first.
gcc/testsuite:
* gcc.c-torture/compile/simd-4.c: New test.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@55687 138bc75d-0d04-0410-961f-82ee72b054a4
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from individual subregs, check that each subreg has been generated
sucessfully.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@55686 138bc75d-0d04-0410-961f-82ee72b054a4
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* function.c (SYMBOL__MAIN): Remove definition.
* global.c (SET_CONFLICT, REGBITP, ALLOCNO_LIVE_P): Remove.
* predict.c (PROB_NEVER, PROB_LIKELY, PROB_UNLIKELY): Remove.
* profile.c (GCOV_INDEX_TO_BB): Remove.
* sched-rgn.c (ABS_VALUE, MIN_DIFF_PRIORITY, MIN_PROB_DIFF): Remove.
* simplify-rtx.c (FIXED_BASE_PLUS_P): Remove.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@55631 138bc75d-0d04-0410-961f-82ee72b054a4
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abs(x) < 0.0 (and abs(x) >= 0.0 when using -ffast-math).
* gcc.c-torture/execute/20020720-1.c: New test case.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@55614 138bc75d-0d04-0410-961f-82ee72b054a4
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Thu Jul 11 15:39:21 2002 J"orn Rennecke <joern.rennecke@superh.com>
* simplify-rtx.c (simplify_subreg): Handle floating point
CONST_DOUBLEs. When an integer subreg of a smaller mode than
the element mode is requested, compute a subreg with an
integer mode of the same size as the element mode first.
testsuite:
Thu Jul 11 15:39:21 2002 J"orn Rennecke <joern.rennecke@superh.com>
Andrew Pinski <pinskia@physics.uc.edu>
gcc.c-torture/compile/simd-2.c: New testcase.
gcc.c-torture/compile/simd-3.c: Likewise.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@55410 138bc75d-0d04-0410-961f-82ee72b054a4
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* simplify-rtx.c (simplify_subreg): Reduce problem of finding
vector mode subregs of constants to finding integer mode
subregs of constants.
* cse.c (cse_insn): Use simplify_gen_subreg.
* convert.c (convert_to_integer): Don't strip a NOP_EXPR
From a vector mode expression of different size than the
target mode.
gcc/testsuite:
* gcc.c-torture/compile/simd-3.c: New test.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@55234 138bc75d-0d04-0410-961f-82ee72b054a4
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* optabs.c (expand_vector_binop): Don't store using a SUBREG smaller
than UNITS_PER_WORD, unless this is little endian and the first unit
in this word. Let extract_bit_field decide how to load an element.
Force arguments to matching mode.
(expand_vector_unop): Likewise.
* simplify-rtx.c (simplify_subreg): Don't assume that all vectors
consist of word_mode elements.
* c-typeck.c (build_binary_op): Allow vector types for BIT_AND_EXPR,
BIT_ANDTC_EXPR, BIT_IOR_EXPR and BIT_XOR_EXPR.
(build_unary_op): Allow vector types for BIT_NOT_EPR.
* emit-rtl.c (gen_lowpart_common): Use simplify_gen_subreg for
CONST_VECTOR.
* optabs.c (expand_vector_binop): Try to perform operation in
smaller vector modes with same inner size. Add handling of AND, IOR
and XOR. Reject expansion to inner-mode sized scalars when using
OPTAB_DIRECT. Use simplify_gen_subreg on constants.
(expand_vector_unop): Try to perform operation in smaller vector
modes with same inner size. Add handling of one's complement.
When there is no vector negate operation, try a vector subtract
operation. Use simplify_gen_subreg on constants.
* simplify-rtx.c (simplify_subreg): Add capability to convert vector
constants into smaller vectors with same inner mode, and to
integer CONST_DOUBLEs.
gcc/testsuite:
* gcc.c-torture/execute/simd-1.c (main): Also test &, |, ^, ~.
* gcc.c-torture/execute/simd-2.c (main): Likewise.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@55209 138bc75d-0d04-0410-961f-82ee72b054a4
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* gcc.c-torture/execute/simd-1.c: New.
* gcc.dg/simd-1.c: New.
* doc/extend.texi (Vector Extensions): Document that we can
specify simd types not specifically supported by the hardware.
Document that simd types can be used as function arguments.
Document that signness does make a difference in SIMD types.
