* expmed.c (expand_mult_highpart_optab): When attempting to use
a non-widening multiplication in a wider mode, the operands need
to be converted (zero or sign extended) to that mode.
From-SVN: r94383
PR middle-end/16558
PR middle-end/19583
* gimple-low.c (block_may_fallthru): TRY_FINALLY_EXPR only falls
through if both operands fall through.
From-SVN: r94381
* cse.c (cse_reg_info_free_list, cse_reg_info_used_list,
cse_reg_info_used_list_end): Remove.
(cse_reg_info_list, cse_reg_info_list_free): New.
(get_cse_reg_info): When allocating an instance of
cse_reg_info, add it to the beginning of the cse_reg_info_list
list. Remove code to maintain cse_reg_info_used_list.
(new_basic_block): Reset the free list to the beginning of
cse_reg_info_list.
From-SVN: r94375
* config/frv/frv.c (bdesc_2arg): Remove __MDPACKH.
(frv_init_builtins): Change its prototype to take 4 uhalf arguments.
(frv_expand_mdpackh_builtin): New function.
(frv_expand_builtin): Use it to expand __MDPACKH.
* config/frv/media.h (__MDPACKH): Update prototype.
* doc/extend.texi (__MDPACKH): Update documentation.
From-SVN: r94371
2005-01-28 Paolo Carlini <pcarlini@suse.de>
* include/tr1/type_traits: Implement is_abstract, by exploiting the
resolution of DR core/337.
* testsuite/testsuite_tr1.h: Add AbstractClass.
* testsuite/tr1/4_metaprogramming/type_properties/is_abstract/
is_abstract.cc: New.
* testsuite/tr1/4_metaprogramming/type_properties/is_abstract/
typedefs.cc: Likewise.
* include/tr1/type_traits (is_function): Rewrite, use the conversion
F& -> F* instead, thus avoiding problems with abstract classes.
* testsuite/tr1/4_metaprogramming/primary_type_categories/
is_function/is_function.cc: Add a test for tricky AbstractClass.
From-SVN: r94370
* cse.c: (find_best_addr): Don't call copy_rtx before calling
fold_rtx. Save cost recomputation if fold_rtx did nothing.
(fold_rtx) <ASM_OPERANDS>: Don't do anything if INSN is
NULL_RTX.
Co-Authored-By: Kazu Hirata <kazu@cs.umass.edu>
From-SVN: r94345
* tree-into-ssa.c (ssa_rewrite_initialize_block): Do not register
definitions of SSA_NAMEs which are not being rewritten.
(rewrite_ssa_into_ssa): Only initialize the current definition
of an SSA_NAME if that SSA_NAME has been marked for rewriting.
If checking is enabled, assert that SSA_NAME_AUX is clear for all
SSA_NAMEs before returning.
From-SVN: r94343
* gcc.dg/mips-nmadd-1.c, gcc.dg/mips-nmadd-2.c, gcc.dg/mips-rsqrt-1.c,
* gcc.dg/mips-rsqrt-2, gcc.dg/mips-rsqrt-3.c: Add dummy asm statements
to cope with cases where the multilib options override the dg-options.
From-SVN: r94331
PR middle-end/17278
* opts.c (decode_options): Move flag_thread_jumps from -O1 and
higher to -O2 and higher. Likewise for tree PRE.
* tree-ssa-dom.c (tree_ssa_dominator_optimize): Only iterate at -O2
and better.
From-SVN: r94325
PR middle-end/19583
* gimple-low.c (try_catch_may_fallthru): New static function.
(block_may_fallthru): Handle TRY_CATCH_EXPR.
* tree-inline.c (expand_call_inline): Don't warn about reaching
the end of a non-void function being inlined if the function uses
a return slot.
From-SVN: r94323
PR tree-optimization/19633
* tree-ssa-alias.c (ptr_is_dereferenced_by): Also handle
CALL_EXPRs.
(maybe_create_global_var): Do not create .GLOBAL_VAR if there
are no call-clobbered variables.
* tree-outof-ssa.c (check_replaceable): Return false for calls
with side-effects.
testsuite/ChangeLog
PR tree-optimization/19633
* gcc.dg/pr19633.c: New test.
* gcc.dg/tree-ssa/pr19633.c: New test.
From-SVN: r94311
ChangeLog:
* dbxout.c (dbxout_symbol_location): Resolve constant pool references
even for variables with NULL DECL_INITIAL.
testsuite/ChangeLog:
* gcc.dg/20041216-1.c: New test.
From-SVN: r94303
* trans-decl.c (gfc_build_label_decl): Set DECL_ARTIFICAL and
TREE_USED for all labels.
(gfc_trans_entry_master_switch): Use it instead of building a
label by hand.
* trans-io.c (add_case): Likewise.
* trans-stmt.c (gfc_trans_integer_select): Likewise.
From-SVN: r94299
PR middle-end/18008
* c-decl.c (finish_struct): Set DECL_MODE after resetting a
field's type.
* expr.c (store_field): Strip conversions to odd-bit-sized types
if the destination field width matches.
From-SVN: r94294
PR middle-end/18008
* c-decl.c (finish_struct): Set DECL_MODE after resetting a
field's type.
* expmed.c (store_fixed_bit_field): Create a paradoxical subreg
if we don't need the bits above those present in the current mode.
* expr.c (store_field): Strip conversions to odd-bit-sized types
if the destination field width matches.
From-SVN: r94290
PR target/19293
PR target/19329
* config/avr/avr.c (notice_update_cc): Only set condition code for
ashrqi3 if shift count > 0.
(out_shift_with_cnt): Handle shift count <= 0 as a no-op.
(ashlqi3_out, ashlhi3_out, ashlsi3_out, ashrqi3_out, ashrhi3_out,
ashrsi3_out, lshrqi3_out, lshrhi3_out, lshrsi3_out): Handle shift
count <= 0 as a no-op, and shift count >= width by copying zero
or sign bit to all bits of the result.
* config/avr/avr.md (all shifts): Add alternatives for zero shift
count, with attribute "length" set to 0 and "cc" set to "none".
From-SVN: r94288
Paolo Carlini
Geoffrey Keating
Roger Sayle
Ian Lance Taylor
Kazu Hirata
Jeff Law
Steven Bosscher
Richard Sandiford
Richard Sandiford
Uros Bizjak
Steven Bosscher
Ralf Corsepius
Matt Austern
Richard Henderson
GCC Administrator
Arend Bayer
Eric Botcazou
Laurent GUERBY
Stuart Hastings
Ian Lance Taylor
Jakub Jelinek
Joel Sherrill
Alexandre Oliva
Alan Modra
Eric Botcazou
Diego Novillo
Ulrich Weigand
Stuart Hastings
Marek Michalkiewicz