Misc cleanups and revisions to the "vector extensions" section.
* simplify-rtx.c (simplify_subreg): Simplify subregs of vector
constants.
* expr.c (vector_mode_valid_p): New.
* expr.h: Add vector_mode_valid_p.
* defaults.h (VECTOR_MODE_SUPPORTED_P): Set default.
* emit-rtl.c (immed_double_const): Do not abort on vectors.
* c-common.c (type_for_mode): Always build vector nodes regardless
of VECTOR_MODE_SUPPORTED_P.
(handle_mode_attribute): Error if we can't emulate a nonexisting
vector mode.
(handle_vector_size_attribute): Same.
* optabs.c (expand_binop): Open-code vector operations.
(expand_unop): Open-code vector unops.
(expand_vector_binop): New.
(expand_vector_unop): New.
* c-typeck.c (build_binary_op): Allow vectors in binops.
Allow vectors in conditional operatiors.
(build_unary_op): Allow vectors in unary minus.
* config/rs6000/rs6000.h (ALTIVEC_VECTOR_MODE): Conditionalize on
TARGET_ALTIVEC.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@54727 138bc75d-0d04-0410-961f-82ee72b054a4
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of matching registers.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@54476 138bc75d-0d04-0410-961f-82ee72b054a4
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(ne (comp x y) 0) into (comp x y) where comp is a comparison code.
Simplify (eq (comp x y) 0) into (revcomp x y) if the sense of the
comparison code comp can be reversed.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@54357 138bc75d-0d04-0410-961f-82ee72b054a4
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(cond (compare x y) 0) into the equivalent (cond x y).
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@53870 138bc75d-0d04-0410-961f-82ee72b054a4
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* scan.c: Likewise.
* scan-decls.c: Likewise.
* sched-deps.c: Likewise.
* sched-ebb.c: Likewise.
* sched-rgn.c: Likewise.
* sched-vis.c: Likewise.
* sdbout.c: Likewise.
* sibcall.c: Likewise.
* simplify-rtx.c: Likewise.
* ssa.c: Likewise.
* ssa-ccp.c: Likewise.
* ssa-dce.c: Likewise.
* stmt.c: Likewise.
* stor-layout.c: Likewise.
* stringpool.c: Likewise.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@53324 138bc75d-0d04-0410-961f-82ee72b054a4
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* function.c: Likewise.
* integrate.c: Likewise.
* regrename.c: Likewise.
* sibcall.c: Likewise.
* simplify-rtx.c: Likewise.
* tree-inline.c: Likewise.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@52972 138bc75d-0d04-0410-961f-82ee72b054a4
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float_handled, float_handler, float_signal, set_float_handler,
and do_float_handler. Set handler for SIGFPE to crash_signal.
* toplev.h: Don't prototype do_float_handler.
* c-lex.c: Fold parse_float into lex_number. Make warning
about portability of hex float constants more informative, and
don't issue it on top of a syntax error.
* fold-const.c: Fold const_binop_1 and fold_convert_1 into
their callers.
* real.h: Define REAL_VALUE_ABS here...
* simplify-rtx.c: ... not here. Fold check_fold_consts,
simplify_unary_real, simplify_binary_real, and
simplify_binary_is2orm1 into their callers.
* tree.c: Fold build_real_from_int_cst_1 into caller.
* doc/tm.texi: Document REAL_VALUE_ABS and REAL_VALUE_NEGATIVE.
* tsystem.h: Include float.h here...
* libgcc2.c: ... not here.
java:
* lex.c: Change java_perform_atof to take normal parameters
instead of a pointer to a parameter block. Call it directly
from java_lex.
testsuite:
* gcc.dg/c90-hexfloat-1.c: Adjust error regexps.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@51336 138bc75d-0d04-0410-961f-82ee72b054a4
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Always make REAL_VALUE_TYPE a struct containing an array of
HOST_WIDE_INT, not a double. Tidy up the code deciding how
big it is. Don't declare or use union real_extract.
* emit-rtl.c (init_emit_once), varasm.c (immed_real_const_1,
decode_rtx_const, output_constant_pool), config/a29k/a29k.c
(print_operand), config/arm/arm.c (output_move_double),
config/arm/arm.md (consttable_4, consttable_8),
config/romp/romp.c (output_fpops), config/s390/s390.h
(ASM_OUTPUT_SPECIAL_POOL_ENTRY), config/xtensa/xtensa.c
(xtensa_output_literal): Don't use union real_extract.
* config/dsp16xx/dsp16xx.c (print_operand), config/i860/i860.c
(sfmode_constant_to_ulong), config/ns32k/merlin.h
(PRINT_OPERAND), config/ns32k/ns32k.c (print_operand),
config/pdp11/pdp11.h (PRINT_OPERAND), config/we32k/we32k.h
(PRINT_OPERAND): Don't use local version of union
real_extract.
* config/convex/convex.c (check_float_value), config/vax/vax.c
(vax_float_literal), config/m88k/m88k.md (divdf3),
config/dsp16xx/dsp16xx.md (fixuns_trunchfhi2),
config/pdp11/pdp11.c (output_move_quad): Don't do host
arithmetic on target floating point quantities.
* config/a29k/a29k.md, config/dsp16xx/dsp16xx.c
(output_dsp16xx_float_const): Don't test HOST_FLOAT_FORMAT.
* fold-const.c (fold), simplify-rtx.c (simplify_binary_real):
Use MODE_HAS_INFINITIES rather than #ifdef REAL_INFINITY.
* real.c (earith): Test INFINITY rather than REAL_INFINITY;
NANS implies INFINITY, so can drop #ifdef NANS inside #ifndef
INFINITY.
* print-rtl.c (print_rtx): Disable code which needs
floating-point emulator.
* libgcc2.c: Include float.h and use DBL_MANT_DIG,
FLT_MANT_DIG, to define DF_SIZE and SF_SIZE, rather than
depending on HOST_FLOAT_FORMAT to be defined properly.
* ch/grant.c, cp/error.c: Always use REAL_VALUE_TO_DECIMAL;
don't test REAL_IS_NOT_DOUBLE.
* config/1750a/1750a.c (get_double, float_label): Delete.
(print_operand): Delete huge commented-out chunk. Use
REAL_VALUE_TO_DECIMAL.
* config/1750a/1750a-protos.h: Delete prototypes of deleted
functions.
* config/convex/convex.h: Always set TARGET_FLOAT_FORMAT to
IEEE_FLOAT_FORMAT.
* config/i370/i370.h (PRINT_OPERAND [TARGET_HLASM version]):
Use REAL_VALUE_TO_DECIMAL as ELF version does.
* config/m88k/m88k.c (real_power_of_2_operand,
legitimize_operand): Take the REAL_VALUE_TYPE and/or union
real_extract out of the union; run the input through
REAL_VALUE_TO_TARGET_DOUBLE, then plug the pair of longwords
from that into the union.
* config/pdp11/pdp11.c (output_move_double): Rearrange
parentheses to make automatic indenter happy.
* doc/tm.texi (Cross-compilation): Rename node to "Floating
Point" and rewrite to describe current situation. Also adjust
documentation of REAL_VALUE_TO_TARGET_SINGLE and friends to
match code.
* doc/rtl.texi: Adjust cross reference.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@51210 138bc75d-0d04-0410-961f-82ee72b054a4
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* rtl.h: Prototype for it.
* combine.c (make_extraction, simplify_comparison), expmed.c
(store_bit_field, expand_mult_highpart, expand_divmod), expr.c
(convert_modes, store_field), optabs.c (expand_fix),
simplify-rtx.c (neg_const_int, simplify_unary_real),
* config/rs6000/rs6000.c, config/rs6000/rs6000.md:
Use it instead of GEN_INT (trunc_int_for_mode (...)).
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@51030 138bc75d-0d04-0410-961f-82ee72b054a4
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git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@50404 138bc75d-0d04-0410-961f-82ee72b054a4
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(MODE_HAS_SIGNED_ZEROS, MODE_HAS_SIGN_DEPENDENT_ROUNDING): New.
* flags.h (HONOR_NANS, HONOR_INFINITIES, HONOR_SIGNED_ZEROS): New.
(HONOR_SIGN_DEPENDENT_ROUNDING): New.
* builtins.c (expand_builtin_mathfn): Use HONOR_NANS.
* c-common.c (truthvalue_conversion): Reduce x - y != 0 to x != y
unless x and y could be infinite.
(expand_unordered_cmp): New, mostly split from expand_tree_builtin.
Check that the common type of both arguments is a real, even for
targets without unordered comparisons. Allow an integer argument
to be compared against a real.
(expand_tree_builtin): Use expand_unordered_cmp.
* combine.c (combine_simplify_rtx): Use the new HONOR_... macros.
* cse.c (fold_rtx): Likewise. Fix indentation.
* fold-const.c (fold_real_zero_addition_p): New.
(fold): Use it, and the new HONOR_... macros.
* ifcvt.c (noce_try_minmax): Use the new HONOR_... macros.
* jump.c (reversed_comparison_code_parts): After searching for
the true comparison mode, use HONOR_NANS to decide whether it
can be safely reversed.
(reverse_condition_maybe_unordered): Remove IEEE check.
* simplify-rtx.c (simplify_binary_operation): Use the new macros
to decide which simplifications are valid. Allow the following
simplifications for IEEE: (-a + b) to (b - a), (a + -b) to (a - b),
and (a - -b) to (a + b).
(simplify_relational_operation): Use HONOR_NANS.
* doc/tm.texi: Document the MODE_HAS_... macros.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@50401 138bc75d-0d04-0410-961f-82ee72b054a4
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* simplify-rtx.c (simplify_plus_minus): Do not abort,
but simply fail if the expression is too complex to simplify.
(simplify_gen_binary): Handle simplify_plus_minus failures.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@50380 138bc75d-0d04-0410-961f-82ee72b054a4
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print-tree.c, real.c, real.h, recog.c, rtl.c, simplify-rtx.c,
tree.c, config/m68k/m68k.c, f/com.c, f/target.h, java/expr.c,
java/jcf-parse.c, java/lex.c:
Remove all #ifndef REAL_ARITHMETIC blocks, make all #ifdef
REAL_ARITHMETIC blocks unconditional. Delete some further
#ifdef blocks predicated on REAL_ARITHMETIC.
* flags.h, toplev.c: Delete remaining references to
flag_pretend_float.
* doc/invoke.texi: Remove documentation of -fpretend-float.
* doc/tm.texi: Describe the various REAL_* macros as provided by
real.h, not by the target configuration files.
* config/alpha/alpha.h, config/alpha/unicosmk.h, config/arm/arm.h,
config/avr/avr.h, config/c4x/c4x.h, config/convex/convex.h,
config/cris/cris.h, config/d30v/d30v.h, config/dsp16xx/dsp16xx.h,
config/h8300/h8300.h, config/i370/i370.h, config/i386/i386.h,
config/i386/osf1elf.h, config/i960/i960.h, config/ia64/ia64.h,
config/m32r/m32r.h, config/m68hc11/m68hc11.h, config/m68k/dpx2.h,
config/m68k/linux-aout.h, config/m68k/linux.h, config/m68k/m68k.h,
config/m68k/sun3.h, config/m68k/vxm68k.h, config/mcore/mcore.h,
config/mips/mips.h, config/mmix/mmix.h, config/mn10200/mn10200.h,
config/mn10300/mn10300.h, config/pa/pa.h, config/pj/pj.h,
config/rs6000/rs6000.h, config/s390/s390.h, config/sh/sh.h,
config/sparc/freebsd.h, config/sparc/linux.h, config/sparc/linux64.h,
config/sparc/sol2.h, config/sparc/sparc.h, config/sparc/vxsim.h,
config/stormy16/stormy16.h, config/v850/v850.h, config/vax/vax.h,
config/xtensa/xtensa.h:
Do not define, undefine, or mention in comments any of
REAL_ARITHMETIC, REAL_VALUE_ATOF, REAL_VALUE_HTOF,
REAL_VALUE_ISNAN, REAL_VALUE_ISINF,
REAL_VALUE_TO_TARGET_SINGLE, REAL_VALUE_TO_TARGET_DOUBLE,
REAL_VALUE_TO_TARGET_LONG_DOUBLE, REAL_VALUE_TO_DECIMAL,
REAL_VALUE_TYPE, REAL_VALUES_EQUAL, REAL_VALUES_LESS,
REAL_VALUE_LDEXP, REAL_VALUE_FIX, REAL_VALUE_UNSIGNED_FIX,
REAL_VALUE_RNDZINT, REAL_VALUE_UNSIGNED_RNDZINT,
REAL_INFINITY, REAL_VALUE_NEGATE, REAL_VALUE_TRUNCATE,
REAL_VALUE_TO_INT, or REAL_VALUE_FROM_INT.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@50263 138bc75d-0d04-0410-961f-82ee72b054a4
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than gen_rtx_PLUS to form the sum.
* explow.c (force_reg): Rearrange to not allocate new pseudo
when force_operand returns a register.
* expr.c (expand_assignment): Allow offset_rtx expansion to
return a sum. Do not force addresses into registers.
(expand_expr): Likewise.
* simplify-rtx.c (simplify_gen_binary): Use simplify_plus_minus
to canonicalize arithmetic that didn't simpify.
(simplify_plus_minus): New argument force; update
all callers. Don't split CONST unless we can do something with it,
and wouldn't lose the constness of the operands.
* config/i386/i386.c (legitimize_pic_address): Recognize UNSPECs
that we generated earlier.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@49945 138bc75d-0d04-0410-961f-82ee72b054a4
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CONST_INTs, and reject them in SUBREGs and ZERO_EXTENDs.
(subst): Simplify SUBREG or ZERO_EXTEND instead of SUBSTing a
CONST_INT into its operand.
(known_cond): Likewise, for ZERO_EXTEND.
* simplify-rtx.c (simplify_unary_operation): Fix condition to
allow for simplification of wide modes. Reject CONST_INTs in
ZERO_EXTEND when their actual mode is not given.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@49920 138bc75d-0d04-0410-961f-82ee72b054a4
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* config/i386/xmmintrin.h: New file.
* config.gcc (i?86-*-*): Add extra_headers.
* simplify-rtx.c (simplify_unary_operation): Handle saturating
truncation codes.
(simplify_binary_operation): Handle saturating arithmetic codes.
* config/i386/i386.c (ix86_expand_sse_comi): Return the full result,
not the lowpart subreg.
(ix86_expand_builtin): Return a TImode dummy register instead of 0
on error.
* config/i386/i386.md (mmx_clrdi): Override memory attribute.
* gcc.dg/i386-mmx-1.c, gcc.dg/i386-mmx-2.c: New.
* gcc.dg/i386-sse-1.c, gcc.dg/i386-sse-2.c, gcc.dg/i386-sse-1.c: New.
CVs: ----------------------------------------------------------------------
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@48793 138bc75d-0d04-0410-961f-82ee72b054a4
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Don't allow -1 - x -> ~x simplifications in the first pass.
* gcc.c-torture/execute/20020107-1.c: New test.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@48614 138bc75d-0d04-0410-961f-82ee72b054a4
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gen_lowpart_common fails, use gen_lowpart_SUBREG.
* gcc.c-torture/compile/20020103-1.c: New test.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@48514 138bc75d-0d04-0410-961f-82ee72b054a4
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* flags.h: Likewise.
* flow.c: Likewise.
* predict.c: Likewise.
* simplify-rtx.c: Likewise.
* system.h: Likewise.
* vmsdbg.h: Likewise.
* vmsdbgout.c: Likewise.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@48349 138bc75d-0d04-0410-961f-82ee72b054a4
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narrower mode than op0, only return the bits in DIV's mode.
* gcc.c-torture/compile/20011219-2.c: New test.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@48199 138bc75d-0d04-0410-961f-82ee72b054a4
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instead of plus_constant.
* simplify-rtx.c (neg_const_int): New.
(simplify_gen_binary, simplify_plus_minus): Use it.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@47961 138bc75d-0d04-0410-961f-82ee72b054a4
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* final.c (walk_alter_subreg): Take pointer; update call of alter_subreg.
(final_scan_insn): Update call of alter_subreg.
(cleanup_subreg_operands): Likewise.
(alter_subreg): Rewrite using simplify_subreg.
(output_address, output_operand): Update call of alter_subreg.
* output.h (alter_subreg): Update prototype.
* sdbout.c (sdbout_symbol): Update call of alter_subreg.
* simplify-rtx.c (simplify_subreg): Copy ORIGINAL_REGNO.
* Makefile.in (final.o): Add depdendancy on expr.h
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@47013 138bc75d-0d04-0410-961f-82ee72b054a4
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FSFChangeLog.11, c-common.c, c-common.def, c-common.h, c-decl.c,
c-dump.c, c-typeck.c, except.c, sdbout.c, simplify-rtx.c,
timevar.h, tree.h, varasm.c: Fix spelling errors and typos.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@46621 138bc75d-0d04-0410-961f-82ee72b054a4
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field is different to previous argument's neg field.
* gcc.c-torture/execute/20011019-1.c: New test.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@46356 138bc75d-0d04-0410-961f-82ee72b054a4
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* alias.c: Remove uses of "register" specifier in declarations
of arguments and local variables.
* c-common.c: Ditto.
* c-convert.c: Ditto.
* c-decl.c: Ditto.
* c-format.c: Ditto.
* c-semantics.c: Ditto.
* c-typeck.c: Ditto.
* caller-save.c: Ditto.
* calls.c: Ditto.
* cfg.c: Ditto.
* cfgbuild.c: Ditto.
* cfgrtl.c: Ditto.
* collect2.c: Ditto.
* combine.c: Ditto.
* convert.c: Ditto.
* cppexp.c: Ditto.
* cppfiles.c: Ditto.
* cse.c: Ditto.
* dbxout.c: Ditto.
* defaults.h: Ditto.
* df.c: Ditto.
* dwarf2out.c: Ditto.
* dwarfout.c: Ditto.
* emit-rtl.c: Ditto.
* explow.c: Ditto.
* expmed.c: Ditto.
* expr.c: Ditto.
* final.c: Ditto.
* fix-header.c: Ditto.
* floatlib.c: Ditto.
* flow.c: Ditto.
* fold-const.c: Ditto.
* function.c: Ditto.
* gcc.c: Ditto.
* gcse.c: Ditto.
* gen-protos.c: Ditto.
* genattrtab.c: Ditto.
* gencheck.c: Ditto.
* genconfig.c: Ditto.
* genemit.c: Ditto.
* genextract.c: Ditto.
* genflags.c: Ditto.
* gengenrtl.c: Ditto.
* genoutput.c: Ditto.
* genpeep.c: Ditto.
* genrecog.c: Ditto.
* gensupport.c: Ditto.
* global.c: Ditto.
* gmon.c: Ditto.
* graph.c: Ditto.
* haifa-sched.c: Ditto.
* hard-reg-set.h: Ditto.
* hash.c: Ditto.
* integrate.c: Ditto.
* jump.c: Ditto.
* lists.c: Ditto.
* local-alloc.c: Ditto.
* loop.c: Ditto.
* mips-tdump.c: Ditto.
* mips-tfile.c: Ditto.
* optabs.c: Ditto.
* prefix.c: Ditto.
* print-rtl.c: Ditto.
* read-rtl.c: Ditto.
* real.c: Ditto.
* recog.c: Ditto.
* reg-stack.c: Ditto.
* regclass.c: Ditto.
* regmove.c: Ditto.
* reload.c: Ditto.
* reload1.c: Ditto.
* reorg.c: Ditto.
* resource.c: Ditto.
* rtl.c: Ditto.
* rtlanal.c: Ditto.
* scan.c: Ditto.
* sched-deps.c: Ditto.
* sched-rgn.c: Ditto.
* sdbout.c: Ditto.
* simplify-rtx.c: Ditto.
* stmt.c: Ditto.
* stor-layout.c: Ditto.
* toplev.c: Ditto.
* tradcif.y: Ditto.
* tradcpp.c: Ditto.
* tree.c: Ditto.
* unroll.c: Ditto.
* varasm.c: Ditto.
* xcoffout.c: Ditto.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@46173 138bc75d-0d04-0410-961f-82ee72b054a4
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(express_from_1): Wrap lines.
* rtlanal.c (commutative_operand_precedence): Rename from
operand_preference; export.
* rtl.h: Declare it.
* simplify-rtx.c (simplify_gen_binary): Tidy +/- const_int handling.
(simplify_binary_operation): Invoke simplify_plus_minus on
(CONST (PLUS ...)) as well.
(struct simplify_plus_minus_op_data): New.
(simplify_plus_minus_op_data_cmp): New.
(simplify_plus_minus): Use them. Avoid infinite recursion with
simplify_binary_operation wrt CONST.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@45473 138bc75d-0d04-0410-961f-82ee72b054a4
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git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@45456 138bc75d-0d04-0410-961f-82ee72b054a4
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of CONST.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@45447 138bc75d-0d04-0410-961f-82ee72b054a4
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